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Ul- ULSI
- Abbreviation of Ultra Large Scale Integration.
- Ultimate Strength
- Maximum stress at point of rupture.
- Ultra High Frequency
- Radio frequencies that are between 300 to 3000 MHz.
- Ultra Large Scale Integration
- A chip with over 1,000,000 components.
- Ultramarine
- A blue pigment derived from lapis lazuli.
- Ultrasonic
- Sound at frequencies above the audible range, i.e. above about 20 kHz.
- Ultrasonic Cleaning
- An effective cleaning process for small items and fine detail where the item is immersed in a bath of cleaning fluid that is excited at ultrasonic frequenices.
- Ultrasonic Testing
- A method of non destructive testing of steel bars, plates or parts with high frequency sound waves produced with electronic equipment.
- Ultraviolet Light
- Electromagnetic radiation with wavelength longer than that of x-rays but shorter than that of visible light.
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