摘要:
A method for producing an electronic device having a multi-layer structure comprising one or more valence electron controlled semiconductor thin layers formed on a substrate, comprises forming at least one of said valence electron controlled semiconductor thin layers according to the photo CVD method and forming at least one of other constituent layers according to the method comprising introducing a gaseous starting material for film formation and a gaseous halogenic oxidizing agent having the property of oxidizing said starting material into a reaction space to effect chemical contact therebetween to thereby form a plurality of precursors including a precursor in an excited state and transferring at least one of these precursors into a film forming space communicated with the reaction space as a feed source for the constituent element of the deposited film.
摘要:
A method for producing an electronic device having a multi-layer structure comprising one or more controlled band gap semiconductor thin layers formed on a substrate comprises forming at least one of said controlled band gap semiconductor thin layers according to the photo CVD method and forming at least one of the other constituent layers according to the method comprising introducing a gaseous starting material for film formation and a gaseous halogenic oxidizing agent having the property of oxidizing said starting material into a reaction space to effect chemical contact therebetween to thereby form a plurality of precursors including a precursor in an excited state and transferring at least one of these precursors into a film forming space communicated with the reaction space as a feed source for the constituent element of the deposited film.
摘要:
A method for forming a deposited film comprises introducing a gaseous starting material containing silicon and/or germanium atoms; a starting material containing at least one member selected from the group consisting of aluminum (Al), molybdenum (Mo), tungsten (W), titanium (Ti), and tantalum (Ta), which is capable of being converted to gaseous state; and a gaseous halogenic oxidizing agent which exerts an oxidative effect on the said starting materials for film formation, into a reaction space to effect contact therebetween to thereby chemically form a plural number of precursors containing precursors under excited state, and forming a deposited film on a substrate existing in a film-forming space by the use of at least one precursors of said percursors as the feeding source for the constituent element of the deposited film.
摘要:
An apparatus for forming a deposited film by introducing two or more kinds of gaseous starting materials for formation of a deposited film and a gaseous halogenic oxidizing agent having the property of oxidation action for said starting materials into a reaction space to effect chemical contact therebetween to thereby form a plural number of precursors including precursors under excited state, and forming a deposited film in a plurality of layers with different compositions on a substrate existing in a film forming space spatially communicated with said reaction space with the use of at least one precursor of the precursors as the feeding source for the constituent element of the deposited film, said apparatus comprising a plural number of gas introducing means of a multiple tubular structure for discharging into said reaction space said gaseous starting materials and said gaseous halogenic oxidizing agent through the discharging outlets, respectively, and permitting them to react with each other to form the precursors and means for preventing contact of precursors unnecessary for the desired film formation of the precursors with the substrate.
摘要:
A method for forming a deposited film by introducing the active species (A) formed by decomposition of a subjective starting material gas (A) which is the major flow rate component and the active species (B) formed by decomposition of an objective starting material gas (B) which is the minor flow rate component and the activated species (C) formed from a compound (C) separately from each other into a film forming space for formation of a deposited film on a substrate and permitting said active species (A) and active species (B) to chemically react with said activated species (C) to thereby form a deposited film on the substrate comprises forming a multi-layer structure film by varying the amount of said active species (B) introduced into the film forming space.
摘要:
A method for forming a deposited film by introducing a gaseous starting material for formation of a deposited film and a gaseous halogenic oxidizing agent having the property of oxidation action on said starting material separately from each other into a reaction space to form a deposited film according to a chemical reaction, which comprises activating previously a gaseous substance (D) for formation of a valence electron controller in an activation space to form an activated species and introducing said activated species into the reaction space to form a doped deposited film.
摘要:
An improved electrophotographic photosensitive member having a desired light receiving layer prepared by the use of a substance capable of contributing to form a deposited film and an electronically oxidizing agent in the absence of a plasma. A process and an apparatus for preparing the electrophotographic photosensitive member.
摘要:
A method for forming a thin multi-layer structure member having at least one of at least one kind of a semiconductor thin film controlled in valence electron and a semiconductor thin film regulated in band gap comprises forming at least one layer of said semiconductor thin films on a substrate by introducing a precursor (B) formed in a decomposition space (B) which becomes the starting material for deposited film formation and an active species (C) formed in a decomposition space (C) which interacts with said precursor (B) separately into a deposition space (A) for forming a thin film to thereby effect chemical reaction through the interaction between said precursor (B) and said active species (C), and forming at least one layer of other thin films by introducing a gaseous starting material (a) for thin film formation and a gaseous halogenic oxidizing agent having the property of oxidation action for said starting material (a) into a reaction space to effect contact therebetween to thereby form chemically a plural number of precursors including precursors under excited state and using at least one precursor of the precursors as the feeding source for the constituent element of the deposited film.
摘要:
There is provided an apparatus for continuously preparing an improved light receiving element for photoelectromotive force member or image-reading photosensor comprising the plural number of continuously connected reaction chambers through opening and shutting gates for forming respective constituent layers for said light receiving element and a substrate conveying belt moving through the reaction chambers, each of the reaction chambers having a film forming space, a gas supplying means being extended into the film forming space through the upper wall of the reaction chamber, an exhausting means being disposed at the bottom portion of the reaction chamber and the substrate conveying and supporting means being positioned in the reaction chamber, the said gas supplying means having (a) a conduit for transporting (i) a gaseous substance capable of contributing to form a deposited film and (b) a conduit for transporting (ii) a gaseous oxidizing agent being so disposed that the gaseous substance (i) and the oxidizing agent (ii) may be introduced into the space positioned above the surface of the substrate and they may be contacted each other in the absence of a plasma to thereby to generate plural kinds of precursors containing excited precursors and let at least one kind of those precursors directed to form a deposited film on the substrate on the substrate conveying belt.
摘要:
An improved image-reading photosensor having a desired photoelectric conversion layer prepared in the absence of a plasma by the reaction of a substance capable of contributing to form a deposited film and an electronically oxidizing agent. A process and an apparatus for preparing the improved image-reading photosensor.