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:
Feb. 11, 1992
Filed:
Apr. 12, 1991
Clyde D Calhoun, St. Paul, MN (US);
James G Berg, St. Paul, MN (US);
David C Koskenmaki, St. Paul, MN (US);
Robert M Swinehart, St. Paul, MN (US);
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Abstract
An edhesive tape has a flexible carrier web that has a low-adhesion face formed with a predetermined pattern of dimples, each of which contains a plurality of electrically conductive particles that can either be loose or bound together into clusters by a binder. An adhesive layer covers said face and deposited particles and can be a pressure-sensitive adhesive or a heat-activatable adhesive. When the adhesive layer is separated from the carrier web, it carries along the particles. When the particle-bearing adhesive layer is used to bond together two arrays of electrodes, facing pairs of the electrodes are electrically interconnected either by single particles or by clusters of the particles. When a binder is used to bind the electrically conductive particles into clusters, the binder can add to the strength of the adhesive bond between the electrode-bearing surfaces.