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. 13, 1989
Filed:
Feb. 05, 1987
Applicant:
Inventors:
Assignee:
Kabushiki Kaisha Toyota Chuo Kenkyusho, Aichi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
357 26 ; 357 16 ; 357-4 ; 73727 ; 338-2 ;
Abstract
There is disclosed an electromechanical semiconductor transducer which is composed of a substrate of a first compound semiconductor and layers of second to fifth compound semiconductors grown on the substrate. The compound semiconductor contains at least one element such as aluminum, gallium, and arsenic selected from Groups III and V of the periodic table. The transducer converts mechanical strain into electrical signals.