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. 19, 2009
Filed:
Jul. 14, 2003
Manabu Sutoh, Chiba Prefecture, JP;
Yoshito Ushio, Chiba Prefecture, JP;
Toyohiko Fujisawa, Chiba Prefecture, JP;
Katsutoshi Mine, Chiba Prefecture, JP;
Manabu Sutoh, Chiba Prefecture, JP;
Yoshito Ushio, Chiba Prefecture, JP;
Toyohiko Fujisawa, Chiba Prefecture, JP;
Katsutoshi Mine, Chiba Prefecture, JP;
Dow Corning Toray Silicone Company, Ltd., Tokyo, JP;
Abstract
A silicone-based adhesive sheet has either a layer of clay-like curable silicone composition on one side and a layer of slower curing clay-like curable silicone composition than the first composition layer on the other side, or a cured silicone layer on one side and a layer of clay-like curable silicone composition on the other side. The silicone-based adhesive sheet may be used in a method for bonding semiconductor chip and a chip attachment component. A semiconductor device may be prepared by the method.