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Image of flexible printed circuits prior to de-panelization. An Olympus Stylus camera without the case, showing the flex circuit assembly. Flexible electronics, also known as flex circuits, is a technology for assembling electronic circuits by mounting electronic components on flexible plastic substrates, such as polyimide, PEEK or transparent conductive polyester [1] film.
A printed circuit board (PCB), also called printed wiring board (PWB), is a laminated sandwich structure of conductive and insulating layers, each with a pattern of traces, planes and other features (similar to wires on a flat surface) etched from one or more sheet layers of copper laminated onto or between sheet layers of a non-conductive ...
Sanders Associates was one of the premier flexible printed circuit manufacturers during the 1960s and 1970s. It specialized in complex flexible circuit assemblies and specialized printed wiring boards for both the U.S. military and space programs including the Saturn V and Lunar Excursion Module.
Chip-on-flex: Variation of COB, where a chip is mounted directly to a flex circuit. Unlike COB, it may not use wires nor be covered with epoxy, using underfill instead. TAB: Tape-automated bonding: Variation of COF, where a flip chip is mounted directly to a flex circuit without the use of bonding wires. Used by LCD driver ICs. COG: Chip-on-glass
It offers good flexibility and is commonly used in flexible printed circuit boards (PCBs) and other applications where flexibility is required. High-Temperature Rolled Annealed (HTRA) Copper Foil High-Temperature Rolled Annealed copper foil is similar to RA copper foil but undergoes additional heat treatment to enhance its resistance to high ...
Sometimes the term FPC (flexible printed circuit) is even—somewhat inaccurately—used for any type of FFC; [citation needed] however, this is more accurately used to describe etched or printed circuits that incorporate components and are built onto a flexible material. FFCs are usually straight connections without any components.
Unimicron Technology Corporation (Unimicron; TWSE: 3037) is a printed circuit board (PCB) manufacturer headquartered in Taiwan. The company produces PCBs, high density interconnection (HDI) boards, flexible PCBs, rigid flex PCBs, integrated circuit (IC) carriers, and others. In addition, it provides testing and burn-in services of IC substrates ...
Printed circuit technology was released for commercial use in the US in 1948 (Printed Circuits Handbook, 1995). In the over a half-century since its inception, printed electronics has evolved from the production of printed circuit boards (PCBs), through the everyday use of membrane switches, to today's RFID, photovoltaic and electroluminescent ...