That mode having the lowest natural frequency.

The conditions (e.g. temperature and humidity) characterizing the air or other medium that surrounds the UUT.

A malfunction consisting of cracking, excessive displacement, misalignment, loosening, etc.

A product under test ceases to operate correctly, but resumes correct operation when the stressing environment is eased. Also known as an intermittent failure. See hard failure. Note: All solid sate d [..]

Vibration HALT; the part of the HALT process using random vibration stress under ambient conditions

A post-production activity on a sampling (initially 100%) of units. The intent is to precipitate hidden or latent failures caused by poor workmanship and to prevent flawed units from reaching the next [..]

A type of environmental test chamber designed to implement test procedures defined by the Advisory Group on Reliability of Electronic Equipment.

The frequency range in hertz (Hz) within which a measuring system can accurately measure a quantity.

Continuously powering a product at constant elevated temperature, in order to accelerate the aging process. Most effective for semiconductor components; relatively ineffective for screening circuit bo [..]

In mechanics, the total number of directions of motion of an assembly being evaluated. E.g. a ship or aircraft experiencing linear motion up and down, fore-and-aft and left-and-right motions as well a [..]