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. 28, 2014
Filed:
Feb. 07, 2007
Mark A. Roehrig, Stillwater, MN (US);
Yufeng Liu, Woodbury, MN (US);
Robert W. Peterson, Spring Valley, WI (US);
Mark A. Roehrig, Stillwater, MN (US);
Yufeng Liu, Woodbury, MN (US);
Robert W. Peterson, Spring Valley, WI (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A method for preparing a flexible film substrate with a low glass transition temperature can be used in the production of an article that retains dimensions and improves the surface smoothness after high temperature processing. The invention, for example, would enable low temperature films such as PET and PEN to be dimensionally stable and ultra flat at conditions commonly used in electronic processing which can typically exceed 200° C. More specifically, the methods enable the use of e.g. barrier films based on PET or PEN in OLED/PLED manufacturing.