FLEX CIRCUIT WITH SINGLE SIDED ROUTING AND DOUBLE SIDED ATTACH
First Claim
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1. A method for providing electrical connections to both sides of a touch sensor panel, comprising:
- forming conductive traces on a single surface of a base film; and
shaping the base film to form first and second attachment areas capable of aligning with pads on first and second sides of the touch sensor panel when the base film and conductive traces are folded.
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Abstract
A flex circuit having conductive traces formed on only one side of a base film for attaching to both sides of a DITO touch sensor panel is disclosed. By having conductive traces formed on only one side of the base film, the number of process steps and fabrication cost can be reduced because only a single etching step is needed. Furthermore, because the flex circuit is thinner, the resultant space savings can be utilized for other features in a device without enlarging the overall device package.
43 Citations
12 Claims
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1. A method for providing electrical connections to both sides of a touch sensor panel, comprising:
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forming conductive traces on a single surface of a base film; and shaping the base film to form first and second attachment areas capable of aligning with pads on first and second sides of the touch sensor panel when the base film and conductive traces are folded. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification