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. 09, 2002
Filed:
Oct. 02, 2000
Kazuhiko Yanagida, Minami-Ashigara, JP;
Suk Kim, Minami-Ashigara, JP;
Shigeru Inaba, Ashigarakami-gun, JP;
Taku Fukuhara, Ashigarakami-gun, JP;
Yasuhiro Oda, Ashigarakami-gun, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
The present invention discloses a carrier, which comprises a core and a resin coating layer formed thereon containing electroconductive powder, wherein, when the magnetic brush is formed only of the core, the dynamic electrical resistance of the core forming the magnetic brush under an electric field of 10 V/cm is 1 &OHgr;·cm or less and the electrical resistance of the resin coating layer is from 10 to 1×10 &OHgr;·cm, a developer using the carrier, and an image-forming method using the developer. Owing to the present invention, a superior solid image, which is free of brush marks and carrier beads carry over, can be obtained.