DE3153406C3 - Entwicklungseinrichtung für ein elektrophotographisches Kopiergerät - Google Patents
Entwicklungseinrichtung für ein elektrophotographisches KopiergerätInfo
- Publication number
- DE3153406C3 DE3153406C3 DE3153406A DE3153406A DE3153406C3 DE 3153406 C3 DE3153406 C3 DE 3153406C3 DE 3153406 A DE3153406 A DE 3153406A DE 3153406 A DE3153406 A DE 3153406A DE 3153406 C3 DE3153406 C3 DE 3153406C3
- Authority
- DE
- Germany
- Prior art keywords
- toner
- microelectrodes
- latent image
- insulating layer
- layer
- 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
- 238000011161 development Methods 0.000 title claims description 35
- 239000002245 particle Substances 0.000 claims description 39
- 230000008093 supporting effect Effects 0.000 claims description 7
- 230000005684 electric field Effects 0.000 description 38
- 230000018109 developmental process Effects 0.000 description 25
- 230000000694 effects Effects 0.000 description 17
- 239000000463 material Substances 0.000 description 11
- 239000011347 resin Substances 0.000 description 9
- 229920005989 resin Polymers 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000007787 solid Substances 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004377 microelectronic Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 210000003298 dental enamel Anatomy 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000001976 improved effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/09—Apparatus for electrographic processes using a charge pattern for 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
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
- G03G15/0818—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the structure of the donor member, e.g. surface properties
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
- G03G15/0921—Details concerning the magnetic brush roller structure, e.g. magnet configuration
- G03G15/0928—Details concerning the magnetic brush roller structure, e.g. magnet configuration relating to the shell, e.g. structure, composition
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/06—Developing structures, details
- G03G2215/0602—Developer
- G03G2215/0604—Developer solid type
- G03G2215/0614—Developer solid type one-component
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/06—Developing structures, details
- G03G2215/0634—Developing device
- G03G2215/0636—Specific type of dry developer device
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/06—Developing structures, details
- G03G2215/0634—Developing device
- G03G2215/0636—Specific type of dry developer device
- G03G2215/0651—Electrodes in donor member surface
- G03G2215/0653—Microelectrodes in donor member surface, e.g. floating
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55170846A JPS5794766A (en) | 1980-12-05 | 1980-12-05 | Developing method |
| JP17461080A JPS5799667A (en) | 1980-12-12 | 1980-12-12 | Developing method |
| JP18572680A JPS57114163A (en) | 1980-12-30 | 1980-12-30 | Developing device |
| DE19813148231 DE3148231A1 (de) | 1980-12-05 | 1981-12-05 | Entwicklungseinrichtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3153406C2 DE3153406C2 (enrdf_load_stackoverflow) | 1989-02-23 |
| DE3153406C3 true DE3153406C3 (de) | 1995-03-23 |
Family
ID=27432746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3153406A Expired - Fee Related DE3153406C3 (de) | 1980-12-05 | 1981-12-05 | Entwicklungseinrichtung für ein elektrophotographisches Kopiergerät |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3153406C3 (enrdf_load_stackoverflow) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3203394A (en) * | 1962-10-01 | 1965-08-31 | Xerox Corp | Xerographic development apparatus |
| US3739748A (en) * | 1970-12-15 | 1973-06-19 | Xerox Corp | Donor for touchdown development |
| US3754963A (en) * | 1970-12-23 | 1973-08-28 | Ibm | Surface for impression development in electrophotography |
| US3921578A (en) * | 1972-07-03 | 1975-11-25 | Itek Corp | Power cascade electrophotographic development |
| GB1458766A (en) * | 1973-02-15 | 1976-12-15 | Xerox Corp | Xerographic developing apparatus |
| JPS5640862A (en) * | 1979-09-11 | 1981-04-17 | Canon Inc | Developing device |
| GB2073057B (en) * | 1980-03-04 | 1984-08-08 | Canon Kk | Developing electrostatic images |
| US4410259A (en) * | 1980-03-08 | 1983-10-18 | Mita Industrial Co., Ltd. | Apparatus for developing latent electrostatic image |
-
1981
- 1981-12-05 DE DE3153406A patent/DE3153406C3/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE3153406C2 (enrdf_load_stackoverflow) | 1989-02-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| Q172 | Divided out of (supplement): |
Ref country code: DE Ref document number: 3148231 |
|
| 8110 | Request for examination paragraph 44 | ||
| AC | Divided out of |
Ref country code: DE Ref document number: 3148231 Format of ref document f/p: P |
|
| AC | Divided out of |
Ref country code: DE Ref document number: 3148231 Format of ref document f/p: P |
|
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8366 | Restricted maintained after opposition proceedings | ||
| 8305 | Restricted maintenance of patent after opposition | ||
| AC | Divided out of |
Ref country code: DE Ref document number: 3148231 Format of ref document f/p: P |
|
| D4 | Patent maintained restricted | ||
| 8339 | Ceased/non-payment of the annual fee |