03

2023

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07

Common types and characteristics of copper clad laminate

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1. Copper foil-clad phenolic paper laminate is a laminate made of insulating impregnated paper (TFz-62) or cotton fiber impregnated paper (1TZ-63) impregnated with phenolic resin by hot pressing. The two surface adhesive paper can be attached with a single sheet of alkali-free glass impregnated tape, and one side is coated with copper foil. It is mainly used as a circuit board in radio equipment.

2. Copper-clad phenolic glass cloth laminate is a laminate made of alkali-free glass cloth impregnated with epoxy phenolic resin by hot pressing. One side or both sides are covered with copper foil, which has the advantages of light weight, good electrical and mechanical properties, convenient processing and so on. The plate surface is light yellow, if three cyanide diamine is used as curing agent, the plate surface is light green, with good transparency. It is mainly used as a circuit board in radio equipment with high operating temperature and operating frequency.

3. Copper-clad PTFE laminate is a copper-clad laminate formed by hot pressing with copper foil based on PTFE plate. Mainly used for high frequency and ultra-high frequency circuit board.

4. Copper clad epoxy glass cloth laminate is a commonly used material for hole metallized circuit boards.

5. The soft polyester copper-coated film is a ribbon material formed by hot pressing of polyester film and copper. In the application, it is coiled into a spiral shape and placed inside the equipment. For reinforcement or moisture, it is often infused with epoxy resin as a whole. Mainly used as a flexible circuit board and printed cable, can be used as a connector of the transition line.

At present, the supply of copper clad laminate on the market, from the substrate consideration, mainly can be divided into the following categories: paper substrate, glass fiber cloth substrate, synthetic fiber cloth substrate, non-woven fabric substrate, composite substrate.

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