Electrically insulating sheet with good heat conductivity

Details Electrically insulating sheet with good heat conductivity Electrically insulating sheet with good heat conductivity

1982-03-17

1984-09-18

McCamish, Marion E.

Stock material or miscellaneous articles

Composite

Of silicon containing

428215, 428446, B32B 904, B32B 702

Patent

active

044724837

ABSTRACT:
The invention provides an electrically insulating spacer sheet of a silicone rubber used as sandwiched between a heat-generating electric or electronic device or unit, e.g. power transistor, and a heat radiator capable of dissipating the heat with improved heat conductivity. Different from conventional ones, the inventive spacer sheet has coating layers on both surfaces formed of a non-volatile flowable or deformable silicone material so that the condition of adhesive contacting can be greatly improved and the resistance against thermal flow across the spacer sheet can be decreased very much.

REFERENCES:
patent: 3762978 (1973-10-01), Holmes et al.
patent: 4332844 (1972-06-01), Hamada et al.
patent: 4433007 (1984-02-01), Marwitz et al.

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