Invention Grant
- Patent Title: Manufacturing method for conducting films on two surfaces of transparent substrate of touch control circuit
- Patent Title (中): 触摸控制电路透明基板两面导电薄膜的制造方法
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Application No.: US12117814Application Date: 2008-05-09
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Publication No.: US07887997B2Publication Date: 2011-02-15
- Inventor: Wei-Ping Chou
- Applicant: Wei-Ping Chou
- Applicant Address: TW Taipei
- Assignee: TPK Touch Solutions Inc.
- Current Assignee: TPK Touch Solutions Inc.
- Current Assignee Address: TW Taipei
- Agent Chun-Ming Shih
- Priority: TW97111246A 20080328
- Main IPC: G03F7/26
- IPC: G03F7/26

Abstract:
A manufacturing method for conducting films on two opposite surfaces of a transparent substrate of a touch control circuit, includes: contacting a first photoresist layer having photosensitive and discolored emulsion on a first conducting coat formed on a first surface of the transparent substrate, and contacting a second photoresist layer on a second conducting coat formed on a second surface of the transparent substrate; exposing the first photoresist layer to form a circuit pattern with distinguishable color on exposed regions of the first photoresist layer; employing the circuit pattern as an aligning benchmark for the second photoresist layer, and exposing the second photoresist layer accordingly; developing and etching those arranged on the two surfaces of the transparent substrate at the same time to form a first conducting film of a touch control circuit from the first conducting coat and form a second conducting film of the touch control circuit from the second conducting coat. Thus the manufacturing steps of the touch control circuit are decreased.
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Information query
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