Electricity: electrical systems and devices – Discharging or preventing accumulation of electric charge – Specific conduction means or dissipator
Patent
1985-09-13
1987-06-30
Hix, L. T.
Electricity: electrical systems and devices
Discharging or preventing accumulation of electric charge
Specific conduction means or dissipator
361 56, 361 91, 206331, H02H 904, H05K 706
Patent
active
046775200
ABSTRACT:
A protective device for integrated circuits and the like which protects the circuit from static charges and induced voltages resulting from static charges and otherwise. Electrical connections are made to the leads of the circuit terminating in non-contacting relationship within a chamber filled with an ionizable gas. A conductive material is spaced equally on the terminations and connected to the lowest potential of the circuit, typically ground. Over voltages from static charges and the like cause the gas to ionize and discharge the over voltage. A second shield of conductive material is disposed between the gas filled chamber and the circuit and, in turn, connected to an independent point within the chamber. Fields produced as a result of a static discharge, or otherwise, which otherwise would induce over voltages into the circuit cause an induction voltage into the shield material which voltage is then discharged through the ionizable gas.
REFERENCES:
patent: 3820152 (1974-06-01), Booth
patent: 4458291 (1984-07-01), Yanagisawa et al.
patent: 4532419 (1985-07-01), Takeda
patent: 4617605 (1986-10-01), Obrecht et al.
Hix L. T,.
Rutledge D.
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