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:
Feb. 13, 1996
Filed:
Sep. 23, 1993
Applicant:
Inventors:
Philippe Knauth, Marseille Cedex, FR;
Horst Lange, Bochum, DE;
Ingo Schwirtlich, Krefeld, DE;
Karsten Wambach, Ratigen, DE;
Assignee:
Bayer Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C30B / ;
U.S. Cl.
CPC ...
117 43 ; 117 41 ; 117 42 ; 117 46 ; 117 47 ; 117933 ;
Abstract
High purity semiconductor foils, such as silicon foils useful in solar energy cells, are produced by treating an impure semiconductor foil with at least one reactive gas while in the crystallizing state.
Quick Actions:
Knauth, Philippe. (1996). Process for the production of semiconductor foils and their use (U.S. Patent No. 5490477). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5490477
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