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Author Archives: WorkingBear
Jun10
PCB rework: Selective solder mask removal by laser
As an engineer in the electronics manufacturing industry, have you ever encountered the need to rework a printed circuit board (PCB) to remove the solder mask? If so, how did you approach this problem? Traditionally, the solder mask is manually … Continue reading
Jun03
TQRDCE Performance Expectations and Review
This is an example that implement TRQDCE form for vendor survey. TQRDCE Introduction: The company’s approach to establishing and maintaining long-term working relationships involves creating and monitoring mutual performance expectations and measurements. The use of performance metrics, constructive feedback, and … Continue reading
May27
Improve BGA Solderability By Partially Increasing Solder Paste Volume
Improving the solderability of BGA (Ball Grid Array) packages is always a big challenge for the SMT (Surface Mount Technology) process. Fine pitch BGAs (with a ball pitch less than 0.8mm) are particularly difficult to solder onto the PCB. Additionally, … Continue reading
May20
Shipping carton drop/impact test condition
Do you know how vendor ensure that their products are not damaged during shipping due to handling by transporters or delivery personnel? Reputable vendors put effort into designing and selecting suitable packaging materials for shipping to ensure the quality of … Continue reading
May14
Temperature Environmental Cycle Profile
The purpose of temperature environmental test is that the good are shipped by various types of carriers and experience a wide range of storage temperatures, depending on the customer environment, hence the need for this kind of testing. Further, certain … Continue reading
