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Archive | 1987

Glass fibers having low dielectric constant

Koji Yokoi; Mitsugi Yoshiyagawa; Seiichiro Manabe


Isij International | 1992

Production of High Purity Silicon by Carbothermic Reduction of Silica Using AC-arc Furnace with Heated Shaft

Yasuhiko Sakaguchi; Masato Ishizaki; Tetsuro Kawahara; Makoto Fukai; Mitsugi Yoshiyagawa; Fukuo Aratani


Archive | 1988

Method for producing high-purity metallic silicon and apparatus therefor

Yasuhiko Sakaguchi; Fukuo Aratani; Kazuhiro Uchino; Mitsugi Yoshiyagawa; Kunio Miyata; Masato Ishizaki; Tetsuro Kawahara


Archive | 1986

GLASS FIBER HAVING LOW DIELECTRIC CONSTANT

Seiichiro Manabe; Koji Yokoi; Mitsugi Yoshiyagawa


Archive | 1985

Process for producing silica in fine powder form

Hiroyuki Tamenori; Akihiko Hattori; Mitsugi Yoshiyagawa


Archive | 1985

Production of high purity silica gel

Akihiko Hattori; Hiroyuki Tamenori; Mitsugi Yoshiyagawa


Clean and Safe Energy Forever | 1990

PRODUCTION OF SOG-SI BY CARBOTHERMIC REDUCTION OF HIGH PURITY SILICA

Mitsugi Yoshiyagawa; M. Ishizaki; A. Hattori; Tetsuro Kawahara; T. Higuchi; T. Shimomura; F. Aratani; M. Fukai; Y. Sakaguchi; N. Yuge; H. Baba; S. Suhara; Y. Habu


Archive | 1986

Method and apparatus for producing metallic silicon

Matao Araya; Masato Ishizaki; Tetsuo Kawahara; Kunio Miyata; Yasuhiko Sakaguchi; Kazuhiro Uchino; Mitsugi Yoshiyagawa


Archive | 1987

FIBRE DI VETRO AVENTI UNA BASSA COSTANTE DIELETTRICA

Koji Yokoi; Mitsugi Yoshiyagawa; Seiichiro Manabe


Archive | 1985

PRODUCTION OF SIO2 RAW MATERIAL

Akihiko Hattori; Hideyuki Kikuchi; Hiroyuki Tamenori; Mitsugi Yoshiyagawa

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