DE69511209T2 - Magnetischer Träger für Elektrophotographie - Google Patents
Magnetischer Träger für ElektrophotographieInfo
- Publication number
- DE69511209T2 DE69511209T2 DE69511209T DE69511209T DE69511209T2 DE 69511209 T2 DE69511209 T2 DE 69511209T2 DE 69511209 T DE69511209 T DE 69511209T DE 69511209 T DE69511209 T DE 69511209T DE 69511209 T2 DE69511209 T2 DE 69511209T2
- Authority
- DE
- Germany
- Prior art keywords
- electrophotography
- magnetic support
- magnetic
- support
- 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 - Fee Related
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
- G03G9/1132—Macromolecular components of coatings
- G03G9/1133—Macromolecular components of coatings obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- G03G9/10882—Binder is obtained by reactions only involving carbon-carbon unsaturated bonds
-
- 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
- G03G9/10884—Binder is obtained other than by reactions only involving carbon-carbon unsaturated bonds
-
- 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
- G03G9/1132—Macromolecular components of coatings
- G03G9/1137—Macromolecular components of coatings being crosslinked
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Developing Agents For Electrophotography (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP26624894A JP3259749B2 (ja) | 1994-10-05 | 1994-10-05 | 電子写真用磁性キャリア |
JP26624994A JP3257578B2 (ja) | 1994-10-05 | 1994-10-05 | 電子写真用磁性キャリア |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69511209D1 DE69511209D1 (de) | 1999-09-09 |
DE69511209T2 true DE69511209T2 (de) | 1999-11-25 |
Family
ID=26547361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69511209T Expired - Fee Related DE69511209T2 (de) | 1994-10-05 | 1995-10-04 | Magnetischer Träger für Elektrophotographie |
Country Status (3)
Country | Link |
---|---|
US (1) | US5654120A (de) |
EP (1) | EP0708379B1 (de) |
DE (1) | DE69511209T2 (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6010811A (en) * | 1994-10-05 | 2000-01-04 | Canon Kabushiki Kaisha | Two-component type developer, developing method and image forming method |
EP0801335B1 (de) * | 1996-04-08 | 2001-08-29 | Canon Kabushiki Kaisha | Beschichtete magnetische Trägerteilchen, zwei-Komponententyp-Entwickler und Entwicklungsverfahren |
US6165663A (en) * | 1996-04-08 | 2000-12-26 | Canon Kabushiki Kaisha | Magnetic coated carrier two-component type developer and developing method |
JPH10301337A (ja) * | 1996-12-24 | 1998-11-13 | Fuji Xerox Co Ltd | 静電潜像現像剤用キャリア、静電潜像現像剤、画像形成方法、および画像形成装置 |
JP3397229B2 (ja) * | 1997-03-27 | 2003-04-14 | 戸田工業株式会社 | 球状複合体粒子粉末及び該粒子粉末からなる電子写真用磁性キャリア |
JP3305236B2 (ja) * | 1997-07-04 | 2002-07-22 | 戸田工業株式会社 | 電子写真用磁性キャリア及びその製造法 |
JP3927693B2 (ja) * | 1998-07-22 | 2007-06-13 | キヤノン株式会社 | 磁性微粒子分散型樹脂キャリア,二成分系現像剤及び画像形成方法 |
EP0999478B1 (de) * | 1998-11-06 | 2007-01-10 | Canon Kabushiki Kaisha | Zwei-Komponenten-Entwickler und Bildherstellungsverfahren |
EP0999477B1 (de) * | 1998-11-06 | 2005-11-02 | Toda Kogyo Corporation | Elektrophotographischer magnetischer Träger |
JP4323684B2 (ja) * | 1999-06-30 | 2009-09-02 | キヤノン株式会社 | 磁性体分散型樹脂キャリアの製造方法 |
US6723481B2 (en) | 2000-05-17 | 2004-04-20 | Heidelberger Druckmaschinen Ag | Method for using hard magnetic carriers in an electrographic process |
WO2001088623A1 (en) * | 2000-05-17 | 2001-11-22 | Heidelberg Digital L.L.C. | Method for using hard magnetic carriers in an electrographic process |
US6228549B1 (en) * | 2000-05-17 | 2001-05-08 | Heidelberg Digital L.L.C. | Magnetic carrier particles |
JP2001351811A (ja) | 2000-05-25 | 2001-12-21 | National Institute Of Advanced Industrial & Technology | 錫含有粒状磁性酸化物粒子およびその製造方法 |
US6610451B2 (en) * | 2000-12-26 | 2003-08-26 | Heidelberger Druckmaschinen Ag | Development systems for magnetic toners having reduced magnetic loadings |
JP2002214846A (ja) * | 2001-01-17 | 2002-07-31 | Fuji Xerox Co Ltd | 静電潜像現像用キャリア、静電潜像現像剤及び画像形成方法 |
JP4004022B2 (ja) * | 2001-11-26 | 2007-11-07 | 株式会社リコー | 現像装置及び画像形成装置 |
WO2010140677A1 (ja) | 2009-06-04 | 2010-12-09 | 戸田工業株式会社 | 電子写真現像剤用磁性キャリア及びその製造方法、並びに二成分系現像剤 |
JP5760599B2 (ja) * | 2011-03-31 | 2015-08-12 | 戸田工業株式会社 | 磁性酸化鉄粒子粉末 |
JP6569173B2 (ja) * | 2015-01-28 | 2019-09-04 | パウダーテック株式会社 | 外殻構造を有するフェライト粒子 |
JP6225400B2 (ja) * | 2015-01-28 | 2017-11-08 | パウダーテック株式会社 | 外殻構造を有する触媒担持体用フェライト粒子 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA974115A (en) | 1971-01-06 | 1975-09-09 | Joseph H. Moriconi | Developer material |
JPS57660A (en) | 1980-06-02 | 1982-01-05 | Konishiroku Photo Ind Co Ltd | Carrier for developing electrostatic charge image |
JP2590962B2 (ja) * | 1987-11-10 | 1997-03-19 | ミノルタ株式会社 | 静電荷像現像用キャリア |
DE3784245T2 (de) * | 1987-11-24 | 1993-09-02 | Agfa Gevaert Nv | Magnetische traegerteilchen. |
JP2738734B2 (ja) | 1989-02-21 | 1998-04-08 | ユニチカ株式会社 | 電子写真用磁性キヤリア及びその製造方法 |
US5108862A (en) * | 1989-02-21 | 1992-04-28 | Toda Kogyo Corp. | Composite carrier particles for electrophotography and process for producing the same |
JP3001239B2 (ja) | 1990-08-21 | 2000-01-24 | 戸田工業株式会社 | 球形を呈した無機物粒子含有フェノール樹脂複合物粉体及びその製造法 |
JP2682220B2 (ja) * | 1990-09-17 | 1997-11-26 | 富士ゼロックス株式会社 | 静電荷像用現像剤 |
JP3120460B2 (ja) | 1991-03-28 | 2000-12-25 | 富士ゼロックス株式会社 | 電子写真用現像剤 |
US5422216A (en) * | 1994-03-01 | 1995-06-06 | Steward | Developer composition and method of preparing the same |
JP3238006B2 (ja) * | 1994-06-07 | 2001-12-10 | 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および該キャリアを用いた現像剤 |
US5500320A (en) * | 1994-08-29 | 1996-03-19 | Eastman Kodak Company | High speed developer compositions with ferrite carriers |
JPH1124868A (ja) * | 1997-07-03 | 1999-01-29 | Ricoh Co Ltd | プリンタのデバッグ方式 |
-
1995
- 1995-10-04 US US08/538,951 patent/US5654120A/en not_active Expired - Fee Related
- 1995-10-04 EP EP95307044A patent/EP0708379B1/de not_active Expired - Lifetime
- 1995-10-04 DE DE69511209T patent/DE69511209T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0708379A2 (de) | 1996-04-24 |
EP0708379B1 (de) | 1999-08-04 |
US5654120A (en) | 1997-08-05 |
DE69511209D1 (de) | 1999-09-09 |
EP0708379A3 (de) | 1996-05-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |