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:
Jan. 08, 1985
Filed:
Aug. 18, 1983
Applicant:
Inventors:
Assignee:
Siemens Aktiengesellschaft, Berlin & Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
136256 ; 136258 ; 357 30 ; 357 65 ; 2041 / ; 427 91 ;
Abstract
Solar cells having a semiconductor body composed of amorphous silicon which is applied to a substrate coated at least at one surface thereof with aluminum, functioning as a back contact. Recrystallization is prevented by alloying silicon or silicon/titanium into the aluminum layer so that the amounts of silicon within the alloy is, in preferred embodiments, about 1.3% by weight and, with the presence of 0.1% by weight titanium, is at about 1.2% by weight.