CAPILLARY PINS FOR HIGH-EFFICIENCY MICROARRAY PRINTING DEVICE

  • US 20090029876A1
  • Filed: 07/09/2008
  • Published: 01/29/2009
  • Est. Priority Date: 06/27/2001
  • Status: Active Grant
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First Claim
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1. A microarray print head, said print head comprising:

  • a plurality of spotting capillaries disposed in a support that permits the spotting capillaries to move in a direction parallel to the long axis of said capillaries, wherein said capillaries are coupled to;

    a vacuum chamber through which the capillaries and the pistons are disposed;

    a port in said chamber to which a vacuum can be applied;

    wherein said pistons and capillaries are disposed such that increasing the vacuum in said chamber increases the force holding the pistons into the chamber and thereby increases the resistance of said capillaries to deflection away from a printing substrate.

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