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. 03, 2002
Filed:
Nov. 07, 2000
Applicant:
Inventors:
Assignee:
Shimazdu Research Laboratory (Europe) Ltd., Manchester, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 4/916 ; H01J 4/900 ; B01D 5/944 ;
U.S. Cl.
CPC ...
H01J 4/916 ; H01J 4/900 ; B01D 5/944 ;
Abstract
The apparatus comprises a sample, an optical element ( ) in the form of a truncated pyramid having at least one reflective surface ( ) and a hole ( ). A laser ( ) directs radiation on to the sample via the reflective surface ( ) and the charged particles are extracted and directed along an extraction axis through the hole ( ).