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Method and device for production of components for microfabrication

  • US 6,450,189 B1
  • Filed: 09/29/2000
  • Issued: 09/17/2002
  • Est. Priority Date: 11/13/1998
  • Status: Expired due to Term
First Claim
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1. A method, comprising the steps of:

  • forcing a first fluid through a channel of a feeding source in a manner which causes the first fluid to be expelled from an exit opening;

    forcing a second fluid immiscible with the first fluid through a pressure chamber in a manner which causes the second fluid to interact with the first fluid to create a virtual focusing funnel around the first fluid whereby both the first and second fluids exit the pressure chamber from an exit orifice downstream of a flow path of the first fluid expelled from the exit opening of the feeding source;

    wherein a stable first fluid-second fluid interface is maintained and the first liquid forms a stable jet focused to smaller dimensions on the exit orifice of the pressure chamber by the second fluid.

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