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:
Nov. 13, 2012
Filed:
Jun. 30, 2009
Method and apparatus for making a high resolution light pattern generator on a transparent substrate
Applicants:
Thomas Hough, Dallas, TX (US);
James Bornhorst, De Soto, TX (US);
Inventors:
Thomas Hough, Dallas, TX (US);
James Bornhorst, De Soto, TX (US);
Assignee:
Production Resource Group, L.L.C., New Windsor, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A light pattern generator that can be used to form a gobo for use in a projection optical system. A transparent plate is coated with a stack that is absorptive and reflective. The stack is formed to be ablatable in the form of a pattern. The stack can have multiple different layers with multiple different characteristics, all of which are ablated by the laser.