Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
FIRING FURNACE AND PRODUCTION METHOD OF SILICON CARBIDE POWDER
Document Type and Number:
Japanese Patent JP2009263175
Kind Code:
A
Abstract:

To provide a firing furnace in which a silicon carbide powder having higher purity with a reduced content of impurities can be produced, and to provide a production method of a silicon carbide powder.

The firing furnace 100 is equipped with a process chamber 3 segmented by a muffle 4, a crucible 5 placed in the process chamber 3 for housing a substance 8 to be fired, and an inert gas supply tube 6 externally supplying an inert gas, wherein a void space 45 is formed between the muffle 4 and the crucible 5, and an open end 62 of the inert gas supply tube 6 is placed in the void space 45.


Inventors:
Miyano, Mari
Application Number:
JP2008000115816
Publication Date:
November 12, 2009
Filing Date:
April 25, 2008
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
BRIDGESTONE CORP
International Classes:
C01B31/36; F27B5/10; F27B5/16; F27B14/04; F27D7/02
Domestic Patent References:
JPS59215582A1984-12-05
JP2001358084A2001-12-26
JP2004300199A2004-10-28
JP2005221135A2005-08-18
JPH11106212A1999-04-20
JPH11209198A1999-08-03
Attorney, Agent or Firm:
三好 秀和
岩▲崎▼ 幸邦
川又 澄雄
伊藤 正和
高橋 俊一
高松 俊雄