Category Archives: Soldering


May05
Why Burn/In(B/I) still cannot screen out the DDR soldering fail?

發表於 May 5, 2015

Recently we met a DDR memory BGA (Ball Grid Array) soldering fail issue. Actually the is HIP (Head-In-Pillow) that two balls under the BGA package. We sent a people to field to check how customer do the operation and found … Continue reading →

Manufacture, Quality, Soldering     WorkingBear    Views (3,204)     comment (0)

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 (6,657)     comments (2)
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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 (3,207)     comment (0)