Archive for the ‘Metal Dome Arrays’ Category

Metal dome array structure

Friday, November 8th, 2013

Do you know the metal dome array structure? If you are not very clear, please see here to know more:

1. Single-layer:  It’s just one Mylar with snap domes.

2. Double-layer: Top layer is Mylay, 0.025mm thickness; below with Spacer with snap domes(spacer layer), 0.05mm or 0.075mm thickness;

3. third or more -layer: such as our EMI dome array, LGF dome array, there is a extra layer with EMI or LGF one the top layer.

If you need more information, please contact us, we are glad to serve you.

What’s the difference between Laser cutting and mold to make metal dome array?

Wednesday, November 6th, 2013

How to make metal dome array? There are two ways: laser cutting and set up the mold. Today, Let’s have a look the difference between them:

Laser cutting                mold
(1). Cost:  no tooling fee         tooling cost higher
(2). Tolerance: +/-0.20mm               +/-0.15mm
(3). Capacity:   10K/day                  50K/day

If your order quantity is relatively large and requirements is relatively high, we suggest you set up mold, and when your order quantity reach a certain number of the amount, it will be returned to you. If you are small in number, we suggest you use our laser cutting for production of metal dome array, as it’s very fast and convenient.

If you have any questions, please feel free to contact us.

What’s the tolerance of the metal dome array?

Saturday, November 2nd, 2013

Generally speaking, whatever products made do have a certain tolerance.Then what’s the tolerance of the metal dome array?

According to different production methods, metal dome array tolerance is also different.

1. Laser cutting tolerances: about 0.15-0.20mm;
2. Mold making: can be controlled in 0.10mm.

If your order quantity is not so many, then I suggest you use our laser cutting to make, it can save you the cost of mold. But if your order is larger and the size we can’t make with laser cutting, then we should set up the mold.

Now you should clear the tolerance of the metal dome array, you can choose to which one is better for you, no matter which you choose, we are very pleased to cooperate with you.

How to calculate the whole thickness of the metal dome array?

Thursday, October 31st, 2013

Do you know how to calculate the whole thickness of the metal dome array? As this is also very important for the whole product design.

Now we make the metal dome array the structure is double layers: Mylar + spacer + snap dome. The total thickness is equivalent to Mylar + snap dome thickness,here we can ignore the spacer thickness, because spacer is shrapnel to snap domes. Mylar thickness is generally 0.025mm, metal snap dome thickness according to the shape and diameter. Such as our 5mm, 160g,circle snap dome: the thickness is about 0.20mm, then the total thickness is 0.025 +0.20 = 0.225mm.

Now I think you should know to calculate the thickness? As each snap dome with different thickness, please contact us  to request the drawing which with details information.

How to make metal dome array?

Saturday, October 26th, 2013

How to make metal dome array? Here for me to tell you details. We make the metal dome array according to customers’ drawings. As long as you have a product drawing, including snap domes location, outline size, then we can start the production.

There are two ways for us to make: one is laser-cuting, another is to set up tooling. Laser cutting does not require the cost of mold,it’s very fast and convenient.

CMD Manufacture will be your best parter of metal dome array, if you have any need, please do feel free to contact us.

Metal dome array characters

Friday, October 25th, 2013

The last time we talked about metal snap domes characters, so this time let’s have a look at the metal dome array characters. Please see the structure of the metal dome array:
1, Mylar: the top layer, transparent, thickness is 0.025mm;
2, Spacer: transparent and white two kind;
3, Bakcing paper: the bottom layer, backing to the dome array, it can Prevent dust;

Metal dome array is also very simple,we make it according to customer’s drawing. So please send me your drawing to have a quote.