What are the materials of FPC cable connector?

I.What are the materials for FPC cable connector? Flexible connector copper foil is suitable for flexible circuits and can be electrodeposited, flexible connectors can be used for flexible connector structures, and can also be used for electroplating. Electrodeposited copper foil has a glossy surface on one side and no luster on the other. This is a flexible material that can be made in many thicknesses and widths. There are specially treated copper foils on the sandpaper side, usually to improve their adhesion. Board-to-board connectors, FPC connectors insulating film material polyimide, but currently nearly 80% of U.S. manufacturers use polyester, about 20% of manufacturers use polyester. Polyimide materials are non-flammable, geometrically stable, have high tensile strength and are resistant to soldering temperatures. Then there is polyester, also known as polyethylene dicarboxylate, which has physical properties similar to polyimide, a low dielectric constant, absorbs very little moisture and is not heat resistant. Polyesters have a melting point of 250 ° c and a glass transition temperature (tg) of 80 °c, which limits their use in applications requiring extensive end welding. In low-temperature applications, they appear to be very hard. However, they are suitable for cell phones and other products that do not require exposure to harsh environments.Adhesives for FPC connectors. In addition to bonding insulating films to conductive materials, adhesives are also used as shields, protectors and shielding. The main difference between these two methods of application is different. coating bonding coating the insulating film is to form a layered circuit structure.

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