Archive for the ‘Snap domes’ Category

Do the metal dome force can be adjusted?

Monday, March 11th, 2013

What’s the force of the metal dome(snap dome)? The metal dome force is the amount of the force when you press down the metal dome,so do the metal dome for can be adjusted?

In general, We have the most popular force for the each item, but if the customers have special requirements,we also can make in accordance with the requirements.

For example, our for-leg metal dome have 200g, 250g, 280g, 320g, 350g. If you need 300g, 400g we also can do. But if your order is too small, we
recommend to use popular force, as it would be more trouble for small quantity.

Our company make the quality of metal dome, snap domes is very stable,please contact our sales for your inquiries.

Large snap domes

Monday, October 17th, 2011

Large snap domes means the diameter of snap domes is large. How large we can make?

1. Four-leg snap domes: we have 16mm, and 20mm diameter;
2. Circle snap domes: We can make 12mm,16mm and 19mm diameter;
3. Triangle snap domes: 12mm diameter;
4. Oblong snap domes: 25.4*12.7mm, 25.4*12.7mm,and 50.8*12.7mm.

If you need these large snap domes, please don’t hesitate to contact with us, thank you.

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

Friday, August 5th, 2011

What’s the snap dome force, Re-force and click ratio? Please see below for details.

Snap dome force is that the amount of the force when you press down the snap dome to contact the pcb. It should be stability of the force in order to ensure quality of the snap dome.

Re-force is the pressure let the snap dome return back to top.

Click ratio=(Force-Re-force)/Force*100%, the click ratio is narmal between 35%-75%

If you want to know more details about snap dome, please contact us for more information.

                        CMD Manufacture specialize in metal domes, snap domes, metal dome array, dome sheet, poly dome!!!

PCB board PAD design of snap domes

Friday, January 14th, 2011

We often receive customers asked the PCB board PAD design of snap domes, because they are the first time to use snap domes for their products. For the design of PAD on the PCB is not clear, today we explain this issue as below:

 1, single-sided: All types of snap domes are basically suitable (including circle snap domes, cross snap domes, triangle snap domes and oblong snap domes);
 2, two panels: Suitbale for all types metal domes expect round metal domes;
 3, the design of the PAD form as below:
PCB PAD design of snap dome

If there is anything you do not full understand of the PCB board PAD design of snap domes, please contact us, we can then send you more detailed information for reference purposes.

Related Posts:
1. How do I apply the snap domes to PCB, FPC or membrane switches?
2. Metal dome for pcb;
3. Can metal dome be soldered to printed circuit board?