Introduction to Flexible Circuit Board (FPC)
A Flexible Circuit Board, also known as FPC, features conductor lines on a flexible surface, with the option of adding a cover layer. The medium has low dielectric constant for excellent insulation and impedance performance, while being thin, flexible, and offering impressive tensile strength and heat dissipation.
Key Characteristics:
- Flexibility:
- FPCs can be bent, folded, or moved repeatedly, distinguishing them from rigid PCBs.
- Structural Variety:
- Designers use different structures like single-sided, double-sided, multi-layer, and rigid-flex boards to meet various needs.
- Types in the Market:
- Common types include printed (Etching) and silk-screened (Polymer Thick Film, PTF) flexible boards.
Market Trends:
- Printed Flexible Boards:
- The most widely used type, made through traditional printing and etching methods.
- Silk-Screened Flexible Boards (PTF):
- Also known as Polymer Thick Film, this type involves screen-printing conductive ink directly on the dielectric film as a conductor.
Design Specification:
- The design specification focuses on the structure and design methods of printed flexible circuit boards (FPC), specifically referring to the flexible printed circuit board.
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