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).

  • Patent number: 4837048
    Abstract: 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: Grant
    Filed: October 17, 1986
    Date of Patent: June 6, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shunichi Ishihara, Jun-ichi Hanna, Isamu Shimizu
  • Patent number: 4835005
    Abstract: 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: Grant
    Filed: February 22, 1988
    Date of Patent: May 30, 1989
    Assignee: Canon Kabushiki Kaishi
    Inventors: Masaaki Hirooka, Kyosuke Ogawa, Shunichi Ishihara, Isamu Shimizu
  • Patent number: 4826778
    Abstract: 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: Grant
    Filed: November 23, 1987
    Date of Patent: May 2, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventor: Shunichi Ishihara
  • Patent number: 4824697
    Abstract: 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: Grant
    Filed: January 12, 1987
    Date of Patent: April 25, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shunichi Ishihara, Masaaki Hirooka, Junichi Hanna, Isamu Shimizu
  • Patent number: 4818563
    Abstract: 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: Grant
    Filed: February 20, 1986
    Date of Patent: April 4, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shunichi Ishihara, Shigeru Ohno, Masahiro Kanai, Shunri Oda, Isamu Shimizu
  • Patent number: 4818560
    Abstract: 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: Grant
    Filed: December 24, 1986
    Date of Patent: April 4, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shunichi Ishihara, Jun-Ichi Hanna, Isamu Shimizu
  • Patent number: 4818564
    Abstract: 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: Grant
    Filed: October 22, 1986
    Date of Patent: April 4, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shunichi Ishihara, Junichi Hanna, Isamu Shimizu
  • Patent number: 4812325
    Abstract: 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: Grant
    Filed: October 21, 1986
    Date of Patent: March 14, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shunichi Ishihara, Junichi Hanna, Isamu Shimizu
  • Patent number: 4806386
    Abstract: 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: Grant
    Filed: April 2, 1987
    Date of Patent: February 21, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventor: Shunichi Ishihara
  • Patent number: 4803093
    Abstract: 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: Grant
    Filed: March 24, 1986
    Date of Patent: February 7, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shunichi Ishihara, Keishi Saito, Shunri Oda, Isamu Shimizu
  • Patent number: 4801468
    Abstract: 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: Grant
    Filed: February 21, 1986
    Date of Patent: January 31, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shunichi Ishihara, Shigeru Ohno, Masahiro Kanai, Shunri Oda, Isamu Shimizu
  • Patent number: 4798167
    Abstract: 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: Grant
    Filed: May 1, 1987
    Date of Patent: January 17, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shunichi Ishihara, Keishi Saito, Shunri Oda, Isamu Shimizu
  • Patent number: 4798166
    Abstract: 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 oxidiz
    Type: Grant
    Filed: December 19, 1986
    Date of Patent: January 17, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masaaki Hirooka, Shunichi Ishihara, Junichi Hanna, Isamu Shimizu
  • Patent number: 4798809
    Abstract: 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: Grant
    Filed: December 8, 1986
    Date of Patent: January 17, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masaaki Hirooka, Shunichi Ishihara, Junichi Hanna, Isamu Shimizu
  • Patent number: 4784874
    Abstract: 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: Grant
    Filed: February 20, 1986
    Date of Patent: November 15, 1988
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shunichi Ishihara, Shigeru Ohno, Masahiro Kanai, Shunri Oda, Isamu Shimizu
  • Patent number: 4778692
    Abstract: 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: Grant
    Filed: February 20, 1986
    Date of Patent: October 18, 1988
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shunichi Ishihara, Shigeru Ohno, Masahiro Kanai, Shunri Oda, Isamu Shimizu
  • Patent number: 4772486
    Abstract: 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: Grant
    Filed: October 27, 1987
    Date of Patent: September 20, 1988
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shunichi Ishihara, Shigeru Ohno, Masahiro Kanai, Shunri Oda, Isamu Shimizu
  • Patent number: 4759947
    Abstract: 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: Grant
    Filed: October 7, 1985
    Date of Patent: July 26, 1988
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shunichi Ishihara, Masaaki Hirooka, Shigeru Ohno
  • Patent number: 4751192
    Abstract: 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: Grant
    Filed: December 8, 1986
    Date of Patent: June 14, 1988
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masaaki Hirooka, Shunichi Ishihara, Junichi Hanna, Isamu Shimizu
  • Patent number: 4728528
    Abstract: 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: Grant
    Filed: December 18, 1986
    Date of Patent: March 1, 1988
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shunichi Ishihara, Shigeru Ohno, Masahiro Kanai, Shunri Oda, Isamu Shimizu