Posts Tagged ‘Incoming inspection’

Incoming inspection of metal dome array

Monday, February 17th, 2014

Last time we talked about the incoming inspection of snap domes, then today to talk about the incoming inspection of metal dome array. As IQC quality staff should be well known the following test items:

1, Appearance inspection; whether there is dirty and must be kept clean;
2, Check if there have snap dome missed and double snap domes;
3, If it is exactly the same as drawing;
4, if there is EMI printed, pay attention to the printing line is uniform and quality; domestic typically require the EMI less than 3 ohms;
5, others, such as flash, tolerance and so on.

Our company manufacture the high quality of metal dome arrays, which is well known from our customers. If you have the drawing, please send to us to have making.

Incoming inspection of snap domes

Friday, January 3rd, 2014

How to inspect the incoming of snap domes?, what items need to inspect? I think it’s not all IQC guys know these, today we will have a details:

1, Appearance: do have dirt, grease, stains on top;
2, Burr: A4 paper can be tested along side;
3, Force: test by force machine;
4, The contact resistance test;
5, life cycles: this is very important, we test the snap domes by life tester.

Incoming inspection of metal snap domes is very improtant for IQC dept., so that we can ensure that all end-products with high quality. Do you have a clear to know these items? if you need to know more details, please leave your message.