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What are circuit boards made of?

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Anonymous

10y ago
Updated: 8/12/2022

Generally,there are the below kinds materials for printed circuit boards:

1. Rigid phenolic resin laminate sheet of paper substrate CCL FR-1 economy, flame retardant

2. FR-2 high electrical resistance, flame (cold red)

3. Epoxy copper clad board FR-3 high electrical resistance, flame retardant

Polyester resin copper clad board

4. Glass cloth plate glass cloth - epoxy copper clad FR-4 board

5. Heat-resistant glass cloth - epoxy copper clad board FR-5 G11

6. Glass cloth - polyimide resin copper clad board GPY

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Elissa Gutmann

Lvl 10
3y ago

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