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. 25, 1994
Filed:
May. 24, 1991
Applicant:
Inventor:
John L Remo, St. James, NY (US);
Assignee:
Quantametrics Inc., St. James, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B / ;
U.S. Cl.
CPC ...
356353 ; 356351 ; 356360 ;
Abstract
The disclosed method and means measure the characteristics of an optical device by directing light waves by normal-incidence sub-aperture interferometry on the optical device, shear-polarizing the light directed onto the optical device, and analyzing the results of the interference to obtain the characteristics of the optical device