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Array fabrication

  • US 7,205,400 B2
  • Filed: 08/26/2003
  • Issued: 04/17/2007
  • Est. Priority Date: 07/31/2000
  • Status: Expired due to Fees
First Claim
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1. An apparatus for fabricating multiple arrays of biopolymers arranged successively in a first direction on a substrate and each having multiple feature sets arranged successively in the first direction within the array, the apparatus comprising:

  • (a) a head system with multiple successive sets of dispensers wherein the head system is loaded with biopolymers or biomonomers;

    (b) a transport system to advance the head system in the first direction with respect to a substrate; and

    (c) a processor communicating with the head system and transport system to advance the head system in the first direction over the substrate while dispensing drop sets for each array, from dispenser sets in an order the reverse of that from which the dispenser sets pass over a given location on the substrate as the head system advances in the first direction, with each dispenser set depositing a drop set at a distance ahead of a drop set deposited by a preceding dispenser set which is less than the distance to the successive drop dispenser set which deposits the next drop set, so as to form the arrays.

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