We Make the Strongest Thin PCB in China

We are PCBMay, a competent PCB fabricator and global supplier. With our decade-long experience in the PCB industry, we are your best choice for Thin PCBs.

  • Your Thin PCB delivered on time, all the time
  • 100% Passing Rate for strict Quality Control
  • ISO-9001:2015, REACH, UL certificates
  • Manufacture PCBs with environmentally-safe materials
  • PCB Design & Reverse Engineering available
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PCBMay is the Expert Thin PCB Fabricator

Whenever you need any type of Thin PCB, Ultrathin PCB, or Flex PCB, you can count on PCBMay. We are the best supplier of this type of PCB, as we have perfected Thin PCB production over the years.

Aside from Thin PCBs, we also produce OEM, ODM, and EMS PCBs for your business. We have the total capacity to deliver any type of PCB, even if you place a large order.

Inquire with PCBMay now! We are sure to satisfy.

Types of Thin PCBFor Your Sophisticated PCB Needs

Custom Thin PCB

The need for Customized PCBs come with customers who use PCBMay’s products inside their end-products. With the use of our Custom Thin PCB, your business will get the benefit of high standards.

Ultra Thin PCB

PCBMay’s Ultrathin PCB is gaining applicability to advanced medical devices, IoT devices, and SIM cards. We plan very well to reduce noise and to maintain signal integrity with this complexly-made PCB.

Schematic Thin PCB

Meeting specific needs means designing a Schematic Thin PCB. PCBMay offers this service as well as a complete PCB design. We can use Eagle, Protel, or other software to finalize your product, then fabricate.

Thin LED PCB

The Thin LED PCB functions as a connection of all LED lighting elements in a device. It has the ability to adapt to bendable types of LED lighting. Aluminum is the base material.

Thin OEM PCB

The Thin OEM PCB is often a Custom PCB, ordered in large quantities. This type of PCB needs to pass strict QC standards, because the OEM PCBs are part of other devices sold.

Thin Flex PCB

For Thin Flex PCBs can be made for automotive applications as well as part of apparel (clothes or shoes).  IC chips are embedded into the PCB. Can withstand thousands of flex cycles.

We Produce the Thin PCB You Desire – PCBMay

Every customer of PCBMay is a priority. We want to show you our world-class facility to make sure you understand that your business means a lot to us. We take care of our customers by taking care of our facilities, as well as our Thin PCB production process.

We are on stand-by to help you with any PCB needs you require. Our plant makes a whole range of excellent PCBs.

Definitely, our Thin PCB is most excellent. Contact us now to purchase!

VPC Plating Line

Related Thin PCB

Digital PCB
Digital PCB
Powering e-commerce, Digital PCB are in high demand. This PCB has multiple applications in digital devices.
Eagle PCB
Eagle PCB
Our professional engineers can design Eagle PCB using the Eagle software, if this is your request.
IC Substrate
IC Substrate
An IC Substrate coats Integrated Chips to prolong the IC’s life. These are in our PCBs.
LED Strip PCB
LED Strip PCB
Many usages of the LED Strip PCB led to its mass manufacture. Long LED Strip available.
Medical PCB
Medical PCB
Our Medical PCB can be Multilayer PCBs. These products are bought by leading names in healthcare.
Mobile PCB
Mobile PCB
Just as what is called, Mobile PCBs are primarily used in mobile devices, best example: smartphones.
OLED PCB
OLED PCB
The OLED PCB is now used not just in TVs, but in Tablets and Smartphones too.
Sensor PCB
Sensor PCB
With the Sensor PCB, it is possible to monitor movement safely, with no human contact necessary.

Thin PCB Production Details As Following Up

Lamination
Brown Oxide
Etching
PTH Line
VCP Plating   AOI  Exposure E-Test
ItemCapability
Layer Count1-40layers
Base MaterialKBShengyiShengyiSF305FR408FR408HRIS410FR406GETEK370HRIT180ARogers4350BRogers4000PTFE Laminates(Rogers seriesTaconic seriesArlon seriesNelco series)Rogers/Taconic/Arlon/Nelco laminate with FR-4 material(including partial Ro4350B hybrid laminating with FR-4)
Board TypeBackplane、HDI、High multi-layer 、blind&buried PCB、Embedded Capacitance、Embedded resistance board 、Heavy copper power PCB、Backdrill.
Board Thickness0.2-5.0mm
Copper ThicknessMin. 1/2 OZ, Max. 10 OZ
PTH Wall25um(1mil)
Maximum Board Size1100*500mm(43”*19”)
Min laser drilling size4mil
Min. Spacing/Tracing2.7mil/2.7mil
Solder MaskGreen, Black, Blue, Red, White, Yellow,Purple matte/glossy
Surface TreatmentFlash gold(electroplated gold)ENIGHard goldFlash goldHASL Lead freeOSPENEPIGSoft goldImmersion silverImmersion TinENIG+OSP,ENIG+Gold finger,Flash gold(electroplated gold)+Gold finger,Immersion silver+Gold finger,Immersion Tin+Gold finger.
Min. Annular Ring3mil
Aspect ratio10:1(HASL Lead freeHASL LeadENIGImmersion TinImmersion silverENEPIG);8:1(OSP)
Impedance control±5ohm(<50ohm), ±10%(≥50ohm)
Other TechniquesBlind/Buried Via
Gold Fingers
Press Fit
Via in Pad
Electrical Test

Here there’re many laminate material datasheets, they’re useful and helpful for you, please see them:

SUPPLIERPCB LAMINATETYPEMATERIAL DATASHEETTGTDDK(1MHZ)DK(1GHZ)DK(10GHZ)
KBKB-6160FR4DOWNLOAD1353054.35
KB-6160AFR4DOWNLOAD1353054.35
KB-6160CFR4DOWNLOAD1353144.7
KB-6150
KB-6150C
FR4DOWNLOAD1323054.6
KB-6164FR4DOWNLOAD1423304.8
KB-6164FFR4DOWNLOAD1453404.8
KB-6165FFR4DOWNLOAD1503464.8
KB-6167FFR4DOWNLOAD1703494.8
SHENGYIS1141FR4DOWNLOAD1353104.6
S1141KFFR4DOWNLOAD1403504.7
S1000FR4DOWNLOAD1553354.9
S1170FR4DOWNLOAD1703354.6
S1000-2FR4DOWNLOAD1703354.8
S1155FR4DOWNLOAD1353704.7
ITEQIT-158FR4DOWNLOAD1503404.6-4.8
IT-180FR4DOWNLOAD1803504.5-4.7
TUCTU-768FR4DOWNLOAD1803504.3-4.44.3
TU-872Modified EpoxyDOWNLOAD2003403.8-4.03.8
ROGERSRO 3003Cer/PTFEDOWNLOAD5003
RO 3010Cer/PTFEDOWNLOAD50010.2
RO 4003Hydrocarbon/CerDOWNLOAD>2804253.38
RO 4350BHydrocarbon/CerDOWNLOAD>2803903.48
RT/duroid 5880PTFE/GlassDOWNLOAD5002.2
ISOLAPolyclad 370HRFR4DOWNLOAD1703404.8-5.1
FR406-HRFR4DOWNLOAD1903253.913.863.81
FR408-HRFR4DOWNLOAD2003603.723.693.65
P96PolyimideDOWNLOAD2604163.783.73
HitachiMCL-BE- 67GModified EpoxyDOWNLOAD1403404.94.4
MCL-E-679FFR4DOWNLOAD1703504.2-4.44.3-4.5
MCL-LX-67YSpecial LaminateDOWNLOAD185-195325-3453.4-3.6
NelcoN4000-13Modified EpoxyDOWNLOAD210-2403653.73.6
N4000-13EPModified EpoxyDOWNLOAD210-2403503.43.2
N4000-13SIModified EpoxyDOWNLOAD210-2403503.43.2
N4000-13EP SIModified EpoxyDOWNLOAD210-2403503.43.2
TaconicTLX-6PTFEDOWNLOAD2.65
TLX-7PTFEDOWNLOAD2.6
TLX-8PTFEDOWNLOAD2.55
TLX-9PTFEDOWNLOAD2.45
RF35PTFEDOWNLOAD<3153.53.5
TLC-27PTFEDOWNLOAD2.75
TLC-30PTFEDOWNLOAD3
TLC-32PTFEDOWNLOAD3.2
ArlonArlon 25NCerDOWNLOAD2603.38
Arlon 25FRCerDOWNLOAD2603.58
Arlon 33NPolymideDOWNLOAD>2503534
Arlon 35NPolymideDOWNLOAD>2503634.2
Arlon 85NPolymideDOWNLOAD2503874.2
StablcorST325DOWNLOADThermal conductivity:75w/m.k(with 1oz copper)
ST10DOWNLOADThermal conductivity:325w/m.k(with 1oz copper)
PanasonicR-1566WFR4DOWNLOAD1403304.954.74.65
VentecVT-901PolymideDOWNLOAD2503904.2-4.54.0-4.3
VT-90HPolymideDOWNLOAD2503904.2-4.54.0-4.3
Bergquistht-04503DOWNLOADThermal conductivity:2.2w/m.k(with 1oz copper)

Delivery

PCBMay offers flexible shipping methods for our customers, you may choose from one of the methods below.

1. DHL

DHL offers international express services in over 220 countries.
DHL partners with PCBMay and offers very competitive rates to customers of PCBMay.
It normally takes 3-7 business days for the package to be delivered around the world.

DHL Forwarder

2. UPS

UPS gets the facts and figures about the world’s largest package delivery company and one of the leading global providers of specialized transportation and logistics services.
It normally takes 3-7 business days to deliver a package to most of the addresses in the world.

UPS Forwarder

3. TNT

TNT has 56,000 employees in 61 countries.
It takes 4-9 business days to deliver the packages to the hands
of our customers.

TNT Forwarder

4. FedEx

FedEx offers delivery solutions for customers around the world.
It takes 4-7 business days to deliver the packages to the hands
of our customers.

Fedex Forwarder

5. Air, Sea/Air, and Sea

If your order is of large volume with PCBMay, you can also choose
to ship via air, sea/air combined, and sea when necessary.
Please contact your sales representative for shipping solutions.

Note: if you need others, please contact your sales representative for shipping solutions.

On our website you can use the following payment methods:

Telegraphic Transfer(TT): A telegraphic transfer (TT) is an electronic method of transferring funds utilized primarily for overseas wire transactions. It’s very convenient to transfer.

Bank/Wire transfer: To pay by wire transfer using your bank account, you need to visit your nearest bank branch with the wire transfer information. Your payment will be completed 3-5 business days after you have finished the money transfer.

Paypal: Pay easily, fast and secure with PayPal. many other credit and debit cards via PayPal.

Credit Card: You can pay with credit card: Visa, Visa Electron, MasterCard, Maestro.

    Obtain All Your Thin PCB Needs from PCBMay

    Thin PCBs—these are not your ordinary Rigid circuit boards of Flex PCBs. Thin and Ultrathin PCBs need to fit electronic devices which are becoming smaller and smaller in size. Since the manufacturing technology needed to produce Thin PCBs is advanced, you can only trust the industry leader—PCBMay.

    Rigorous quality checks characterize our manufacturing process for our Thin and Ultrathin PCBs. We adhere strictly to the measurements for these PCBs. Unlike normal PCBs which are 0.8mm to 3.2mm, our thin PCBs are 0.4mm (for 4L Thin PCB), 0.2mm, and 0.1mm (for the Ultrathin PCB variant).

    Every Thin PCB that comes out of our production line undergoes AOI and E-test to name a few Quality Assurance methods. Not only that, we are open to third-party audits in case you need it. We believe you deserve the finest PCB product available. Without any doubt, our PCB fabrication process is of the highest level.

    Thin PCB

    We can also boast of our professional engineers and salespersons. Our engineering people will take care of your technical questions within an hour or so after inquiry. Meanwhile, our salespeople instantly respond to your inquiry any time you call, at your most suitable time.

    Come to think about it, why not call right now? Let’s get started with your Thin PCB order.

    Thin PCB: The Ultimate FAQ Guide

    With the rapid growth of electronics, printed circuit boards (PCBs) have become more elevated and exact. Thin PCBs are a particular variety of PCBs manufactured of flexible materials and with great accuracy.

    Thin PCBs are developed to comply with highly advanced technology such as rocket technology and other advanced technology. Flexible materials power the thin flexible PCBs to comply with the compact places.

    Probably you are keen to know more about ultra-thin PCBs. You will find the answers about the thin printed circuit boards that come into your mind if you read the entire article.

    What Is Thin And Ultra Thin PCB?

    A thin PCB or thin-film PCB is a PCB that is thin in physical structure. Thin PCB is highly reliable and flexible to fit in compact places. It is made of polyamide or polyester thin film. That is why it is also known as thin-film PCB.

    They are lightweight, thin in thickness, and have a high wire density. Because of its excellent bending or flexibility feature, it is more dependable and high-grade. The development of high-precision boards makes it possible to accomplish tasks that are otherwise impossible to do manually.

    Thin PCB

    Thin PCB

    But the thin flexible PCBs or thin PCBs can comply with the auto-detection technology. It helps in bulk production because it can meet the requirements of production feasibly.

    Thin PCBs are primarily used in high-frequency and high-speed electronics, such as space rockets, communication, etc.  Its primary materials are known for their excellent dependability and fantastic flexibility and adaptability.

    A thin printed circuit board (PCB) circuit board may be twisted or even folded completely. They are lighter in weight, more compact in size, more heat-dissipating, and more efficient than their predecessors in the industry. Moreover, the materials are insulating, sticky, and conductive.

    What Are The Characteristics Of Thin PCB?

    Thin PCBs have the following qualities because of their high precision technology and more adaptability.

    • It needs a short assembly time since all lines are configured in pre-built.
    • It avoids the need for redundant cable wiring.
    • They are small in size. Their compactness reduces the size of the electronics as well. This compactness also increases the convenience of carrying.
    • Thin-film PCBs are lighter than typical PCBs. The lightweight also keeps the weight of the final products.

    Thin PCBs Are Lighter In Weight

    Thin PCBs Ar Lighter In Weight

    • The most significant characteristics of thin PCBs are thickness. This is the ultra-thin thickness that the name comes from. Their thin thickness improves the softness and bending capabilities of the boards. Which strengthens and intensifies the tri-dimensional assembling.

    What Are The Design Steps Of A Thin PCB?

    Even though they are high-frequency boards, the design processes for thin PCBs are the same as those for other conventional PCBs. To create an excellent thin printed circuit board, you must follow the design procedures outlined below.

    Designing The PCB

    The very first step of making a thin PCB is designing the schematic and layout of the PCB. Schematic is the outline or blueprint of PCBs. It shows the PCB’s shape, size, and component placement.

    The Schematic also determines the layers of the thin PCBs.

    PCB Layout

    PCB Layout

    You have to use computer PCB design software to design the layout. On the other hand, you have to design the PCB layout based on the schematic design. For this,  you need to import the schematic file into your layout design software.

    Making Thin PCB Board

    Making the PCB board is one of the most vital parts of thin PCB designing. Since you cannot use typical rigid material to form the board, you have to give more attention here. Make a thin PCB board from thin-film materials.

    Printing The Layout

    Now, the time is to print the layout on your thin board. There are various options to print the layout on the thin boards. High pressure and high heat will generate the printing process.

    Conductive Traces Etching

    Etching conductive traces is another vital part of thin PCB design. Traces are the conductive paths that flow electrical current through the PCB components. Chemical etching and 3D etching among the etching process of the thin PCB board.

    This video will show you how to etch flexible PCB traces.

    Component Assembling

    The final step of getting a final output of thin PCB is component assembling. Now you need to assemble the thin PCB with the necessary components. Proper component placement is the precondition of getting the peak performance from the PCBs.

    You can use different types of components placement technology such as press-fitt, through-hole technology, and surface mounting technology. After successfully assembling the components, your thin PCB is ready to roll.

    What Are The Benefits Of Ultra Thin PCBs?

    Ultra-thin PCBs have several benefits when you use them for your electronics. The following are the benefits you will get by using thin PCBs.

    • They are highly robust. They can fulfill millions of flexible cycles. And during the transition cycle, flexible PCBs preserve the quality of the materials.
    • They use less costly materials such as copper. So the material costs remain minimal. And this reduces the total cost of manufacturing thin circuit boards.
    • Thin-film PCBs are compatible with highly advanced technology such as rocket, space, and laser direct imaging. Implementation with care, these advanced technologies will not hamper the thin PCB boards.

    Thin Film PCBs Are Compatible With High Technology

    Thin Film PCBs Are Compatible With High Technology

    • Polyamide covering on the thin flexible PCBs is used for conductors. The polyimide offers dielectric and harsh condition protection.
    • It is feasible to construct bespoke repeating transmit patterns on a thin printed circuit board. Each circuit increases the reliability of the system. Because of their reliability, thin PCBs will see a significant reduction in the frequency of service calls.
    • Vibration and acceleration caused by the decreased mass of the thin boards might influence the joining and soldering of the boards. Thin PCBs with high ductility provide stability for the vibration and acceleration of the PCBs.

    What Materials Are Utilized In The Fabrication Of Thin PCBs?

    The thin base materials for the thin PCBs can make them possible to give a thin and flexible structure. The materials that are specifically used for the production of thin PCBs are briefly explained as follows.

    • Polyamide and polyester: Polyimide, polyester, and other coatings are used to provide more protection to PCBs without enhancing the board’s thickness and weight. Polyimide has excellent temperature stability as well as solid performance. Polyimide provides more excellent thermal cycle stability while exhibiting less expansion.

    Polyimide Is Used In Making Thin Flexible PCBs

    Polyimide Is Used In Making Thin Flexible PCBs

    • Copper Layers: When fabricating thin PCB boards, the demand for more copper is eliminated. The PCBs just need a copper foil with a lower coated copper content to fill in the connections.

    In exchange for utilizing less copper, more spaces and lines are generated. Thin copper layers also result in reduced connector footprints as a result of their lower thickness.

    • Glue: Thin printed circuit boards (PCBs) rely on high-quality adhesive to hold their components together firmly. The glue connects the numerous bending sections of the PCBs, allowing them to endure the flexibility of the circuit boards.

    What Are The Applications Of Ultra Thin PCBs?

    Thin-film PCBs provide a solution where you can not use typical rigid PCBs for applications. Unique design solutions and flexibility ensure thin printed circuit boards for a vast area in the electronic industry.

    Heads-up displays are mostly used in the aerospace and medical sectors. It is essential to ensure the vision of pilot fields by not moving the heads away from the pilot console. Thin flexibles PCBs power-ups the heads-up displays.

    Wearable Devices In Medical Sector Use Thin Film PCBs

    Wearable Devices In Medical Sector Use Thin Film PCBs

    Medical sectors use thin flexible PCBs to power up hearing wearable devices. The hearing devices that use flexible PCBs provide a hearing resolution range between 125 Hz to 10,000 Hz. One of the objectives of thin PCBs is to replace the wiring harness.

    Besides these, thin flexible PCBs can be used diversely in electronics as follows.

    • Sim cards are tiny electronic devices that allow you to communicate with others.
    • Laptops, cellphones, cameras, and calculators use flexible PCBs
    • Robotic arms, sensor devices, processing machinery, and bar code equipment are all examples of what is available with thin PCBs
    • Anti-lock brake systems, airbag systems, and GPS systems are examples of advanced technology that uses thin printed circuit boards.
    • Pacemakers and cardiac monitors are examples of medical devices.
    • Resistors, satellites, and capacitors are types of electronic components.
    • Tower lighting, LCD manufacture, and a motion system are all examples of using thin PCBs.

    What Are The Structures Of 2 Layers And 4 Layers Of Extra Thin PCB?

    Even though ultra-thin PCBs are far lighter than traditional FR4 PCBs, the layer structure of multilayer thin flex PCBs is simpler than conventional FR4 PCBs.

    Ultra Thin Flex PCB

    Ultra-Thin Flex PCB

    We’ve included the structural layer of a 2layer and a 4layer thin PCB in this section for your convenience.

    2 Layer ultra-thin PCB layer structure:

    Name of the LayerMaterialThickness (mm)
    Top solder maskSolder Resist0.015
    Top layerCopper0.035
    DielectricPolyimide0.075
    Bottom layerCopper0.035
    Bottom solder maskSolder resist0.015
    Total Thickness0.165mm

     

    Four-layer ultra-thin PCB layer structure:

    Name of the LayerMaterialThickness (mm)
    Top Overlay0.005
    Top solder maskSolder Resist0.015
    Top layerCopper0.035
    Dielectric 1Polyimide0.081
    Signal layer 1Copper0.0175
    Dielectric 2Polyimide0.075
    Signal layer 2Copper0.0175
    Dielectric 3Polyimide0.081
    Bottom layerCopper0.035
    Bottom solder maskSolder resist0.015
    Bottom Overlay0.005
    Total Thickness0.382 mm

     

    What Are The Types Of Thin PCBs Available?

    Like conventional PCBs, there are different types available of thin PCBs. In terms of layer number and PCB combination, there are three types of thin film PCBs.

    I. Single Layer Thin PCB

    A single conductive copper layer is present on the surface of the single-layer thin flexible PCBs. The copper layers are joined together using an adhesive between two insulating polyimide layers. Adhesive construction for a single layer flex PCB runs between ½  and three mils in thickness. In contrast, the standard copper thickness ranges from ⅓  oz to 2 oz.

    The standard thickness of polyimide cover lay is similarly ½  mil to 2 mils, as is the thickness of epoxy or acrylic glue, which is likewise 12 mil to 2 mils.

    II. Double-Sided Thin PCB

    There are two conductive copper layers in a double-sided thin-film PCB. These two conductive layers are joined with two internal and external polyimide insulating layers. Plated through-holes provide connections between the layers. The main configurations of a double-sided thin printed circuit board are single-sided access, double-sided access, and castellated holes.

    Double-Sided Thin Flexible PCB

    Double-Sided Thin Flexible PCB

    The standard thickness of a double-sided thin printed circuit board varies as like the single-sided one.

    III. Multilayer Thin PCB

    At least three conductive thin layers construct a thin multilayer printed circuit board. The layers could range up to 100 or more than that. Each flexible conductive layer is placed between two internal and external insulating polyimide layers. The core material thickness and cover lay thickness vary as per the single-sided one.

    What Is The Importance Of The Thermal State Of Thin PCBs?

    Thermal conductivity and stability for the thin PCB materials are the most important segment when choosing PCB substrate for your thin flexible PCBs. Different thermal states define the other forms of polyimide materials.

    Glass Transition Temperature- Tg

    When exposed to a specific temperature, PCB materials become softer. The substrate returns to its usual condition when the temperature has been removed from it. The temperature range between these two points is referred to as the glass transition temperature for the materials.

    In terms of performance at high temperatures, polyimide is an excellent material to use. Polyimide has a glass transition temperature ranging from 400 to 500 degrees Celsius.

    Decomposition Temperature

    Decomposition occurs when a PCB material is subjected to a higher temperature than its melting point (Tg). By this point, the material has lost around 5% of its overall mass. The temperature range in which this occurs is referred to as the decomposition temperature range.

    Effect Of Decomposition Temperature Is Permanent On Substance

    Effect Of Decomposition Temperature Is Permanent On Substance

    The impact of decomposition temperature on the material is permanent in all cases. Temperatures in the breakdown range of polyamide are in the vicinity of 500° C. It is very beneficial to the material’s overall performance.

    Coefficient Of Thermal Expansion

    When the Tg of a PCB material is exceeded, the materials begin to expand due to the influence of decomposition temperature on them. The coefficient of thermal expansion (CTE) measures how quickly a substance expands when exposed to heat.

    The CTE concentrations are typically between 10 and 20 parts per million (ppm). Hughes recommends a range of 70 parts per million (ppm).

    Why Does Thin PCB Trace Corrosion Happen?

    PCB trace corrosion is the process of oxidation of the conductive traces of thin PCBs. Many entities like air, humidity, moisture, water or electrolyte, etc., drive the copper traces of the PCBs to corrosion.

    There are different particular reasons behind the trace corrosion of PCBs. These are as follows:

    Electrochemical Corrosion

    This sort of corrosion affects the electrical connections between components and the traces on printed circuit boards. When moisture or another liquid comes into touch with the electrical contacts and traces, corrosion occurs.

    Galvanic corrosion and electrolyte corrosion are the two basic types of electromechanical corrosion. PCBs exposed to industrial applications, excessive moisture, etc., are most susceptible to electromechanical corrosion.

    Flux Residue Corrosion

    Soldering can expose your board’s metal to corrosive substances such as chlorine and other leftovers previously present in the flux compounds. When you’ve finished soldering, you’ll need to remove any leftovers.

    Clean PCB After Soldering To Avoid Flux Residue Corrosion

    Clean PCB After Soldering To Avoid Flux Residue Corrosion

    It is not possible to decompose the leftovers when using wave soldering.  Because the temperature generated is not high enough, any residual flux residue must be avoided at all costs because it is acidic and highly corrosive.

    How To Prevent The Trace Corrosion Of Thin PCB?

    Corrosion prevention is not nearly as difficult as you may assume. If you want to avoid corrosion on your narrow PCB traces, a conformal coating would be the most effective and least complicated approach.

    Rugged methods of preventing corrosion and oxidation include surface finishing, epoxy lamination of metal parts, solder mask application, and aerosol spraying of metal parts. The coating you choose should comply with the high temperature and moisture. But, it is necessary to assess the required one in the particular case.

    Use Epoxy Lamination For Coating To Prevent Corrosion

    Use Epoxy Lamination For Coating To Prevent Corrosion

    Your knowledge and expertise will guide you in determining where to apply the coatings. And, in many cases, you will not be able to pinpoint the particular spot where the corrosion is occurring. As a result, laminating all exposed metal portions of your thin PCBs is a safe practice.

    What Is EMI, And Why Should You Avoid EMI On Your Thin PCBs?

    EMI is an abbreviation for Electromagnetic Interference, which may occur in electronics when exposed to an electromagnetic field. More specifically, it is a radio frequency disturbance. Devices containing electrical circuits, particularly those with printed circuit boards (PCBs), are in the danger zone of EMI.

    EMI Drives PCBs To Destruction

    EMI Drives PCBs To Destruction

    You should avoid the EMIs to your thin PCBs because EMI is dangerous for electronics, and it is also costly to recover. EMI disturbs the radiofrequency, which interrupts communication and signals. So, the expected result may not come. Also, it is harmful to health.

    For example, EMI can affect medical equipment such as ventilators, ECG monitoring, cardiac monitoring, pacemakers, etc. When they happen, it might be destructive.

    What Should You Ensure While Designing Traces On Thin PCB?

    To avoid any interference and effect on the performance of the traces, you should consider the following facts to design conductive traces on thin PCBs.

    • Avoid angles of 45 to 90 degrees while tracing and installing other components and vias. Because impedance varies at 45-degree angles, EMI occurs.
    • When installing, keep the low-speed and high-speed traces separate. Additionally, keep analog signals distinct from digital signals.

    Keep Low-Speed And High-Speed Traces Separated

    Keep Low-Speed And High-Speed Traces Separated

    • Maintain short grounding return pathways. Long pathways cover a great deal of ground, and interference occurs.
    • Drill and utilize the vias with caution as a result of the inductance and capacitance generated by vias. Additionally, the trace length would be prolonged if vias were used. Attempt to use as few vias as feasible.

    How To Place The Components On The Thin PCB?

    Component placement is one of the most vital parts of PCB assembling. You should keep the following facts in your mind during the component placement. These will help you to get the peak of the performance and avoid any interference of components on your thin PCBs,

    • Always place the analog and digital components from each other. This will avoid cross-talk. Implementing shielding, coating, and multilayer will help to keep the components separated.

    Keep Analog And Digital Components Separated

    Keep Analog And Digital Components Separated

    • Like components, also keep separate the analog and digital circuits from each other. Analog circuits carry high currents that cause problems for high-speed traces.

    This video shows how to place components on a PCB:

    What Are The Common Issues Of High Heat In Thin PCBs?

    Excessive heat can create many negative issues if generated in thin PCBs. Extreme heat can cause the following problems on PCB:

    • Excessive heat can destroy the PCB integrity. PCB substances and layers are sensitive to heat. When they are exposed to high temperatures, the structural state of the PCBs could be changed.
    • Excessive heat also disrupts the circuit lines. Circuitries are changed in shape and susceptible to frequency change and signal interruptions.

    High Heat Can Disrupt The Circuit Lines On Flex PCBs

    High Heat Can Disrupt The Circuit Lines On Flex PCBs

    • With high temperatures, the incompatible expansion of materials will happen. It drives the thin PCBs to the damages. With high heat, conductive and dielectric layers will misbehave due to different materials.
    • High heat drives the PCBs’ metal parts to oxidation. The metals will be destroyed as a result.

    How Can You Prevent High Heat In Your Thin PCBs?

    There are many ways to keep reducing excessive heat on your thin PCBs. And it is a must to reduce the high heat to protect your boards from destruction. The following are some practical ways to reduce high heat.

    • Keep high-speed and low-speed signals and digital and analog components separated.
    • Utilize high-grade materials and components. High-quality parts are highly compatible with high heat.
    • Proper coating and laminations are some of the most robust ways of heat dissipation.

    How To Calculate The Thickness Of A Thin PCB?

    Several factors determine the thickness of a printed circuit board. Copper thickness, trace thickness, dielectric thickness, soldermask thickness, and so on are all included in this category.

    You may use a trace width calculator to determine the necessary thickness of your thin PCB. After entering all of the essential information, the calculator will provide you with an accurate answer for measuring the PCB thickness.

    It is necessary to consider copper thickness, solder mask thickness, dielectric thickness, etc. To guarantee that specifications are met, you may calculate down to the hundredth of an mm in precision.

    What Factors Should You Check While Choosing A PCB Manufacturer?

    All things will go wrong when you get a faulty unit of production of your thin PCBs. And to get a quality production of PCBs, you must need a highly experienced and qualified PCB manufacturer.

    So, what to look at a PCB manufacturer to consider them as a good PCB manufacturer?

    There are several features as signs for a good PCB manufacturer. You should check for the following features.

    • IPC certification.
    • Quality management.
    • Bulk production ability.
    • Deadline meeting capability.
    • Use of quality parts and materials.
    • Vast experience in the sector.

    Conclusion

    Thin PCBs are generally high-grade PCBs. You need to know more about them before going for production. A highly experienced PCB manufacturer can help you in all ways to get the best products.

    So, when you think about your thin PCB production, you could take the manufacturing service from PCBMay. PCBMay is one of the leading.

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