Josef Lutz
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Josef Lutz
Josef Lutz (born 1954 in Ellwangen (Jagst)) is a German physicist and electrical engineer. Career Lutz grew up in a small village called Baldern in the southern part of Germany, his father was smith and farmer. In 1973, Lutz received his high-school diploma from the Theodor-Heuss-Gymnasium, Aalen. He studied Physics at the University of Stuttgart and received his Diploma in Physics in 1982. After his military service he joined Semikron Electronics in Nuremberg. The main focus of his work was on Gate turn-off thyristor and fast diodes. In 1999, he graduated as PhD in Electrical Engineering from the Technische Universität Ilmenau, Germany. Since August 2001, he has been Professor of the Chair of Power Electronics and Electromagnetic Compatibility at TU Chemnitz. He is senior member of IEEE, member of the board of directors of the PCIM Europe, member of the board of directors of the ZfM, of the International Steering Committee of the EPE, the Technical Committee of the ISPSD, the P ...
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Lutz2
Lutz is a surname and given name, occasionally a short form of Ludwig (given name), Ludwig and Ludger (given name), Ludger. People with the name include: Surname *Adolfo Lutz (1855–1940), Brazilian physician *Aleda E. Lutz (1915–1944), American Army flight nurse *Alois Lutz, Austrian figure skater, for whom the Lutz jump is named *Anke Lutz (born 1970), German chess master *Anne Mae Lutz (1871–1938), American cytogeneticist *Berta Lutz (1894–1976), Brazilian scientist and feminist *Bob Lutz (American football), American high school football coach *Bob Lutz (businessman) (born 1932), Swiss American V.P. of General Motors *Bob Lutz (tennis) (born 1947), American tennis player *Bobby Lutz (basketball) (born 1958), American college basketball coach *Brenda Lutz, Scottish-American political science writer *Carl Lutz (1895–1975), Swiss vice-consul to Hungary during WWII, credited with saving over 62,000 Jews *Chris Lutz, (born 1985), American-Filipino professional basketball p ...
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Insulated-gate Bipolar Transistor
An insulated-gate bipolar transistor (IGBT) is a three-terminal power semiconductor device primarily forming an electronic switch. It was developed to combine high efficiency with fast switching. It consists of four alternating layers (NPNP) that are controlled by a metal–oxide–semiconductor (MOS) gate structure. Although the structure of the IGBT is topologically similar to a thyristor with a " MOS" gate ( MOS-gate thyristor), the thyristor action is completely suppressed, and only the transistor action is permitted in the entire device operation range. It is used in switching power supplies in high-power applications: variable-frequency drives (VFDs) for motor control in electric cars, trains, variable-speed refrigerators, and air conditioners, as well as lamp ballasts, arc-welding machines, photovoltaic and hybrid inverters, uninterruptible power supply systems (UPS), and induction stoves. Since it is designed to turn on and off rapidly, the IGBT can synthesize complex ...
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Academic Staff Of The Chemnitz University Of Technology
An academy (Attic Greek: Ἀκαδήμεια; Koine Greek Ἀκαδημία) is an institution of tertiary education. The name traces back to Plato's school of philosophy, founded approximately 386 BC at Akademia, a sanctuary of Athena, the goddess of wisdom and Skills, skill, north of Ancient Athens, Athens, Greece. The Royal Spanish Academy defines academy as scientific, literary or artistic society established with public authority and as a teaching establishment, public or private, of a professional, artistic, technical or simply practical nature. Etymology The word comes from the ''Academy'' in ancient Greece, which derives from the Athenian hero, ''Akademos''. Outside the city walls of Athens, the Gymnasium (ancient Greece), gymnasium was made famous by Plato as a center of learning. The sacred space, dedicated to the goddess of wisdom, Athena, had formerly been an olive Grove (nature), grove, hence the expression "the groves of Academe". In these gardens, the philos ...
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University Of Stuttgart Alumni
A university () is an institution of tertiary education and research which awards academic degrees in several academic disciplines. ''University'' is derived from the Latin phrase , which roughly means "community of teachers and scholars". Universities typically offer both undergraduate and postgraduate programs. The first universities in Europe were established by Catholic monks. The University of Bologna (), Italy, which was founded in 1088, is the first university in the sense of: *being a high degree-awarding institute. *using the word (which was coined at its foundation). *having independence from the ecclesiastic schools and issuing secular as well as non-secular degrees (with teaching conducted by both clergy and non-clergy): grammar, rhetoric, logic, theology, canon law and notarial law.Hunt Janin: "The university in medieval life, 1179–1499", McFarland, 2008, , p. 55f.de Ridder-Symoens, Hilde''A History of the University in Europe: Volume 1, Universities in the Midd ...
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21st-century German Physicists
File:1st century collage.png, From top left, clockwise: Jesus is crucified by Roman authorities in Judaea (17th century painting). Four different men (Galba, Otho, Vitellius, and Vespasian) claim the title of Emperor within the span of a year; The Great Fire of Rome (18th-century painting) sees the destruction of two-thirds of the city, precipitating the empire's first persecution against Christians, who are blamed for the disaster; The Roman Colosseum is built and holds its inaugural games; Roman forces besiege Jerusalem during the First Jewish–Roman War (19th-century painting); The Trưng sisters lead a rebellion against the Chinese Han dynasty (anachronistic depiction); Boudica, queen of the British Iceni leads a rebellion against Rome (19th-century statue); Knife-shaped coin of the Xin dynasty., 335px rect 30 30 737 1077 Crucifixion of Jesus rect 767 30 1815 1077 Year of the Four Emperors rect 1846 30 3223 1077 Great Fire of Rome rect 30 1108 1106 2155 Boudican revolt ...
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Living People
Purpose: Because living persons may suffer personal harm from inappropriate information, we should watch their articles carefully. By adding an article to this category, it marks them with a notice about sources whenever someone tries to edit them, to remind them of WP:BLP (biographies of living persons) policy that these articles must maintain a neutral point of view, maintain factual accuracy, and be properly sourced. Recent changes to these articles are listed on Special:RecentChangesLinked/Living people. Organization: This category should not be sub-categorized. Entries are generally sorted by family name In many societies, a surname, family name, or last name is the mostly hereditary portion of one's personal name that indicates one's family. It is typically combined with a given name to form the full name of a person, although several give .... Maintenance: Individuals of advanced age (over 90), for whom there has been no new documentation in the last ten ...
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1954 Births
Events January * January 3 – The Italian broadcaster RAI officially begins transmitting. * January 7 – Georgetown–IBM experiment: The first public demonstration of a machine translation system is held in New York, at the head office of IBM. * January 10 – BOAC Flight 781, a de Havilland Comet jet plane, disintegrates in mid-air due to metal fatigue, and crashes in the Mediterranean near Elba; all 35 people on board are killed. * January 12 – 1954 Blons avalanches, Avalanches in Austria kill more than 200. * January 15 – Mau Mau rebellion, Mau Mau leader Waruhiu Itote is captured in Kenya. * January 17 – In Socialist Federal Republic of Yugoslavia, Yugoslavia, Milovan Đilas, one of the leading members of the League of Communists of Yugoslavia, is relieved of his duties. * January 20 – The US-based National Negro Network is established, with 46 member radio stations. * January 21 – The first nuclear-powered submarine, the , is ...
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American Institute Of Physics
The American Institute of Physics (AIP) promotes science and the profession of physics, publishes physics journals, and produces publications for scientific and engineering societies. The AIP is made up of various member societies. Its corporate headquarters are at the American Center for Physics in College Park, Maryland, but the institute also has offices in Melville, New York, and Beijing. Historical overview The AIP was founded in 1931 as a response to lack of funding for the sciences during the Great Depression. /www.aip.org/aip/history "History of AIP" American Institute of Physics. July 2010. The AIP was founded in 1931 at a joint meeting between four physics societies: the American Physical Society, the Optical Society of America, the Acoustical Society of America, and the Society of Rheology. These were soon joined by the American Association of Physics Teachers, for a total of five societies. It formally incorporated in 1932 consisting of five original "member so ...
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Big Bang
The Big Bang is a physical theory that describes how the universe expanded from an initial state of high density and temperature. Various cosmological models based on the Big Bang concept explain a broad range of phenomena, including the abundance of light elements, the cosmic microwave background (CMB) radiation, and large-scale structure. The uniformity of the universe, known as the horizon and flatness problems, is explained through cosmic inflation: a phase of accelerated expansion during the earliest stages. A wide range of empirical evidence strongly favors the Big Bang event, which is now essentially universally accepted.: "At the same time that observations tipped the balance definitely in favor of the relativistic big-bang theory, ..." Detailed measurements of the expansion rate of the universe place the Big Bang singularity at an estimated  billion years ago, which is considered the age of the universe. Extrapolating this cosmic expansion backward in ...
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Infineon Technologies
Infineon Semiconductor solutions is the largest microcontroller manufacturer in the world, as well as Germany's largest semiconductor manufacturer. It is also the leading automotive semiconductor manufacturer globally. Infineon had roughly 58,000 employees in 2024 and is one of the ten largest semiconductor manufacturers worldwide. The company was spun-off from Siemens AG in 1999. In 2024 the company achieved sales of approximately €15 billion. Markets Infineon markets semiconductors and systems for automotive, industrial, and multimarket sectors, as well as chip card and security products. Infineon has subsidiaries in the US in Milpitas, California and in the Asia-Pacific region, in Singapore, and Tokyo. Infineon has a number of facilities in Europe, one in Dresden, Germany. Infineon's high power segment is in Warstein, Germany; Villach, Graz and Linz in Austria; Cegléd in Hungary; and Italy. It also operates R&D centers in France, Singapore, Romania, Taiwan, U ...
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North-Caucasus Federal University
North-Caucasus Federal University (), abbreviated as NCFU () is a public university in Stavropol Krai, Russia with campuses in Stavropol, Pyatigorsk and Nevinnomyssk. It was established in 2012 as a flagship university of the newly created North Caucasian Federal District by merging Stavropol State University, North-Caucasus State Technical University, and Pyatigorsk State University of Humanities and Technology. General information North-Caucasus Federal University (NCFU) was established subject to a respective Decree by President of the Russian Federation (No. 958 of July 18, 2011) and an Order by the Government of the Russian Federation (No. 226-p of February 22, 2012) through a merger of three universities located in the Stavropol Region – North-Caucasus State Technical University, Stavropol State University and Pyatigorsk State University for Humanities & Technology. The university comprises 9 institutes in Stavropol and 2 institutes (affiliates) in Pyatigorsk and Nevin ...
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Physicist
A physicist is a scientist who specializes in the field of physics, which encompasses the interactions of matter and energy at all length and time scales in the physical universe. Physicists generally are interested in the root or ultimate causes of Phenomenon, phenomena, and usually frame their understanding in mathematical terms. They work across a wide range of Physics#Research fields, research fields, spanning all length scales: from atom, sub-atomic and particle physics, through biological physics, to physical cosmology, cosmological length scales encompassing the universe as a whole. The field generally includes two types of physicists: Experimental physics, experimental physicists who specialize in the observation of natural phenomena and the development and analysis of experiments, and Theoretical physics, theoretical physicists who specialize in mathematical modeling of physical systems to rationalize, explain and predict natural phenomena. Physicists can apply their k ...
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