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. 08, 2008
Filed:
Nov. 18, 2005
Applicants:
Randy Neaman Siade, Chandler, AZ (US);
James Mason Brafford, Mission Viejo, CA (US);
James Downie, Mission Viejo, CA (US);
Inventors:
Randy Neaman Siade, Chandler, AZ (US);
James Mason Brafford, Mission Viejo, CA (US);
James Downie, Mission Viejo, CA (US);
Assignee:
Delta Design, Inc., Poway, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of automatically carrying IC-chips, on a planar array of vacuum nozzles, to a variable target in a chip tester uses a set of laser distance sensors to align the vacuum nozzles with the target. Alignment occurs when certain combinations of distance and distance changes are sensed.