DE2839218C2 - Verfahren zum Entwickeln eines Ladungsbilds und Vorrichtung zur Durchführung des Verfahrens - Google Patents
Verfahren zum Entwickeln eines Ladungsbilds und Vorrichtung zur Durchführung des VerfahrensInfo
- Publication number
- DE2839218C2 DE2839218C2 DE2839218A DE2839218A DE2839218C2 DE 2839218 C2 DE2839218 C2 DE 2839218C2 DE 2839218 A DE2839218 A DE 2839218A DE 2839218 A DE2839218 A DE 2839218A DE 2839218 C2 DE2839218 C2 DE 2839218C2
- Authority
- DE
- Germany
- Prior art keywords
- toner
- charge image
- particle layer
- image carrier
- toner particle
- 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
Links
- 238000000034 method Methods 0.000 title claims description 40
- 239000002245 particle Substances 0.000 claims description 102
- 238000011161 development Methods 0.000 claims description 58
- 239000000463 material Substances 0.000 claims description 25
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 230000018109 developmental process Effects 0.000 description 51
- 230000005684 electric field Effects 0.000 description 12
- 230000008569 process Effects 0.000 description 12
- 229910052782 aluminium Inorganic materials 0.000 description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 229920001971 elastomer Polymers 0.000 description 6
- 239000005060 rubber Substances 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000004793 Polystyrene Substances 0.000 description 3
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 3
- 229920002223 polystyrene Polymers 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
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- 238000010276 construction Methods 0.000 description 2
- 230000005686 electrostatic field Effects 0.000 description 2
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- 101100173447 Caenorhabditis elegans ger-1 gene Proteins 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 229920006311 Urethane elastomer Polymers 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000002996 emotional effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 229920003227 poly(N-vinyl carbazole) Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- -1 polychlorobutadiene Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000004804 winding Methods 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
- Developing Agents For Electrophotography (AREA)
- Magnetic Brush Developing In Electrophotography (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10923877A JPS5442142A (en) | 1977-09-10 | 1977-09-10 | Image reproducing method |
| JP10923977A JPS5443036A (en) | 1977-09-10 | 1977-09-10 | Electrostatic image developing device |
| JP10923777A JPS5442141A (en) | 1977-09-10 | 1977-09-10 | Developing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2839218A1 DE2839218A1 (de) | 1979-03-22 |
| DE2839218C2 true DE2839218C2 (de) | 1986-10-02 |
Family
ID=27311425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2839218A Expired DE2839218C2 (de) | 1977-09-10 | 1978-09-08 | Verfahren zum Entwickeln eines Ladungsbilds und Vorrichtung zur Durchführung des Verfahrens |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4356245A (enExample) |
| DE (1) | DE2839218C2 (enExample) |
| FR (1) | FR2402895A1 (enExample) |
| GB (1) | GB2006055B (enExample) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2006054B (en) * | 1977-09-10 | 1982-12-08 | Canon Kk | Developing apparatus for electrostatic image |
| US4478505A (en) * | 1981-09-30 | 1984-10-23 | Tokyo Shibaura Denki Kabushiki Kaisha | Developing apparatus for improved charging of flying toner |
| JPS58179846A (ja) * | 1982-04-15 | 1983-10-21 | Canon Inc | 磁性カラ−トナ− |
| US4565764A (en) * | 1982-09-10 | 1986-01-21 | Canon Kabushiki Kaisha | Microcapsule toner and process of making same |
| US4660059A (en) * | 1985-11-25 | 1987-04-21 | Xerox Corporation | Color printing machine |
| JPH0766215B2 (ja) * | 1987-03-31 | 1995-07-19 | 日立金属株式会社 | 現像装置 |
| US4876574A (en) * | 1987-11-04 | 1989-10-24 | Canon Kabushiki Kaisha | Developing apparatus |
| US5177537A (en) * | 1989-12-20 | 1993-01-05 | Canon Kabushiki Kaisha | Developing apparatus with elastic regulating member urged to a developer carrying member |
| US5185496A (en) * | 1990-03-02 | 1993-02-09 | Canon Kabushiki Kaisha | Electrostatic latent image device having a coating layer provided on a developer carrying member |
| TW290661B (enExample) * | 1993-08-30 | 1996-11-11 | Canon Kk | |
| US5705307A (en) * | 1995-08-23 | 1998-01-06 | Eastman Kodak Company | Method of developing electrostatic images |
| JP4143229B2 (ja) | 1999-08-30 | 2008-09-03 | キヤノン株式会社 | 現像装置 |
| EP1091257B1 (en) * | 1999-10-06 | 2008-05-14 | Canon Kabushiki Kaisha | Process for producing toner |
| US6537715B2 (en) | 2000-07-28 | 2003-03-25 | Canon Kabushiki Kaisha | Toner, image-forming method and process cartridge |
| JP2002123086A (ja) | 2000-10-17 | 2002-04-26 | Canon Inc | 現像装置及びこの現像装置を備える画像形成装置 |
| JP4612783B2 (ja) | 2000-11-15 | 2011-01-12 | キヤノン株式会社 | トナーの製造方法 |
| JP2002156774A (ja) * | 2000-11-16 | 2002-05-31 | Canon Inc | 画像形成装置及びプロセスカートリッジ |
| US6803164B2 (en) | 2001-09-12 | 2004-10-12 | Canon Kabushiki Kaisha | Magnetic black toner |
| JP2003262972A (ja) * | 2002-03-07 | 2003-09-19 | Canon Inc | 画像形成装置 |
| JP2004322375A (ja) * | 2003-04-22 | 2004-11-18 | Canon Inc | 露光量決定方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3232190A (en) * | 1963-06-28 | 1966-02-01 | Ibm | Method and apparatus for copying |
| US3882821A (en) * | 1969-03-08 | 1975-05-13 | Canon Kk | Developing device for electrophotography |
| US3754963A (en) * | 1970-12-23 | 1973-08-28 | Ibm | Surface for impression development in electrophotography |
| US3909258A (en) * | 1972-03-15 | 1975-09-30 | Minnesota Mining & Mfg | Electrographic development process |
| US3914460A (en) * | 1973-01-09 | 1975-10-21 | Xerox Corp | Development utilizing electric fields |
| US3890929A (en) * | 1973-02-15 | 1975-06-24 | Xerox Corp | Xerographic developing apparatus |
| US3997688A (en) * | 1974-05-31 | 1976-12-14 | Xerox Corporation | Developing an electrical image |
| US3948217A (en) * | 1974-11-20 | 1976-04-06 | Xerox Corporation | Magnetic brush development system with floating development rolls |
| US4067295A (en) * | 1975-03-07 | 1978-01-10 | Xerox Corporation | Magnetic microfield donor system |
| US3945343A (en) * | 1975-03-24 | 1976-03-23 | General Electric Company | Magnetic brush for use in magnetic printing |
| US4011834A (en) * | 1975-10-02 | 1977-03-15 | Xerox Corporation | Touchdown electrostatic development apparatus |
| US4014291A (en) * | 1976-01-26 | 1977-03-29 | Nashua Corporation | Image developing system |
| US4100884A (en) * | 1976-02-25 | 1978-07-18 | Ricoh Company, Ltd. | Rubber developer roller using single component toner |
| US4036175A (en) * | 1976-03-30 | 1977-07-19 | Sperry Rand Corporation | High speed development technique |
-
1978
- 1978-09-01 GB GB7835339A patent/GB2006055B/en not_active Expired
- 1978-09-08 FR FR7825916A patent/FR2402895A1/fr active Granted
- 1978-09-08 DE DE2839218A patent/DE2839218C2/de not_active Expired
-
1980
- 1980-04-21 US US06/141,919 patent/US4356245A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB2006055B (en) | 1982-07-07 |
| DE2839218A1 (de) | 1979-03-22 |
| GB2006055A (en) | 1979-05-02 |
| FR2402895B1 (enExample) | 1983-03-11 |
| US4356245A (en) | 1982-10-26 |
| FR2402895A1 (fr) | 1979-04-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |