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:
Aug. 07, 2012
Filed:
Apr. 18, 2008
Applicants:
Tao Xie, Troy, MI (US);
Xingcheng Xiao, Madison Heights, MI (US);
Ruomiao Wang, Warren, MI (US);
Inventors:
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09J 5/00 (2006.01); C04B 37/00 (2006.01); B29C 65/00 (2006.01); B29C 65/10 (2006.01); B32B 37/00 (2006.01); H01L 21/677 (2006.01);
U.S. Cl.
CPC ...
Abstract
One embodiment provides an attachment pad including a multilayer thermo-reversible adhesive including a shape memory polymer layer and a dry adhesive layer underlying the shape memory polymer layer, the multilayer thermo-reversible adhesive having a curved surface when the shape memory polymer layer is below its glass transition temperature and unaffected by a load; and a means for evenly applying a load and/or detaching force on the perimeter of the multilayer thermo-reversible adhesive including a spring.