[특허]Image forming apparatus having dielectric constant relationship between image bearing member, intermediate transfer memb

Image forming apparatus having dielectric constant relationship between image bearing member, intermediate transfer memb 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G03G-015/01
출원번호	US-0705822 (1996-08-30)
우선권정보	JP-0225239 (1995-09-01)
발명자 / 주소	Hiroshima Koichi (Shizuoka-ken JPX) Nishimura Katsuhiko (Yokohama JPX) Kosaka Toru (Machida JPX) Yoda Yasuo (Numazu JPX)
출원인 / 주소	Canon Kabushiki Kaisha (Tokyo JPX 03)
인용정보	피인용 횟수 : 20 인용 특허 : 0

초록 ▼

An image forming apparatus includes a first image-bearing member such as an electrophotographic photosensitive member, an intermediate transfer member for receiving a transferable image formed on the first image-bearing member, and contact transfer device for transferring the transferable image from the intermediate transfer member to a transfer material. The first image-bearing member has a surface layer having a dielectric constant ed, the intermediate transfer member has a surface layer having a dielectric constant eITD and the contact transfer device has a surface layer having a dielectric constant etr satisfying a relationship of; ed≤eITD≤etr. The intermediate transfer member exhibits a volume resistivity of 106-1010 ohm.cm (at an applied voltage of 1 kV), and the contact transfer device exhibits a volume resistivity of 108-1015 ohm.cm (at an applied voltage of 1 kV). As a result, it is possible to obtain high transfer efficiencies in both primary and secondary transfer over a wide transfer bias application range.

대표청구항 ▼

An image forming apparatus, comprising a first image-bearing member, an intermediate transfer member for receiving a transferable image formed on the first image-bearing member, and contact transfer means for transferring the transferable image from the intermediate transfer member to a transfer material; wherein the first image-bearing member has a surface layer having a dielectric constant ed, the intermediate transfer member has a surface layer having a dielectric constant eITD and the contact transfer means has a surface layer having a dielectric constant etr satisfying a relationship of; ed≤eITD≤etr, the intermediate transfer member exhibits a volume resistivity of 106-1010 ohm.cm (at an applied voltage of 1 kV), and the contact transfer means exhibits a volume resistivity of 108-1015 ohm.cm (at an applied voltage of 1 kV).

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Uezono, Tsutomu, Toner cartridge.
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Nozawa, Keita; Kubo, Atsushi; Ito, Masanori; Igarashi, Tomoaki; Suzuki, Kiyokazu, Toner, process for producing a toner, image forming method and image forming apparatus.
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Nozawa, Keita; Kubo, Atsushi; Ito, Masanori; Igarashi, Tomoaki; Suzuki, Kiyokazu, Toner, process for producing a toner, image forming method and image forming apparatus.
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Nozawa, Keita; Kubo, Atsushi; Ito, Masanori; Igarashi, Tomoaki; Suzuki, Kiyokazu, Toner, process for producing a toner, image forming method and image forming apparatus.
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Nozawa,Keita; Kubo,Atsushi; Ito,Masanori; Igarashi,Tomoaki; Suzuki,Kiyokazu, Toner, process for producing a toner, image forming method and image forming apparatus.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Image forming apparatus having dielectric constant relationship between image bearing member, intermediate transfer memb 원문보기

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Image forming apparatus having dielectric constant relationship between image bearing member, intermediate transfer memb 원문보기

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이 특허를 인용한 특허 (20)

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