摘要:
The invention provides a new electrostatic recording member with a memorizable switching layer comprising an organic compound having a metal complex structure and/or a metal chelate structure and an electrostatic latent image forming process therewith.An electrostatic recording member of the invention can copy the same images on many sheets of paper once electrostatic latent images are formed on the electrostatic recording member.
摘要:
The present invention provides a new photosensitive member which comprises a hydrogen-containing carbon undercoat layer controlled in the polarity by an element of IIIA or VA group, a hydrogen-containing C:H charge transporting layer and a charge generating layer, which has an excellent charge transortability, a charging ability, and preventing properties of charge injection and of increase of residual potential.
摘要:
The present invention relates to a photosensitive member having a photoconductive layer of amorphous silicon. On the photoconductive layer, an amorphous silicon insulating layer is formed and this layer includes carbon and an element in Group IIIA of the Periodic Table. The Group IIIA element is included to control the conductivity of the insulating layer in such fashion that the majority carrier thereof is opposite in polarity to the charging polarity.
摘要:
An image forming apparatus having a detachable imaging cartridge which includes a photosensitive member charged by a charge brush having brush fibers. At least one of the photosensitive member and the charging brush is detachable from the imaging cartridge, and the detachable one is attached to the imaging cartridge through a guide member so that the brush fibers of the charge brush are indented toward a downstream side relative to a predetermined position of the charge brush with respect to the rotational direction of the photosensitive member.
摘要:
The present invention relates to a photosensitive member comprising a conductive substrate; an organic photosensitive layer formed on the conductive substrate, and containing a solvent at a content of 2,500 ppm or more; and a surface protective layer formed on the organic photosensitive layer, which is composed of an amorphous hydrocarbon having an absorptivity coefficient of 400 to 5,000 cm.sup.-1 with respect to light of 450 nm wavelength.
摘要:
An image forming method comprising the steps of forming an electrostatic latent image on a photosensitive member having a surface layer containing binder resin and photosensitive material dispersed in the binder resin, supplying charged toner particles to the above electrostatic latent image to form a toner image on the above photosensitive member, conveying paper toward the surface of the above photosensitive member to engage the paper with the above toner image, and transferring the toner image formed on the photosensitive member to the above paper, the relationship among the normal velocity (N) [mm/sec] of the paper which is defined by the formula of (v) sin .theta., and the thickness (T) [.mu.m] and the Vickers hardness (V) of the surface layer of the above photosensitive member satisfying the condition of T.multidot.(V/N).sup.0.1 20 when the above paper is conveyed to the surface of the photosensitive member at a speed of v [mm/sec] and is brought into contact with the surface of the photosensitive member at a contact angle of .theta. [degrees].
摘要:
This invention relates to a separating pawl installed in a copying machine wherein at least an edge of the separating pawl is composed of an amorphous carbon layer; the edge of the separating pawl being in contact with a surface of a photosensitive member on a surface of a fixing roller to separate a sheet like member.
摘要:
The present invention relates to a developer such as a toner and/or carrier for use in electrophotographic developing processes, and more specifically relates to a developer containing halogenated amorphous carbon particles prepared by plasma-polymerization, wherein the particles may take two forms, i.e., one with seed particles which is coated with the plasma-polymerized film containing at least carbon and halogen or the other without the seed particles which is formed by plasma-reacting carbon and halogen.
摘要:
The disclosure discloses a photosensitive member comprising an electrically conductive substrate, an organic photoconductive layer comprising an organic material as a matrix, and an overcoat layer comprising an amorphous carbon as a matrix and formed on said organic photoconductive layer. Said overcoat layer comprises a first overcoat layer containing fluorine atoms in an amount of about 5 atomic % or more and a second overcoat layer formed on said first overcoat layer and containing fluorine atoms in an amount of less than about 5 atomic %. Said overcoat layer has a thickness of about 0.01 to about 4.0 microns and said second overcoat layer has a thickness of about 10 to about 400 angstroms.The disclosure also discloses a process for manufacturing the above-mentioned photosensitive member.
摘要:
The present invention relates to a photosensitive member which includes a photoconductive layer of amorphous silicon and an insulating layer formed thereover and including amorphous silicon, carbon and an element in Group III A of the Periodic Table. Carbon is included in an amount of about 35 to 65 atomic % at the outer most surface of the insulating layer and a minimum amount at the interface with the photoconductive layer. The Group III A element is included to control a majority carrier of the insulating layer to be a polarity opposite to the polarity of charging.