Patent ID: 6831291
Filing Date: 2004-12-14
Classification: H01L

Abstract:
A process for producing an alternate striped electrode array which comprises first and second striped electrode arrays formed on a base transparent to a predetermined type of electromagnetic radiation, where the first striped electrode array includes a plurality of first linear electrodes, the second striped electrode array includes a plurality of second linear electrodes alternating with the plurality of first linear electrodes, the plurality of first linear electrodes are transparent to the predetermined type of electromagnetic radiation, the plurality of second linear electrodes are opaque to the predetermined type of electromagnetic radiation, the plurality of first linear electrodes and the plurality of second linear electrodes are arranged approximately parallel to each other, and said process comprises the steps of:(a) forming said second striped electrode array on an upper surface of said base; (b) forming a continuous, transparent conductive film on an upper surface of said base and an upper surface of said second striped electrode array; (c) forming a continuous resist film on an upper surface of said transparent conductive film, where the resist film is negative with respect to said predetermined type of electromagnetic radiation; (d) forming a resist pattern corresponding to said second striped electrode array by applying said predetermined type of electromagnetic radiation through a lower surface of said base to said resist film other than portions of said resist film which are masked by said second striped electrode array; and (e) etching said transparent conductive film by using said resist pattern as a mask so that a portion of said transparent conductive film which remains after etching is separated from said second striped electrode array and forms said first striped electrode array.