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:
Mar. 08, 1983
Filed:
Apr. 08, 1981
Applicant:
Inventors:
Haruhisa Mori, Yokohama, JP;
Hajime Kamioka, Yokohama, JP;
Motoo Nakano, Yokohama, JP;
Nobuo Sasaki, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
148-15 ; 2957 / ; 148187 ; 357 91 ; 427 531 ;
Abstract
A method of producing a semiconductor device which comprises steps of forming an insulator layer on a semiconductor substrate, forming a semiconductor layer on the insulator layer and then annealing the semiconductor layer by means of a first laser with a second laser being applied to the insulator layer to heat it while the first layer is applied to the semiconductor laser.