Self protective decoupling capacitor structure

Details Self protective decoupling capacitor structure Self protective decoupling capacitor structure

1992-12-17

1995-02-28

Lateef, Marvin M.

Electricity: electrical systems and devices

Electrostatic capacitors

With protection or compensating means

3612754, 3612752, 3613061, 361328, H01G 111

Patent

active

053942949

ABSTRACT:
An integrated circuit decoupling capacitor is divided into a plurality of discrete segments. The segments are connected electrically in parallel and are redundant to an extent that if one segment (or if desired more than one segment) fails, the remaining segments have sufficient capacitance to provide the required decoupling function. Each decoupling capacitor segment has a fuse connected in series with it. The fuse opens in response to a fault in a decoupling capacitor segment that would otherwise cause that segment to short the power supply to ground.

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IBM Technical Disclosure Bulletin, vol. 29, No. 11, Apr. 1987, Morrison et al, "Ceramic Chip Capacitor Fusing Mechanism," pp. 5084-5085.
IBM Technical Disclosure Bulletin, vol. 31, No. 11, Apr. 1989, Zalesski, "Fused Decoupling Capacitor with Test Electrode," pp. 53-55.

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