Chemical vapor desposition system

Material or article handling – Apparatus for moving material between zones having different... – For carrying standarized mechanical interface type

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414225, 414935, 414939, 414937, 414416, 118719, 118641, 118620, 432239, 20428825, A61K 2702

Patent

active

054356822

ABSTRACT:
This invention discloses a system for chemically depositing various materials carried by a reactant gas onto substrates for manufacturing semiconductor devices. The system includes special loading and unloading sub-systems for placement of substrates to be processed into the system and subsequent extraction without contamination of the system. A special substrate handling sub-system is provided for moving the substrates to and from at least one processing sub-system without physically contacting the planar surfaces of the substrates. The processing sub-system includes a horizontal gas flow reaction chamber having a rotatable susceptor therein for rotating the single substrate supportable thereon about an axis that is normal to the center of the substrate for averaging of the temperature and reactant gas concentration variables. The processing sub-system is separated from the handling sub-system by a special isolation valve and a gas injection device is used to inject the gas into the reaction chamber with a predetermined velocity profile. A special temperature sensing arrangement is provided in the processing sub-system for controlling a radiant heating sub-system which is provided above and below the reaction chamber.

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