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:
Apr. 27, 1999
Filed:
Mar. 25, 1994
Applicant:
Inventors:
James Francis Chesko, Sr, Windsor, NY (US);
Yifan Guo, Vestal, NY (US);
Bongtae Han, Endicott, NY (US);
Chun Kil Lim, Vestal, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01B / ;
U.S. Cl.
CPC ...
356 355 ;
Abstract
A moire interferometer which is both portable and shielded from the environment, as well as a corresponding moire interferometric method, are disclosed.