Monthly Archives: July 2023

Jul27
The Myth of PCB Baking: Can Pre-Baking PCBs Improve Solderability?

post on July 27, 2023

WorkingBear has noticed that many engineers or managers involved in Surface Mount Technology (SMT) have a strong passion for “PCB baking,” but their understanding of the concept might not be very clear. If you browse through discussions on PCB and … Continue reading →

Moisture Sensitive, PCB/FPC/PTF, Process, Quality, SMT, Soldering     WorkingBear    Views (6,241)     comment (0)
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Jul18
Why are there holes on the PCB? What is PTH, NPTH and vias?

post on July 18, 2023

If you ever get the chance to hold a printed circuit board (PCB) in your hands and take a closer look, you’ll notice there are many different-sized holes. When you hold it up to the light, you’ll even see lots … Continue reading →

Design, PCB/FPC/PTF     WorkingBear    Views (8,311)     comment (0)
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Jul13
What is blind hole, buried hole and plating hole for PCB?

post on July 13, 2023

In the early response to a user’s question, WorkingBear mistakenly mixed up the terms “blind hole” and “buried hole” when talking about PCBs. To prevent similar errors in the future, WorkingBear took the initiative to study some books about PCBs … Continue reading →

Design, PCB/FPC/PTF     WorkingBear    Views (5,235)     comment (0)
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Jul11
Preventing Solder Cracks in BGA Designs: Strengthening Tips from the Design End

post on July 11, 2023

Lately, many colleagues have been asking WorkingBear for advice on designing BGA (Ball Grid Array) packages to prevent solder joint cracking and improve overall durability. This sudden interest came after a senior manager raised concerns during a new product development … Continue reading →

Design, Glue/adhesive/epoxy/underfill,, Quality, SMT, Soldering     WorkingBear    Views (4,863)     comment (0)
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Jul04
Exploring EVT/DVT/PVT: Explaining the Three Crucial Validation Stages in New Product Development

post on July 4, 2023

When developing a new product, it is common to conduct a “pilot run” to obtain a prototype sample. This serves two purposes: firstly, it allows developers to further test and validate the prototype’s functionality, and secondly, it helps the manufacturing … Continue reading →

Design, Management, Process     WorkingBear    Views (11,457)     comment (0)
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