Image forming apparatus featuring a multilayer member with a roughened layer surface to irregularly reflect incident light and method for making the multilayer member
원문보기
A belt includes a surface layer and an underlayer. An interface between the surface layer and the underlayer is roughened to irregularly reflect incident light.
대표청구항▼
What is claimed is: 1. An image forming apparatus comprising: an image bearing member for bearing a toner image; a belt onto which the toner image is transferred from the image bearing member; a light emitting member for emitting light onto the toner image formed on the belt; a light receiving memb
What is claimed is: 1. An image forming apparatus comprising: an image bearing member for bearing a toner image; a belt onto which the toner image is transferred from the image bearing member; a light emitting member for emitting light onto the toner image formed on the belt; a light receiving member for receiving reflected light from the toner image formed on the belt; and an image forming controller for changing image forming conditions based on a result detected by the light receiving member, wherein the belt includes a base layer and a surface layer provided on the base layer, the surface layer transmits the light emitted from the light emitting member, and a surface roughness Ra of a surface side of the base layer facing the surface layer is a range of 0.1 μm to 1.5 μm, inclusive. 2. The image forming apparatus according to claim 1, wherein the surface roughness Ra of the surface side of the base layer provided on a portion of the surface of the belt is 0.1 μm or more, and the portion reflects the light emitted from the light emitting member. 3. The image forming apparatus according to claim 1, wherein the surface layer is made of acrylic resin. 4. The image forming apparatus according to claim 1, wherein a profile of the surface side of the base layer is formed by mixing particles in the base layer. 5. The image forming apparatus according to claim 1, wherein transmittance of the surface layer is 30% or more. 6. The image forming apparatus according to claim 1, wherein the belt transfers a toner image provided thereon onto a recording material. 7. The image forming apparatus according to claim 1, wherein the belt can bear a recording material, and can transfer a toner image from the first image bearing member onto the recording material. 8. An image forming apparatus comprising: a belt including a base layer and a surface layer provided on the base layer; a light emitting member for emitting light onto a toner image formed on the belt; a light receiving member for receiving reflected light from the toner image formed on the belt; and an image forming controller for changing image forming conditions based on a result detected by the light receiving member, wherein the surface layer transmits the light emitted from the light emitting member, and the belt reflects the light emitted from the light emitting member at a surface side of the belt and a surface side of the base layer facing the surface layer, and wherein a ratio of an intensity of an irregularly reflected light component, of the reflected light from the belt, to an intensity of a regularly reflected light component is higher at the surface side of the base layer than at the surface side of the surface layer. 9. The image forming apparatus according to claim 8, wherein the ratio of the intensity of the irregularly reflected light component, of the reflected light from the belt, to the intensity of the regularly reflected light component in a part of the belt is higher at the surface side of the base layer than at the surface side of the surface layer, and the part reflects the light from the light emitting member. 10. The image forming apparatus according to claim 8, wherein the surface layer is made of acrylic resin. 11. The image forming apparatus according to claim 8, wherein a profile of the surface side of the base layer is formed by mixing particles in the base layer. 12. The image forming apparatus according to claim 8, wherein a transmittance of the surface layer is 30% or more. 13. A belt applicable to an image forming apparatus for forming a toner image on the belt, detecting a reflected light from the toner image by a light receiving member, and changing image-forming conditions based on a result detected by the light receiving member, the belt comprising: a base layer; and a surface layer provided on the base layer, wherein the surface layer transmits light, and wherein a surface roughness Ra of a surface side of the base layer facing the surface layer is a range of 0.1 μm to 1.5 μm, inclusive. 14. The belt according to claim 13, wherein the surface layer is made of acrylic resin. 15. The belt according to claim 13, wherein a profile of the surface side of the base layer is formed by mixing particles in the base layer. 16. The belt according to claim 13, wherein a transmittance of the surface layer is 30% or more. 17. A belt applicable to an image forming apparatus for forming a toner image on the belt, detecting a reflected light from the toner image by a light receiving member, and changing image-forming conditions based on a result detected by the light receiving member, the belt comprising: a base layer; and a surface layer provided on the base layer, wherein the surface layer transmits light so that the light is reflected by a surface side of the surface layer provided on a surface side of the belt and by a surface side of the base layer facing the surface layer, and wherein a ratio of an intensity of an irregularly reflected light component, of light reflected by the belt, to an intensity of a regularly reflected light component is higher at the surface side of the base layer than at the surface side of the surface layer. 18. The belt according to claim 17, wherein the surface layer is made of acrylic resin. 19. The belt according to claim 17, wherein a profile of the surface side of the base layer is formed by mixing particles in the base layer. 20. The belt according to claim 17, wherein a transmittance of the surface layer is 30% or more.
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이 특허에 인용된 특허 (8)
Hashimoto,Masaki; Morita,Kazushige; Kakui,Mikio; Tanaka,Yuji; Sakamoto,Masayuki, Electrophotographic photoreceptor and method for producing the same.
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