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:
Nov. 10, 1992
Filed:
Feb. 01, 1990
Applicant:
Inventors:
Siegfried Birkle, Hoechstadt A/Aisch, DE;
Johann Kammermaier, Unterhaching, DE;
Gerhard Schmidt, Forchheim, DE;
Rolf-W Schulte, Erlangen, DE;
Assignee:
Siemens Aktiengesellschaft, Berlin & Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
257636 ; 430 67 ; 257 63 ;
Abstract
Hard, mechanically and chemically stable protective layers for electroactive passivation layers of semiconductor components, which also act as diffusion barriers against moisture and ions, comprise a thin layer of amorphous, hydrogenated carbon.