DE60122424D1 - Magnetische Trägerteilchen - Google Patents
Magnetische TrägerteilchenInfo
- Publication number
- DE60122424D1 DE60122424D1 DE60122424T DE60122424T DE60122424D1 DE 60122424 D1 DE60122424 D1 DE 60122424D1 DE 60122424 T DE60122424 T DE 60122424T DE 60122424 T DE60122424 T DE 60122424T DE 60122424 D1 DE60122424 D1 DE 60122424D1
- Authority
- DE
- Germany
- Prior art keywords
- carrier particles
- magnetic carrier
- magnetic
- particles
- carrier
- 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 - Lifetime
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
- G03G9/10—Developers with toner particles characterised by carrier particles
- G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
- G03G9/1139—Inorganic components of coatings
-
- 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
- G03G9/1075—Structural characteristics of the carrier particles, e.g. shape or crystallographic structure
-
- 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
-
- 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
- G03G9/1088—Binder-type carrier
-
- 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
- G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
- G03G9/1131—Coating methods; Structure of coatings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Developing Agents For Electrophotography (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US572989 | 2000-05-17 | ||
US09/572,989 US6228549B1 (en) | 2000-05-17 | 2000-05-17 | Magnetic carrier particles |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60122424D1 true DE60122424D1 (de) | 2006-10-05 |
DE60122424T2 DE60122424T2 (de) | 2007-08-23 |
Family
ID=24290185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60122424T Expired - Lifetime DE60122424T2 (de) | 2000-05-17 | 2001-05-04 | Magnetische Trägerteilchen |
Country Status (7)
Country | Link |
---|---|
US (1) | US6228549B1 (de) |
EP (1) | EP1156376B1 (de) |
JP (1) | JP2003533743A (de) |
AU (1) | AU2001261562A1 (de) |
CA (1) | CA2375341A1 (de) |
DE (1) | DE60122424T2 (de) |
WO (1) | WO2001088621A1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6723481B2 (en) * | 2000-05-17 | 2004-04-20 | Heidelberger Druckmaschinen Ag | Method for using hard magnetic carriers in an electrographic process |
US6610451B2 (en) | 2000-12-26 | 2003-08-26 | Heidelberger Druckmaschinen Ag | Development systems for magnetic toners having reduced magnetic loadings |
JP4091538B2 (ja) * | 2003-03-13 | 2008-05-28 | 株式会社リコー | 静電潜像現像用キャリア、現像剤、現像剤容器、画像形成方法及びプロセスカートリッジ |
JP4087324B2 (ja) * | 2003-10-10 | 2008-05-21 | 株式会社リコー | 静電潜像現像剤用キャリア、現像剤、現像装置、現像剤容器、画像形成装置、現像方法及びプロセスカートリッジ |
US20050271961A1 (en) * | 2004-03-05 | 2005-12-08 | Jadwin Thomas A | Substrate and near infrared absorbing toner |
US20060150902A1 (en) * | 2004-03-09 | 2006-07-13 | Eastman Kodak Company | Powder coating apparatus and method of powder coating using an electromagnetic brush |
EP1723474A2 (de) * | 2004-03-09 | 2006-11-22 | Eastman Kodak Company | Pulverbeschichtung unter verwendung eines elektromagnetischen pinsels |
JP4197172B2 (ja) * | 2004-06-30 | 2008-12-17 | パウダーテック株式会社 | 電子写真現像剤用フェライトキャリア及びその製造方法、並びに該フェライトキャリアを用いた電子写真現像剤 |
US7426361B2 (en) * | 2005-09-01 | 2008-09-16 | Eastman Kodak Company | Developer mixing apparatus having four ribbon blenders |
CN102754036B (zh) * | 2010-01-29 | 2014-07-23 | 同和电子科技有限公司 | 电子照相显影剂用载体芯材、电子照相显影剂用载体及电子照相显影剂 |
JP5070323B2 (ja) * | 2010-09-30 | 2012-11-14 | シャープ株式会社 | 2成分現像剤および画像形成方法 |
JP6121675B2 (ja) * | 2012-09-27 | 2017-04-26 | Dowaエレクトロニクス株式会社 | 焼結粒子及びそれを用いた電子写真現像剤用キャリア、電子写真用現像剤並びに焼結粒子の製造方法 |
CN104030668B (zh) * | 2014-05-15 | 2015-06-17 | 浙江大学 | 多共振吸收的锆掺杂钡铁氧体宽频吸波材料及其制备方法 |
JP5812508B1 (ja) * | 2015-05-22 | 2015-11-17 | Dowaエレクトロニクス株式会社 | キャリア芯材並びにそれを用いた電子写真現像用キャリア及び電子写真用現像剤 |
JP6766134B2 (ja) | 2016-04-05 | 2020-10-07 | パウダーテック株式会社 | 電子写真現像剤用フェライトキャリア芯材、電子写真現像剤用フェライトキャリア、電子写真現像剤及び電子写真現像剤用フェライトキャリア芯材の製造方法 |
US10775711B2 (en) | 2016-04-05 | 2020-09-15 | Powdertech Co., Ltd. | Ferrite carrier core material for electrophotographic developer, ferrite carrier for electrophotographic developer, electrophotographic developer, and method for manufacturing ferrite carrier core material for electrophotographic developer |
Family Cites Families (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7006084A (de) | 1969-06-02 | 1970-12-04 | ||
US3795618A (en) | 1972-03-21 | 1974-03-05 | Eastman Kodak Co | Electrographic carrier vehicle and developer composition |
US3795617A (en) | 1972-03-21 | 1974-03-05 | Eastman Kodak Co | Electrographic carrier vehicle and developer composition |
US3893935A (en) | 1972-05-30 | 1975-07-08 | Eastman Kodak Co | Electrographic toner and developer composition |
JPS5123354B2 (de) | 1973-01-16 | 1976-07-16 | ||
US3938992A (en) | 1973-07-18 | 1976-02-17 | Eastman Kodak Company | Electrographic developing composition and process using a fusible, crosslinked binder polymer |
US4042518A (en) | 1973-09-05 | 1977-08-16 | Xerox Corporation | Stoichiometric ferrite carriers |
CA1060696A (en) | 1975-07-09 | 1979-08-21 | Eastman Kodak Company | Electrographic toner and developer composition |
US4076857A (en) | 1976-06-28 | 1978-02-28 | Eastman Kodak Company | Process for developing electrographic images by causing electrical breakdown in the developer |
JPS53127726A (en) | 1977-04-13 | 1978-11-08 | Canon Inc | Electrostatic image developing toner |
AU530410B2 (en) | 1978-02-21 | 1983-07-14 | Sintef | Preparing aqueous emulsions |
US4385823A (en) | 1979-04-16 | 1983-05-31 | Eastman Kodak Company | Method and means for improving maximum density and tonal range of electrographic images |
US4485162A (en) | 1982-02-12 | 1984-11-27 | Tdk Electronics Co., Ltd. | Magnetic carrier powder having a wide chargeable range of electric resistance useful for magnetic brush development |
JPS58202456A (ja) * | 1982-04-07 | 1983-11-25 | Hitachi Metals Ltd | 電子写真用フエライトキヤリア− |
AU555150B2 (en) | 1982-11-08 | 1986-09-11 | Eastman Kodak Company | Electrographic developer composition and method for using thesame |
US4473029A (en) | 1983-07-01 | 1984-09-25 | Eastman Kodak Company | Electrographic magnetic brush development method, apparatus and system |
US4531832A (en) | 1983-08-01 | 1985-07-30 | Eastman Kodak Company | Electrographic apparatus, method and system employing image development adjustment |
US4496643A (en) | 1984-03-23 | 1985-01-29 | Eastman Kodak Company | Two-component dry electrostatic developer composition containing onium charge control agent |
US4764445A (en) | 1987-06-15 | 1988-08-16 | Eastman Kodak Company | Electrographic magnetic carrier particles |
DE3727383A1 (de) * | 1987-08-17 | 1989-03-02 | Basf Ag | Carrier fuer reprographie und verfahren zur herstellung dieser carrier |
US4833060A (en) | 1988-03-21 | 1989-05-23 | Eastman Kodak Company | Polymeric powders having a predetermined and controlled size and size distribution |
US4855206A (en) | 1988-08-05 | 1989-08-08 | Eastman Kodak Company | Rare earth containing magnetic carrier particles |
US4855205A (en) | 1988-08-05 | 1989-08-08 | Eastman Kodak Company | Interdispersed two-phase ferrite composite and carrier therefrom |
US5212038A (en) | 1989-08-21 | 1993-05-18 | Mita Industrial Co., Ltd. | Developer and process for preparation thereof |
US5061586A (en) | 1990-04-05 | 1991-10-29 | Eastman Kodak Company | Glass composite magnetic carrier particles |
US5106714A (en) | 1990-08-01 | 1992-04-21 | Eastman Kodak Company | Interdispersed two-phase ferrite composite and electrographic magnetic carrier particles therefrom |
US5104761A (en) | 1990-09-14 | 1992-04-14 | Eastman Kodak Company | Interdispersed three-phase ferrite composite and electrographic magnetic carrier particles therefrom |
EP0492665B1 (de) | 1990-12-28 | 1998-06-03 | Kyocera Corporation | Elektrophotographische elektrisch leitende magnetische Trägerteilchen, Entwickler mit derartigen Teilchen und Bildherstellungsverfahren |
DE4140900A1 (de) | 1991-12-12 | 1993-06-17 | Basf Ag | Als carrier fuer die elektrophotographie geeignete teilchen |
US5190842A (en) | 1991-12-19 | 1993-03-02 | Eastman Kodak Company | Two phase ferroelectric-ferromagnetic composite carrier |
US5190841A (en) | 1991-12-19 | 1993-03-02 | Eastman Kodak Company | Two-phase ferroelectric-ferromagnetic composite and carrier therefrom |
US5332645A (en) | 1992-09-28 | 1994-07-26 | Eastman Kodak Company | Low dusting carriers |
US5306592A (en) | 1992-10-29 | 1994-04-26 | Eastman Kodak Company | Method of preparing electrographic magnetic carrier particles |
US5268249A (en) | 1992-10-29 | 1993-12-07 | Eastman Kodak Company | Magnetic carrier particles |
JP3155849B2 (ja) | 1993-01-29 | 2001-04-16 | キヤノン株式会社 | 静電荷像現像用現像剤 |
US5376492A (en) | 1993-05-20 | 1994-12-27 | Eastman Kodak Company | Method and apparatus for developing an electrostatic image using a two component developer |
GB9313020D0 (en) | 1993-06-24 | 1993-08-11 | Madge Networks Ltd | Jitter monitoring |
JPH07181743A (ja) | 1993-12-24 | 1995-07-21 | Kao Corp | 電子写真用キャリア及びその製造方法 |
DE4403678A1 (de) | 1994-02-07 | 1995-08-10 | Basf Ag | Metalloxid- und metallbeschichtete Carrier für die Elektrophotographie |
DE4409966A1 (de) * | 1994-03-23 | 1995-09-28 | Basf Ag | Zweifach mit Metalloxid beschichtete Carrier für die Elektrophotographie |
US5424160A (en) | 1994-06-29 | 1995-06-13 | Xerox Corporation | Conductive carrier coatings and processes for the perfection thereof |
US5512403A (en) | 1994-08-05 | 1996-04-30 | Eastman Kodak Company | Mixture of carrier particles useful in electrographic developers |
US5512404A (en) * | 1994-08-29 | 1996-04-30 | Eastman Kodak Company | Developer compositions exhibiting high development speeds |
US5500320A (en) | 1994-08-29 | 1996-03-19 | Eastman Kodak Company | High speed developer compositions with ferrite carriers |
US5654120A (en) * | 1994-10-05 | 1997-08-05 | Toda Kogyo Corporation | Magnetic carrier for electrophotography |
US5705221A (en) * | 1995-08-08 | 1998-01-06 | Eastman Kodak Company | Method of depositing insoluble metal salt deposits on electrostatographic carrier surfaces |
US5737677A (en) | 1995-08-31 | 1998-04-07 | Eastman Kodak Company | Apparatus and method of toner transfer using non-marking toner |
EP0827038B1 (de) | 1996-09-02 | 2001-06-20 | Canon Kabushiki Kaisha | Toner für die Entwicklung elektrostatischer Bilder und Bilderzeugungsverfahren |
US5795692A (en) | 1997-03-31 | 1998-08-18 | Xerox Corporation | Carrier composition and processes thereof |
US5998076A (en) | 1998-03-09 | 1999-12-07 | Xerox Corporation | Carrier |
-
2000
- 2000-05-17 US US09/572,989 patent/US6228549B1/en not_active Expired - Lifetime
-
2001
- 2001-05-04 DE DE60122424T patent/DE60122424T2/de not_active Expired - Lifetime
- 2001-05-04 EP EP01110141A patent/EP1156376B1/de not_active Expired - Lifetime
- 2001-05-14 WO PCT/US2001/015509 patent/WO2001088621A1/en unknown
- 2001-05-14 JP JP2001584953A patent/JP2003533743A/ja active Pending
- 2001-05-14 CA CA002375341A patent/CA2375341A1/en not_active Abandoned
- 2001-05-14 AU AU2001261562A patent/AU2001261562A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US6228549B1 (en) | 2001-05-08 |
WO2001088621A1 (en) | 2001-11-22 |
EP1156376A1 (de) | 2001-11-21 |
EP1156376B1 (de) | 2006-08-23 |
CA2375341A1 (en) | 2001-11-22 |
JP2003533743A (ja) | 2003-11-11 |
AU2001261562A1 (en) | 2001-11-26 |
DE60122424T2 (de) | 2007-08-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |