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Method for high-speed dot array dispensing

  • US 20040072364A1
  • Filed: 04/21/2003
  • Published: 04/15/2004
  • Est. Priority Date: 01/09/1998
  • Status: Abandoned Application
First Claim
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1. A method for high-speed precision dispensing of liquid reagents onto a receptive substrate, comprising the steps of:

  • receiving data representative of a desired reagent pattern;

    providing a first signal to a table or carriage to provide relative X, X-Y or X-Y-Z motion between said substrate and a dispenser;

    simultaneously providing a second signal to said dispenser to cause said dispenser to dispense droplets of said liquid reagent onto said receptive substrate at predetermined locations to form said desired reagent pattern; and

    adjusting the phase lag or lead between said first and second signals to compensate for the magnitude of said relative motion between said substrate and said dispenser given the probable trajectory of each said droplet.

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