Apparatus and method for delivering a gas

Details Apparatus and method for delivering a gas Apparatus and method for delivering a gas

1997-07-11

1999-11-16

Lund, Jeffrie R

Coating apparatus

Gas or vapor deposition

118728, 118500, 20429807, 20429811, 20429815, 4272481, C23C 1600, C23C 1400

Patent

active

059850337

ABSTRACT:
A gas delivery apparatus for directing a flow of gas at the edge of a substrate at an angle to the radial direction of the substrate. The apparatus directs the gas from a gas orifice, and over a plurality of grooves that are angled relative to the radial direction of the substrate. Preferably, the resultant flow of gas flows at an angle of between 10 and 90 degrees relative to the radial direction of the substrate.

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patent: 5882417 (1999-03-01), van de Ven et al.
patent: 5888304 (1999-03-01), Umotoy et al.

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