Substrate for photosensitive member, photosensitive member, production method thereof and image forming apparatus using the photosensitive member
First Claim
Patent Images
1. A photosensitive member comprising:
- a substrate in which an anodized layer is formed on the surface of the substrate formed of aluminum or aluminum alloy, the anodized layer being sealed by a low temperature sealing treatment and a high temperature sealing treatment; and
a photosensitive layer;
wherein the low temperature sealing treatment is carried out by immersing the anodized layer in a treating liquid having a temperature of not higher than 40°
C. and containing a low-temperature sealing agent and the high temperature sealing treatment is carried out by immersing the anodized layer in a treating liquid having a temperature of not lower than 65°
C. and containing a high-temperature sealing agent, the low-temperature sealing agent being nickel fluoride or red prussiate, and the high-temperature sealing agent being nickel acetate.
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Abstract
An electrophotographic photosensitive member is provided which does not involve any image noise occurrence, such as black spot or white spot under any environment. The electrophotographic photosensitive member comprises a photoreceptor substrate including an anodized layer formed on the surface of an aluminum or aluminum alloy base, the anodized layer having been sealed by a low temperature sealing treatment and a high temperature sealing treatment, and at least one photosensitive layer formed on the photoreceptor substrate.
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Citations
27 Claims
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1. A photosensitive member comprising:
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a substrate in which an anodized layer is formed on the surface of the substrate formed of aluminum or aluminum alloy, the anodized layer being sealed by a low temperature sealing treatment and a high temperature sealing treatment; and a photosensitive layer; wherein the low temperature sealing treatment is carried out by immersing the anodized layer in a treating liquid having a temperature of not higher than 40°
C. and containing a low-temperature sealing agent and the high temperature sealing treatment is carried out by immersing the anodized layer in a treating liquid having a temperature of not lower than 65°
C. and containing a high-temperature sealing agent, the low-temperature sealing agent being nickel fluoride or red prussiate, and the high-temperature sealing agent being nickel acetate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A photosensitive member comprising:
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a substrate in which an anodized layer is formed on the surface of the substrate formed of aluminum or aluminum alloy, the anodized layer being sealed by a low temperature sealing treatment and a high temperature sealing treatment; and a photosensitive layer; wherein the low temperature sealing treatment is carried out by immersing the anodized layer in a treating liquid having a temperature of not higher than 40°
C. and containing a low-temperature sealing agent and the high temperature sealing treatment is carried out by immersing the anodized layer in a treating liquid having a temperature of not lower than 65°
C. and containing a high-temperature sealing agent, the low-temperature sealing agent being nickel fluoride or red prussiate, and the high-temperature sealing agent being metal acetate. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. An image forming apparatus comprising:
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a photosensitive member comprising a substrate including an anodized layer formed on the surface of the substrate formed of aluminum or aluminum alloy, the anodized layer being sealed by a low temperature sealing treatment and a high temperature sealing treatment, and a photosensitive layer;
wherein the low temperature sealing treatment is carried out by immersing the anodized layer in a treating liquid having a temperature of not higher than 40°
C. and containing a low-temperature sealing agent and the high temperature sealing treatment is carried out by immersing the anodized layer in a treating liquid having a temperature of not lower than 65°
C. and containing a high-temperature sealing agent, the low-temperature sealing agent being nickel fluoride or red prussiate, and the high-temperature sealing agent being nickel acetate;a contact charging device operative to contact the surface of the photosensitive member to charge the photosensitive member; a developing device for developing with toner an electrostatic latent image supported on the surface of the photosensitive member; and a transfer device for transferring to a transfer medium a toner image supported on the surface of the photosensitive member.
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19. A substrate for photosensitive member, comprising:
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an anodized layer is formed on the surface of the substrate formed of aluminum or aluminum alloy, the anodized layer being sealed by a low temperature sealing treatment and a high temperature sealing treatment; wherein the low temperature sealing treatment is carried out by immersing the anodized layer in a treating liquid having a temperature of not higher than 40°
C. and containing a low-temperature sealing agent and the high temperature sealing treatment is carried out by immersing the anodized layer in a treating liquid having a temperature of not lower than 65°
C. and containing a high-temperature sealing agent, the low-temperature sealing agent being nickel fluoride or red prussiate, and the high-temperature sealing agent being nickel acetate. - View Dependent Claims (20, 21, 22)
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23. A substrate for photosensitive member comprising:
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a base member formed of aluminum or aluminum alloy; and an anodized layer formed on the surface of the base member and sealed by a low temperature sealing treatment and a high temperature sealing treatment; wherein the low temperature sealing treatment is carried out by immersing the anodized layer in a treating liquid having a temperature of not higher than 40°
C. and containing a low-temperature sealing agent and the high temperature sealing treatment is carried out by immersing the anodized layer in a treating liquid having a temperature of not lower than 65°
C. and containing a high-temperature sealing agent, the low-temperature sealing agent being nickel fluoride or red prussiate, and the high-temperature sealing agent being metal acetate. - View Dependent Claims (24, 25, 26, 27)
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Specification