Category Archives: Manufacture


Jun19
Increase solder paste volume will improve the MLCC capacitor broken?

發表於 June 19, 2017

Recently WorkingBear got complaint from R&D and ask increase the solder paste volume on the MLCC (Multi-Layer Ceramic Capacitor)  component pads to improve the capacitor broken issue. R&D said he had verified that the capacitor’s footprint in the board design … Continue reading →

Design, Manufacture, PCB, Quality, Reliability, SMT, Soldering     WorkingBear    Views (4,857)     comment (0)
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Jan05
Comparison between shielding-can directly mount and shielding-clip/frame

發表於 January 5, 2017

Recently one of my top manager ask to mount the shielding-can or call shielding-cover directly on the Printed Circuit Board to instead of mount the shielding-clip or call shielding-frame on the board first then cover the shieling-can. He said this … Continue reading →

Design, Manufacture, SMT     WorkingBear    Views (4,539)     comment (0)
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Apr07
Solution to the Drop of First-Side Part during the Second Reflow Soldering

發表於 April 7, 2016

First of all, with the rapid growth of mobile phone technology, the Electronic Manufacturing Service (EMS) in mainland China sometimes meet serious labor shortage. Second, the Industry 4.0 promotes the requirement of factory automation for each EMS. Therefore, many parts … Continue reading →

Design, Manufacture, SMT, Soldering     WorkingBear    Views (4,412)     comment (0)
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Mar09
What Process Impact of Substituting SMDs with Paste-In-Hole components?

發表於 March 9, 2016

Someday, there is one question came from my manager, “Is there any difference or influence on the process and design if we changet the SMDs (Surface Mount Devices) to THDs (Through Hole Devices) type and go through the PIH(Paste-In-Hole) process?” … Continue reading →

Manufacture, SMT, Soldering     WorkingBear    Views (4,139)     comment (0)
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Feb01
Solder Preforms – Another Choice for Solder Volume Increasing Solution

發表於 February 1, 2016

Today, most of electronic components are developed into smaller size. The small chips are downsized from 1206 to 0805, 0603, 0402, 0201, even to 01005. The size of chip is smaller; the required solder volume is less. Moreover, the required … Continue reading →

Manufacture, SMT, Soldering     WorkingBear    Views (5,043)     comment (0)
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