Category Archives: metal dome array

How to Produce the 3M Adhesive Dome Array?

Namely, 3M adhesive dome array uses the 3M adhesive instead of the common adhesive used in the dome array. 3M adhesive is a little bit thick. Some of them even have the ability of high temperature resistance. So, it should … Continue reading

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The Structure of the Metal Dome Array

Metal dome array, generally, is double layer structure, but there is also single-layered. For the double layer dome array, there are two layers, including Mylar, spacer and metal dome. The uppermost is the Mylar with the thickness of 0.05 mm, … Continue reading

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What are the Main Applications of Different Metal Domes?

We all know that there are four types of tactile metal domes, including four-leg, circle, triangle and oblong. And these domes play different roles in various fields, even some of them can be substitute for each other. However, they virtually … Continue reading

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How to assemble metal dome on PET adhesive sheet?

Normally we have three method to assemble metal dome on PET adhesive sheet. Please check details below: Assembly jig: this is the assembly method we use often currently. According to the drawing of PET adhesive sheet (dome array) to make … Continue reading

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How to measure the diameter of triangle metal dome?

Are you wondering how to measure the diameter of triangle metal dome? If you are interesting, let me introduce it brifely. Method one: We know there are three vertices on each sideline of traingle dome, so we can draw a … Continue reading

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Do you know the differences of tooling types that making metal dome?

Normally we will use two types punching toolings to make metal dome: high speed tooling and low speed tooling, see below photos. Is there any difference in metal dome they produce? The answer is ” Yes”, there are many differences, please … Continue reading

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What’s light guild film and what function of it?

LGF, also known as light guide film , is a new product designed to improve the existing light guide film. It is to add a layer of LGF to the current common double layer metal dome structure, so as to achieve good light distribution effect. … Continue reading

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What’s caused the poor click feeling when pressing metal dome?

The click feeling of metal dome is very important for the using of whole product, a good click feeling not only need the metal dome has very good click feeling, but also related with the assembly of whole product, if … Continue reading

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What problem or issue would have if the metal dome height and PET adhesive size are not suitable?

Recently, we got feedback fron one of our customers that found Plastic of Dome Switch bulge and peel off as below photo when production after assembly dome array on PCB, we could see the place from the red arrow. Why … Continue reading

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What the difference between metal dome with dimple and without dimple?

We had knew that metal dome has different types, without dimple and with one or several dimples, but do you know what the difference between with dimple and without dimple? The biggest difference is the difference in conduction stability, the … Continue reading

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