What Makes A Harsh Environment A Harsh Environment?

摘要

What makes a harsh environment? Like many questions in life the answer is, "It Depends". For humans, a harsh environment includes extremes of temperature or elevated altitudes. For electronic equipment, it includes temperature, of course, but also encompasses electrical stresses such as ESD or electromagnetic fields; mechanical stresses such as vibration, shock, or pressure; and chemical stresses such as salt water or corrosive chemicals.