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Capacitive Touch Screen

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Electrical engineers discovered the many advantages to capacitive coupling technology, which developed into a network of sensors that could be accessed through the use of a conductive stylus, such as a human finger. In essence, this type of touch screen works because the electrical charge from a finger or similar object may access and engage a computer program, allowing various options to be chosen and new options to pop up in response. Read More…

Capacitive Touch Screen Capacitive touch screens are electronic interfaces that transmit commands based on the location of their users' fingers in connection with a capacitive matrix. In this way they differ from switches, which have to be individually pressed in order to transmit signals.
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Leading Manufacturers

Eden Prairie, MN  |  800-806-6113

Our membrane switches are known for their high-quality and affordable prices. We work hard to find the precise parts that will work with your every need. It is our goal to create a relationship with you that is beneficial to both parties.

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ALUDEC USA $$$

Perry, NY  |  800-227-5718

JN White is an ISO 9001:2015 and ITAR-certified manufacturer of membrane switches, graphic overlays, and custom labels. We nimbly handle projects big and small and have the uncommon ability to translate what our customers need into high-quality, high-precision outcomes.

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JN White $$$

Watertown, CT  |  800-853-5617

If you are in need of capacitive switches that are state-of-the-art, eye-catching, and built to last, ECI Technologies can help you get the results you need. Our team has over 30 years of experience producing simple to complex membrane switches for industries such as medical, military, and more. We are able to add features such as tactility, backlighting, and environmental protection. Contact ECI today to learn more!

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ECI Technologies $$$

Santa Ana, CA  |  800-228-6693

Membrane switches are our business, and for over 40 years we have remained a leading manufacturer in our industry. We credit our success to our innovative products, manufacturing techniques, and dedication to customers. We have a mission of providing the most competitive prices and expert engineering in the business today.

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Weber Precision Graphics $$$

Chaska, MN  |  800-959-0108

Founded in 1972, Dyna-Graphics is a world leader in membrane switch technology. Dyna-Graphics’ membrane switch technology product line includes rubber keypads, graphic overlays, touch screens, printed circuit boards, printed circuit board assemblies, and flexible printed circuit boards for membrane switches and rubber keypads, as well as environmentally sealed membrane switches.

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Dyna-Graphics Corporation $$$
placeholder image ALUDEC USA JN White ECI Technologies Weber Precision Graphics Dyna-Graphics Corporation

A basic description of common capacitive touch screen involves surface capacitance, which means that only one side of the product, such as a thick glass screen, is covered with a conductive substance. Other varieties of application are also used, such as the etched conductive layer of projected capacitance.

Certain types of plastic may also be used as the base screen, while the conductive substance is commonly a solution of indium tin oxide; this liquid dries clear when applied in a thin layer while still retaining a high electrical conductivity. Other varieties of coating are also used in capacitive touch screens, although not as often as the liquid already mentioned.

Capacitive touch screens are found in a variety of environments. Banks utilize them for ATM services, enabling individuals to access their accounts and practice transfers, deposits and withdrawals with their fingertips. Many grocery stores now have self check-out lines that utilize capacitive touch screens, allowing customers to purchase objects that can not be self scanned, such as fruit, through interacting with the screen.

These touch screens are also the faces of smartphones such as iPhones and Blackberrys, and are therefore being carried through every industrial and commercial setting in the world. Other touch screen technologies are also utilized in today's market, such as resistive touch screens that utilize membrane switches and infrared touch screens. Infrared touch screens employ an x and y axis based program accessed by the breaking of infrared lights through touching the screen.

Where on the grid the light is disturbed is processed by way of the x y axis, linking to the next screen or series of options. Touch switches are the membrane switch touch screens that involve pressure to enact the proper response on a screen, since the electrical charge that tells the computer program what to do require two thin metal layers within the screen to connect.

All of these programs have positive and negative qualities, therefore giving touch screen producers many options for production.

Capacitive Touch Screens Informational Video