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:
Oct. 08, 2019
Filed:
Jun. 13, 2016
3m Innovative Properties Company, St. Paul, MN (US);
Martin B. Wolk, Woodbury, MN (US);
Thomas J. Metzler, St. Paul, MN (US);
Samuel J. Carpenter, Shoreview, MN (US);
Denis Terzic, Minnetonka, MN (US);
Mitchell T. Nommensen, Oak Creek, WI (US);
Suman K. Patel, Woodbury, MN (US);
Mikhail L. Pekurovsky, Bloomington, MN (US);
Donald G. Peterson, Shoreview, MN (US);
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Abstract
The present disclosure relates to segmented transfer tapes useful in the transfer of only a portion of the segments of the transfer tapes and methods of making thereof. The segmented transfer tapes include a removable template layer having a structured surface; a transfer layer comprising a backfill layer, wherein the backfill layer has a structured first major surface, and an adhesive layer; at least one transferable segment formed in the transfer layer; at least one non-transferable segment formed in the transfer layer, the at least one non-transferable segment includes an adhesive surface, wherein a passivating layer is disposed on at least a portion of the adhesive surface of the at least one non-transferrable segment; and at least one kerf extending from the first major surface of the adhesive layer and into at least a portion of the removable template layer. The present disclosure also provides micro-optical assemblies and methods of making micro-optical assemblies from the segmented transfer tapes.