Mobile phone key-press shrapnel should pay attention to quality problems
Mobile phone key-press shrapnel direct test general national standards for 100000 times, the general mobile phone life we calculate five years, basic is super enough, if you have questions can under test conditions.
So, that is commonly used in our life, mobile phone keys shrapnel should pay attention to what quality problem?
Clean, no raw edges, burrs, feng)
Use strength tester or curve of instrument for testing)
Test its value size, stable performance of 4)
According to a few with the hand, according to a few times more, and see if the rebound effect, will not appear dead Key phenomenon, namely according to go back to do not go up.
Finished product if do mobile phone shell conductive film, also plus points: 5)
Conductive membrane clean, do you have any smudgy 6)
If there is a leak posted promptly or double shrapnel 7)
The location of the shrapnel is consistent with the drawings (
With drawings or with PCB board contrast)
If there is a printing, then look again at how about the quality of printing, silk screen of the web thickness is the same.
Others, such as hole structure, shape, etc.
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