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Title:
石英粉の精製方法および精製石英ルツボ
Document Type and Number:
Japanese Patent JP4000810
Kind Code:
B2
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Inventors:
Yoshiyuki Tsuji
Masanori Fukui
Application Number:
JP2001313671A
Publication Date:
October 31, 2007
Filing Date:
October 11, 2001
Export Citation:
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Assignee:
Japan Super Quartz Co., Ltd.
International Classes:
C01B33/12; C03B20/00
Domestic Patent References:
JP10235228A
JP2000262929A
JP8266931A
JP82929A
JP7309615A
Attorney, Agent or Firm:
Hiroshi Chiba



 
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