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.

Date of Patent:
Sep. 05, 2000

Filed:

Nov. 25, 1998
Applicant:
Inventor:

Keiichiro Kata, Tokyo, JP;

Assignee:

NEC Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
257668 ; 257673 ; 257778 ;
Abstract

An area TAB film has a plurality of first lead lines and a plurality of second lead lines on a base film. Each of first lead lines will be electrically connected to each of peripheral electrode pads while each of second lead lines will be electrically connected to each of inner electrode pads when the chip will be mounted on the TAB film. In this TAB film, the first and the second lead lines have a staggered arrangement from each other and are extended in opposite directions. Practically, the distance or the gap between the first lead lines is wider than that of conventional TAB film. Consequently, the TAB film can cope with an increase of the number of pads with a package size kept unchanged and serves to obtain a low cost package as compared with the conventional TAB film.


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