Results 91 to 100 of about 2,177,698 (204)
IEEE Photonics Journal, 2018 In this work, we propose and optimize the sidewalls for the mesa to enhance the optical power for AlGaN-based deep ultraviolet light-emitting diodes (LEDs). We obtain the mesa with the inclined sidewalls by conducting dry etching. The optical performance
Qian Chen +8 more
doaj +1 more source
, 1999 Lundgreen P. Wissenschaftliche Forschung als Ausweg im politischen Konflikt? Qualitätskontrolle von Eisenbahnmaterial in Preußen (1876–1889). Studien zur Wissenschafts- und Technikforschung.
Lundgreen, Peter
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265nm LED mini-lidar -Theoretical Approach- [PDF]
EPJ Web of ConferencesThe LED mini-lidar is discussed to install DUV-LED device in theoretical approach. The short wavelength of 265nm is in solar blind region, and it has potential to observe the low and surface atmosphere in daytime with its handy lidar setup. In this study,
Shiina Tatsuo +3 more
doaj +1 more source
Buchstabieren - ein rein sprachlicher Vorgang?
, 2001 Rohwetter C, Kessler K, Hielscher-Fastabend M. Buchstabieren - ein rein sprachlicher Vorgang? In: Sichelschmidt L, Strohner H, eds. Sprache, Sinn und Situation.
Hielscher-Fastabend, Martina ; https://orcid.org/ +4 more
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Nanomaterials, 2019 High-quality and crack-free aluminum nitride (AlN) film on sapphire substrate is the foundation for high-efficiency aluminum gallium nitride (AlGaN)-based deep ultraviolet light-emitting diodes (DUV LEDs). We reported the growth of high-quality and crack-
Jie Zhao +5 more
doaj +1 more source
, 2016 [[abstract]]市面上的LED CUB 程式電路設計複雜,維修費時線路多且複雜,不適合在一般家庭展示,而我們簡化了複雜的設計,也能呈現出視覺的震撼力 2利用電子結合現代藝術,帶給人們新的視覺體驗,搭配我們電路架構,能按照自己喜愛,設計自己專屬LED CUBE 3.
柳俊甫;黃子原
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Localized surface plasmon effect and DUV-LED application of Al nanoparticles [PDF]
, 2013 发光波长在200nm至350nm的深紫外发光二极管在生物医疗、防伪鉴定、水和空气净化、计算机数据存储和军事等领域有着广阔的应用前景，成为半导体领域研究和投资的新热点。并且随着技术的发展，新的应用将不断出现并替代原有的技术和产品。然而由于较低的内量子效率和极低的光抽取效率，深紫外LED的发光效率一直不高。近年来，人们致力于提高深紫外LED发光效率的研究。通过理论计算和实验研究，找到了多种提高方法，而将金属表面等离激元效应用于提高深紫外LED的发光效率，则是近年来研究的热点。 本文制备了金属Al纳米颗粒 ...
陈雪
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Qualifikationspolitik: betriebliche Weiterbildung in Industrieverwaltungen
, 1995 Zimmermann DA. Qualifikationspolitik: betriebliche Weiterbildung in Industrieverwaltungen. DUV : Sozialwissenschaft. Wiesbaden: DUV, Dt.
Zimmermann, Doris Angela
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Characterization and reliability of advanced GaN-LED structures: LEDs on silicon and DEEP-UV LEDs
, 2022 Caratterizzazione e affidabilità di LED con avanzate strutture basate sul nitruro di gallio: LED su substrato di silicio e LED con emissione nel profondo ultraviolettoembargoed_21090420Embargo permanente per motivi di segretezza e di proprietà dei ...
Barbisan, Diego
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, 1997 Steffensen B. Politische Steuerung im Arbeitsschutz: Einsatzbedingungen der Lasertechnik in der industriellen Materialbearbeitung. DUV : Sozialwissenschaft. Wiesbaden: DUV, Dt.
Steffensen, Bernd
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