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Microelectrodes and process for shielding same

  • US 4,452,249 A
  • Filed: 12/01/1981
  • Issued: 06/05/1984
  • Est. Priority Date: 12/01/1981
  • Status: Expired due to Fees
First Claim
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1. A method of shielding microelectrodes, including the steps of:

  • coating the exterior surface of a microelectrode having a central throughopening by vacuum evaporation techniques to provide a thin layer of conductive material thereabout; and

    removing a controlled layer of conductive material from a circumferential tip area of said microelectrode leaving a tip region thereof exposed.

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