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:
Oct. 31, 1988
Applicant:
Inventors:
Wilbur D Johnston, Jr, Mendham, NJ (US);
Charles W Tu, Basking Ridge, NJ (US);
Assignee:
American Telephone and Telegraph Company, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
437 81 ; 148D / ; 148D / ; 148D / ; 156612 ; 437 84 ; 437126 ; 437107 ; 437939 ; 437976 ;
Abstract
A semiconductor epitaxial device structure is described in which there are alternate single crystal layers of semiconductor, insulator and semiconductor. A typical example is InP/CaF.sub.2 /InP. A process for producing such a structure is also described.