JPS62212663A - Electrophotographic sensitive body - Google Patents
Electrophotographic sensitive bodyInfo
- Publication number
- JPS62212663A JPS62212663A JP5630586A JP5630586A JPS62212663A JP S62212663 A JPS62212663 A JP S62212663A JP 5630586 A JP5630586 A JP 5630586A JP 5630586 A JP5630586 A JP 5630586A JP S62212663 A JPS62212663 A JP S62212663A
- Authority
- JP
- Japan
- Prior art keywords
- substrate
- photosensitive layer
- small
- photoreceptor
- width
- 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.)
- Pending
Links
- 239000000758 substrate Substances 0.000 claims abstract description 38
- 108091008695 photoreceptors Proteins 0.000 claims description 26
- 238000005336 cracking Methods 0.000 abstract description 3
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 2
- 238000004299 exfoliation Methods 0.000 abstract 2
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 3
- 229910052711 selenium Inorganic materials 0.000 description 3
- 239000011669 selenium Substances 0.000 description 3
- 238000007740 vapor deposition Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001370 Se alloy Inorganic materials 0.000 description 1
- 241000519995 Stachys sylvatica Species 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
- 230000007717 exclusion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004544 sputter deposition 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
- G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
- G03G5/02—Charge-receiving layers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Discharging, Photosensitive Material Shape In Electrophotography (AREA)
- Photoreceptors In Electrophotography (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の属する技術分野〕
本発明は円筒状導電性基体の全表面に感光層が装着され
てなる電子写真用感光体に関する。DETAILED DESCRIPTION OF THE INVENTION [Technical Field to Which the Invention Pertains] The present invention relates to an electrophotographic photoreceptor comprising a cylindrical conductive substrate and a photosensitive layer attached to the entire surface thereof.
電子写真方式の複写機やプリンタなどの像形成部材とし
て用いられる電子写真用感光体（以下、単に感光体とも
称する）は一般に円筒状導電性基体上に非晶質のセレン
やセレン合金、非晶質シリコン、硫化カドミウムや酸化
亜鉛などを樹脂中に分散させたもの、ＰＶＫやＴＮＦな
ど有機光導性材料などの感光材料を蒸着、プラズマＣＶ
Ｄ、スパッタリングあるいは塗布などによって装着させ
て感光層を形成してなる。Electrophotographic photoreceptors (hereinafter simply referred to as photoreceptors) used as image forming members in electrophotographic copying machines and printers are generally made of amorphous selenium, selenium alloys, or amorphous selenium on a cylindrical conductive substrate. Vapor deposition, plasma CV
D. A photosensitive layer is formed by attaching by sputtering or coating.
このような感光体においては、基体と感光層の密着性が
良くなければならないが、感光体の取り扱い時その端部
は種々の物に接触することが多くて機械的な外力が加わ
り易く、また、装置に装着して使用する場合クリーニン
グブレードなどにより端部には外力による歪みが生じ易
く、その結果、感光層の端部が基体より剥離しやすい状
態となり、出力画像に致命的欠陥である白抜は不良が生
じる原因となる。In such a photoreceptor, the adhesion between the substrate and the photoreceptor layer must be good, but when the photoreceptor is handled, its edges often come into contact with various objects, making it easy for external mechanical forces to be applied. When the photosensitive layer is attached to a device and used, the edges tend to be distorted by external force due to cleaning blades, etc., and as a result, the edges of the photosensitive layer tend to peel off from the substrate, resulting in white spots, which is a fatal defect in the output image. Exclusion may cause defects.
感光層の端部が基体から剥離することを防ぐ手段として
、第２図に示すように基体１の端部に幅が２〜５１層程
度の感光層２０未被着部５を設け、さらに感光層２の端
部にテーパー３をつけることが行われている。また、基
体の端部付近の表面に基体端部に向かって漸次深くなる
ような溝部を形成し、感光層の端部がこの溝部にあるよ
うにする方法も提案されている（特開昭５５−１３３０
７７号公報）。As a means to prevent the end of the photosensitive layer from peeling off from the substrate, as shown in FIG. A taper 3 is provided at the end of the layer 2. Furthermore, a method has been proposed in which a groove is formed in the surface near the end of the substrate so that it becomes gradually deeper toward the end of the substrate, and the end of the photosensitive layer is located in this groove. -1330
Publication No. 77).
ところが、感光体が装着され使用される装置側の設計上
の要請により、基体表面の端部まで感光層で被覆された
感光体が要求される場合がある。However, due to design requirements of an apparatus in which the photoreceptor is mounted and used, a photoreceptor that is coated with a photosensitive layer up to the end of the substrate surface may be required.
その場合には前述の方法を適用することはできなくなり
、感光層の端部の基体端部における剥離が問題となる。In that case, the above-mentioned method cannot be applied, and peeling of the end of the photosensitive layer at the end of the substrate becomes a problem.
特にセレン系材料からなる感光層の場合には機械的な力
に対する強度が小さいため僅かな力が加わっただけでも
感光層の端部からひび割れ現象が生じ剥離の原因となる
。例えば、円筒状の感光体を金属製または木製の台上に
立てて置いただけでもひび割れが生じることがあり、ま
た、感光層を蒸着で形成する場合基体端部にマスクリン
グを接触させて行うが、蒸着終了後マスクリングをはず
す際にひび割れが発生することもある。In particular, in the case of a photosensitive layer made of a selenium-based material, the strength against mechanical force is low, so that even the application of a slight force causes cracking at the edges of the photosensitive layer, causing peeling. For example, even if a cylindrical photoreceptor is placed upright on a metal or wooden stand, cracks may occur.Furthermore, when forming a photosensitive layer by vapor deposition, a mask ring is placed in contact with the edge of the substrate. Cracks may occur when removing the mask ring after vapor deposition.
本発明は以上の点に鑑みてなされたものであって、実質
的に円筒状導電性基体の全表面に感光層が被着されたの
と同一の機能を有し、しかも感光層端部の基体からの剥
離が発生しない感光体を提供することを目的とする。The present invention has been made in view of the above points, and has the same function as a photosensitive layer coated on substantially the entire surface of a cylindrical conductive substrate, and in addition, An object of the present invention is to provide a photoreceptor that does not peel off from a substrate.
本発明の目的は、円筒状導電性基体の端部に基体の外径
と微少な段差のある微少幅の小径部が形成されており、
該小径部を除いて基体の全表面に感光層を形成して感光
体とすることによって達成される。このような小径部を
設けたことにより、実質的には基体全表面に感光層が形
成されている感光体と同一の機能を発揮し、実際には基
体の端部には感光層が形成されていないので基体端部で
発生し易い感光層の端部のひび割れ、剥離は生じない感
光体が得られることになる。The object of the present invention is to form a small diameter part with a minute width at the end of a cylindrical conductive substrate, having a slight step with the outer diameter of the substrate,
This is achieved by forming a photosensitive layer on the entire surface of the substrate except for the small diameter portion to form a photoreceptor. By providing such a small diameter portion, the photoreceptor exhibits the same function as a photoreceptor in which a photosensitive layer is formed on the entire surface of the substrate, but in reality, a photosensitive layer is formed on the edge of the substrate. Therefore, a photoreceptor can be obtained in which cracking and peeling at the ends of the photosensitive layer, which tend to occur at the ends of the substrate, do not occur.
以下、本発明の実施例を図面を参照しながら説明する。 Embodiments of the present invention will be described below with reference to the drawings.
第１図は本発明の一実施例の感光体の要部断面図で、ア
ルミニウム合金などからなる円筒状導電性基体ｌの端部
には、基体の外径と微少な段差ａだけ径が小さくかつ微
少幅すの小径部４が形成されており、この部分を除いて
基体の全表面に感光層２が形成されている。感光層２の
端部にはテーパー３がつけられている。このような構成
においては、例えば感光体を金属製の台上に立てて置い
た場合でも感光層の端部が直接会に触れることはなく、
機械的な力が加わらないので感光層の端部にひび割れな
どが生じることはなく、基体からの剥離も起こらないこ
とになる。しかも、感光層の形成されていない小径部４
の段Ｍａ１幅すが微少であるから、装置に装着された場
合には感光体は実質的に基体全表面が感光層で被覆され
ている場合と同じ機能を発揮できる。FIG. 1 is a sectional view of a main part of a photoreceptor according to an embodiment of the present invention, in which the end of a cylindrical conductive substrate l made of an aluminum alloy or the like has a diameter smaller than the outer diameter of the substrate by a minute step a. A small diameter portion 4 having a very small width is formed, and a photosensitive layer 2 is formed on the entire surface of the substrate except for this portion. The end of the photosensitive layer 2 is tapered 3. In such a configuration, for example, even if the photoreceptor is placed upright on a metal stand, the edge of the photosensitive layer will not come into direct contact with the object.
Since no mechanical force is applied, cracks do not occur at the edges of the photosensitive layer, and peeling from the substrate does not occur. Moreover, the small diameter portion 4 on which the photosensitive layer is not formed
Since the width of the step Ma1 is very small, when mounted on an apparatus, the photoreceptor can perform substantially the same function as when the entire surface of the substrate is covered with a photosensitive layer.
小径部４０幅すは小さい程望ましいが、ｂが小さくなる
と感光層の端部が他の物に触れ易くなる欠点がでてくる
。また、小径部４の径は小さい方が望ましく従って段差
ａは大きい方が望ましいが、ａが大きくなりすぎると感
光層の端部が他の物に触れる危険性が大きくなる。基体
の寸法、感光層の膜厚にもよるが段差３１幅すは共に０
．２〜１鰭程、支が好適である。The smaller the width of the small diameter portion 40 is, the more desirable it is, but as b becomes smaller, the disadvantage arises that the end of the photosensitive layer tends to come into contact with other objects. Furthermore, it is desirable that the diameter of the small diameter portion 4 be small, and therefore the step a should be large, but if a becomes too large, there is a greater risk that the end of the photosensitive layer will come into contact with other objects. Although it depends on the dimensions of the substrate and the thickness of the photosensitive layer, the width of the step 31 is both 0.
．． A support of about 2 to 1 fins is preferred.
本発明によれば、円筒状導電性基体の端部に微少幅の小
径部を形成し、この小径部を除いて基体全表面に感光層
を形成して感光体とする。このような構成とすることに
より、実質的に基体の端部まで全表面に感光層が形成さ
れた場合と同じ機能を有し、しかも基体端部より感光層
端部の剥離しない感光体が得られ、例えば電子写真装置
の小型化に寄与することも可能となる。According to the present invention, a small diameter portion with a minute width is formed at the end of a cylindrical conductive substrate, and a photosensitive layer is formed on the entire surface of the substrate except for this small diameter portion, thereby forming a photoreceptor. By adopting such a structure, it is possible to obtain a photoreceptor that has the same function as a case where a photosensitive layer is formed on the entire surface of the substrate up to the ends of the substrate, and in which the end of the photosensitive layer does not peel off from the end of the substrate. For example, it is possible to contribute to miniaturization of electrophotographic devices.
第１図は本発明の一実施例の感光体の要部断面図、第２
図は従来例の感光体の要部断面図である。FIG. 1 is a cross-sectional view of a main part of a photoreceptor according to an embodiment of the present invention, and FIG.
The figure is a sectional view of a main part of a conventional photoreceptor.
Claims (1)
差のある微少幅の小径部が形成されており、該小径部を
除いて前記基体の全表面に感光層が形成されていること
を特徴とする電子写真用感光体。 ２）特許請求の範囲第１項記載の電子写真用感光体にお
いて、基体の外径と小径部との段差が０．２〜１ｍｍで
あり、かつ、該小径部の幅が０．２〜１ｍｍであること
を特徴とする電子写真用感光体。[Scope of Claims] 1) A small diameter part with a minute width and a slight step from the outer diameter of the base is formed at the end of the cylindrical conductive base, and the entire surface of the base except for the small diameter part is formed. A photoreceptor for electrophotography, characterized in that a photoreceptor layer is formed on the surface of the photoreceptor. 2) In the electrophotographic photoreceptor according to claim 1, the step between the outer diameter of the substrate and the small diameter portion is 0.2 to 1 mm, and the width of the small diameter portion is 0.2 to 1 mm. An electrophotographic photoreceptor characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5630586A JPS62212663A (en) | 1986-03-14 | 1986-03-14 | Electrophotographic sensitive body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5630586A JPS62212663A (en) | 1986-03-14 | 1986-03-14 | Electrophotographic sensitive body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62212663A true JPS62212663A (en) | 1987-09-18 |
Family
ID=13023423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5630586A Pending JPS62212663A (en) | 1986-03-14 | 1986-03-14 | Electrophotographic sensitive body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62212663A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0987603A1 (en) * | 1998-09-17 | 2000-03-22 | Canon Kabushiki Kaisha | Electrophotographic photosensitive member and image forming apparatus |
| EP1324140A1 (en) * | 2001-12-21 | 2003-07-02 | Canon Kabushiki Kaisha | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus |
| CN1311305C (en) * | 2001-12-21 | 2007-04-18 | 佳能株式会社 | Electrophotographic sensitization body, image processing box and electronic photographic device |
| JP2011242588A (en) * | 2010-05-18 | 2011-12-01 | Canon Inc | Manufacturing method of electrophotographic photoreceptor and manufacturing method of electrophotographic photoreceptor substrate |
-
1986
- 1986-03-14 JP JP5630586A patent/JPS62212663A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0987603A1 (en) * | 1998-09-17 | 2000-03-22 | Canon Kabushiki Kaisha | Electrophotographic photosensitive member and image forming apparatus |
| EP1324140A1 (en) * | 2001-12-21 | 2003-07-02 | Canon Kabushiki Kaisha | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus |
| CN1311305C (en) * | 2001-12-21 | 2007-04-18 | 佳能株式会社 | Electrophotographic sensitization body, image processing box and electronic photographic device |
| JP2011242588A (en) * | 2010-05-18 | 2011-12-01 | Canon Inc | Manufacturing method of electrophotographic photoreceptor and manufacturing method of electrophotographic photoreceptor substrate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS62212663A (en) | Electrophotographic sensitive body | |
| JP3179927B2 (en) | Method for manufacturing photoelectric conversion device | |
| JPS5886585A (en) | Drumlike image carrier member | |
| JPH0216360Y2 (en) | ||
| JP2615751B2 (en) | Electrophotographic photoreceptor | |
| JPS62150281A (en) | Flange for electrophotographic photosensitive body | |
| WO2023182393A1 (en) | Method for manufacturing wafer | |
| JP2580681B2 (en) | Method for manufacturing semiconductor device | |
| JPH01187926A (en) | Manufacture of mask and reticle | |
| JPS62168182A (en) | Fixing device | |
| JPH0120742B2 (en) | ||
| JPS60162275A (en) | Form peeling device of image forming device | |
| JPH05265359A (en) | Method for grounding electrophotographic sensitive body | |
| KR100399889B1 (en) | Method for forming photoresist pattern of semiconductor device | |
| JPH0895275A (en) | Substrate for electrophotographic photoreceptor and electrophotographic photoreceptor formed by using the substrate | |
| JPH10253935A (en) | Manufacture of liquid crystal display device | |
| JPH08185098A (en) | Cleaning device | |
| JPH02157847A (en) | Formation of uncoating part of electrophotographic sensitive body | |
| JPH05343301A (en) | Method for fabricating x-ray mask | |
| JPH0233174A (en) | Liquid developing device | |
| JPS62204535A (en) | Manufacture of semiconductor silicon wafer | |
| JPH08305003A (en) | Photomask and photomask blank | |
| JP2001117418A (en) | Packing method for electrophotographic photoreceptor | |
| JPS5937582A (en) | Photoreceptor drum for electrophotography | |
| JPH02234184A (en) | Electrophotographic sensitive body |