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ultraviolet |
Also found in: Medical, Wikipedia | 0.04 sec. |
ultravioletAn invisible band of radiation at the upper end of the visible light spectrum. With wavelengths from 10 to 400 nm, ultraviolet starts at the end of visible light and ends at the beginning of X-rays. The primary source of ultraviolet light is the sun. Although ultraviolet (UV) light is widely known as a disinfectant, it is also used to erase EPROM chips. After several minutes of exposure to UV light, the EPROM can be programmed again.
ultraviolet the part of the electromagnetic spectrum with wavelengths shorter than light but longer than X-rays; in the range 0.4 × 10--6 and 1 × 10--8 metres ultraviolet [¦əl·trə′vī·lət] (physics) Pertaining to ultraviolet radiation. Abbreviated UV. 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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| Its extended measurement range into the near infrared and near uv is said to permit the measurement of camouflage products and uv-absorbing materials. CREE focuses its expertise in SiC and GaN materials on four product areas: light emitting diodes (LEDs), including blue, green and near ultraviolet (UV) LED chips and high-power packaged LEDs; power switching products; radio frequency (RF) and microwave devices, and near UV lasers. The products include blue, green and near ultraviolet (UV) light emitting diodes (LEDs), near UV lasers, radio frequency (RF) and microwave devices, and power switching devices. |
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