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" Curiosities and texts : "
Marjorie Swann.
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Latin Dissertation
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| Record Number
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896675
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TLets810919
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| Main Entry
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University of Glasgow
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| Title & Author
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The concept of the 'moment' and its bearing upon the existentialist understanding of history\ Richmond, James
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University of Glasgow
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| Date
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1960
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| Degree
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Thesis (Ph.D.)
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1960
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| Abstract
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The thesis takes as its starting-point the revolution of XXth. century theology against late XIXth. century liberalism as to the status and value of historical event. While XIXth. century liberalism regarded historical events as relatively unimportant channels for the delivery and illustration of timeless divine truths, recent and contemporary theology tends to regard historical events as all-important and crucial in and by themselves, and not merely because of the timeless truths abstracted from and mediated through them. Existentialist theology interprets this revived emphasis on historical event as implying the radical historicity and temporality of man, and expresses this interpretation by means of the concept, the 'moment', which designates a concrete, temporal-spacial, particular event within man's historical life, apart from which man does not become an authentic person and does not encounter truth. Further, existentialist theology stresses man, man himself, in his freedom and in his genuine becoming, as the only fruitful answer to the question, 'what is the meaning of history?', in contradistinction to answering it in terms of political, economic, sociological, and geographical laws, processes, and cycles. The thesis thereafter investigates the main works of three importsant existentialist theologians, Bultmann, Buber, and Kierkegaard, with a view to discovering those ways in which they interpret and employ this concept, the 'moment'. It discovers that in spite of divergences (which it analyses and evaluates), these three thinkers display a certain unity in their teaching on the 'moment' , a unity which can hardly be understood as fortuitous. An attempt is made to understand this unity as springing from common roots in all three, and an attempt is made to indicate what these roots are. It is argued that while the facile and 'popular' explanation of this unity would stress the philosophy of existence as the background and seed-plot of the notions of history of Bultmann, Buber, and Kierkegaard, this is neither the only possible nor the most plausible explanation. This explanation ignores the common biblical background of Buber (a Jew) and of Bultmann and Kierkegaard (Christians). The thesis argues therefore that Buber's notion of 'historicity' and his use of the concept, the 'moment', spring mainly from his Hasidic interpretation of Old Testament revelation with its firm emphasis on the 'everydayness' of God's historic self-disclosure. Similarly, it derives Bultmann's emphasis on historicity and temporality and his use of the concept, the 'moment', from his conviction that the events of Christ's career mean, the utter cruciality of particular, historical-temporal events and encounters within human existence. It derives Kierkegaard's postulation of the Moment from his conviction that the original Christ-Moment described in the New Testament implies a contemporary, identical Moment within human existsence. Thus it is argued that biblical revelation generally and the'eventful' ministry of Christ in particular necessarily imply the doctrine (and scandal) of particularity. Thus the conclusion is drawn that the Moment is a logically necessary and existentially most relevant category for theology. Behind the 'moment', it must be insisted, stands historic biblical revelation and the crucial events of Christ's life and death. Thus the 'moment' is not merely a category borrowed by theology from the system of concepts of the philosophy of existence, but a thoroughly biblical, Christian category without which biblical revelation and Christ's incarnation would lose their relevance for modern man.
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| Contents
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Front Cover; The IGBT Device; Copyright; Dedication; Contents; About the Author; Foreword; Preface; Chapter 1 -- Introduction; 1.1 IGBT APPLICATIONS SPECTRUM; 1.2 BASIC IGBT DEVICE STRUCTURES; 1.3 IGBT DEVELOPMENT AND COMMERCIALIZATION HISTORY; 1.4 SCALING OF POWER RATINGS; 1.5 SUMMARY; REFERENCES; Chapter 2 -- IGBT Structure and Operation; 2.1 SYMMETRIC D-MOS STRUCTURE; 2.2 ASYMMETRIC D-MOS STRUCTURE; 2.3 TRENCH-GATE IGBT STRUCTURE; 2.4 TRANSPARENT EMITTER IGBT STRUCTURE; 2.5 NOVEL IGBT STRUCTURES; 2.6 LATERAL IGBT STRUCTURES; 2.7 COMPLEMENTARY IGBT STRUCTURES; 2.8 SUMMARY; REFERENCES
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Chapter 3 -- IGBT Structural Design3.1 THRESHOLD VOLTAGE; 3.2 SYMMETRIC IGBT STRUCTURE; 3.3 ASYMMETRIC IGBT STRUCTURE; 3.4 TRANSPARENT EMITTER IGBT STRUCTURE; 3.5 SILICON CARBIDE IGBT STRUCTURES; 3.6 OPTIMUM SIC ASYMMETRIC IGBT STRUCTURE; 3.7 SUMMARY; REFERENCES; Chapter 4 -- Safe Operating Area Design; 4.1 PARASITIC THYRISTOR; 4.2 SUPPRESSING THE PARASITIC THYRISTOR; 4.3 SAFE OPERATING AREA; 4.4 NOVEL SILICON DEVICE STRUCTURES; 4.5 SILICON CARBIDE DEVICES; 4.6 SUMMARY; REFERENCES; Chapter 5 -- Chip Design, Protection, and Fabrication; 5.1 ACTIVE AREA; 5.2 GATE PAD DESIGN
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5.3 EDGE TERMINATION DESIGN5.4 INTEGRATED SENSORS; 5.5 PLANAR-GATE DEVICE FABRICATION PROCESS; 5.6 TRENCH-GATE DEVICE FABRICATION PROCESS; 5.7 LIFETIME CONTROL; 5.8 SUMMARY; REFERENCES; Chapter 6 -- Package and Module Design; 6.1 DISCRETE DEVICE PACKAGE; 6.2 IMPROVED DISCRETE DEVICE PACKAGE; 6.3 BASIC POWER MODULE; 6.4 FLAT-PACK POWER MODULE; 6.5 METAL BASEPLATE FREE POWER MODULE; 6.6 SMART POWER MODULES; 6.7 RELIABILITY; 6.8 SUMMARY; REFERENCES; Chapter 7 -- Gate Drive Circuit Design; 7.1 BASIC GATE DRIVE; 7.2 ASYMMETRIC GATE DRIVE; 7.3 TWO-STAGE GATE DRIVE; 7.4 ACTIVE GATE VOLTAGE CONTROL
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7.5 VARIABLE GATE RESISTANCE DRIVE7.6 DIGITAL GATE DRIVE; 7.7 SUMMARY; REFERENCES; Chapter 8 -- IGBT Models; 8.1 PHYSICS-BASED CIRCUIT MODEL; 8.2 IGBT ANALOG BEHAVIORAL MODEL; 8.3 MODEL PARAMETER EXTRACTION; 8.4 SUMMARY; REFERENCES; Chapter 9 -- IGBT Applications: Transportation; 9.1 GASOLINE-POWERED VEHICLES; 9.2 ELECTRIC AND HYBRID-ELECTRIC VEHICLES; 9.3 EV CHARGING STATIONS; 9.4 ELECTRIC TRANSIT BUS; 9.5 ELECTRIC TRAMS AND TROLLEYS; 9.6 SUBWAY AND AIRPORT TRAINS; 9.7 ELECTRIC LOCOMOTIVES; 9.8 DIESEL-ELECTRIC LOCOMOTIVES; 9.9 HIGH-SPEED ELECTRIC TRAINS; 9.10 MARINE PROPULSION
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9.11 ALL-ELECTRIC AIRCRAFT9.12 SUMMARY; REFERENCES; Chapter 10 -- IGBT Applications: Industrial; 10.1 INDUSTRIAL MOTOR DRIVES; 10.2 ADJUSTABLE SPEED DRIVES FOR MOTOR CONTROL; 10.3 PULSE WIDTH MODULATED ASD; 10.4 FACTORY AUTOMATION; 10.5 ROBOTICS; 10.6 WELDING; 10.7 INDUCTION HEATING; 10.8 MILLING AND DRILLING MACHINES; 10.9 METAL AND PAPER MILLS; 10.10 ELECTROSTATIC PRECIPITATORS; 10.11 TEXTILE MILLS; 10.12 MINING AND EXCAVATION; 10.13 IGBT OPTIMIZATION FOR INDUSTRIAL APPLICATIONS; 10.14 SUMMARY; REFERENCES; Chapter 11 -- IGBT Applications: Lighting; 11.1 TRIAD INCANDESCENT LAMP
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| Abstract
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The IGBT device has proved to be a highly important Power Semiconductor, providing the basis for adjustable speed motor drives (used in air conditioning and refrigeration and railway locomotives), electronic ignition systems for gasolinepowered motor vehicles and energy-saving compact fluorescent light bulbs. Recent applications include plasma displays (flat-screen TVs) and electric power transmission systems, alternative energy systems and energy storage. This book is the first available to cover the applications of the IGBT, and provide the essential information needed by applications engineers to design new products using the device, in sectors including consumer, industrial, lighting, transportation, medical and renewable energy. The author, B. Jayant Baliga, invented the IGBT in 1980 while working for GE. His book will unlock IGBT for a new generation of engineering applications, making it essential reading for a wide audience of electrical engineers and design engineers, as well as an important publication for semiconductor specialists
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| Subject
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Insulated gate bipolar transistors.
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| Dewey Classification
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621.381528
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| LC Classification
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TK7871.96.B55
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TK7871.96.B55
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