Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Patent
1994-12-09
1997-09-30
Turner, Archene
Stock material or miscellaneous articles
Structurally defined web or sheet
Including variation in thickness
428141, 428156, 428446, 428450, 428469, 428701, 428702, H01L 2100
Patent
active
056724110
ABSTRACT:
An insulating board having a substrate, and an insulating film of silicon oxide formed on the surface of the substrate by vapor phase deposition. In forming the film, the forming conditions are controlled so that the film is formed in an overhang or conformal shape at initial stage and then in a flow shape. Thereby, both good adhesion and excellent insulation properties are achieved.
REFERENCES:
patent: 4371587 (1983-02-01), Peters
patent: 4794048 (1988-12-01), Oboodi
patent: 4900591 (1990-02-01), Bennett et al.
Hatanaka et al., "H.sub.2 O-Teos Plasma-CVD Realizing Dielectrics Having a Smooth Surface", VMIC Conference, Jun. 11-12, 1991, pp. 435-441.
Harada Keizo
Watanabe Ken'ichi
Yamanaka Shosaku
Sumitomo Electric Industries Ltd.
Turner Archene
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