Invention Grant
- Patent Title: Developing roller, developing device, image forming apparatus, and manufacturing method of developing roller
- Patent Title (中): 显影辊，显影装置，成像装置和显影辊的制造方法
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Application No.: US14574266Application Date: 2014-12-17
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Publication No.: US09304445B2Publication Date: 2016-04-05
- Inventor: Masashi Fujishima , Yuji Kamiyama , Tamotsu Shimizu , Shizuka Okada , Sakae Saito , Yasuhiro Oishi
- Applicant: KYOCERA Document Solutions Inc.
- Applicant Address: JP Osaka-shi
- Assignee: KYOCERA Document Solutions Inc.
- Current Assignee: KYOCERA Document Solutions Inc.
- Current Assignee Address: JP Osaka-shi
- Agency: Alleman Hall McCoy Russell & Tuttle LLP
- Priority: JP2013-264425 20131220
- Main IPC: G03G15/09
- IPC: G03G15/09 ; G03G15/08 ; C23C28/00 ; C25D11/18 ; C25D9/06
Abstract:
A developing roller includes a roller main body disposed to face, without contact, an outer circumferential surface of an image carrier. The roller main body includes an aluminum oxide thin film and a resin coat layer, the aluminum oxide thin film being formed on an outer circumferential surface of a base body that is made of a metal including aluminum, the resin coat layer being formed on a surface of the aluminum oxide thin film that has been subjected to a predetermined heating process, the resin coat layer being made of a resin material and having electric conductivity.
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