Patents by Inventor Yukichi Takamatsu
Yukichi Takamatsu 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: 8277893Abstract: A chemical vapor deposition apparatus which comprises a susceptor for mounting a substrate thereon, a heater for heating the substrate, a feed gas introduction portion and a reaction gas exhaust portion, wherein a light transmitting ceramics plate held or reinforced by means of a supporting member is equipped between the heater and a mounting position of the substrate. A chemical vapor deposition apparatus that is capable of forming film stably for a long time without giving a negative influence on a quality of semiconductor film even in a case of chemical vapor deposition reaction employing a furiously corrosive gas with an elevated temperature for producing a gallium nitride compound semiconductor or so was realized.Type: GrantFiled: July 2, 2009Date of Patent: October 2, 2012Assignee: Japan Pionics Co., Ltd.Inventors: Tatsuya Ohori, Kazushige Shiina, Yasushi Iyechika, Noboru Suda, Yukichi Takamatsu, Yoshiyasu Ishihama, Takeo Yoneyama, Yoshinao Komiya
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Publication number: 20090269938Abstract: A chemical vapor deposition apparatus which comprises a susceptor for mounting a substrate thereon, a heater for heating the substrate, a feed gas introduction portion and a reaction gas exhaust portion, wherein a light transmitting ceramics plate held or reinforced by means of a supporting member is equipped between the heater and a mounting position of the substrate. A chemical vapor deposition apparatus that is capable of forming film stably for a long time without giving a negative influence on a quality of semiconductor film even in a case of chemical vapor deposition reaction employing a furiously corrosive gas with an elevated temperature for producing a gallium nitride compound semiconductor or so was realized.Type: ApplicationFiled: July 2, 2009Publication date: October 29, 2009Inventors: Tatsuya OHORI, Kazushige Shiina, Yasushi Iyechika, Noboru Suda, Yukichi Takamatsu, Yoshiyasu Ishihama, Takeo Yoneyama, Yoshinao Komiya
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Patent number: 7489857Abstract: An apparatus for producing powders of metal compound containing oxygen comprising a liquid flow controller, a vaporizer and a reactor, which consists essentially of: means for feeding a gas containing a material and oxygen; means for heating the gas from the side surface of the feeding means; means for cooling the gas positioned at the downstream side of the feeding means; and means for receiving the product generated by the reaction. A process and products for producing powders of metal compound containing oxygen comprising the steps of: feeding at least one material selected from a liquid material and a solution material obtained by dissolving solid ingredient in organic solvent via a liquid flow controller into a vaporizer; vaporizing the materials in the vaporizer; adding oxygen; heating; cooling; and crystallizing.Type: GrantFiled: April 16, 2007Date of Patent: February 10, 2009Assignee: Japan Pionics Co., Ltd.Inventors: Yukichi Takamatsu, Koji Kiriyama, Akira Asano, Takafumi Ishii
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Patent number: 7297322Abstract: A process for producing powders of metal compound containing oxygen including the steps of: feeding at least one material selected from a liquid material and a solution material obtained by dissolving solid ingredient in organic solvent via a liquid flow controller into a vaporizer; vaporizing the materials in the vaporizer; adding oxygen; heating; cooling; and crystallizing. Also disclosed is the product formed by this process, and apparatus used in performing the process. The process and the apparatus enable easily mass-producing fine powders of metal compound containing oxygen used as materials for optical crystals, nonlinear crystals or magneto-optical crystals with reasonable production cost.Type: GrantFiled: March 11, 2005Date of Patent: November 20, 2007Assignee: Japan Pionics Co., Ltd.Inventors: Yukichi Takamatsu, Koji Kiriyama, Akira Asano, Takafumi Ishii
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Publication number: 20070183946Abstract: An apparatus for producing powders of metal compound containing oxygen comprising a liquid flow controller, a vaporizer and a reactor, which consists essentially of: means for feeding a gas containing a material and oxygen; means for heating the gas from the side surface of the feeding means; means for cooling the gas positioned at the downstream side of the feeding means; and means for receiving the product generated by the reaction. A process and products for producing powders of metal compound containing oxygen comprising the steps of: feeding at least one material selected from a liquid material and a solution material obtained by dissolving solid ingredient in organic solvent via a liquid flow controller into a vaporizer; vaporizing the materials in the vaporizer; adding oxygen; heating; cooling; and crystallizing.Type: ApplicationFiled: April 16, 2007Publication date: August 9, 2007Inventors: Yukichi Takamatsu, Koji Kiriyama, Akira Asano, Takafumi Ishii
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Patent number: 7195795Abstract: A material for forming an insulation film comprising an alkoxide compound of lithium and at least one kind of organic solvent selected from ether, ketone, ester, alcohol, and hydrocarbon. A material for forming an insulation film comprising a carboxylate of lithium, an organic solvent, and tetramethoxysilane or tetraethoxysilane. A film-forming method for forming an insulation film with the use of the material for forming an insulation film. An insulation film-forming over the various substrates by spin coating method, mist deposition method or CVD method with the use of these material becomes possible and enables to expect providing an insulation film of high quality and high purity containing lithium or lithium silicate.Type: GrantFiled: October 21, 2004Date of Patent: March 27, 2007Assignee: Japan Pionics Co., Ltd.Inventors: Yukichi Takamatsu, Takeo Yoneyama, Kazuaki Tonari, Nobumasa Soejima, Koji Kiriyama, Takafumi Ishii
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Publication number: 20070051316Abstract: A chemical vapor deposition apparatus which comprises a susceptor for mounting a substrate thereon, a heater for heating the substrate, a feed gas introduction portion and a reaction gas exhaust portion, wherein a light transmitting ceramics plate held or reinforced by means of a supporting member is equipped between the heater and a mounting position of the substrate. A chemical vapor deposition apparatus that is capable of forming film stably for a long time without giving a negative influence on a quality of semiconductor film even in a case of chemical vapor deposition reaction employing a furiously corrosive gas with an elevated temperature for producing a gallium nitride compound semiconductor or so was realized.Type: ApplicationFiled: September 5, 2006Publication date: March 8, 2007Inventors: Tatsuya Ohori, Kazushige Shiina, Yasushi Iyechika, Noboru Suda, Yukichi Takamatsu, Yoshiyasu Ishihama, Takeo Yoneyama, Yoshinao Komiya
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Publication number: 20060275948Abstract: A process for forming zinc oxide film over a surface of a substrate which comprises a step of vaporising and supplying a materilal prepared by dissolving dimethylzinc or diethylzinc into an organic solvent to a chemical vapor deposition apparatus and a step of simultaneously supplying a gas comprising an oxidizing agent gas to the chemical vapor deposition apparatus. A process for forming zinc oxide film over a surface of a substrate which comprises both a step of supplying a vaporized gas of dimethylzinc or diethylzinc and a step of supplying a gas comprising an oxidizing agent gas alternately to a chemical vapor deposition apparatus. A process for forming zinc oxide film of extremely high quality and high purity on surfaces of various kinds of substrates safely in accordance with the CVD method is provided.Type: ApplicationFiled: May 16, 2006Publication date: December 7, 2006Inventors: Yukichi Takamatsu, Toshio Akiyama
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Publication number: 20060125129Abstract: The present invention provides a vaporizer having a vaporization chamber for a CVD material, a CVD material feed portion supplying the CVD material for the vaporization chamber, a vaporized gas exhaust port and a heater for heating the vaporization chamber, wherein the CVD material feed portion has passageways for the CVD material and for a carrier gas respectively and the passageway for the CVD material has a pressure loss inducer for the CVD material. At the same time, the present invention provides an apparatus for vaporizing and supplying that feeds a CVD material to a vaporizer via a liquid flow controller, and after vaporizing the CVD material that supplies the vaporized gas for a semiconductor production apparatus having a pressure loss-inducer for the CVD material between the liquid flow controller and the vaporizer.Type: ApplicationFiled: February 2, 2006Publication date: June 15, 2006Applicant: Japan Pionics Co., Ltd.Inventors: Yukichi Takamatsu, Kazuaki Tonari, Mitsuhiro Iwata, Koji Kiriyama, Akira Asano
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Patent number: 7036801Abstract: The present invention provides a vaporizer having a vaporization chamber for a CVD material, a CVD material feed portion supplying the CVD material for the vaporization chamber, a vaporized gas exhaust port and a heater for heating the vaporization chamber, wherein the CVD material feed portion has passageways for the CVD material and for a carrier gas respectively and the passageway for the CVD material has a pressure loss inducer for the CVD material. At the same time, the present invention provides an apparatus for vaporizing and supplying that feeds a CVD material to a vaporizer via a liquid flow controller, and after vaporizing the CVD material that supplies the vaporized gas for a semiconductor production apparatus having a pressure loss-inducer for the CVD material between the liquid flow controller and the vaporizer.Type: GrantFiled: April 15, 2003Date of Patent: May 2, 2006Assignee: Japan Pionics Co., Ltd.Inventors: Yukichi Takamatsu, Kazuaki Tonari, Mitsuhiro Iwata, Koji Kiriyama, Akira Asano
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Publication number: 20050204514Abstract: An apparatus for producing powders of metal compound containing oxygen comprising a liquid flow controller, a vaporizer and a reactor, which consists essentially of: means for feeding a gas containing a material and oxygen; means for heating the gas from the side surface of the feeding means; means for cooling the gas positioned at the downstream side of the feeding means; and means for receiving the product generated by the reaction. A process and products for producing powders of metal compound containing oxygen comprising the steps of: feeding at least one material selected from a liquid material and a solution material obtained by dissolving solid ingredient in organic solvent via a liquid flow controller into a vaporizer; vaporizing the materials in the vaporizer; adding oxygen; heating; cooling; and crystallizing.Type: ApplicationFiled: March 11, 2005Publication date: September 22, 2005Inventors: Yukichi Takamatsu, Koji Kiriyama, Akira Asano, Takafumi Ishii
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Publication number: 20050095361Abstract: A material for forming an insulation film comprising an alkoxide compound of lithium and at least one kind of organic solvent selected from ether, ketone, ester, alcohol, and hydrocarbon. A material for forming an insulation film comprising a carboxylate of lithium, an organic solvent, and tetramethoxysilane or tetraethoxysilane. A film-forming method for forming an insulation film with the use of the material for forming an insulation film. An insulation film-forming over the various substrates by spin coating method, mist deposition method or CVD method with the use of these material becomes possible and enables to expect providing an insulation film of high quality and high purity containing lithium or lithium silicate.Type: ApplicationFiled: October 21, 2004Publication date: May 5, 2005Inventors: Yukichi Takamatsu, Takeo Yoneyama, Kazuaki Tonari, Nobumasa Soejima, Koji Kiriyama, Takafumi Ishii
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Publication number: 20040216669Abstract: A vaporizer which comprises a vaporization chamber for a CVD material, a CVD material feed portion for supplying the vaporization chamber with the CVD material, a vaporized gas exhaust port and a heating means for heating the vaporization chamber, characterized in that it further comprises an ejection tube of double structure wherein the outer diameter of the outer tube has a portion gradually thinning towards the ejection port to the vaporization chamber. The vaporizer in accordance with the present invention provide, even in the case where decreasing the feed amount of carrier gas supplied by accompanying with the CVD material or increasing the concentration of solid CVD material dissolved in the solvent, a capability of suppressing the separating and adhesion of the solid CVD material near the ejection port to the vaporization chamber.Type: ApplicationFiled: April 13, 2004Publication date: November 4, 2004Inventors: Yukichi Takamatsu, Akira Asano, Mitsuhiro Iwata, Tatsunori Tayama
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Patent number: 6767402Abstract: A vaporizing and supplying method for controlling a liquid CVD material in flow rate with liquid flow rate controllers, supplying a vaporizer with the material, vaporizing the same, and supplying a semiconductor manufacturing apparatus with the vaporized material, which includes installing in parallel, a plurality of liquid flow rate controllers, preferably each having a different controllable range of flow rate, and supplying the vaporizer with the material at a variable flow rate thereof by altering the single use of any of the controllers to the simultaneous use of a plurality thereof or vice versa, and/or switching any of the controllers one after another.Type: GrantFiled: August 22, 2002Date of Patent: July 27, 2004Assignee: Japan Pionics Co., Ltd.Inventors: Yukichi Takamatsu, Takeo Yoneyama, Mitsuhiro Iwata, Koji Kiriyama, Kiichirou Araya
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Patent number: 6666921Abstract: The present invention provides a chemical vapor deposition apparatus for a semiconductor film, containing a horizontal tubular reactor, a susceptor, a heater, a feed gas introduction portion and a reaction gas exhaust portion, where part of the tubular reactor walls inclines downward from the upstream side of the feed gas passageway towards the downstream side thereof. The present invention also provides a chemical vapor deposition method using the apparatus.Type: GrantFiled: February 22, 2002Date of Patent: December 23, 2003Assignees: Japan Pionics Co., Ltd., NPS Co., Ltd.Inventors: Shiro Sakai, Yukichi Takamatsu, Yuji Mori, Hong Xing Wang, Yoshiyasu Ishihama, Yutaka Amijima
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Publication number: 20030209201Abstract: The present invention provides a vaporizer comprising a vaporization chamber for a CVD material, a CVD material feed portion supplying the CVD material for the vaporization chamber, a vaporized gas exhaust port and a heating means for heating the vaporization chamber, characterized in that the CVD material feed portion has passageways for the CVD material and for a carrier gas respectively and the passageway for the CVD material has a pressure loss-inducing means for the CVD material. At the same time, the present invention provides an apparatus for vaporizing and supplying that feeds a CVD material to a vaporizer via a liquid flow controller, and after vaporizing the CVD material that supplies the vaporized gas for a semiconductor production apparatus, characterized in having a pressure loss-inducing means for the CVD material between the liquid flow controller and the vaporizer.Type: ApplicationFiled: April 15, 2003Publication date: November 13, 2003Applicant: Japan Pionics Co., Ltd.Inventors: Yukichi Takamatsu, Kazuaki Tonari, Mitsuhiro Iwata, Koji Kiriyama, Akira Asano
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Patent number: 6638489Abstract: There are disclosed a process for cleaning a harmful gas which comprises bringing the harmful gas containing as a harmful component, an organosilicon compound represented by the general formula: CH2CH—SiR3, CH2CH—Si(OR)3, CH2CHCH2—SiR3 or CH2CHCH2—Si(OR)3, wherein R indicates a saturated hydrocarbon group or an aromatic compound group, into contact with a cleaning agent comprising activated carbon adhesively incorporated with at least one species selected from the group consisting of bromine, iodine, a metal bromide and a metal iodide in which the metal is exemplified by copper, lithium, sodium, potassium, magnesium, calcium, strontium, manganese, iron, cobalt, nickel, zinc, aluminum and tin; and a cleaning agent comprising the same. The cleaning process and the cleaning agent enable to practically clean a harmful gas which is exhausted from a semiconductor manufacturing process and the like by the use of a dry cleaning process.Type: GrantFiled: September 21, 2001Date of Patent: October 28, 2003Assignee: Japan Pionics Co., Ltd.Inventors: Kenji Otsuka, Yukichi Takamatsu, Youji Nawa, Kazuaki Tonari
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Patent number: 6592674Abstract: There are disclosed an apparatus and a method for chemical vapor deposition for a semiconductor film and the like, wherein a feed gas is supplied in a horizontal tubular reactor in the direction parallel to a substrate; a forcing gas is supplied therein in the direction perpendicular to the substrate; and the flow rate per unit area of the forcing gas which is supplied from a forcing gas introduction portion into the reactor is made lower in the central portion of the forcing gas introduction portion than in the peripheral portion thereof, or lower in the middle of a feed gas passageway than at both the end portions of the passageway.Type: GrantFiled: September 26, 2001Date of Patent: July 15, 2003Assignees: Japan Pionics Co., Ltd., Tokushima Sanso Co., Ltd.Inventors: Shiro Sakai, Yukichi Takamatsu, Yuji Mori, Hiroyuki Naoi, Hong Xing Wang, Yoshiyasu Ishihama, Yutaka Amijima
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Publication number: 20030111007Abstract: There is disclosed a vaporizing and supplying method for controlling a liquid CVD material in flow rate with liquid flow rate controllers, supplying a vaporizer with the material, vaporizing the same, and supplying a semiconductor manufacturing apparatus with the vaporized material, which comprises installing in parallel, a plurality of liquid flow rate controllers, preferably each having a different controllable range of flow rate, and supplying the vaporizer with the material at a variable flow rate thereof by altering the single use of any of the controllers to the simultaneous use of a plurality thereof or vice versa, and/or switching any of the controllers one after another.Type: ApplicationFiled: August 22, 2002Publication date: June 19, 2003Applicant: Japan Pionics Co., LtdInventors: Yukichi Takamatsu, Takeo Yoneyama, Mitsuhiro Iwata, Koji Kiriyama, Kiichirou Araya
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Publication number: 20030015137Abstract: There is disclosed a chemical vapor deposition apparatus of semi-conductor film comprising a horizontal type reaction tube equipped with a susceptor to carry a substrate, a heater to heat the substrate, an ingredient gas introduction zone arranged in a way that feeding direction to the reaction tube of the ingredient gas becomes substantially parallel to the substrate, and a reaction gas exhaust division, and further having a pressurized gas introduction zone on the wall of the reaction tube facing the substrate, wherein the structure of at least one part of the pressurized gas introduction zone at an upstream side of an ingredient gas passageway is such that the pressurized gas supplied from said part of the pressurized gas introduction zone is fed in an oblique down or a horizontal direction oriented to a downstream side of the ingredient gas passageway. Also, disclosed herein a chemical vapor deposition method using the apparatus.Type: ApplicationFiled: June 14, 2002Publication date: January 23, 2003Applicant: Japan Pionics Co., Ltd.Inventors: Shiro Sakai, Yukichi Takamatsu, Yuji Mori, Hong Xing Wang, Yoshinao Komiya, Reiji Kureha, Yoshiyasu Ishihama, Yutaka Amijima