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Sheath flow assembly

  • US 6,576,194 B1
  • Filed: 10/28/1999
  • Issued: 06/10/2003
  • Est. Priority Date: 05/18/1998
  • Status: Expired due to Term
First Claim
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1. A sheath flow assembly comprising:

  • a sample flow channel;

    a first and a second sheath fluid channel positioned on either side of and converging with said sample flow channel; and

    an upper and a lower sheath fluid chamber positioned above and below and converging with said sample flow channel, wherein said assembly is fabricated from at least first, second and third laminated sheets, and wherein the walls of said lower sheath fluid chamber are formed in said first sheet, the walls of said sample flow channel and said first and second sheath fluid channels are formed in said second sheet and the walls of said upper sheath fluid chamber are formed in said third sheet.

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