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Covered microchannels and the microfabrication thereof

  • US 5,783,452 A
  • Filed: 02/02/1996
  • Issued: 07/21/1998
  • Est. Priority Date: 02/02/1996
  • Status: Expired due to Fees
First Claim
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1. A method of preparing a covered microchannel comprising the steps of:

  • a) coating a filler material onto a laminate which comprises a substrate having adhered thereto an etchable material having a groove, so that the filler material covers the etchable material and fills the groove;

    b) removing filler material from the etchable material but not from the groove;

    c) coating the etchable material and the filler material remaining in the groove with an adhering, formable, capping material to form a capped laminate;

    d) uncovering the filler material that remains in the groove at both ends of the groove; and

    e) removing the filler from the groove with a solvent for the filler, so that the capping material and the etchable material form the covered microchannel.

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