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:
May. 26, 1998
Filed:
Sep. 25, 1995
Applicant:
Inventors:
Keiichiro Kata, Tokyo, JP;
Shuichi Matsuda, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H05K / ;
U.S. Cl.
CPC ...
257668 ; 257673 ; 257676 ; 257698 ; 257687 ;
Abstract
There is provided a carrier film (130, 140) having a plurality of slits (135) formed by the periphery of a chip mounting region (138) on which a semiconductor chip 10 is to be mounted. The chip mounting region is rectangular and four slits are formed along the four sides of the chip mounting region. The slits may be formed by means of punching with a die or etching.