led components,led PCB board | Global Trade leader ecrobot

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led components,led PCB board

Posting date : Sep 09, 2008

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MACHINERY & ELECTRICAL | Nuclear re

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84-

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Led PCB board indoor: PH6mm, 7.62mm, 10mm, 12mm, 14mm outdoor: PH10mm, 12mm, 16mm, 20mm, 25mm Introduction: A printed circuit board, or PCB, is used to mechanically support and electrically connect electronic components using conductive pathways, or traces, etched from copper sheets laminated onto a non-conductive substrate. Alternative names are printed wiring board (PWB),and etched wiring board. A PCB populated with electronic components is a printed circuit assembly (PCA), also known as a printed circuit board assembly (PCBA). PCBs are rugged, inexpensive, and can be highly reliable. They require much more layout effort and higher initial cost than either wire-wrapped or point-to-point constructed circuits, but are much cheaper and faster for high-volume production. Much of the electronics industry's PCB design, assembly, and quality control needs are set by standards that are published by the IPC organization.