The key point to determine the quality of metal dome and snap dome is that whether the metal dome is cleaned or not. If the metal dome switch is not cleaned, it will affect the conduction of circuit board, which causes a functional problem, so the process of cleaning is very important. The cleaning of metal dome is done by Ultrasonic, Steps as below:
1)Put unclean snap domes in box
2)Using a special chemical potion with about an hour of cleaning for tactile dome
3)Clean tactile dome by clean water after medicine cleaned
4)Drying metal dome for an hour
5)Taking out metal domes or snap dome from box and Loose packaging with bag.
If cleaning is not thorough, there may be laminated, rust and stains will be produced. So we need to check the appearance of metal domes carefully, such no scratch or crush on the surface and no deformation, spots, dirty.
Best Technology, your best partner in Asia, is professional for dome sheet and dome switch more than 15 years in China. Please feel free to contact us if you have any question about snap dome.
