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Author Archives: WorkingBear
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
May12
Humidity Temperature Cycle Profile
The humidity test is designed to determine the effects of humidity on the product and assure that the product will meet published specifications while being subjected to high humidity conditions. This is an accelerated test to uncover failure modes in … Continue reading
