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:
Jun. 16, 1987
Filed:
Aug. 19, 1985
Applicant:
Inventor:
Heinz Westermeier, Neubiberg, DE;
Assignee:
Siemens Aktiengesellschaft, Berlin and Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; B01J / ;
U.S. Cl.
CPC ...
2956 / ; 29580 ; 29583 ; 29591 ; 148-15 ; 372 36 ;
Abstract
For adjustment of heat sinks to be applied to a wafer being used to form a plurality of semiconductor diodes, a mask is applied to the wafer. Openings of the mask are offset in rows relative to one another for the electrolytic deposition of the material of the heat sinks such that optimum exploitation of the wafer surface is achieved. Sufficient space remains for placement of scoring lines on the wafer surface to facilitate breaking of the wafer first into individual ingots, and then into separate laser diodes. End faces of the heat sinks are arranged close to minor faces of the diodes by appropriate placement of the scoring lines.