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Microelement device

  • US 6,315,940 B1
  • Filed: 05/13/1999
  • Issued: 11/13/2001
  • Est. Priority Date: 11/16/1996
  • Status: Expired due to Fees
First Claim
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1. A microelement device comprising:

  • a substrate having a plurality of cavities for receiving a liquid containing biological cells;

    a plurality of microelements each of which is arranged at a bottom of one of said cavities, each said microelement having a contact surface facing upwardly for electrically contacting one of said biological cells;

    a plurality of channels, each extending within said substrate and being in fluid communication with one of said microelements; and

    a negative pressure source in fluid communication with each said channel for attracting said cells toward said microelements.

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