Coating apparatus – Control means responsive to a randomly occurring sensed...
Reexamination Certificate
2004-12-24
2010-11-02
Edwards, Laura (Department: 1713)
Coating apparatus
Control means responsive to a randomly occurring sensed...
C118S052000, C118S313000, C118S320000, C118S321000, C118S323000, C118S679000, C118S689000, C396S611000, C134S094100, C134S099100, C134S172000, C134S902000
Reexamination Certificate
active
07823534
ABSTRACT:
A developer nozzle is moved from a periphery of a wafer toward the central portion while an exposed substrate held at a spin chuck is being rotated about a vertical axis and while a developing solution is being discharged from the developer nozzle, and this way the developing solution is supplied to the surface of the wafer, the developer nozzle having a slit-like ejection port whose longitudinal direction is oriented to the direction perpendicular to the radial direction of the wafer. The movement speed of the nozzle is higher than a case where a nozzle with a small-diameter circular nozzle is used, and this enables a development time to be reduced. Further, the thickness of a developing solution on a substrate can be reduced, so that the developing solution can be saved.
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Kyouda Hideharu
Ookouchi Atsushi
Takeguchi Hirofumi
Yamamoto Taro
Yoshihara Kousuke
Edwards Laura
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Tokyo Electron Limited
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