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:
Nov. 25, 2003
Filed:
Jun. 24, 2002
Applicant:
Inventors:
Assignee:
Nitto Denko Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/120 ; B32B 7/12 ; C09J 7/02 ; H01L 2/348 ; H01L 2/150 ;
U.S. Cl.
CPC ...
B32B 3/120 ; B32B 7/12 ; C09J 7/02 ; H01L 2/348 ; H01L 2/150 ;
Abstract
A process for producing a semiconductor wafer having an adhesive film, by adhering an adhesive film onto a bump-formed surface of a semiconductor wafer having formed thereon bumps with a predetermined arrangement, which comprises: determining a particular arrangement axis direction in which intervals between adjacent linear arrangement axes connecting the bumps becomes the shortest; and adhering the adhesive film in the direction substantially at a right angle with the determined arrangement axis direction, so as to markedly reduce voids included in the adhesion surface upon adhering an adhesive film such as underfill onto a semiconductor wafer.