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At TouchTurns, we offer foundry services where we manufacture capacitive touch screen modules based on a customer's designs. This involves a third party IC controller supplier which provides the IC controller, firmware, FPC design, and sensor design. In addition, the customer provides the specification and mechanical design requirements. We offer quick-turn prototyping in our facility in Santa Clara and production volumes via our manufacturing partner in China . An added benefit to this partnership is that our final design files run in volume without modification which will decrease manufacturing time.
Our prototyping line is compatible with numerous design architectures and touch panel LCD lamination for glass- and film-based sensor solutions. |
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Cover Glass |
Soda-lime, Gorilla™, Dragontrail™ glass, PMMA
Custom artwork on cover glass
Thickness: ¡Ý 0.5mm
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Sensor Glass |
¡Ý 0.2mm; Stock commonly used thickness: 0.2mm, 0.4mm, 0.5mm, 0.55mm
Single or Double-Side coated ITO
Sheet Resistance: ¡Ý 15 ohms/sq.
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Sensor Film |
Thickness: ¡Ý 0.1mm
Single-Side coated
Sheet Resistance: ¡Ý 50 ohms/sq.
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Laser Patterning |
Glass: Single laser etching line width: 10 ¡À 2um
10um/10um line/space in ITO
35um/35um line/space in Metal Routing
Film: Single laser etching line width: 35 ¡À 5um
35um/35um line/space in traces
60um/70um line/space in Metal Routing
400 x 500mm maximum sensor size |
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Metal Printing |
6um nano-particle Ag paste
Square Resistance: <0.15 ohms/sq. |
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Singulation/Trimming |
CCD aligned mechanical scribing
50um dimensional repeatability
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FPC Bonding |
CCD aligned FPC Bonding system
DITO: ¡Ý 300um/300um pad/space
OGS: ¡Ý 150um/150um pad/space
Sensor Film Cover Glass: ¡Ý 500um/500um pad/space
Sensor Film: ¡Ý 300um/300um pad/space
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Lamination |
Optically-Clear Adhesive (OCA)
UV-cured
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