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:
Sep. 20, 2011
Filed:
Mar. 07, 2008
Eric G. Larson, Lake Elmo, MN (US);
Michael A. Kropp, Cottage Grove, MN (US);
David J. Plaut, Minneapolis, MN (US);
Cheryl L. Moore, Afton, MN (US);
Eric G. Larson, Lake Elmo, MN (US);
Michael A. Kropp, Cottage Grove, MN (US);
David J. Plaut, Minneapolis, MN (US);
Cheryl L. Moore, Afton, MN (US);
3M Innovative Properties Company, Saint Paul, MN (US);
Abstract
Provided is a single layer adhesive that provides the appropriate balance of adhesion and clean release required for a wafer dicing function and also provides the necessary bond required in a subsequent die attach step. The adhesive composition comprises an acrylate ester polymer having a functional group, a multi-functional thermosetting resin, wherein the acrylate ester polymer and the thermosetting resin are capable of reacting with each other, a multi-functional acrylate ester, an acrylate ester polymerization catalyst or curing agent, a thermally-latent catalyst suitable for curing the multi-functional thermosetting resin, and an acrylic acid salt.