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:
Sep. 11, 2001
Filed:
Dec. 08, 1999
Applicant:
Inventors:
Oleg V. Kononchuk, Brush Prairie, WA (US);
Stephen L. Martin, Vancouver, WA (US);
Assignee:
SEH America, Inc., Vancouver, WA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B07B 1/500 ;
U.S. Cl.
CPC ...
B07B 1/500 ;
Abstract
A system and method for sorting semiconductor substrates based on substrate thickness. The invention includes weighing each semiconductor substrate to be sorted, and then calculating the thickness of each substrate from its mass, area and density. The system may be configured to automatically sort the substrates according to the weight-based thickness calculations.