Electricity: conductors and insulators – Anti-inductive structures – Conductor transposition
Patent
1991-10-18
1992-12-15
Picard, Leo P.
Electricity: conductors and insulators
Anti-inductive structures
Conductor transposition
174 35R, 361424, H05K 900
Patent
active
051719363
ABSTRACT:
A box-like housing for an electronics apparatus is provided having superior effects for preventing problems caused by ESD. The wall of the housing is formed by a sandwiched plate consisting of the innermost layer (1) of high electro-conductive material such as a steel plate, the middle layer (2) of electro-insulating material such as plastic, and the outermost layer (3) of low electro-conductive material having much higher resistance compared with the innermost layer (1) such as a carbon-containing paint coating. The innermost layer (1) and the outermost layer (3) are frame-grounded through a common earth line.
(FIG. 1).
REFERENCES:
patent: 5063273 (1991-11-01), Bloks
Suzuki Eiji
Suzuki Toshiaki
Fujitsu Limited
Ledynh Bot Lee
Picard Leo P.
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