Coating processes – Spraying
Reexamination Certificate
2008-07-01
2008-07-01
Bashore, Alain L. (Department: 1792)
Coating processes
Spraying
C427S240000, C118S669000
Reexamination Certificate
active
07393566
ABSTRACT:
The present invention is a substrate treatment method in which a treatment by supplying a treatment solution from a nozzle to a substrate is successively performed for a plurality of substrates, which comprises the step of, during the performance of the successive treatments, performing between the treatments a plurality of pre-dispenses for different purposes of the treatment solution, wherein at least a recipe of the treatment solution to be pre-dispensed or a start condition of the pre-dispense is determined for each of the pre-dispenses. According to the present invention, the pre-dispense can be performed at a necessary and sufficient frequency to shorten the suspension time due to the pre-dispenses in the substrate treatment. This improves the throughput and reduces the number of pre-dispenses, resulting in reduced consumption of the treatment solution.
REFERENCES:
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patent: 5442561 (1995-08-01), Yoshizawa et al.
patent: 6541063 (2003-04-01), Prentice et al.
patent: 2002/0020350 (2002-02-01), Prentice et al.
patent: 09-320958 (1997-12-01), None
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patent: 10-112436 (1998-04-01), None
patent: 2000-195774 (2000-07-01), None
Notification of Reason for Resusal with English Translation, No. 144414, dated Apr. 26, 2005.
Bashore Alain L.
Rader & Fishman & Grauer, PLLC
Tokyo Electron Limited
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