翻訳と辞書 Words near each other ・ prime number theorem ・ prime time ・ primenet, inc. ・ primitive ・ princeton university ・ principal type ・ print ・ print i ・ print server ・ print services facility ・ printed circuit board ・ printer ・ printer access protocol ・ printer port ・ printf ・ printing discussion ・ priority inheritance ・ priority interrupt ・ priority inversion ・ priority queue Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク printed circuit board ： FOLDOC printed circuit board (PCB) A thin board to which electronic components are fixed by solder. Component leads and integrated circuit pins may pass through holes ("vias") in the board or they may be {surface mounted}, in which case no holes are required (though they may still be used to connect different layers). The simplest kind of PCB has components and wires on one side and interconnections (the printed circuit) on the other. PCBs may have components mounted on both sides and may have many internal layers, allowing more connections to fit in the same board area. Boards with internal conductor layers usually have "plated-through holes" to improve the electrical connection to the internal layers. The connections are metal strips (usually copper). The pattern of connections is often produced using photo-resist and acid etching. Boards, especially those for high frequency circuits such as modern microprocessors, usually have one or more "{ground planes}" and "power planes" which are スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.