Seach This Blog
Tag Cloud
AOI Baking BGA Burn/In(B/I) CAF Carrier Component drop/detachment Concept DFx ECM (Electrochemical migration) EDX/EDS/SEM ENIG FATP Flux FVT Gold HASL HIP(Head-In-Pillow) ICT IMC Manufacturing glossary metal dome MFI newbie NWO(Non-Wet-Open) OSP Oxidation Panel & De-panel PIH Popcorn-Effect Problem analysis & solving PTF Red Dye Penetration Reliability Short circuit Solder broken crack Soldering Solder paste Stencil Temperature Profile Troubleshooting V-cut Warpage Wave-soldering X-raySponsor
Categories
- Case study
- Connector
- Corrugated Paper
- Design
- EDX/EDS/SEM/IMC/FTIR,
- Fundamental Science
- Glue/adhesive/epoxy/underfill,
- Keypad
- Management
- Manufacture
- Moisture Sensitive
- PCB/FPC/PTF
- Personal Opinion
- Plastic
- Process
- Product Introduction
- Quality
- Reliability
- Role & Responsibility
- SMT
- Soldering
- Test/Inspection
- Uncategorized
Bookmarks
Histats
Statcounter
Email Subscription
Author Archives: WorkingBear
Jun01
What is Wave Soldering? Laminar Wave and Turbulent Wave Purpose
Before the development of Surface Mount Technology (SMT), almost all printed circuit board assemblies (PCBAs) had to go through the process of wave soldering to achieve the purpose of soldering electronic components to the board. The process of “wave soldering” … Continue reading
May30
The Hidden Dangers of Using Overdue PCBs: Can Baking Salvage Them?
All materials actually have its shelf-life, some shorter and some longer than others. So what happens when expired materials are used? Think about what will happens when you eat expired food. What about using expired Printed Circuit Boards (PCBs)?
May22
What is the Purpose of Surface Finishes for PCB? A Summary of the Pros and Cons of Common PCB Finishes
This is just a summary article about PCB surface finishes. Workingbear has only worked on the electronic system assembly factory and has not been involved in the production process of bare PCBs. Therefore, the following insights are based on personal … Continue reading
May18
Clarifying the Concept of Electronic Component Soldering Strength
While organizing an article on the structural analysis of Micro-USB connectors, Workingbear came across an interesting soldering concept that he would like to discuss with everyone. During the product development and NPI verification phase, RD often comes to me, I … Continue reading
May16
What is the difference between PCB and PCBA? PCB is like land with roads, but it doesn’t have buildings yet
What is the difference between PCB and PCBA? This is actually something that should be easily understood, but since someone asked, Workingbear will try explain it briefly here. If any readers notice any errors, please feel free to correct me. … Continue reading
