Your Leading Nelco PCB Manufacturer
PCBMay is one of your best choices for your nelco PCB components. We are one of the best foundations specializing in manufacturing high-end installation of nelco PCB for your business and project assistance.
- Complies the ISO9001, UL, and ISO14001 approval
- Serves for 1000+ clients worldwide
- Meet the IPC class 2 and class 3 product surveillance
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Nelco PCB is Your Right Choice to Boost Your Business
PCBMay is acknowledged as a prominent manufacturer of high-technology quick turn PCB prototyping, specifically the Nelco PCB. We only use the advanced features of production equipment to produce a superior Nelco PCB. For a unique selection for your Nelco PCB, PCBMay is your most excellent solution. We are more productive in fulfilling all your needed requirements.
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Types of Nelco PCB Meet Your Requirments
Each of our 0.1mm Nelco PCB has an approximate board size of 6.35mm x 6.35mm/534mm x 510mm. It has a maximum layer count of 1-16.
This 4-layer Nelco PCB is a highly resilient PCB component that maintains the normal function of your electronic devices. It has a board thickness that reaches 0.01±0.008.
9.5mm Nelco PCB features for having a powerful current of AC100-277V/50-60HZ. It has a copper thickness that extends to 10 oz and more.
Ideal for all communication devices. It manufactures out of several shapes and formations. It comprises the FR4, CEM 1-3, high-frequency board as the primary materials.
A functional complex Nelco PCB that has a minimum component size of 0201-54 sq. mm. Tested and proven through the ICT, AOI, XRAY, Function Test, etc.
Each of our 0.1mm Nelco PCB has an approximate board size of 6.35mm x 6.35mm/534mm x 510mm. It has a maximum layer count of 1-16.
Why Choose PCBMay Nelco PCB
PCBMay is a senior nelco PCB manufacturer in China. Our rich-experienced engineers, R&D team, and technical team have supported nelco PCB manufacturing for more than ten years. PCBMay can work professionally to produce tons of nelco PCB.
We have full-length capabilities in manufacturing nelco PCB. It is a quality-based production that approves the ISO, REACH, UL, and RoHS standard certifications. Full-protected by IPC class 2 and 3 quality surveillance. We extend our service to provide zero-issue PCB components.
Related Nelco PCB
Nelco PCB Production Details As Following Up
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|Base Material||KB、Shengyi、ShengyiSF305、FR408、FR408HR、IS410、FR406、GETEK、370HR、IT180A、Rogers4350B、Rogers4000、PTFE Laminates(Rogers series、Taconic series、Arlon series、Nelco series)、Rogers/Taconic/Arlon/Nelco laminate with FR-4 material(including partial Ro4350B hybrid laminating with FR-4)|
|Board Type||Backplane、HDI、High multi-layer 、blind&buried PCB、Embedded Capacitance、Embedded resistance board 、Heavy copper power PCB、Backdrill.|
|Copper Thickness||Min. 1/2 OZ, Max. 10 OZ|
|Maximum Board Size||1100*500mm(43”*19”)|
|Min laser drilling size||4mil|
|Solder Mask||Green, Black, Blue, Red, White, Yellow,Purple matte/glossy|
|Surface Treatment||Flash gold(electroplated gold)、ENIG、Hard gold、Flash gold、HASL Lead free、OSP、ENEPIG、Soft gold、Immersion silver、Immersion Tin、ENIG+OSP,ENIG+Gold finger,Flash gold(electroplated gold)+Gold finger,Immersion silver+Gold finger,Immersion Tin+Gold finger.|
|Min. Annular Ring||3mil|
|Aspect ratio||10:1(HASL Lead free、HASL Lead、ENIG、Immersion Tin、Immersion silver、ENEPIG);8:1(OSP)|
|Impedance control||±5ohm(＜50ohm), ±10%(≥50ohm)|
|Other Techniques||Blind/Buried Via|
|Via in Pad|
Here there’re many laminate material datasheets, they’re useful and helpful for you, please see them:
|SUPPLIER||PCB LAMINATE||TYPE||MATERIAL DATASHEET||TG||TD||DK(1MHZ)||DK(1GHZ)||DK(10GHZ)|
|Hitachi||MCL-BE- 67G||Modified Epoxy||DOWNLOAD||140||340||4.9||4.4||–|
|N4000-13EP SI||Modified Epoxy||DOWNLOAD||210-240||350||–||3.4||3.2|
|Stablcor||ST325||–||DOWNLOAD||Thermal conductivity:75w/m.k(with 1oz copper)|
|ST10||–||DOWNLOAD||Thermal conductivity:325w/m.k(with 1oz copper)|
|Bergquist||ht-04503||–||DOWNLOAD||Thermal conductivity:2.2w/m.k(with 1oz copper)|
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PCBMay- Your Nelco PCB Manufacturer
Suppose you seek a perfect foundation that can help you with your PCB business; no need to worry because PCBMay is willing to assist with your help. We manage the most excellent PCB manufacturing business throughout China.
PCBMay offers some features of PCB components. We manufacture aluminum PCB, HDI PCB, roger PCB, heavy copper PCB, flex-rigid PCB, and other related PCB products.
We have our rich experienced engineers and elite staff who manufacture high-end Nelco PCB for more than ten years. Since established, we occupy the most comprehensive manufacturing area facility for easier and faster production of Nelco PCB.
A straightforward definition, Nelco PCB is a versatile PCB component that features a higher layer count of PCB elements. It has the highest speed digital applications that help provide a standard, consistent, and natural assembly function of your application devices. It works with fine line backplanes, communications devices, networking services, mechanical and automotive diversity, and technical applications.
Our Nelco PCB is a quality-based PCB component that adheres to the needed qualifications. It includes the ISO9001:2008, RoHS, REACH, ISO9001:2015, UL(E477880), and ISO14001:2015 certifications. Besides, it also complies with product surveillance, just like the IPC class 2 and 3.
Our inspectors take their responsibility to test and check the processing procedure and the quality of Nelco PCB. We have followed the given factory guidelines to double-check if our product is credible, liable, and safe to use. After inspecting, the transaction for deliveries and shipment is next in the trades.
We have served more than 1000+ customers all over the country. We also have some extended market branches abroad that help in promoting our Nelco PCB and other PCB products. PCBMay keeps on releasing the newest and upgraded version of Nelco PCB for all our customers.
At PCBMay, the endless satisfaction of services is what you experienced. We can be your one-stop solution in achieving a prosperous PCB business. We are willing to share our strategies on how to be successful business enthusiasts.
You are free to send us your good feedback, inquiries, suggestions, and layouts for your preferred Nelco PCB. We accept OEM and ODM services. PCBMay’s delivery team is professional in handling all your orders and delivering them as soon as possible. We can work professionally, genuinely, and impressively!
Don’t feel any hesitation in reaching PCBMay anytime!
Nelco PCB: The Ultimate FAQ Guide
PCB or Printed Circuit Board is an unavoidable essential circuit board for electronics. You will not find any electronic device without PCB. Nelco PCB is one kind of PCB among different types.
Nelco PCB is one type of PCB for electronic devices. In this FAQ guide, we are gonna answer several questions about Nelco PCB. Let’s start the journey.
- What Is Nelco PCB?
- What Are The Materials Used In Nelco PCB?
- What Are The Sectors Of The Application Of Nelco PCB?
- What Factors Decide The Number Of Layer For A Nelco PCB?
- hat Are The Important Characteristics Of The Material For Various Types Of Nelco PCB?
- What Are The Different Surface Finishes For Nelco PCB?
- What Are The Nelco PCB Quality Standards?
- How To Manage Quality Control Of Nelco PCB?
- How Does Board Penalization Play An Important Role In Sizing The Nelco PCB?
- What Are The Considering Factors While Selecting Vias For A Multilayer Nelco PCB?
- What Is The Nelco N4000 Series, And What Are The Features?
- How Can Material Loss In Nelco PCB Be Minimized?
- What Is Nelco PCB’s Hybrid Construction?
- What Is The Effect Of Glass Transition Temperature In The Manufacturing Of Nelco PCB?
- What Effect Does Fiberglass Weave Have On A Nelco Printed Circuit Board’s Performance?
- What Are The Benefits Of A Nelco PCB With A Lower Dielectric Constant?
- In Nelco PCB, How Does Copper Weight Affect It?
- What Is The Common Fact Between Nelco PCB And ISOLA PCB?
What Is Nelco PCB?
Nelco PCB is made of Nelco materials for high standard thermal and mechanical performance. Nelco PCB materials are highly suitable for multilayer count and high-speed digital PCB application design. Nelco PCBs are used for high-frequency communications and networking, high-speed multilayer low loss PCBs, wireless devices, automotive, and so on.
Generally, materials of Nelco are RoHS compliant and CAF resistance capable. Materials like high-speed epoxy, FR-4, advanced materials like BT, cyanate ester, and polyamide are used for manufacturing a Nelco PCB.
Vital aspects for designing a Nelco PCB you should keep some factors in mind. They are board material, PCB stack-up, copper traces, types of vias, PCB parts, designing rules, and integrity of signals.
What Are The Materials Used In Nelco PCB?
There are diverse PCB materials that exist, with distinctive features for each. When you are picking materials for the design of your Nelco PCB, you should keep in your mind the attribute and the objective of the making of your PCB.
Following are some materials of Nelco PCB design and their attributes.
- Meteorwave 8000
- Meteorwave 8350
- Meteorwave 1000NF
- FR N4000-NF
- N4000-13 SI
- N4000-29 NF
- N5000-30 prepage
- N5000-32 Laminate
What Are The Sectors Of The Application Of Nelco PCB?
Nelco PCB is usually designed for high-speed digital applications, multilayer PCB, and lead-free assemblies.
The major uses of Nelco PCB are:
- Wireless communication and infrastructure, and digital devices
- Networking and communications
- Web Server
What Factors Decide The Number Of Layer For A Nelco PCB?
In a Nelco PCB, PCB stack-up design plays the role of choosing materials of a Nelco PCB, and determining the layer numbers of the PCB. PCB stack-up is the main factor that ensures the high-performance structure of Nelco PCB. It describes the detail of how and which you assemble all components in the PCB. A poorly designed stack-up can drive you to inappropriate material choice and wrong layer determination.
The Nelco PCB stack-up design should ensure the sufficiency of the needed power delivery with the highest cost-efficiency. The need for multiple layers in a Nelco PCB depends upon the difficulty of the PCB.
By the way, the main factors to determine the layer of Nelco PCB are including the following:
- Density of components
- Type of packages for the components
- The total number of signal nets that need to be separated from BGA devices.
- Sum of the total of power or pours planes.
Usually, power planes specifications or independent ground, and a large ball grid of array breakout identify how many levels there are in a Nelco PCB.
What Are The Important Characteristics Of The Material For Various Types Of Nelco PCB?
Different types of Nelco material are used for different purposes. There are different categories of performance as well. The performance level determines the uses of Nelco materials for different PCBs.
For High-Performance Category:
Meteorwave 8000 processes very high standard reliability along with extremely low loss. This material is also capable of handling high temperatures and lead-free assembly, as well as demonstrating compatibility with other materials and components. Meteorwave has CAf resistance capacity.
This resistance works in up to 185° glass transition temperature. A meteorwave has a dissipation factor of 0.0016 and a dielectric of 3.28.
The meteor wave 8350 contains an extremely low loss, dielectric constant control, and extremely high reliability. It is also compatible with high temperatures like meteorwave 8000. Also, it has a CAf resistance and a temperature tolerance up to 185° celsius as well as the meteorwave 8000.
Meteorwave 1000 NF
Meteorwave 1000 NF has high reliability, very low loss, and no flow of Nelco PCB material. This product is lead-free and has a glass transition temperature of up to 240° Celsius. The temperature copes up with a diverse dielectric constant capacity of Nelco PCB.
FR-4 N Series Category:
N4000-29NF is a representative of Nelco material with the features of lead-free, extremely glass transition temperature tolerance with multifunctional epoxy resin. But there is no CAF resistance for N4000-29NF. It has a dissipation of 0.018 and a dielectric constant of 4.5.
N500 series is highly suitable for lead-free assembly applications and designs. It has a very low loss and provides efficient wire bondability. The temperature tolerance range for N5000 is up to 205° celsius.
There are other FR-4 N series here including N4000-13, N400-6, N400-7, N400-6F, and N400-7SI. Choosing a material depends on the aspect of the making of the Nelco PCB. So, you have to choose the material to ensure flawless performance according to the aspect of the Nelco PCB.
What Are The Different Surface Finishes For Nelco PCB?
Surface finishes for PCBs are very much important in terms of performance and durability. Nelco PCB design is just as vital as prototyping, production, and testing. So, this should be more specified with the surface finishes of your Nelco PCBs.
Let’s clarify the Nelco PCB surface finishes.
Electroless Nickel Immersion Gold- ENIG
ENIG provides thin gold plated surfaces with a solderable film that protects the copper traces and separates the nickel barrier from the copper. It is a typical and costlier surface finish for the Nelco printed circuit board. ENIG is a perfect, efficient, and long-lasting finish. ENIG is RoHS compliant and has a very low loss.
Electroless Nickel Immersion Gold Finish
Hot Air Solder Levelling- HASL
By HASL finish, clamps clasp the Nelco PCB vertically, before it gets immersed in a flux bath. The printed circuit board is then submerged in a hot, molten solder vat before being finished.
The finish consists of a tin finish before hot-air knives flatten the printed circuit board. The finish ensures the proper thickness of the board and it becomes uniform. Military and aerospace industries are currently using the finish.
Lead-free HASL has some similarities to HASL, yet there is a lack of alloy. Instead of alloy, HASL processes copper and tin, or nickel and tin, or nickel, copper, germanium, and tin alloy. It is to be noted that the lead-free HSLI finish is not a common finish.
Immersion Silver- Ag
Immersion silver is a nickel-free finish that is applied to the surface by chemical displacement. It is less costly than ENIG, and also RoHS compliant, and has a low loss. This finish needs a special storage facility to prevent subsequent discoloration and oxidation.
Immersion Silver- Ag Finish
Immersion Tin- IT
Chemical displacement is used to apply immersion tin to the printed circuit board’s surface, resulting in a thin tin coating over copper traces. It is less costly than the ENIG and IAg as well. Generally, the tin finish is used on high-speed telecom Nelco PCB.
Immersion Tin Finish
Hard Gold- HG
Hard gold is another Nelco PCB surface finish commonly used for mechanical applications like buttons and keyboards. The finish is applied to the nickel and is perfectly attached to the Nelco PCB.
Hard Gold Plating
Electroless Nickel Electroless Palladium Immersion Gold- ENEPIG
ENPIG is a three-layered Nelco PCB finish that is applied to the printed circuit board’s surface as well as the wire connections. ENPIG protects copper and prevents its contact with other metal parts. ENPIG adds an additional anti-oxidation layer to nickel, reducing corrosion. ENPIG is considered a universal finish for printed circuit boards because of its working compatibility with copper, nickel, gold, aluminum.
Electroless Nickel Electroless Palladium Immersion Gold- ENEPIG Finish
Soft Bondable Bond
Soft bondable bond is almost the same as the ENPIG that possesses a similar implementing technique on printed circuit boards. It needs less space for wire management benefiting from its crown surface pad.
What Are The Nelco PCB Quality Standards?
There are five categories of quality standards for the Nelco PCB.
- RoHS Standard: RoHS stands for Restriction of Certain Hazardous Substances. It certifies the electronic equipment for the maximum allowance of the proportion of hazardous or the maximum limit for disposal of substance difficulties. If there is a certificate of RoHS for an electronic product, that means the product has the maximum limit of allowed hazardous, or disposal substance difficulties.
- European Conformity (CE) Standard: CE stands for European Conformity. CE marking is a standard of manufacturing goods where the manufacturers have to prove compliance with EU health, environmental, and safety protection legislation, and confirm the products with relevant requirements.
- ASTM Standard: The American Society for Testing and Materials (ASTM) is an international standard-setting organization that develops technical specifications for a variety of goods, systems, services, and materials.
- UL Standard: Underwriter Laboratories, a third-party certification company that certifies and sets standards for new products for over a century.
- ISO Standard: International Organization for Standardization (ISO) is a worldwide standard company that sets standards for products, and services. ISO works in more than 160 countries.
It is a non-governmental worldwide federation that comprises standard bodies for each member country of it and the standard body represents that certain country. The American National Standards Institute (ANSI), for example, represents the United States..
How To Manage Quality Control Of Nelco PCB?
There are different criteria and methods of testing the chemical, physical, mechanical, and performance of the Nelco PCB.
Following are the major quality control testing methods for Nelco PCB.
Differential Scanning Calorimetry (DSC)
Differential Scanning Calorimetry is authorized to access one of the thermos-analytical methods to the chemical and physical properties of prepregs and laminates. DSC checks and measures the flowing heat variation through the specific epoxy resin system compared to the existing aluminum reference.
Infrared or IR Spectrophotometry measures a Nelco PCB material’s chemical fingerprint following the transmission, and absorption characteristics of IR frequencies.
Thermos-mechanical Analysis estimates the dimensional changing of a Nelco printed circuit board. The process happens during the heating up of the PCB from room temperature to the maximum set temperature.
Thermal-Gravimetric Analysis determines the weight loss of the board’s materials in relation to temperature. The heating-up generally happens through a heat-up ramp or isothermal mode.
How Does Board Penalization Play An Important Role In Sizing The Nelco PCB?
To minimize the size of your electronic goods, you have to minimize the size of your printed circuit board. For this reason, you should penalize your Nelco printed circuit board while you are determining the initial size of your board.
For more specific, if you don’t want to compromise the performance and functionality of your board. The penalization of PCB size is not only for the maximization of board yield, but also it helps to keep the board cost low.
What Are The Considering Factors While Selecting Vias For A Multilayer Nelco PCB?
One of the most crucial components for multilayer PCB is the Nelco PCB via. The vias serve as a conduit for electrical and thermal energy to pass between the layers.
The following are the most important things to consider while selecting vias for multilayer PCBs.
Via size selection is a very important fact for PCB. The most popular size of via is 10 mil, which would be reduced to size 7 mil after the laying, though the size relies on the PCB thickness. Micro vias with 4 mil holes can be mechanically drilled or laser drilled, depending on the Nelco PCB thickness.
You have to choose the type of vias before designing. Either it might be buried via, or blind via, whatever is appropriate for your project. You will get more space if you get a single laminating lacking via technology.
Different Types of Via
Choose the right technology of manufacturing vias. Your Nelco PCB manufacturer is the right person who would do the thing properly.
Check and test the tolerance of via’s hole size. Most of the Nelco PCBs fabricators design in-house hole guidelines.
Consider the requirements of the annular ring according to classes 2 and 3. The annular rings are generated after drilling through the pads of each layer of the board.. It helps to get sufficient area for the interior even with the linkage of copper traces on certain layers.
Nelco PCB Annular Ring
For the purpose of associated technologies, adhere to IPC instructions. It builds the connections of the distance between the vias.
What Is The Nelco N4000 Series, And What Are The Features?
Nelco N4000 is an advanced epoxy resin which is a material of Nelco PCB.
It belongs the features like,
- RoHS compliance
- Low signal and material loss
- Digital high signal speed
- Excellent thermal, mechanical, and chemical performance
- CAF resistance
- High thermal reliability and robust stability
- Compatibility with lead-free assembly
- Temperature tolerance up to 260° celsius
- Wide construction variety
How Can Material Loss In Nelco PCB Be Minimized?
While designing a Nelco PCB board, you have to keep in mind the fact of material loss. It becomes a key factor during the design. So you have to select the materials considering the factors of material loss.
The material loss includes skin effect, loss tangent, fiberglass composition, relative dielectric constant. Impedance mismatches, absorption of dielectric, losses of conductors mainly cause the material loss.
By controlling the traceroutes, geometries, and separation, impedance mismatches could be perfectly managed. Yet, the material loss might be beyond the control when the data rates go to 10 Gbps or higher.
So, you have to consider dielectric fabrication while the design is in process. Besides this, the following are some factors to be considered to mitigate the material loss.
- Relative dielectric constant
- Skin effect
- Fiberglass composition
- Loss tangent
What Is Nelco PCB’s Hybrid Construction?
The Nelco PCB’s hybrid construction is a powerful building process for controlling the cost of the printed circuit board, especially for high-speed PCBs.
The layers that require high radio signals only use a higher cost for construction along with a low loss material. Consequently, other PCB layers use low-cost FR4 core materials.
Maintaining a uniform prepreg across the Nelco PCB requires a common hybrid construction. Blending prepreg in the PCB might cause lamination issues. To avoid issues, the varying temperature is needed for the perfect bonding of prepregs.
What Is The Effect Of Glass Transition Temperature In The Manufacturing Of Nelco PCB?
All Nelco PCBs are able to expand and contract due to changes in temperature. Glass transition temperature (Tg) can impact the manufacturability of Nelco PCB. The thermal expansion of material dictates the extension and reduction rate coefficiently.
When the resin in the Nelco PCBs material starts to expand in the fastest time, the transition temperature is the main temperature influence there. The mechanical pressure on the printed circuit board is increased by the epoxy resin’s quick expansion.
Since the copper and fiberglass weave are laminated together because of the transition temperature, this strengthens the PCB across X and Y-Axis. The resulting expansion goes through the Z-Axis. Over-pressure for vertical fast expansion results in delamination of Nelco PCB material’s soldering connections.
What Effect Does Fiberglass Weave Have On A Nelco Printed Circuit Board’s Performance?
Weaving glass yarn fibers are used to produce fabric-like fiberglass panels. The fiberglass panels are then teemed and use epoxy resin to build the prepreg, and core materials. Because of different densities, and thicknesses in the fiberglass, the fiberglass might be spanned from tightly weaved epoxy fill to loosely-weaved fiberglass epoxy fill.
Depending on the various fiberglass yarn count and utilization, the weaves are divided into different groups of glass styles. The dielectric constant will be more steady while the weave netting will be more rigid in Nelco PCB.
On the converse, the dielectric constant will be less steady because of loose weave leading. And this could cause variations in trace impedance. Lastly, this can cause distortions of propagation in the closely matched radio signals.
What Are The Benefits Of A Nelco PCB With A Lower Dielectric Constant?
The dielectric constant determines Nelco PCB’s ability to become polarized across accumulated electrostatic energy and the PCB electric field. It also pertains to the material capacity required for radio signal propagation as well as the frequency variation of radio signals.
In a Nelco PCB, it is essential to remember that the traces are not able to confine the electromagnetic waves. The waves are actually confined in the medium around the traces. The dielectric constant plays a vital role to determine the behavior of radio signals.
So, there are crucial advantages of a lower dielectric constant.
- Has a faster propagation of radio signals through the materials of Nelco PCB
- Has a better insulation
- Provides a greater trace impedance for certain geometry of traces
- Generates smaller capacitance for stay trace
In Nelco PCB, How Does Copper Weight Affect It?
One of the most critical parts of printed circuit boards is copper. Copper weight measuring happens in ounces in PCBs per square foot. A printed circuit board’s copper thickness or copper weight refers to the thickness of 1 ounce (oz) copper covering 1 square foot.
PCB Trace With Copper Thickness
Suppose, in a Nelco PCB, copper weighing 1 ounce will have a copper layer that is 1.4 mils thick.
Copper weight is important in Nelco PCBs because the different weights of copper are used for different purposes. The plane layers of the PCB are made of one-ounce copper, and a half-ounce copper is used for the radio signal traces.
On the converse, the denser copper weight will be utilized to get a higher DC current for power delivery. Yet the thickness of copper might be the fact of concerns to manufacturability with laminating and drilling.
What Is The Common Fact Between Nelco PCB And ISOLA PCB?
Nelco PCBs and ISOLA PCB, both are high-frequency PCBs with maximum thermal, mechanical, and chemical performance.
The basic difference between the two printed circuit boards is that the Nelco PCB uses prepreg materials and a myriad of laminate. On the converse, the ISOLA PCB uses laminates and dielectric prepregs of copper clad.
Multilayer ISOLA PCB
Both materials are properly suitable for the fabrication of multilayer PCBs and able to enhance the performance of the PCBs.
Nelco PCB is amongst the most popular types of printed circuit boards for wireless devices and automobiles applications. Also, the making of Nelco PCB is a little complex as well. We explored some essential questions and answered them in this FAQ guide.
You should study more about Nelco PCB before entering into the making of it. An experienced industry-leading manufacturer like PCBMay might be your final move for manufacturing your Nelco PCBs.