Method for producing hexagonal boron nitride, and heat dissipation sheet

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United States of America Patent

PATENT NO 9879168
SERIAL NO

15110030

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Abstract

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There is provided a method for producing hexagonal boron nitride, including a heating step of heating a mixture containing boron carbide and an alkaline earth metal compound under an ammonia atmosphere at 1300-1500° C. to obtain a product containing hexagonal boron nitride, wherein a molar ratio of the boron carbide to the alkaline earth metal compound in the mixture is 0.5-2.0.

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Patent Owner(s)

Patent OwnerAddress
NATIONAL UNIVERSITY CORPORATION YOKOHAMA NATIONAL UNIVERSITY79-1 TOKIWADAI HODOGAYA-KU YOKOHAMA-SHI KANAGAWA 2408501 ?2408501
DENKA COMPANY LIMITED1-1 NIHONBASHI-MUROMACHI 2-CHOME CHUO-KU TOKYO 1038338 ?1038338

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hirotsuru, Hideki Omuta, JP 31 279
Ikarashi, Koki Omuta, JP 14 27
Sotokawa, Midori Yokohama, JP 1 2
Tatami, Junichi Yokohama, JP 11 77

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