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:
Jun. 19, 1990
Filed:
Jun. 12, 1989
Applicant:
Inventors:
Michael L Reed, O'Hara Township, Allegheny County, PA (US);
Tuviah E Schlesinger, Mount Lebanon Township, Allegheny County, PA (US);
Assignee:
Carnegie Mellon University, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S / ; H01L / ;
U.S. Cl.
CPC ...
372 44 ; 357 17 ; 357 26 ; 357 75 ; 357 79 ; 372 46 ;
Abstract
This invention relates to an electrically tunable semiconductor device. At least one thin film of piezoelectric substance is positioned in stress transmitting relation to the semiconductor-device and a signal from an electrical circuit causes the piezoelectric to transmit stress to the semiconductor thereby varying the response of the semiconductor device.