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:
Jul. 19, 2016
Filed:
Feb. 11, 2015
Applicant:
Jeol Ltd., Tokyo, JP;
Inventors:
Yuji Kohno, Tokyo, JP;
Norikazu Arima, Tokyo, JP;
Assignee:
JEOL Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 37/141 (2006.01);
U.S. Cl.
CPC ...
H01J 37/141 (2013.01); H01J 2237/1415 (2013.01); Y10T 29/4902 (2015.01); Y10T 29/49826 (2015.01);
Abstract
There is disclosed a method of fabricating a smaller-sized multipole lens having polar elements that can be formed with high accuracy. The method starts with forming a first member () having a first yoke () formed integrally with first polar elements (). A second member () having a second yoke () formed integrally with second polar elements () is formed. The first yoke () is made to overlap with the second yoke (). The first member () and the second member () are held.