Electrical resistors – Resistance value responsive to a condition – Current and/or voltage
Patent
1984-09-06
1986-07-22
Albritton, Clarence L.
Electrical resistors
Resistance value responsive to a condition
Current and/or voltage
338 21, 372 81, H01C 710, H01C 713
Patent
active
046022376
ABSTRACT:
A ballast resistor device for use in a gas laser system for stabilizing the operation of the gas laser includes a housing, a ballast resistor element and a filler material filled in the space between the housing and the resistor element is provided. In the preferred embodiment, the filler material is substantially high in dielectric breakdown strength as well as in thermal conductivity, so that the ballast resistor device of the present invention has a rigid structure providing a strong mechanical and electrical durability, not to mention an excellent heat dissipating characteristic thereby allowing to prevent the resistor element from being overheated.
REFERENCES:
patent: 3310766 (1967-05-01), Downing et al.
patent: 4166986 (1979-09-01), Hundstad et al.
patent: 4287484 (1981-09-01), Wang et al.
patent: 4451767 (1984-05-01), Goralnik
patent: 4493087 (1985-01-01), Laakman et al.
patent: 4525230 (1985-06-01), Hetzel et al.
Albritton Clarence L.
Lateef M. M.
Ricoh & Company, Ltd.
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