DE3479450D1 - Electrophotography method - Google Patents

Electrophotography method

Info

Publication number
DE3479450D1
DE3479450D1 DE8484901395T DE3479450T DE3479450D1 DE 3479450 D1 DE3479450 D1 DE 3479450D1 DE 8484901395 T DE8484901395 T DE 8484901395T DE 3479450 T DE3479450 T DE 3479450T DE 3479450 D1 DE3479450 D1 DE 3479450D1
Authority
DE
Germany
Prior art keywords
electrophotography method
electrophotography
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8484901395T
Other languages
English (en)
Inventor
Tsuneaki Kawanishi
Yasuki Mori
Koji Noguchi
Tsutomu Iimura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Proterial Ltd
Original Assignee
Hitachi Ltd
Hitachi Metals Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=12990008&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3479450(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hitachi Ltd, Hitachi Metals Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE3479450D1 publication Critical patent/DE3479450D1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/0821—Developers with toner particles characterised by physical parameters
    • G03G9/0823—Electric parameters
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G13/00—Electrographic processes using a charge pattern
    • G03G13/06—Developing
    • G03G13/08—Developing using a solid developer, e.g. powder developer
    • G03G13/09—Developing using a solid developer, e.g. powder developer using magnetic brush
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/083—Magnetic toner particles
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/107—Developers with toner particles characterised by carrier particles having magnetic components
    • G03G9/108—Ferrite carrier, e.g. magnetite
    • G03G9/1085—Ferrite carrier, e.g. magnetite with non-ferrous metal oxide, e.g. MgO-Fe2O3

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)
DE8484901395T 1983-04-01 1984-03-28 Electrophotography method Expired DE3479450D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58055124A JPS59182464A (ja) 1983-04-01 1983-04-01 電子写真法
PCT/JP1984/000142 WO1984003955A1 (en) 1983-04-01 1984-03-28 Electrophotography method

Publications (1)

Publication Number Publication Date
DE3479450D1 true DE3479450D1 (en) 1989-09-21

Family

ID=12990008

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484901395T Expired DE3479450D1 (en) 1983-04-01 1984-03-28 Electrophotography method

Country Status (6)

Country Link
US (1) US4640880A (de)
EP (1) EP0139020B2 (de)
JP (1) JPS59182464A (de)
CA (1) CA1213317A (de)
DE (1) DE3479450D1 (de)
WO (1) WO1984003955A1 (de)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6242163A (ja) * 1985-08-20 1987-02-24 Hitachi Metals Ltd 静電荷像現像用現像剤
US4968573A (en) * 1985-12-17 1990-11-06 Konishiroku Photo Industry Co., Ltd. Method of developing electrostatic latent images
JPH0766215B2 (ja) * 1987-03-31 1995-07-19 日立金属株式会社 現像装置
US5260160A (en) * 1988-08-30 1993-11-09 Tdk Corporation Magnetic composition and method for developing electrostatic latent images
AU629240B2 (en) * 1988-09-07 1992-10-01 Tdk Corporation Composition and method for developing electrostatic latent images
JP2885409B2 (ja) * 1989-02-13 1999-04-26 日立金属株式会社 静電荷像現像方法
JPH02226279A (ja) * 1989-02-28 1990-09-07 Fujitsu Ltd 印刷装置の現像器
JP2518684B2 (ja) * 1989-04-10 1996-07-24 株式会社巴川製紙所 反転現像用現像剤
US5071724A (en) * 1989-06-07 1991-12-10 Olin Hunt Sub I Corp. Method for making colored magnetic particles and their use in electrostatographic toner compositions
AU5812490A (en) * 1989-06-07 1991-01-07 Olin Hunt Specialty Products Inc. Method for making colored magnetic particles and their use in electrostatographic toner compositions
US5021315A (en) * 1989-06-07 1991-06-04 Olin Hunt Sub I Corp. Method for making magnetic particles having improved conductivity and their use in electrostatographic printing applications
US5565972A (en) * 1989-11-10 1996-10-15 Asahi Kogaku Kogyo Kabushiki Kaisha Electrophotographic printer using a continuous-form recording sheet
JP2902442B2 (ja) * 1989-11-10 1999-06-07 旭光学工業株式会社 連続用紙プリンタ
JP2851365B2 (ja) * 1989-11-10 1999-01-27 旭光学工業株式会社 蓄積容器の検出装置
JPH0816816B2 (ja) * 1989-11-10 1996-02-21 旭光学工業株式会社 ヒートローラーの温度制御装置
JPH03293929A (ja) * 1989-11-10 1991-12-25 Asahi Optical Co Ltd 電源供給装置
JPH07117793B2 (ja) * 1989-11-10 1995-12-18 旭光学工業株式会社 電子写真装置の転写装置
JP2759527B2 (ja) * 1989-11-22 1998-05-28 鐘淵化学工業株式会社 電子写真現像法
US5484680A (en) * 1990-02-28 1996-01-16 Hitachi Metals, Ltd. Magnetic brush developing method
JPH0812489B2 (ja) * 1990-08-07 1996-02-07 株式会社巴川製紙所 電子写真用現像剤
US5162187A (en) * 1990-08-24 1992-11-10 Xerox Corporation Developer compositions with coated carrier particles
JPH0816791B2 (ja) * 1990-09-11 1996-02-21 株式会社巴川製紙所 電子写真用現像剤
US5790929A (en) * 1991-05-28 1998-08-04 Hitachi Metals, Ltd. Developing apparatus having mixing region
JPH05100500A (ja) * 1991-10-04 1993-04-23 Hitachi Metals Ltd 現像方法
US5429900A (en) * 1991-10-04 1995-07-04 Hitachi Metals, Ltd. Magnetic developer
JPH0812463B2 (ja) * 1991-11-27 1996-02-07 株式会社巴川製紙所 電子写真用現像剤
JP2553400Y2 (ja) * 1992-01-22 1997-11-05 日立金属株式会社 現像装置
JPH0749620A (ja) * 1992-02-24 1995-02-21 Tomoegawa Paper Co Ltd 電子写真用現像剤転写方法
JPH0611951A (ja) * 1992-06-26 1994-01-21 Hitachi Metals Ltd 電子写真プリンタ
JP2879870B2 (ja) * 1992-07-17 1999-04-05 日立金属株式会社 画像形成方法
DE69424711T2 (de) * 1993-03-23 2000-09-28 Kyocera Corp Körniges Aufladungsmittel, Aufladungsverfahren, und Bildherstellungsverfahren, wobei dieses Aufladungsmittel eingesetzt wird
JP3812955B2 (ja) * 1993-08-24 2006-08-23 株式会社Ｎｅｏｍａｘ 現像剤用キャリアおよびそれを使用した画像形成方法
JP3009576B2 (ja) * 1993-12-03 2000-02-14 日立金属株式会社 二成分系現像剤およびそれを使用した画像形成方法
US5422708A (en) * 1993-12-23 1995-06-06 Morris; Troy Apparatus and method for metering toner in laser printers
US5506084A (en) * 1993-12-27 1996-04-09 Brother Kogyo Kabushiki Kaisha Magnetic developer and developing device using same
JPH07261454A (ja) * 1994-03-17 1995-10-13 Hitachi Metals Ltd 二成分系現像剤
US5523549A (en) * 1994-05-25 1996-06-04 Ceramic Powders, Inc. Ferrite compositions for use in a microwave oven
JPH086305A (ja) * 1994-06-22 1996-01-12 Hitachi Metals Ltd 現像剤用磁性キャリア
US6342273B1 (en) 1994-11-16 2002-01-29 Dsm N.V. Process for coating a substrate with a powder paint composition
JP3173321B2 (ja) * 1995-05-16 2001-06-04 ブラザー工業株式会社 現像方法
JP3261946B2 (ja) * 1995-10-12 2002-03-04 ミノルタ株式会社 静電荷像現像用キャリア
US6141519A (en) * 1996-12-05 2000-10-31 Brother Kogyo Kabushiki Kaisha Image-forming apparatus having at least one of additives in the non-magnetic single-component toner exhibiting electrical conductivity
JPH11212357A (ja) * 1998-01-23 1999-08-06 Brother Ind Ltd 画像形成装置
JP2000172078A (ja) * 1998-12-04 2000-06-23 Fuji Xerox Co Ltd 画像形成方法
KR20110067170A (ko) * 2005-09-29 2011-06-21 도와 일렉트로닉스 가부시키가이샤 전자 사진 현상용 캐리어 심재, 전자 사진 현상용 캐리어 및 그 제조방법, 및 전자 사진 현상제

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5045639A (de) * 1973-08-27 1975-04-23
JPS5826026B2 (ja) * 1974-02-01 1983-05-31 京セラミタ株式会社 転写方法
DE2847768C2 (de) * 1977-11-05 1985-07-11 Minolta Camera K.K., Osaka Elektrophotographisches Entwicklungsverfahren
JPS54116233A (en) * 1978-02-24 1979-09-10 Hitachi Metals Ltd Developing method
JPS55126266A (en) * 1979-03-23 1980-09-29 Hitachi Metals Ltd Electrophotographic method
US4294904A (en) * 1979-11-21 1981-10-13 Xerox Corporation Inductive development materials for a magnetic development process
JPS5699350A (en) * 1980-01-11 1981-08-10 Canon Inc Developing method
JPS56123552A (en) * 1980-03-05 1981-09-28 Nec Corp Developing powder
JPS56159653A (en) * 1980-05-13 1981-12-09 Ricoh Co Ltd Developer for electrostatic latent image
US4368970A (en) * 1980-06-02 1983-01-18 Xerox Corporation Development process and apparatus
JPS5797545A (en) * 1980-12-10 1982-06-17 Hitachi Metals Ltd Magnetic toner for electrophotography
JPS57124356A (en) * 1981-01-26 1982-08-03 Mita Ind Co Ltd Binary magnetic developer
JPS57155553A (en) * 1981-03-23 1982-09-25 Mita Ind Co Ltd Electrostatic image developing method
JPS5994763A (ja) * 1982-11-22 1984-05-31 Mita Ind Co Ltd 磁気ブラシ現像用二成分系現像剤
US4540645A (en) * 1983-01-31 1985-09-10 Mita Industrial Co Ltd Magnetic brush development method

Also Published As

Publication number Publication date
EP0139020B1 (de) 1989-08-16
JPS59182464A (ja) 1984-10-17
EP0139020B2 (de) 1993-12-29
EP0139020A4 (de) 1986-01-07
JPH0231383B2 (de) 1990-07-12
EP0139020A1 (de) 1985-05-02
WO1984003955A1 (en) 1984-10-11
CA1213317A (en) 1986-10-28
US4640880A (en) 1987-02-03

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8339 Ceased/non-payment of the annual fee