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What are the different parts of a circuit card assembly?

9/27/2020

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There is a myriad of different CCA designs, types, and capabilities. However, PCBAs are largely comprised of 4 basic elements.
  1. Substrate
  2. Copper
  3. Solder mask
  4. Silkscreen

Substrate

​The material supporting all the electrical components together. Substrates can vary greatly depending on the type of PCBA. For example, you can have flexible, ridged, and metal core boards. 

Below is a video displaying the different electronic components that can be placed on a substrate.

Copper

A thin layer of copper is laminated to the substrate of the PCBA connecting the electrical components with conductive tracks or traces. The number of copper layers depends of the type of PCBA, and can range from single-sided, double-sided, and multi-layer boards.

Solder Mask

Solder masks are applied as a coating to prevent corrosion, reducing the possibility of solder shorts.

Silkscreen

A silkscreen may be printed on circuit boards to display a legend identifying the components and test points.
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Resources & Links:
https://www.pcbcart.com/article/content/pcb-assembly-process.htm


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1 Comment
Shira Wilson link
5/30/2021 02:09:03 pm

Great post!! I am very glad to read this post as you have shared very knowledgeable stuff 🙂 I discovered this blog really helpful in order to enhance the knowledge and I will definitely share your post with my friends in order to enhance their knowledge!!

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  • Home
    • About Us
    • Certifications
    • News
  • Industries
    • Aerospace & Defense
    • Transportation
    • Heavy Equipment
    • Industrial Electronics
  • Services
    • Engineering
    • Manufacturing >
      • UL508A Industrial Control Panel Builder
    • Calibration & Maintenance/Repair >
      • Equipment Serviced
    • Integration & Test
  • Store
  • Products
    • Custom Cable Assemblies/Wiring Harnesses
    • Electrical Power
    • Power Distribution & Managment
    • Electronic Assemblies
    • Power Supplies
    • Special Test Equipment
  • Careers
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  • Request a Quote