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:
Oct. 27, 2009
Filed:
Jan. 08, 2007
Walter Eevers, Genk, BE;
Ann Issaris, Genk, BE;
Yoshiaki Mitsuoka, Genk, BE;
Edwin Thys, Genk, BE;
Yuuzou Akada, Osaka, JP;
Walter Eevers, Genk, BE;
Ann Issaris, Genk, BE;
Yoshiaki Mitsuoka, Genk, BE;
Edwin Thys, Genk, BE;
Yuuzou Akada, Osaka, JP;
Nitto Denko Corporation, Osaka, JP;
Nitto Europe N.V., Genk, BE;
Abstract
The present invention relates to a water-permeable adhesive tape for processing semiconductor wafers and/or semiconductor related materials comprising at least one base film and an adhesive, wherein said at least one base film possesses perforations and has a cavity ratio of 3.0 to 90%. The water-permeable adhesive tape is in particular suitable for dicing semiconductor wafers and/or semiconductor related materials using laser technology.