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Integrated sample-processing system

  • US 6,838,051 B2
  • Filed: 02/06/2001
  • Issued: 01/04/2005
  • Est. Priority Date: 05/03/1999
  • Status: Expired due to Fees
First Claim
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1. An apparatus for stacking and unstacking a plurality of sample holders, comprising:

  • a first stacking station designed to hold a plurality of sample holders in a first stack; and

    a singulation mechanism capable of automatically adding and subtracting sample holders to and from the first stack, the singulation mechanism including at least one latch and an electromagnet mounted near the latch, wherein the latch is biased into the first stack when the electromagnet is off, and wherein the electromagnet attracts the latch out of the first stack when the electromagnet is on.

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