Presentation 1999/4/22
Study on improvemdnt on uniformity of Cat-CVD SiNx thin films
Akiyoshi Kudo, Atsushi Masuda, Akira Izumi, Hideki Matsumura,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) SiNx thin-film deposition by catalytic CVD (Cat-CVD) method is expected to realize a 1ow-damage plasmaldss process in fabrication of passivation fi1ms for compound-semiconductor devices etc. A tungsten wire was used as a catalyzer to decompose SiH_4 and NH_3 gases, SiNx thin films were deposited on GaAs substrates, and the uniformity of well-stoichiometric (Si_3N_4) films, with about 2.0 in refractive index, was evaluated by ellipsometry. It was found that the film thickness decreases about 15% circumferentially from the center, but the uniformity of refractive index keeps within about ±2.5% in a 4-inch wafer even though Si and N are supplied seperately. It is confirmed that preparation of device-quality SiNx thin films on large substrates can be achieved by Cat-CVD method.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Catalytic CVD (Cat-CVD) method / SiNx thin film / Passivation film / Refractive index / Uniformity
Paper # ED99-10
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Conference Information
Committee ED
Conference Date 1999/4/22(1days)
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Registration To Electron Devices (ED)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Study on improvemdnt on uniformity of Cat-CVD SiNx thin films
Sub Title (in English)
Keyword(1) Catalytic CVD (Cat-CVD) method
Keyword(2) SiNx thin film
Keyword(3) Passivation film
Keyword(4) Refractive index
Keyword(5) Uniformity
1st Author's Name Akiyoshi Kudo
1st Author's Affiliation Japan Advanced Institute of Science and Technology (JAIST):Mitsubishi Electric Corp()
2nd Author's Name Atsushi Masuda
2nd Author's Affiliation Japan Advanced Institute of Science and Technology (JAIST)
3rd Author's Name Akira Izumi
3rd Author's Affiliation Japan Advanced Institute of Science and Technology (JAIST)
4th Author's Name Hideki Matsumura
4th Author's Affiliation Japan Advanced Institute of Science and Technology (JAIST)
Date 1999/4/22
Paper # ED99-10
Volume (vol) vol.99
Number (no) 21
Page pp.pp.-
#Pages 8
Date of Issue