Category Archives: Reliability


Mar21
Electronic Product Burn-In and Run-In: What They Are and Their Pros & Cons

post on March 21, 2025

In the early days, when electronic component design and manufacturing were still in their infancy, burn-in (B/I) was widely used to screen out defective products. This process helped eliminate early failures before products reached customers, reducing the risk of complaints. … Continue reading →

Process, Quality, Reliability, Test/Inspection     WorkingBear    Views (3,810)     comment (0)

Mar06
What is the Popcorn Effect in PCBs and Electronic Components?

post on March 6, 2025

The Popcorn Effect, also known as blistering, is a phenomenon in PCBs and electronic components in which demamination or internal bubbles can form when the material is exposed to high temperatures during soldering. The phenomenon is similar to popcorn popping and … Continue reading →

Moisture Sensitive, PCB/FPC/PTF, Process, Quality, Reliability     WorkingBear    Views (6,073)     comment (0)
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Jan24
Top ENIG PCB Issues: Black Pad and Phosphorus-Rich Layers Explained with Prevention Tips

post on January 24, 2025

With the rapid adoption of smartphones, the trend toward miniaturized electronic products, and the EU’s requirements for lead-free manufacturing, Electroless Nickel Immersion Gold (ENIG) surface treatment PCB has become a popular choice for many electronic products. This is largely due … Continue reading →

EDX/EDS/SEM/IMC/FTIR, PCB/FPC/PTF, Process, Quality, Reliability, SMT, Soldering     WorkingBear    Views (8,841)     comment (0)
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Dec26
The Relationship Between MFI and Re-grind/Recycle Resin in Plastics

post on December 26, 2024

When discussing whether using re-grind resin in plastics leads to degradation, Workingbear sought advice from industry experts. Most professionals agreed that it does cause degradation. However, opinions on whether MFI values can reliably indicate the presence of re-grind resin are … Continue reading →

Plastic, Quality, Reliability     WorkingBear    Views (3,354)     comment (0)

Dec19
7 Ways to Identify if a Plastic Factory is Using Re-grind Resin

post on December 19, 2024

It’s an open secret in the plastic injection molding industry that re-grind resin is often added during injection. Some manufacturers even claim that, given the current competitive environment and cost-cutting pressures, it’s impossible to make a profit without using some … Continue reading →

Plastic, Quality, Reliability     WorkingBear    Views (2,530)     comment (0)