C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
204/96.08, 204/1
C23C 14/38 (2006.01) C23C 14/00 (2006.01) C23C 16/50 (2006.01) H01J 37/34 (2006.01)
Patent
CA 1223549
-23- ABSTRACT Method for reactive vapour deposition of compounds of metals and semi-conductors on at least one substrate by glow discharge. Into a space between a magnetron cathode (1) with a target (5) and the substrate (11) an inert gas and a reaction gas for the formation of the desired compound with the target material are separately introduced. To solve the problem of making it possible to maintain the vapour deposition process stable over long time periods, according to the invention, a flow restriction is introduced between the target (5) and the substrate (11) by a diaphragm (20), which amounts to at least 40% of the cross section of the space. Further, the inert gas is fed between target (5) and aperture (20) at the periphery of the target. Moreover the reaction gas is fed to the mass flow through a distributor device (21) to one side of the diaphragm (20), and finally a glow discharge is also maintained in the region between diaphragm (20) and substrate (11) by means of an anode (25) exposed to the reaction gas arranged on the other side of the aperture.
462264
Dietrich Anton
Hartig Klaus
Scherer Michael
Johnson Douglas S. Q.c.
Leybold-Heraeus Gmbh
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