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:
Jan. 29, 1991
Filed:
Oct. 23, 1989
Applicant:
Inventors:
Richard C Woodbury, Provo, UT (US);
Raymond R Perkins, Provo, UT (US);
James M Thorne, Provo, UT (US);
Larry V Knight, Provo, UT (US);
Assignee:
Brigham Young University, Provo, UT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G21K / ; G01N / ; G02B / ; G02B / ;
U.S. Cl.
CPC ...
378145 ; 378 70 ; 378 84 ; 350607 ; 350629 ; 350630 ;
Abstract
A method of treating a substrate having first and second sides with corresponding oppositely facing first and second surfaces, to produce curvature in the first surface. The method includes the steps of removing material, according to a predetermined pattern, from the second side of the substrate, and applying a stress-producing film of material to at least one surface of the substrate to thereby cause the substrate to bend to produce the desired curvature in the first surface.