Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent
1986-05-20
1988-05-03
Kucia, R. R.
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
174 52FP, 361401, 357 70, H05K 102
Patent
active
047424311
ABSTRACT:
A printed wiring board comprising a main printed wiring board provided with a first wiring pattern, and an auxiliary flexible printed wiring board, provided with a second wiring pattern for modifying the first wiring pattern and bonded to the main printed wiring board so as to electrically connect the second wiring pattern to a desired part of the first wiring pattern. The auxiliary board may be affixed to the main board with a pressure-sensitive adhesive or thermosetting adhesive. The auxiliary board may be provided with marks for facilitating alignment, holes to provide access to the main board, a dummy pattern for preventing tears of the flexible auxiliary board, and a second dummy pattern to prevent warping from uneven stresses applied to the flexible auxiliary board by differences in thermal expansion of the auxiliary board and the pattern printed thereon. A method of making the board is also disclosed and claimed.
REFERENCES:
patent: 3179913 (1965-04-01), Mittler et al.
patent: 3968563 (1976-07-01), Hamlin
patent: 4049903 (1977-09-01), Kobler
patent: 4234666 (1980-11-01), Gursky
patent: 4316320 (1982-02-01), Nogawa et al.
patent: 4343083 (1982-08-01), Takemura et al.
patent: 4621278 (1986-11-01), Miura
Hugle Industries, IC Ribbons, Electronics, V. 40, #15, Jul. 24, 1967, printed by McGraw-Hill, N.Y., N.Y., pp. 36 & 37.
Circuit-Stik Inc., catalog #501, Gardenia, CA, 1970, 16 pages.
Kabushiki Kaisha Toshiba
Kucia R. R.
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