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:
Jul. 08, 2008
Filed:
Oct. 10, 2002
Bruce E. Tait, Woodbury, MN (US);
Steven J. Dobrzynski, Osceola, WI (US);
David K. Mortenson, White Bear Lake, MN (US);
John A. Wheatley, Lake Elmo, MN (US);
Bruce E. Tait, Woodbury, MN (US);
Steven J. Dobrzynski, Osceola, WI (US);
David K. Mortenson, White Bear Lake, MN (US);
John A. Wheatley, Lake Elmo, MN (US);
3M Innovative Properties Company, Saint Paul, MN (US);
Abstract
Polymeric multilayer optical films, and laminate bodies that include such films, are provided with a melt zone that extends between a first and second portion of the multilayer optical film. If a shearing operation or other external influence acts on the film in the first portion that causes delamination of individual layers of the multilayer optical film, the melt zone is effective to prevent the delamination from propagating from the first portion to the second portion. The melt zone is characterized at least in part by a deformation of individual layers of the multilayer optical film. The melt zone can be positioned to extend along and proximate to some or all of a periphery of the multilayer optical film.