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Flex PCB

Number of layers 4 –14 layers standard, 18 layers advanced
Technology highlights Multi-layer boards with a higher connection pad density than standard boards, with finer lines/spaces, smaller via Holes and capture pads allowing microchip to only penetrate select layers and also be placed in surface pads.
HDI builds 1+n+1, 2+N+2, 3+N+3
Materials FR-4 high performance, Halogen-free FR-4, Rogers 4350B
Copper weights (finished) 18um – 70um
PCB thickness 0.40 mm – 3.20 mm
Maximum dimensions 600 mm x 450 mm; dependent upon laser drilling machine
Surface finishes available OSP, ENIG, EESPIG, HAL, LFH ASL Immersion Tin, Immersion Silver, Electroplate gold, Gold Fingers
Minimum mechanical drill 0.15 mm
Minimum laser drill 0.10 mm standard, 0.075 mm advanced
size 10-20

Flex PCB(FPC,Flexible PCB) is a patterned arrangement of printed circuitry and components that utilizes flexible based material with coverlay. These FPC assembled using the same components used for rigid printed circuit boards, but allowing the board to conform to a desired shape (flex) during its application.FPC are used widely in everyday technology and electronics in addition to high-end, complex completed components. A few of the most prominent examples of flexible circuits usage is in modern portable electronics, devices, hard disk drives and desktop printers.

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