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Positive Tone Photoresist
The demand of “Touch Panel” is getting bigger, and the application of it is more extensive than ever. Many new factories and existed factories for the manufacturing of TFT-LCD are devoted to the development of products of “Touch Panel” one after another. Positive tone photoresist is used for the transfer of patterns of the designed layouts of wires and sensors in touch panel- the functions of positive tone photoresist is to protect some regions of the substrate from chemical attack during the wet or plasma etching process.
The increase of yield rate and production capacity is often the goal of the manufacturing of touch panel. The positive tone photoresist of Topgiga has the advantages listed below:
(1) High resolution, high sensitivity, and low film loss.
(2) High adhesion to various particular purpose oriented substrates
(3) Good coating properties and critical dimension (CD) uniformity for factories of all generations
(4) Excellent stability of development qualities when recycled development solution is applied.
(5) Good etching resistance
(6) Good for striping
(7) Low Cost
Product Application
The positive tone photoresist makes the layout of wires and sensors on the touch panel. The processes involve the lithography and etching followed by stripping of the photoresist.
Please contact to Dolphin Chen for more information .
