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Coating process method and coating process apparatus

  • US 20030180444A1
  • Filed: 03/11/2003
  • Published: 09/25/2003
  • Est. Priority Date: 03/19/2002
  • Status: Abandoned Application
First Claim
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1. A coating process method in which a coating liquid is discharged onto the surface of a target substrate to be processed while rotating the target substrate so as to expand the coating liquid radially outward on the target substrate and, thus, to form a coated film, comprising the steps of:

  • detecting that the actual discharging of a coating liquid from a coating liquid discharging nozzle is started and/or stopped; and

    controlling the coating treatment on the basis of a signal of the detection.

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