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What’s the Function of Dimple on Metal Dome? www.oranjo.euban site
When pressure is applied to the metal dome, the dimple will collapse, causing the dome to deform and make contact with the underlying circuit layer to form a loop, thus registering a keypress or button press. Dimple is an optional on most types of metal domes, but for triangle metal dome, it is needful and always be designed on its center and around the sides.
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posted by metaldome 6 months ago
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Applications of Metal Domes with Dimples
Generally speaking, all of the metal domes are the custom and they are unique. They always designed to meet the specific requirements. Let’s make a simple example: if the metal domes are used for equipment in nursing home, then the travel and trip force should be smaller to make old people easy to press. And vice-versa, the controller devices in automotives such as horn control interface should have a strong trip force so that can avoid the unintended activation. Different snap domes should be designed according to the specific devices and follow the design guide. Below are some popular applications that metal dome with dimples will be used in.
Generally speaking, all of the metal domes are the custom and they are unique. They always designed to meet the specific requirements. Let’s make a simple example: if the metal domes are used for equipment in nursing home, then the travel and trip force should be smaller to make old people easy to press. And vice-versa, the controller devices in automotives such as horn control interface should have a strong trip force so that can avoid the unintended activation. Different snap domes should be designed according to the specific devices and follow the design guide. Below are some popular applications that metal dome with dimples will be used in.
Before dive into the assemble process, we should know the structure composition about a membrane switch. In generally, all the tactile switches are made by six layers, whatever it is the simplest PET membrane switch or the complex fiber optical tactile switch. The six layers are including: