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quartz crystal |
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quartz crystalA slice of quartz ground to a prescribed thickness that vibrates at a steady frequency when stimulated by electricity. The tiny crystal, about 1/20th by 1/5th of an inch, creates the computer's heartbeat. Without the quartz crystal, there would be no computers as we know them today! quartz crystal a thin plate or rod cut in certain directions from a piece of piezoelectric quartz and accurately ground so that it vibrates at a particular frequency quartz crystal [′kwȯrts ¦krist·əl] (electronics) A natural or artificially grown piezoelectric crystal composed of silicon dioxide, from which thin slabs or plates are carefully cut and ground to serve as a crystal plate. (mineralogy) How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Kyoto, Japan, Oct 10, 2005 - (JCN Newswire) - Kyocera Corporation is pleased to announce that Kyocera Kinseki, a full subsidiary engaged in the development and production of electronic devices, will ship the CX3225SB miniature low-frequency quartz crystal unit, the world's first miniature, and smallest(*1), crystal unit which oscillates in the 4MHz frequency range. Its atoms aggregate in forms as common as quartz crystals and as exotic as coesite and stishovite, minerals formed by the intense pressures generated when extraterrestrial objects such as comets and asteroids strike Earth's surface (SN: 6/15/02, p. Internal features include fractures, "fingerprints," growth tubes, two-phase fluid-and-gas inclusions, and transparent near-colourless quartz crystals. |
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