Passivation planarization

  • US 7,101,727 B2
  • Filed: 06/29/2004
  • Issued: 09/05/2006
  • Est. Priority Date: 04/02/2003
  • Status: Expired due to Fees
First Claim
Patent Images

1. A pixel cell of an imaging device comprising:

  • a pixel circuit formed on a substrate;

    an upper metal layer provided over said pixel circuit;

    a first layer with a planarized upper surface provided over and in contact with said upper metal layer; and

    a second layer with a uniform thickness over said first layer.

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