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Solvent prewet and method to dispense the solvent prewet

  • US 20050194661A1
  • Filed: 04/26/2005
  • Published: 09/08/2005
  • Est. Priority Date: 11/14/1996
  • Status: Abandoned Application
First Claim
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1. A semiconductor wafer, comprising:

  • a semiconductive substrate having a diameter including a plurality of conductive, insulative and semiconductive layers;

    a layer of a first solvent disposed upon substantially the entirety of a top surface of the semiconductive substrate, wherein the first solvent includes diacetone alcohol at a volume percentage of between 70% and 90% and aliphatic ester; and

    a liquid photosensitive material including a second solvent, having a preselected volume disposed in a central portion of the semiconductive substrate.

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