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. 23, 2012
Filed:
Aug. 16, 2011
Applicants:
Yan Zhao, San Jose, CA (US);
Jack Jau, Los Altos Hills, CA (US);
Yi-xiang Wang, Fremont, CA (US);
Inventors:
Assignee:
Hermes Microvision Inc., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 23/00 (2006.01); G21K 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus and method are introduced in this invention to reduce the edge effect of a substrate that causes image variation or distortion due to applied substrate bias. An edge plate with an edge effect eliminator are provided such that substrate is inspected by a charged particle beam can capture images without distortion at substrate edge.