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:
Jul. 25, 1978
Filed:
Nov. 08, 1976
Applicant:
Inventors:
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
156645 ; 29580 ; 148187 ; 156657 ;
Abstract
Semiconductor device elements are formed in a cavity portion on one main surface of a large diameter wafer, the cavity portion being protected by a frame body formed at the peripheral portion of the wafer. The semiconductor device elements are separated into individual semiconductor devices.