Category Archives: FAQ

What is one key metal dome array(DA)?

One key dome array means the dome array with only one metal dome(snap dome), this commonly used in only one button or key switches. Below some info FYI 1.The size for metal dome can be 3-16mm, size for the dome … Continue reading

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What’s the snap dome force, Re-force and click ratio?

Are you clear about the meaning of force, Re-force and click ratio? Please see below for details. Snap dome force is that the the force when you press down the snap dome to contact the pcb. It should be stability … Continue reading

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What is dome sheet venting

The movement of air is called venting and is important for dome array sheet work. If there is no venting(air channel),it will affect the click feeling and switch functions.Even though it is not needed for every product,It is desirable in … Continue reading

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The triangle metal domes can be made into dome array?

As you know, the triangle metal domes are divided into two types, with legs or without legs. Triangle metal domes without legs can be made with metal dome array. While the metal dome with legs can not be done, this … Continue reading

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The minimum diameter of the metal dome?

Maybe you are looking for some small size metal domes,do you know the minimum diameter of metal dome we can make? Below diameter of small metal dome are most used. 1, circle metal dome: 2.5 mm diameter, 2, four-leg metal … Continue reading

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What factors will influence the conduction?

Some customers feed back the conduction of metal dome is not good, ask us what reasons. Mainly six reasons in the following, we also provide the solutions of each. (1) Factor: contact side of metal domes has dirty; Solution: clean … Continue reading

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What determine the price of the metal dome array?

As we know, the dome array is customized, so you will wonder how we calculate the price of dome array you ask, normally it’s mainly determined by below: The size of dome array sheet, such length and width, can make by … Continue reading

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How to improve click feeling of metal dome?

The customer always concern click feeling of metal dome, normal we can make is 50%+/-10%, so if customer wants higher click feeling, how can we improve it? First, we should know the click feeling is not only relationship with shape … Continue reading

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Do Metal dome and metal dome array are RoHS compliant?

Answer is yes. Most of products are exported to abroad, such America, Brazil, Canada, UK, France, etc, you know it must be with RoHS standard. We have ISO certificate, and every year we make SGS and REACH report. So you … Continue reading

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Do the different shapes and diameters snap domes can make into one metal dome array?

If you have different feeling requirements or different force requirements for one PCB board, I think you maybe confused that if the different metal domes can be made into one dome array. The answer is yes, now I am gonna … Continue reading

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