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Flexible circuit electrode array for improved layer adhesion

  • US 8,874,224 B2
  • Filed: 05/08/2012
  • Issued: 10/28/2014
  • Est. Priority Date: 12/03/2004
  • Status: Active Grant
First Claim
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1. A flexible circuit electrode array comprising:

  • a base polymer layer;

    a conductive trace deposited on the base polymer layer;

    a top polymer layer deposited on the base polymer layer and the trace, and defining a void, wherein at least a portion of the top polymer layer directly contacts the base polymer layer;

    the trace forming an annular-shaped electrode base extending peripherally, between the base polymer layer and the top polymer layer, around and beyond the void; and

    an electrode connected to the electrode base through the void and extending peripherally in an annular-shaped portion beyond the void.

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