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:
Dec. 07, 1999
Filed:
Jun. 25, 1997
Thomas A Isberg, Apple Valley, MN (US);
Claire A Jalbert, Cottage Grove, MN (US);
John S Staral, Woodbury, MN (US);
William A Tolbert, Woodbury, MN (US);
Martin B Wolk, Woodbury, MN (US);
3M Innovative Properties, St. Paul, MN (US);
Abstract
A process is described for forming an emissive or phosphor screen. The process comprises the steps of: a) providing a thermal mass donor element comprising a substrate with a front side and a back side, with a coating of emissive material or phosphor adhered to said front side of said substrate, b) placing said coating of emissive material or phosphor adjacent to a support layer, c) addressing said mass donor element with coherent radiation to heat at least a portion of said coating of emissive material or phosphor to locally transfer at least some of said emissive material or phosphor to said support layer, d) repeating step c) a sufficient number of times to provide a coating of transferred emissive material or phosphor on said support layer in an area of at least 1 square centimeter.