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Electrical current for controlling fluid parameters in microchannels

  • US 5,965,410 A
  • Filed: 11/25/1997
  • Issued: 10/12/1999
  • Est. Priority Date: 09/02/1997
  • Status: Expired due to Term
First Claim
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1. A method of elevating temperature in at least a portion of a fluid-filled channel disposed in a substrate, to a selected elevated temperature, comprising:

  • applying a selectable current through a fluid in the at least a portion of the fluid-filled channel, the portion of the fluid-filled channel having a electrical resistance;

    controlling at least one of the selectable current or the electrical resistance to elevate the temperature in the portion of the channel to the selected elevated temperature.

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