Author Archives: WorkingBear

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Apr27
How EMS fabricate a PCB Assembly?

發表於 April 27, 2015

How EMS (Electronic Manufacturing Services) fabricate a PCB (Printed Circuit Board) Assembly? This article is writing for the people who still not yet really under what is the PCB Assembly. Because WorkingBear found there are many people just come to … Continue reading →

Manufacture, SMT, Soldering     , , , ,
WorkingBear    Views (4,396)     comments (2)

Apr24
How to select a good actuator design for right angle connector?

發表於 April 24, 2015

As my personal feeling that Right-angle FPC ZIF connector is really more easily to use than Drawer type of ZIF connector. Even right-angle connector is good but do you know how to select a good design of this kind of … Continue reading →

Connector, Design, Manufacture, Quality     WorkingBear    Views (1,755)     comment (0)

Apr23
The benefit to use shielding clips to instead of shielding frame

發表於 April 23, 2015

For almost of the frequency radio apparatus, the Printed Circuit board must design the shielding frame/can to prevent the EMI (Electromagnetic Disturbance Interference) effect. The regular design will apply one shielding frame to mount on PCB by solder and another … Continue reading →

Design, SMT, Soldering    
WorkingBear    Views (1,643)     comment (0)

Apr23
How many dimple need to be used for keypad metal dome?

發表於 April 23, 2015

Last article I mentioned that my company applied the metal dome without dimple as keypad contact solution just like the cell phone but we had trouble and met keypad press insensitive  issue. Now we solved the problem by adding the … Continue reading →

Design, Keypad, Quality     ,
WorkingBear    Views (1,809)     comment (0)

Apr22
Why metal dome keypad must design dimple on it?

發表於 April 22, 2015

Recently my company phased in the metal dome as rubber keypad contact solution. This metal dome solution had been implemented to many cell phone keypad solution also. Better key press feeling, longer life and good reliability is the benefit to … Continue reading →

Design, Keypad, Quality    
WorkingBear    Views (2,702)     comment (0)
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