The property of certain crystals to electrically polarise when a mechanical stress is applied. This technique is used to generate small electrical voltages from mechanical movement. It is used to build crystal microphones, phonograph cartridges, strain gauges and vacuum gauges.
« Back to Glossary IndexYou may also like
The International system of scientific units is having a shake-up; with four of the basic measurement units (the ampere, kilogram, kelvin and […]
There is presently rapid development of non-volatile memory devices in the form of Magnetic Tunnel Junctions. These structures form the memory elements […]
We have introduced a new PVD module, the 8800. This is can be equipped with up to ten magnetron cathodes and is […]
Our modern world relies extensively on batteries – and their strength and recharge-ability taxes our research scientists considerably. Lithium is the […]