摘要:
A photoconductive member comprises a support for a photoconductive member and an amorphous layer having a layer constitution comprising a first layer region comprising an amorphous material containing silicon atoms and germanium atoms and a second layer region comprising an amorphous material containing silicon atoms and exhibiting photoconductivity, said first and second layer regions being provided successively from the side of said support.
摘要:
An image-forming member for electrophotography comprises a photoconductive layer including as constituting layers, a hydrogenated amorphous silicon layer and an amorphous inorganic semiconductor layer. The amorphous inorganic semiconductor layer is laminated on the hydrogenated amorphous silicon layer to thereby provide a heterojunction.
摘要:
A process for producing photoconductive members comprises evacuating a deposition chamber possible to evacuate, to a prescribed degree of vacuum; introducing silicon hydride compound gas, halogen-containing silicon compound gas, and diluent gas in a volume flow ratio of 4-30:2-60:36-81, respectively, into said deposition chamber; forming a gas plasmic atmosphere by generating glow discharge in said surrounding gas mixture; thereby forming, on the surface of a support, for producing the photoconductive member, which has been arranged previously in said deposition chamber, a photoconductive layer constructed of an amorphous material comprising silicon atoms as matrix.
摘要:
A process for producing a photoconductive member comprises forming a photoconductive layer on a substrate for formation of a photoconductive layer by introducing starting substances for formation of a photoconductive layer under gaseous state into a deposition chamber maintained under a desired reduced pressure and exciting discharging under the gas atmosphere of said starting substances, characterized in that said starting substances are constituted of at least two compunds selected from the group consisting of the compounds of the formula:Si.sub.n H.sub.2n+2 (A)wherein n is a positive integer and the compounds of the formula:Si.sub.m H.sub.l X.sub.k (B)wherein m and k are positive integers, l is 0 or a positive integer, l+k=2m+2, and X represents a halogen atom, n and m being called "order number" hereinafter, and said starting substances to be introduced into said deposition chamber being controlled in amounts such that the proportion of the total of high order compounds is at least 1 vol. % based on the total of the minimum order compounds, the minimum order compound being one whose order number is the minimum among order numbers of said at least two compounds, the high order compound being one whose order number is higher than the order number of the minimum order compound.
摘要:
A process for forming a deposition film on a substrate comprising introducing a deposition film forming material in gaseous state into a deposition chamber, the inside pressure of which is reduced, and causing an electric discharge to take place in a gaseous atmosphere of said deposition film forming material, said process comprising introducing a starting material in gaseous state for preparing said deposition film forming material into a discharge reaction chamber, causing a discharge to take place in a gaseous atmosphere of said starting material to give rise to a reaction of said starting material, and introducing the resulting reaction product into said deposition chamber through a transport means connecting said discharge reaction chamber with said deposition chamber, by which the steps including from the step of preparing said deposition film forming material to the step of forming said deposition film are effected continuously.
摘要:
An image-forming member for electrophotography comprises a photoconductive layer including as constituting layers, a hydrogenated amorphous silicon layer and an amorphous inorganic semiconductor layer. The amorphous inorganic semiconductor layer is laminated on the hydrogenated amorphous silicon layer to thereby provide a heterojunction.
摘要:
An image-forming member for electrophotography comprises a photoconductive layer including as constituting layers, a hydrogenated amorphous silicon layer and an amorphous inorganic semiconductor layer. The amorphous inorganic semiconductor layer is laminated on the hydrogenated amorphous silicon layer to thereby provide a heterojunction.
摘要:
A television camera tube using a target comprising an electrically-conductive support, a blocking layer composed of a n-type amorphous silicon semiconductor, provided on the electrically-conductive support, and a light-sensitive layer composed of amorphous silicon provided on the blocking layer.
摘要:
Disclosed is a laminated photosensitive material for electrophotography, which comprises a conductive substrate, an undercoat layer formed of a composition comprising a resin binder having no substantial photoconductivity and photoconductive zinc oxide in an amount of 1 to 20 parts by weight per part by weight of the resin binder, an intermediate layer formed of a composition comprising a polyvinyl carbazole type photoconductor and photoconductive zinc oxide in an amount of 1 to 20 parts by weight per part by weight of the photoconductor and a topcoat layer comprised of a polyvinyl carbazole type photoconductor.This laminated photosensitive material has a very high sensitivity and a high initial charge voltage in combination and provides an image having a high density and a high contrast.
摘要:
An electrochromic display device with an improved current efficiency as well as with an extensive memory capability is disclosed; the device comprises a vapor deposited layer of an electrochromic material and a contiguous layer comprising chromium (III) oxide and the oxide of a transition metal or silicon also formed by vapor deposition. These two layers are sandwiched between a pair of electrodes at least one of which is light-transmitting.