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. 05, 2014
Filed:
Feb. 07, 2012
Timothy D. Fletcher, Lino Lakes, MN (US);
Todd J. Christianson, Oakdale, MN (US);
Vincent D. Romero, Maplewood, MN (US);
Bruce A. Sventek, St. Paul, MN (US);
Timothy D. Fletcher, Lino Lakes, MN (US);
Todd J. Christianson, Oakdale, MN (US);
Vincent D. Romero, Maplewood, MN (US);
Bruce A. Sventek, St. Paul, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Provided is a lapping carrier including a base carrier having a first major surface, a second major surface and at least one aperture for holding a workpiece. The aperture extends from the first major surface through the base carrier to the second major surface. The base carrier includes a first metal or a polymer. At least a portion of the first major surface or at least a portion of each of the first and the second major surfaces includes a polymeric region. In at least a portion of the polymeric region, at least one adhesion promoting layer is interposed between the polymeric region and the base carrier. The adhesion promoting layer includes an inorganic coating.