C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
204/182, 148/21,
C23C 16/46 (2006.01) C23C 16/52 (2006.01) C23C 16/54 (2006.01)
Patent
CA 2023684
ABSTRACT OF THE DISCLOSURE An apparatus for forming, by a chemical vapor deposition process, a thin film of crystals such as diamond on a surface of a heated substrate placed in a reaction vessel. The apparatus has a substrate supporting structure, a heater for heating the substrate by heat conduction or by electric current supplied directly to the substrate, and a cooling device for cooling the substrate. The heater is controlled in accordance with the measured temperature of the substrate so as to accurately maintain the substrate temperature at a constant level.
Kondoh Eiichi
Mitomo Tohru
Ohta Tomohiro
Otsuka Kenichi
Sekihashi Hiroshi
Kawasaki Steel Corporation
Smart & Biggar
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