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:
Nov. 08, 2011
Filed:
Jan. 20, 2006
Applicants:
Katsushi Nakano, Kamagaya, JP;
Shigeru Morimoto, Kamagaya, JP;
Shigeki Kageyama, Fukaya, JP;
Inventors:
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 41/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A linear motor is equipped with a coil body (), and a yoke () that supports a magnetism generating body () and that moves relative to the coil body (). The yoke () has a first portion () that is formed from a magnetic material and disposed based on the saturation state of the magnetic field, which is generated by the magnetism generating body (), in the yoke ().