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. 09, 1982
Filed:
Jun. 25, 1979
Applicant:
Inventor:
Hartmut Runge, Kirchseeon, DE;
Assignee:
Siemens Aktiengesellschaft, Berlin & Munich, DE;
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
2191 / ; 148-15 ; 2191 / ;
Abstract
Semiconductor components and integrated semiconductor circuits which are produced in a semiconductor crystal wafer are provided with a getter layer on the back side (opposite the active device side) of a semiconductor crystal wafer by controllably irradiating such back side with laser light pulses.