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:
Oct. 12, 1999
Filed:
Apr. 24, 1996
Applicant:
Inventor:
Peter G Borden, San Mateo, CA (US);
Assignee:
Boxer Cross, Inc., Menlo Park, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R / ;
U.S. Cl.
CPC ...
324752 ; 324750 ; 324765 ;
Abstract
A system for measuring a property of a semiconductor substrate, wherein an analyzer beam is generated and transmitted to the substrate, and a generation beam, superposed on top of the analyzer beam, is also generated and transmitted to the substrate. A response generated by the generation beam, in the substrate, causes a change in a predetermined characteristic of the analyzer beam that is measured by a detector. The property of the substrate is then determined from the change in a predetermined characteristic. The property measuring system may be used in a semiconductor fabrication process.