Archive for July, 2010

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The advantages of metal dome keypad

Wednesday, July 14th, 2010

Compare to silicone keypad, what are the advantages of the metal dome keypad? Why should we choice metal dome keypad?

From now on, The most advantage of the metal dome keypad is compared to silicone keypad the better click feeling. The metal dome keypad is that there is metal dome array between the keypad and circuit board, when you press the keypad or switches, it will come back to operator better return force and click feeling. It’s a highly efficient and affordable designer for user.

But for metal dome keypad, maybe there will extra works and material, so the cost is a little higher than silicone keypad, I’m not complete sure. With more than a million times of life, and metal dome keypad became the most common choice.

If you want to know more details, please feel free to contact us.

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Raw edges of metal dome array

Saturday, July 10th, 2010

Sometimes when we make the metal dome array which will cause the raw edges, so why is that and how can we slove that?

The reasons and solutions as below:
1. The mold for metal dome array outline not in balance—we should adjust the mold;
2. Blade for outline mold isn’t shape—handing the blade of mold;
3. Big gap between upper and lower molds—-adjust the specifications;
4. Thinner material—use the thicker material.

For the unqualified products, we can’t let them out of factory, we have a very strict quality control system to ensure the quality of our metal dome array. Please don’t worry about the quality of our products.

Ok, if you need any further information about snap dome and dome array, please do feel free to contact us.

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Snap dome diameter and thickness of material

Wednesday, July 7th, 2010

Maybe some customers want to know if there is relation between Snap dome diameter and thickness of material.

Snap dome, also named metal dome, we have circle shape, four-leg shape, triangle shape, and oblong shape. The diameter from3mm to 20mm. You can see below rough thickness of material for different diameter:

1. 3mm-5mm diameter snap dome, normal use the 0.04mm-0.06mm thickness of stainless steel material;
2. 6mm-8mm diameter snap dome, normal use the 0.06mm-0.08mm thickness of stainless steel material;
3. 9mm-12mm diameter snap dome, normal use the 0.08mm-0.10mm thickness of stainless steel material;
4. 16-20mm diameter snap dome, normal use the 0.10mm-0.12mm thickness of stainless steel material;

The bigger diameter snap dome, the thickner material. The material also determine the quality of snap dome. Material of choice was out of our practical production.

Ok, if you need further information, please contact us.

Relative Posts:

1. The specifications of metal dome;
2. Snap Dome Manufacturer and Supplier in china;
3. material of metal dome(snap dome);
4. LGF metal dome array specifications.

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