发明名称 Printed circuit board assembly
摘要 A protective cover formed from sheet aluminum, which is used to provide both electrical shielding and mechanical protection for a printed circuit board and its components. The abutting edges of the tubular cover are held in contiguous relationship when the cover is in place, by inturned edges which engage small notches in end plates which are affixed to the printed circuit board.
申请公布号 US4386388(A) 申请公布日期 1983.05.31
申请号 US19810299794 申请日期 1981.09.04
申请人 NORTHERN TELECOM LIMITED 发明人 BEUN, ROGER A.
分类号 H05K9/00;(IPC1-7):H05K5/04;H05K7/14 主分类号 H05K9/00
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