Patents by Inventor Shunichi Ishihara
Shunichi Ishihara has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 4837048Abstract: A deposited film is formed by introducing a gaseous starting material, a gaseous halogenic oxidizing agent and at least one oxygen or nitrogen type oxidizing agent into a reaction space to form excited precursors and thereafter forming a deposited film on a substrate in a film forming space employing the excited precursors. If desired, a gaseous material containing a component for valence electron control can be added to the reaction space.Type: GrantFiled: October 17, 1986Date of Patent: June 6, 1989Assignee: Canon Kabushiki KaishaInventors: Shunichi Ishihara, Jun-ichi Hanna, Isamu Shimizu
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Patent number: 4835005Abstract: A process for forming a deposition film on a substrate comprises introducing separately a precursor or activated species formed in a decomposition space (B) and activated species formed in a decomposition space (C), into the deposition space wherein the film is formed on the substrate.Type: GrantFiled: February 22, 1988Date of Patent: May 30, 1989Assignee: Canon Kabushiki KaishiInventors: Masaaki Hirooka, Kyosuke Ogawa, Shunichi Ishihara, Isamu Shimizu
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Patent number: 4826778Abstract: A PIN opto-electric conversion element having an improved i-type semiconductive layer composed of a silicon and germanium containing non-single-crystal material completely free from dopant contamination which excels in photoconductive characteristics and has an improved photoelectric conversion efficiency.Type: GrantFiled: November 23, 1987Date of Patent: May 2, 1989Assignee: Canon Kabushiki KaishaInventor: Shunichi Ishihara
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Patent number: 4824697Abstract: 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.Type: GrantFiled: January 12, 1987Date of Patent: April 25, 1989Assignee: Canon Kabushiki KaishaInventors: Shunichi Ishihara, Masaaki Hirooka, Junichi Hanna, Isamu Shimizu
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Patent number: 4818563Abstract: A process for forming a deposited film comprises introducing into a film forming space housing a substrate therein an active species (A) formed by decomposition of a compound containing germanium and a halogen and an active species (B) formed from a chemical substance for film formation which is reactive with said active species (A) separately from each other, then providing them with heat energy and thereby allowing both the species to react with each other thereby to form a deposited film on the substrate.Type: GrantFiled: February 20, 1986Date of Patent: April 4, 1989Assignee: Canon Kabushiki KaishaInventors: Shunichi Ishihara, Shigeru Ohno, Masahiro Kanai, Shunri Oda, Isamu Shimizu
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Patent number: 4818560Abstract: 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.Type: GrantFiled: December 24, 1986Date of Patent: April 4, 1989Assignee: Canon Kabushiki KaishaInventors: Shunichi Ishihara, Jun-Ichi Hanna, Isamu Shimizu
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Patent number: 4818564Abstract: A method for forming a deposited film comprises introducing 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 into a reaction space to effect chemical contact therebetween to thereby form a plural number of precursors containing precursors under excited state, and forming a deposited film on a substrate existing in the film forming space with the use of at least one precursor of these precursors as the feeding source for the constituent element of the deposited film.Type: GrantFiled: October 22, 1986Date of Patent: April 4, 1989Assignee: Canon Kabushiki KaishaInventors: Shunichi Ishihara, Junichi Hanna, Isamu Shimizu
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Patent number: 4812325Abstract: A method for forming a deposited film comprises introducing into a reaction space containing a substrate (a) a gaseous starting material for the formation of a deposited film, (b) a gaseous oxidizing agent, and optionally (c) a gaseous material containing a valence electron controller component; effecting chemical contact therebetween to form a plurality of precursors including precursors in an excited state; and forming a deposited film on the substrate with at least one of the precursors.Type: GrantFiled: October 21, 1986Date of Patent: March 14, 1989Assignee: Canon Kabushiki KaishaInventors: Shunichi Ishihara, Junichi Hanna, Isamu Shimizu
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Patent number: 4806386Abstract: An apparatus for forming a deposited film comprises a chamber, which can be brought into a reduced pressure, for forming a deposited film on a substrate by introducing a starting gas into said chamber and decomposing or polymerizing said gas, the apparatus is provided with both a means for decomposing or polymerizing said gas by discharging and a means for decomposing or polymerizing said gas by heat.Type: GrantFiled: April 2, 1987Date of Patent: February 21, 1989Assignee: Canon Kabushiki KaishaInventor: Shunichi Ishihara
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Patent number: 4803093Abstract: Process for preparing a functional film deposited on a substrate having practically applicable characteristics which is usable as a photoconductive member in semiconductor device, image input line sensor, image pickup device on the like by generating an active species by subjecting a gaseous substance capable of being activated to generate said active species to the action of activating energy in an active species generating and transporting space leading to a film forming space containing the substrate;simultaneously generating a precursor by subjecting a gaseous substance capable of generating said precursor to the action of activating energy in a precursor generating and transporting space located separately from and within the active species generating and transporting space and open in a downstream region of that space; andintroducing the resulting active species and precursor into the film forming space to chemically react to form the functional deposited film on the substrate in the absence of plasma.Type: GrantFiled: March 24, 1986Date of Patent: February 7, 1989Assignee: Canon Kabushiki KaishaInventors: Shunichi Ishihara, Keishi Saito, Shunri Oda, Isamu Shimizu
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Patent number: 4801468Abstract: A process for forming a deposited film comprises introducing into a film forming space housing a substrate therein an active species (A) formed by decomposition of a compound containing germanium and a halogen and an active species (B) formed from a chemical substance for film formation which is reactive with said active species (A) separately from each other, then providing them with discharge energy and thereby allowing both the species to react with each other thereby to form a deposited film on the substrate.Type: GrantFiled: February 21, 1986Date of Patent: January 31, 1989Assignee: Canon Kabushiki KaishaInventors: Shunichi Ishihara, Shigeru Ohno, Masahiro Kanai, Shunri Oda, Isamu Shimizu
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Patent number: 4798167Abstract: An apparatus for the preparation of a photoelectric conversion layer for a photoelectromotive force member includes:(a) a film-forming chamber having an inner space in which a substrate holder for a substrate is provided;(b) an exhaust pipe connected to the film-forming chamber and through a main valve to an exhaust pump;(c) a concentric triplicate conduit connected through a nozzle to the film-forming chamber.Type: GrantFiled: May 1, 1987Date of Patent: January 17, 1989Assignee: Canon Kabushiki KaishaInventors: Shunichi Ishihara, Keishi Saito, Shunri Oda, Isamu Shimizu
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Patent number: 4798166Abstract: 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 oxidizType: GrantFiled: December 19, 1986Date of Patent: January 17, 1989Assignee: Canon Kabushiki KaishaInventors: Masaaki Hirooka, Shunichi Ishihara, Junichi Hanna, Isamu Shimizu
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Patent number: 4798809Abstract: An improved photoelectromotive force member having desired photoelectric conversion 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 same.Type: GrantFiled: December 8, 1986Date of Patent: January 17, 1989Assignee: Canon Kabushiki KaishaInventors: Masaaki Hirooka, Shunichi Ishihara, Junichi Hanna, Isamu Shimizu
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Patent number: 4784874Abstract: A process for forming a deposited film comprises introducing into a film forming space housing a substrate therein an active species (A) formed by decomposition of a compound containing carbon and halogen and an active species (B) formed from a chemical substance for film formation which is chemically mutually reactive with said active species (A) separately from each other, then providing them with heat energy and thereby allowing both the species to react chemically with each other to form a deposited film on the substrate.Type: GrantFiled: February 20, 1986Date of Patent: November 15, 1988Assignee: Canon Kabushiki KaishaInventors: Shunichi Ishihara, Shigeru Ohno, Masahiro Kanai, Shunri Oda, Isamu Shimizu
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Patent number: 4778692Abstract: A process for forming a deposited film, which comprises introducing into a film forming space for formation of a deposited film on a substrate an active species (A) formed by decomposition of a compound containing silicon and a halogen and an active species (B) formed from a germanium containing compound for film formation which is chemically mutually reactive with said active species (A) separately from each other, and then permitting the above respective active species and said germanium containing compounds to react chemically with each other by excitation by irradiation of light energy thereby to form a deposited film on the above substrate.Type: GrantFiled: February 20, 1986Date of Patent: October 18, 1988Assignee: Canon Kabushiki KaishaInventors: Shunichi Ishihara, Shigeru Ohno, Masahiro Kanai, Shunri Oda, Isamu Shimizu
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Patent number: 4772486Abstract: A process for forming a deposited film, which comprises introducing, into a film forming space for forming said deposited film on a substrate, compounds A-1 and B-1 respectively represented by following general formulae and employed as raw materials for said deposited film:R.sub.n M.sup.1.sub.m (A-1)A.sup.1.sub.a B.sub.b (B-1)and active species capable of effecting a chemical reaction with at least one of said compounds, thereby forming a deposited film on said substrate, wherein m is a positive integer equal to the valence of R or a multiple thereof, n is a positive integer equal to the valence of M.sup.1 or a multiple thereof, M.sup.1 stands for an element of the group III of the periodic table, R stands for a hydrogen atom (H), a halogen atom (X) or a hydrocarbon group, a is a positive integer equal to the valence of B or a multiple thereof, b is a positive integer equal to the valence of A.sup.1 or a multiple thereof, A.sup.Type: GrantFiled: October 27, 1987Date of Patent: September 20, 1988Assignee: Canon Kabushiki KaishaInventors: Shunichi Ishihara, Shigeru Ohno, Masahiro Kanai, Shunri Oda, Isamu Shimizu
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Patent number: 4759947Abstract: A method for forming a deposition film comprises introducing, into a film forming chamber for forming a deposition film on a substrate, a silicon compound as a material for film formation and an active species generated from a compound containing carbon and halogen and capable of chemical interaction with said silicon compound, and applying thereto at least an energy selected from optical, thermal and discharge energies to excite said silicon compound and to cause a reaction thereof, thus forming a deposition film on said substrate.Type: GrantFiled: October 7, 1985Date of Patent: July 26, 1988Assignee: Canon Kabushiki KaishaInventors: Shunichi Ishihara, Masaaki Hirooka, Shigeru Ohno
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Patent number: 4751192Abstract: 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.Type: GrantFiled: December 8, 1986Date of Patent: June 14, 1988Assignee: Canon Kabushiki KaishaInventors: Masaaki Hirooka, Shunichi Ishihara, Junichi Hanna, Isamu Shimizu
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Patent number: 4728528Abstract: A process for forming a deposited film comprises introducing into a film forming space housing a substrate therein an active species (A) formed by decomposition of a compound containing carbon and a halogen and an active species (B) formed from a chemical substance for film formation which is reactive with said active species (A) separately from each other, irradiating them with light energy and thereby allowing both the species to react with each other thereby to form a deposited film on the substrate.Type: GrantFiled: December 18, 1986Date of Patent: March 1, 1988Assignee: Canon Kabushiki KaishaInventors: Shunichi Ishihara, Shigeru Ohno, Masahiro Kanai, Shunri Oda, Isamu Shimizu