Monthly Archives: June 2025

Jun26
What is Environmental Stress Screening (ESS)?

post on June 26, 2025

Environmental Stress Screening (ESS) is a method used to apply certain environmental and operational stresses—such as power on/off cycles, bias voltage, pressure, thermal cycling, and vibration—to new or repaired products (usually electronics or components). The idea is to expose hidden … Continue reading →

Process, Quality, Reliability, Test/Inspection     WorkingBear    Views (3,890)     comment (0)

Jun19
What Is EDX/EDS? A Beginner’s Guide to Elemental Analysis in Materials Science

post on June 19, 2025

Energy-Dispersive X-ray Spectroscopy (EDS or EDX) is a common, non-destructive technique used in the industry to quickly identify the elemental composition of a sample’s surface. In electronics manufacturing and material analysis, knowing what elements are present is critical for quality … Continue reading →

EDX/EDS/SEM/IMC/FTIR, Quality     WorkingBear    Views (6,578)     comment (0)

Jun12
Impact Drop Test Requirements in Electronic Product Development

post on June 12, 2025

During the design and verification phase of electronic products, an Impact Drop Test is a standard procedure. This test is generally divided into two phases: Product Drop Test – Testing the device without packaging. Packagage Drop Test – Evaluating the … Continue reading →

Design, Plastic, Quality, Reliability     WorkingBear    Views (3,980)     comment (0)

Jun05
Tumble Test: How to Prevent PCB and BGA Failures in Electronics Manufacturing

post on June 5, 2025

From what I remember, one of the earliest and most frequent requests for tumble testing came from Motorola. Since some of Motorola’s mobile phones and products were designed for military use, their reliability and quality standards were exceptionally strict. However, … Continue reading →

Design, Process, Quality, Reliability     WorkingBear    Views (2,652)     comment (0)