摘要:
A method for forming deposited film by introducing into a reaction space a gaseous starting material for formation of a deposited film and a gaseous halogenic oxidizing agent having the property of oxidation action for said starting material to effect chemical contact therebetween to thereby form a plural number of precursors including precursors under excited state, and forming said deposited film on a substrate previously position in a film forming space spatially communicated with said reaction space with the use of at least one precursor of these precursors as the feeding source for the constituent element of said deposited film, said method comprising the step of increasing the proportion of the amount of said gaseous starting material introduced relative to the amount of said gaseous halogenic oxidizing agent introduced in said reaction space.
摘要:
A method for forming a deposited film, which comprises introducing gaseous starting materials, containing group III and/or group V compound as the constituent element for formation of a deposited film and a gaseous halogenic oxidizing agent having the property of oxidation action on said starting materials into a reaction space to effect contact therebetween to thereby form a plural number of precursors containing precursors under excited state, and forming a deposited film of a substrate existing in a film-forming space with the use of at least one precursor of said precursors as the feeding source for the constituent element of the deposited film.
摘要:
There is disclosed a device for forming a deposited film which forms a deposited film by bringing a gaseous starting material for formation of a deposited film into contact with a gaseous oxidizing agent having the property of oxidation action on said starting material, thereby causing a chemical reaction to occur, comprising a plural number of chambers for formation of a deposited film connected to one another, said chamber having a gas releasing means having an orifice for releasing said gaseous starting material and an orifice for releasing said gaseous oxidizing agent provided respectively on both wall surfaces opposed to each other, and a support setting means which is arranged so that at least a part of its constitution may be included within the plane formed by linking mutually the gas releasing means on the both wall surfaces.
摘要:
There is disclosed a device for forming a deposited film on a substrate through utilization of chemical reaction between a gaseous starting material for a film to be formed and a gaseous halogenic oxidizing agent which has one or more gas introducing means having a multi-tubular structure with a converted tip end or having a meeting space for both the gases.
摘要:
A method for forming a deposited film, which comprises introducing a gaseous starting material containing an element in the Group II of the periodic table, a starting material containing an element in the Group VI of the periodic table which are gasifiable for formation of a deposited film, and a gaseous halogenic oxidizing agent having the property of oxidation action on said starting materials 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 precursor of said precursors as the feeding source for the constituent element of the deposited film.
摘要:
A method for forming a thin film 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 the step of forming at least one layer of the semiconductor thin films on a substrate by energizing a heat-generating member constituted of either a single substance or an alloy of a transition metal element having the catalystic effect provided in a film forming space to effect heat generation, bringing a starting material (A) for deposited film formation containing at least one element of halogens and hydrogen in the molecule and a compound (B) containing an element which becomes at least one of the valence electron controller and the band gap regulator into contact with the heat-generating member under heat generating state to cause a thermal dissociation reaction to effect activation, thereby forming a precursor (X) which becomes the starting material for deposited film formation and using the precursor (X) as the feeding source for the constituent element of the thin film, and the step of forming at least one layer of other thin films by introducing a gaseous starting material (a) for deposited film formation and a gaseous halogenic oxidizing agent having the property of oxidation action for the 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:
An apparatus for forming a deposited film by bringing gaseous starting materials for forming deposited film contact with a gaseous halogenic oxidizing agent which exerts oxidative effect on the starting materials, comprises, in a chamber for forming the deposited film, gas discharge means comprised of a gas discharge pipe for discharging the gaseous starting materials and a gas discharge pipe for discharging the halogenic oxidizing agent and means for disposing supports on which a plurality of cylindrical supports for depositing the film thereon are arranged around the gas discharge means.
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 controlled according to the plasma CVD method and forming at least one of the other constituent layers according to the method comprising introducing a gaseous starting material for formation of a deposited film 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 band gap controlled semiconductor thin layers formed on a substrate comprises forming at least one of said band gap controlled semiconductor thin layers according to the plasma 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 preparing a multi-layer structure film by forming a deposited film according to the chemical vapor depostion method comprises introducing a subjective starting material gas (A) which is the major flow rate component and an objective starting material gas (B) which is the minor flow rate component and hydrogen externally activated into a reaction space and controlling periodically the amount of said objective starting material gas (B) introduced to thereby form a deposited film with a multi-layer structure.