Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific voltage responsive fault sensor
Patent
1987-06-23
1988-04-05
Pellinen, A. D.
Electricity: electrical systems and devices
Safety and protection of systems and devices
With specific voltage responsive fault sensor
361100, 361110, 307200B, 3072021, 307304, 357 2313, 357 42, H02H 900
Patent
active
047362715
ABSTRACT:
A protection device (14) for an integrated circuit (12) created on a semiconductor body (24 and 26) utilizes one or more semiconductor diodes (D.sub.L and/or D.sub.H) that have subsurface PN junctions (46 and/or 56) for preventing high-magnitude voltages, such as those generated by electrostatic discharge, from damaging sensitive electronic elements of a protected circuit component (16) formed from part of the body. The device is fabricated by an epitaxial layer/double buried region process.
REFERENCES:
patent: 3673428 (1972-06-01), Athanas
patent: 3967295 (1976-06-01), Stewart
patent: 4602267 (1986-07-01), Shirato
patent: 4605980 (1986-08-01), Hartranft et al.
patent: 4617482 (1986-10-01), Matsuda
Manzoni, "Electrostatic Discharge Protection in Linear ICs," IEEE Trans. Cons. Elec., Aug. 1985, pp. 601-607.
Funk, "Susceptibility of Semiconductors to Electrostatic Damage," Elec. Engrg., Mar. 1983, pp. 51-59.
Lane Richard H.
Mack William D.
Briody T.
Gaffin Jeffrey A.
Meetin R. J.
Oisher J.
Pellinen A. D.
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