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Author: S. Somiya
Publisher: Springer
ISBN:
Category : Science
Languages : en
Pages : 192
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Author: S. Somiya
Publisher: Springer
ISBN:
Category : Science
Languages : en
Pages : 192
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Book Description
Author: John T. Milek
Publisher: Springer Science & Business Media
ISBN: 1468461621
Category : Technology & Engineering
Languages : en
Pages : 126
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Book Description
The large amount of literature on the technology of thin film silicon nitride indi cates the interest of the Department of Defense, NASA and the semiconductor industry in the development and full utilization of the material. This survey is concerned only with the thin film characteristics and properties of silicon nitride as currently utilized by the semiconductor or microelectronics industry. It also includes the various methods of preparation. Applications in microelectronic devices and circuits are to be provided in Part 2 of the survey. Some bulk silicon nitride property data is included for basic reference and comparison purposes. The survey specifically excludes references and information not within the public domain. ACKNOWLEDGEMENT This survey was generated under U.S. Air Force Contract F33615-70-C-1348, with Mr. B.R. Emrich (MAAM) Air Force Materials Laboratory, Wright-Patterson Air Force Base, Ohio acting as Project Engineer. The author would like to acknowledge the assis tance of Dr. Judd Q. Bartling, Litton Systems, Inc., Guidance and Control Systems Division, Woodland Hills, California and Dr. Thomas C. Hall, Hughes Aircraft Company, Culver City, California in reviewing the survey. v CONTENTS Preface. i Introduction 1 Literature Review. 1 Bulk Characteristics 1 Technology Overview. 2 References 4 Methods of Preparation • 5 Introduction • 5 Direct Nitridation Method 8 Evaporation Method • 9 Glow Discharge Method. 10 Ion Beam Method. 13 Sputtering Methods 13 Pyrolytic Methods. 15 Silane and Ammonia Reaction 15 Silicon Tetrachloride and Tetrafluoride Reaction. 24 Silane and Hydrazine Reaction 27 Production Operations. 28 Equipment.
Author: Toshiyuki Nishimura
Publisher: Springer
ISBN: 4431553843
Category : Technology & Engineering
Languages : en
Pages : 53
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Book Description
In this book, improvements in the heat resistance of silicon nitride (Si3N4) ceramics using grain boundary control and in plasticity at high temperatures using grain size control in order to reduce the cost of shaping Si3N4 are described. The heat resistance of Si3N4 is improved by mixing a slight amount of sintering additive as an impurity into the original material powder. The author presents his findings on the high heat resistance of Si3N4. The author also develops a new fabrication method for Si3N4 nano-ceramics that produces high plastic formability. The method developed offers two improved points in grinding and sintering processes. The author found that the plastic formability of Si3N4 nanoceramics is dependent on load stress; the results of his research are detailed in this book.
Author: B. Sonny Bal
Publisher: Springer Nature
ISBN: 3031670477
Category :
Languages : en
Pages : 443
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Book Description
Author: Robert C. Johnson
Publisher:
ISBN:
Category : Silicon nitride
Languages : en
Pages : 34
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Book Description
Author: François Cardarelli
Publisher: Springer Science & Business Media
ISBN: 1846286697
Category : Technology & Engineering
Languages : en
Pages : 1365
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Book Description
This unique and practical book provides quick and easy access to data on the physical and chemical properties of all classes of materials. The second edition has been much expanded to include whole new families of materials while many of the existing families are broadened and refined with new material and up-to-date information. Particular emphasis is placed on the properties of common industrial materials in each class. Detailed appendices provide additional information, and careful indexing and a tabular format make the data quickly accessible. This book is an essential tool for any practitioner or academic working in materials or in engineering.
Author: Michael J. Hoffmann
Publisher: Springer Science & Business Media
ISBN: 9401109923
Category : Technology & Engineering
Languages : en
Pages : 451
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Book Description
Proceedings of the NATO Advanced Research Workshop on `Tailoring of High Temperature Properties of Si3N4 Ceramics', Schloß Ringberg/Munich, Germany, October 6--9, 1993
Author: J. T. Milek
Publisher: Springer Science & Business Media
ISBN: 1461596092
Category : Technology & Engineering
Languages : en
Pages : 124
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Book Description
This survey is concerned with the use of silicon nitride in the semi conductor and microelectronics industries. The Handbook of Electronic Materials, volume 3, comprises part 1 of this survey and includes preparation and properties information. This report was prepared by Hughes Aircraft Company, Culver City, California under Contract Number F336lS-70-C-1348. The work was admini stered under the direction of the Air Force Materials Laboratory, Air Force Systems Command, Wright-Patterson Air Force Base, Ohio, with Hr. B. Emrich, Project Engineer. The Electronic Properties Information Center (EPIC) is a designated Information Analysis Center of the Department of Defense, authorized to pro vide information to the entire DoD community. The purpose of the Center is to provide a highly competent source of information and data on the electronic, optical and magnetic properties of materials of value to the Department of Defense. Its major function is to evaluate, compile and publish the experi mental data from the world's unclassified literature concerned with the properties of materials. All materials relevant to the field of electronics are within the scope of EPIC: insulators, semiconductors, metals, super conductors, ferrites, ferroelectrics, ferromagnetics, electroluminescents, thermionic emitters and optical materials. The Center's scope includes information on over 100 basic properties of materials; information generally regarded as being in the area of devices and/or circuitry is excluded. v CONTENTS Foreword. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Diffusion Mask Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . '" 11 Glass-to-Metal Seals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Passivation Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Memory Devices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Capacitors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 Radiation Hardening Applications . . . . . . . . . . . . . . . •. . . . . . . . .
Author: Tuomas Hänninen
Publisher: Linköping University Electronic Press
ISBN: 9176853748
Category :
Languages : en
Pages : 73
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Silicon nitride and silicon nitride-based ceramics have several favorable material properties, such as high hardness and good wear resistance, which makes them important materials for the coating industry. This thesis focuses the synthesis of silicon nitride, silicon oxynitride, and silicon carbonitride thin films by reactive magnetron sputtering. The films were characterized based on their chemical composition, chemical bonding structure, and mechanical properties to link the growth conditions to the film properties. Silicon nitride films were synthesized by reactive high power impulse magnetron sputtering (HiPIMS) from a Si target in Ar/N2 atmospheres, whereas silicon oxynitride films were grown by using nitrous oxide as the reactive gas. Silicon carbonitride was synthesized by two different methods. The first method was using acetylene (C2H2) in addition to N2 in a Si HiPIMS process and the other was co-sputtering of Si and C, using HiPIMS for Si and direct current magnetron sputtering (DCMS) for graphite targets in an Ar/N2 atmosphere. Langmuir probe measurements were carried out for the silicon nitride and silicon oxynitride processes and positive ion mass spectrometry for the silicon nitride processes to gain further understanding on the plasma conditions during film growth. The target current and voltage waveforms of the reactive HiPIMS processes were evaluated. The main deposition parameter affecting the nitrogen concentration of silicon nitride films was found to be the nitrogen content in the plasma. Films with nitrogen contents of 50 at.% were deposited at N2/Ar flow ratios of 0.3 and above. These films showed Si-N as the dominating component in Si 2p X-ray photoelectron spectroscopy (XPS) core level spectra and Si–Si bonds were absent. The substrate temperature and target power were found to affect the nitrogen content to a lower extent. The residual stress and hardness of the films were found to increase with the film nitrogen content. Another factors influencing the coating stress were the process pressure, negative substrate bias, substrate temperature, and HiPIMS pulse energy. Silicon nitride coatings with good adhesion and low levels of compressive residual stress were grown by using a pressure of 600 mPa, a substrate temperature below 200 °C, pulse energies below 2.5 Ws, and negative bias voltages up to 100 V. The elemental composition of silicon oxynitride films was shown to depend on the target power settings as well as on the nitrous oxide flow rate. Silicon oxide-like films were synthesized under poisoned target surface conditions, whereas films deposited in the transition regime between poisoned and metallic conditions showed higher nitrogen concentrations. The nitrogen content of the films deposited in the transition region was controlled by the applied gas flow rate. The applied target power did not affect the nitrogen concentration in the transition regime, while the oxygen content increased at decreasing target powers. The chemical composition of the films was shown to range from silicon-rich to effectively stoichiometric silicon oxynitrides, where no Si–Si contributions were found in the XPS Si 2p core level spectra. The film optical properties, namely the refractive index and extinction coefficient, were shown to depend on the film chemical bonding, with the stoichiometric films displaying optical properties falling between those of silicon oxide and silicon nitride. The properties of silicon carbonitride films were greatly influenced by the synthesis method. The films deposited by HiPIMS using acetylene as the carbon source showed silicon nitride-like mechanical properties, such as a hardness of ~ 20 GPa and compressive residual stresses of 1.7 – 1.9 GPa, up to film carbon contents of 30 at.%. At larger film carbon contents the films had increasingly amorphous carbon-like properties, such as densities below 2 g/cm3 and hardnesses below 10 GPa. The films with more than 30 at.% carbon also showed columnar morphologies in cross-sectional scanning electron microscopy, whereas films with lower carbon content showed dense morphologies. Due to the use of acetylene the carbonitride films contained hydrogen, up to ~ 15 at.%. The co-sputtered silicon carbonitride films showed a layered SiNx/CNx structure. The hardness of these films increased with the film carbon content, reaching a maximum of 18 GPa at a film carbon content of 12 at.%. Comparatively hard and low stressed films were grown by co-sputtering using a C target power of 1200 W for a C content around 12 at.%, a negative substrate bias less than 100 V, and a substrate temperature up to 340 °C.
Author: Vikram J. Kapoor
Publisher:
ISBN:
Category : Electric and insulation
Languages : en
Pages : 570
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