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FAQ What is a TouchCell™? 
Follow Us! 
 What is a TouchCell™? A TouchCell™ consists of the following:
How does TouchSensor’s Field-Effect technology compare to capacitive technology? Unlike conventional touch technologies that employ capacitance to sense touch, TouchSensor uses its cutting edge Field-Effect technology in a digital, software-free IC. Additionally, TouchSensor’s TouchCell™ is recognized by UL as a fail-safe switch (No other touch technology offers this). What this means for TouchSensor‘s customers:
Why are
TouchCells™ more flexible than traditional capacitive touch keypads?
Why are TouchSensor TouchCells™ more reliable/durable than mechanical or membrane switches? TouchCells™ are solid-state devices with no moving parts. With no moving parts to wear out, the wear and tear issues which plague conventional switches are inherently eliminated. Additionally, because TouchCells are mounted behind solid substrates, user and environmental abuse become a non-factor. Furthermore, TouchCells are recognized as fail-safe device by Underwriters Laboratories (UL File # E187820). How
does TouchSensor interface with my electronics?
How much
power is required to run a TouchCell™? 5VDC ± 10%.
Current consumption What is a typical TouchCell™ size? The typical TouchCell™ requires an area of 18mm x 18mm. Other pad sizes are available. How close
can I place TouchCells™? TouchCells™ can be placed as
close as What
pitch (center-to-center) can be achieved? Based on human factors,
TouchSensor recommends a pitch of 20mm for a typical TouchCell™.
Tighter pitches can What substrates can be used? TouchCells™ work with almost any dielectric material. The most common substrates are glass and plastic. How thick can my substrate be? The typical substrate thickness ranges from 2mm to 5mm. Other thicknesses can be evaluated on an application basis. Can TouchSensor incorporate displays and lighting in my User Interface design? Yes. TouchSensor has some very basic patents pending which cover methods to combine Touch with lighting. Display options that can be added to your UI include:
Can TouchSensor assist me with my User Interface design? Unlike some companies that sell a “touch IC” loaded with software requiring the customer to develop in-house expertise to create a touch interface, TouchSensor’s business model calls for the design and manufacturing of complete UI systems. We employ experts in electronics, materials, lighting/displays, industrial design and mechanical design. As a result, TouchSensor can provide complete turn-key UI designs ready for your end application. Are TouchCells™ cost competitive with membrane switch prices? Yes. TouchSensor is displacing membrane switches in a variety of markets. What is the typical turn-around time for a prototype keypad? 2 to 4 weeks. What is TouchSensor’s field experience? TouchSensor has been producing user interface systems since 1997 and has shipped nearly 15 million units and 200 million TouchCells™ across a variety of applications including:
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