The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 21, 1978
Filed:
Sep. 14, 1977
Applicant:
Inventors:
Sebastian W Kessler, Jr, Lancaster, PA (US);
John A Olmstead, Somerville, NJ (US);
Assignee:
RCA Corporation, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
357 82 ; 357 38 ; 357 51 ; 357 75 ; 165 80 ; 165105 ;
Abstract
An improvement for a transcalent semiconductor device includes a semiconductor ballast resistor in contact with the emitter regions of a semiconductor transistor. The semiconductor transistor with the ballast resistor in contact therewith is sandwiched between two closed heat pipes wherein one heat pipe is in thermal and electrical contact with the transistor and the other heat pipe is in thermal and electrical contact with the resistor.