Coating apparatus – Gas or vapor deposition – Work support
Reexamination Certificate
2005-05-03
2005-05-03
Hassanzadeh, P. (Department: 1763)
Coating apparatus
Gas or vapor deposition
Work support
C118S715000, C118S725000, C118S500000, C156S345510, C156S345520, C156S345530, C204S298010, C204S298040, C204S298310, C204S298320, C204S298330, C204S298340
Reexamination Certificate
active
06887317
ABSTRACT:
A substrate support is provided that features a lift pin having at least one larger diameter shoulder section that forms a relief region between the lift pin and a guide hole disposed through a substrate support. The shoulder section minimizes contact between the substrate support and lift pin guide hole, thereby reducing pin scratching, particle generation, component wear, and increasing the useful life of the pin. In another embodiment, a flat-bottom tip is provided to promote self-standing of the lift pin, reducing pin tilting or leaning of the lift pin within the guide hole.
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Ito Takahiro
Koai Keith K.
Or David T.
Ota Koji
Sato Hiroshi
Applied Materials Inc.
Hassanzadeh P.
Kackar Ram N
Moser Patterson & Sheridan LLP
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