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ITO Touch Sensor – How do touchscreens work?

Touchscreens and the technology used to produce them is often taken for granted, but if you have ever wondered how touchscreens work, read on.

ITO Touch Sensor – How do touchscreens work?

It’s fair to say that each and every day the majority of us use a touchscreen in some form. Even if you do not use a smartphone or tablet, there are other applications for touchscreens all around us, commonly used in retail environments, for instance.

Technology like this is often taken for granted, but if you have ever wondered how touchscreens work, read on…

How do touchscreens work?

There are two main forms of touchscreens: capacitive and resistive – and they work in very different ways. A resistive touchscreen produces touch commands based on downward pressure (the touch) on a screen. Behind the screen there is an X-Y grid, giving specific locations within the screen (simply put, this is just like the game Battleship).

Resistive touchscreens are incredibly robust which allows for more public facing touchscreens to be used confidently.

Retail based touchscreens and ticketing kiosks benefit from this form of technology, whilst retaining a level of toughness required in such environments. This also applies to other industries such as medical and military. Command consoles, for instance, need to be both reliable and hard-wearing.

A negative of resistive touchscreens is that only one touch command can be registered at any given point in time. Capacitive touchscreens allow for multiple touch commands and gestures.

A capacitive screen will have a Transparent Conductive Oxide (TCO) applied to the screen. This essentially makes the touchscreen conductive and as the human touch is also conductive, devices can register a touch and pinpoint the exact location of touch, as well as identify a specific gesture, such as a swipe.

Capacitive screens are widely used in smartphone and tablets production due to their optical clarity and the accuracy of the touch on screen.

Indium Tin Oxide Touchscreens

At Diamond Coatings, we produce touchscreens using Indium Tin Oxide (ITO). Indium Tin Oxide is commonly used in the production of touch screens as it is electrically conductive and also transparent.

An added benefit of ITO glass is the fact it can be further coated with protective insulating layers, offering a robust solution to touchscreen technology.

How can we help you?

Diamond Coatings are an award-winning ITO touchscreen manufacturer based in the Midlands. We are able to supply anything from development to production volumes and available sizes up to 1,000mm x 1,000mm. We can also produce flexible or rigid plastic screens. On both glass or plastic screens, we can provide an anti-reflective finish.

For more information, or to speak directly with one of our advisors, please get in touch with us today.

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Anti Reflective Coatings

Where there is light, there will be reflection – A true statement perhaps, but there are many applications in our modern world that benefit from zero reflection, none more so than the safety screens that we have all now become used to.

Conductive Glass Coating

Can glass be conductive? What is conductive glass used for? Why would you need conductive glass? We have the answers for you…

ITO Coated PET

The range of products using ITO coated PET is huge, including touch sensors in cars, large format retail displays and medical applications.

Conductive Glass Slides

Indium Tin Oxide coatings are perfect for use as conductive glass slides as ITO is highly conductive as well as being totally transparent

Questions? Contact us?

Talk to an Expert Today

If you are interested in any of our products or services, please use the contact form or  give us a call, we will be happy to discuss how we may be able to help you.

Diamond Coatings operate a state-of-the-art magnetron sputtering plant, equipped with clean rooms, from modern factory premises located in the heart of England, the Midlands. We provide a variety of products, namely Indium Tin Oxide (ITO), Anti-reflection (AR) coatings on plastic or glass, monolithic RFI shielding filters on plastic or glass, Touchscreens, capacitive or resistive, glass supply, mesh windows.
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