Shibuya-ku, Japan
Shibuya-ku, Japan

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A large Group III nitride crystal of high quality with few defects such as a distortion, a dislocation, and warping is produced by vapor phase epitaxy. A method for producing a Group III nitride crystal includes: a first Group III nitride crystal production process of producing a first Group III nitride crystal 1003 by liquid phase epitaxy; and a second Group III nitride crystal production process of producing a second Group III nitride crystal 1004 on the first crystal 1003 by vapor phase epitaxy. In the first Group III nitride crystal production process, the surfaces of seed crystals 1003a (preliminarily provided Group III nitride) are brought into contact with an alkali metal melt, a Group III element and nitrogen are cause to react with each other in a nitrogen-containing atmosphere in the alkali metal melt, and the Group III nitride crystals are bound together by growth of the Group III nitride crystals grown from the seed crystals 1003a to produce a first crystal 1003.


Patent
Osaka University, Itochu Plastics Inc. and Panasonic | Date: 2015-03-03

A large Group III nitride crystal of high quality with few defects such as a distortion, a dislocation, and warping is produced by vapor phase epitaxy. A method for producing a Group III nitride crystal includes: a first Group III nitride crystal production process of producing a first Group III nitride crystal 1003 by liquid phase epitaxy; and a second Group III nitride crystal production process of producing a second Group III nitride crystal 1004 on the first crystal 1003 by vapor phase epitaxy by causing a Group III element metal to react with an oxidizing agent and nitrogen-containing gas. In the first Group III nitride crystal production process, the surfaces of seed crystals 1003a (preliminarily provided Group III nitride) are brought into contact with an alkali metal melt, a Group III element and nitrogen are cause to react with each other in a nitrogen-containing atmosphere in the alkali metal melt, and the Group III nitride crystals are bound together by growth of the Group III nitride crystals grown from the seed crystals 1003a to produce a first crystal 1003.


The present invention is intended to provide a method of producing a Group III nitride crystal that prevents a halogen-containing by-product from adversely affecting crystal generation and is superior in reactivity and operability. A method of producing a Group III nitride crystal includes a step of causing a Group III metal to react with an oxidizing gas and nitrogen-containing gas, thereby producing a Group III nitride crystal.


Trademark
Itochu Plastics Inc. | Date: 2012-07-23

Unprocessed plastics.


Trademark
Itochu Plastics Inc. | Date: 2012-07-23

Unprocessed plastics.


Trademark
Itochu Plastics Inc. | Date: 2016-02-19

Unprocessed plastics.


Trademark
Itochu Plastics Inc. | Date: 2016-02-19

Unprocessed plastics.


Trademark
Itochu Plastics Inc. | Date: 2012-07-23

Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins; unprocessed plastics.


Trademark
Itochu Plastics Inc. | Date: 2010-10-26

Bags of plastics for packaging and wrapping; bags of paper for packaging and wrapping; sealable plastic bags for wrapping purposes; shopping carrier bags of plastic; plastic film for wrapping or packaging; plastic clinging film not for commercial or industrial purposes; films for wrapping foodstuffs; plastic in sheet forms for wrapping or packaging not for commercial or industrial purposes; bags of paper or plastics in the form of pouches for packaging; laminating paper films for stationery purposes; sachets of plastic for use as packaging materials; plastic labels; rolls of plastic film for wrapping or packaging, not for commercial or industrial purposes. Bags and sacks made of synthetic plastics material for bulk storage; packaging bags and sacks of plastic for bulk storage; bags and sacks for the transport and storage of materials in bulk; bands, not of metal, for wrapping or binding.


Trademark
Itochu Plastics Inc. | Date: 2010-10-26

Bags of plastics for packaging and wrapping; bags of paper for packaging and wrapping; sealable plastic bags for wrapping purposes; shopping carrier bags of plastic; plastic film for wrapping or packaging; plastic clinging film not for commercial or industrial purposes; films for wrapping foodstuffs; plastic in sheet forms for wrapping or packaging not for commercial or industrial purposes; bags of paper or plastics in the form of pouches for packaging; laminating paper films for stationery purposes; sachets of plastic for use as packaging materials; plastic labels; rolls of plastic film for wrapping or packaging, not for commercial or industrial purposes. Bags and sacks made of synthetic plastics material for bulk storage; packaging bags and sacks of plastic for bulk storage; bags and sacks for the transport and storage of materials in bulk; bands, not of metal, for wrapping or binding.

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