Metal Induced Crystallization And Polysilicon Thin Film Transistors
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Author | : Bo Zhang |
Publisher | : |
Total Pages | : 84 |
Release | : 2009-05-01 |
Genre | : Technology & Engineering |
ISBN | : 9783639158281 |
Nowadays,active-matrix addressing using a-Si TFTs is dominating in the flat panel display markets. However, low temperature polysilicon has been proposed and considered to be a promising alternative technology. Metal induced crystallization (MIe is one of the methods to obtain high quality polysilicon films at low temperatures. A few technologies are presented in this monograph, which improve the quality of MIC polysilicon film and hence the performance of TFTs built on. Amelioration of MIC processes has been made to produce high performance polysilicon TFTs using solution based MIC (SMIe and defined-grain MIC (DG-MIe methods. Novel post-annealing technologies are also introduced to reduce the micro-defects in MIC polysilicon film and hence to achieve better performance. These technologies include YAG laser post-annealing and flash lamp post-annealing. Particularly, it is the first time to report the application of flash lamp annealing technology in the fabrication of low temperature polysilicon and TFTs.
Author | : Chun Fai Cheng |
Publisher | : |
Total Pages | : 330 |
Release | : 2004 |
Genre | : Crystallization |
ISBN | : |
Author | : Zumin Wang |
Publisher | : CRC Press |
Total Pages | : 317 |
Release | : 2015-01-28 |
Genre | : Science |
ISBN | : 9814463418 |
Crystalline semiconductors in the form of thin films are crucial materials for many modern, advanced technologies in fields such as microelectronics, optoelectronics, display technology, and photovoltaic technology. Crystalline semiconductors can be produced at surprisingly low temperatures (as low as 120C) by crystallization of amorphous semicon
Author | : Gururaj A. Bhat |
Publisher | : |
Total Pages | : 182 |
Release | : 1998 |
Genre | : Liquid crystal display |
ISBN | : |
Author | : Yue Kuo |
Publisher | : Springer Science & Business Media |
Total Pages | : 528 |
Release | : 2004 |
Genre | : Thin film transistors |
ISBN | : 9781402075063 |
This is the first reference on amorphous silicon and polycrystalline silicon thin film transistors that gives a systematic global review of all major topics in the field. These volumes include sections on basic materials and substrates properties, fundamental device physics, critical fabrication processes (structures, a-Si: H, dielectric, metallization, catalytic CVD), and existing and new applications. The chapters are written by leading researchers who have extensive experience with reputed track records. Thin Film Transistors provides practical information on preparing individual functional a-Si: H TFTs and poly-Si TFTs as well as large-area TFT arrays. Also covered are basic theories on the a-Si: H TFT operations and unique material characteristics. Readers are also exposed to a wide range of existing and new applications in industries.
Author | : Qinglong Li |
Publisher | : |
Total Pages | : 142 |
Release | : 2013 |
Genre | : Annealing of crystals |
ISBN | : |
"Low-temperature polysilicon (LTPS) has emerged as a dominant technology for high performance thin-film transistors (TFTs) used in mobile liquid crystal display (LCD) and organic light emitting diode (OLED) display products. As users demand higher quality in flat panel displays with a larger viewing area and finer resolution, the improvement in carrier mobility of LTPS compared to that of hydrogenated amorphous silicon (a-Si:H) makes it an excellent candidate as a channel material for TFT. Advantages include improvements in switching speed and the ability to incorporate peripheral scan and data driver circuitry onto a low cost display substrate. Solid-phase crystallization (SPC) is a useful technique to realize polysilicon films due to its simplicity and low cost compared to excimer-laser annealing (ELA),which has many challenges in back-plane manufacturing on large glass panels.Metal induced crystallization (MIC) results in polycrystalline silicon films with grain size as large as tens of microns. Flash-lamp annealing (FLA) is a new and novel method to crystallize a-Si films at high temperature without distortion of the glass substrate by performing an annealing within millisecond range.This work investigates SPC, MIC and FLA techniques to realize LTPS films. In addition, TFTs were designed and fabricated to characterize the device quality of the semiconductor layer, and to compare the performance of different structural arrangements."--Abstract.
Author | : Hansuk Kim |
Publisher | : |
Total Pages | : 136 |
Release | : 1999 |
Genre | : |
ISBN | : |
Author | : Yue Kuo |
Publisher | : Kluwer Academic Pub |
Total Pages | : 505 |
Release | : 2004 |
Genre | : Thin film transistors. |
ISBN | : 9781402075063 |
This is the first reference on amorphous silicon and polycrystalline silicon thin film transistors that gives a systematic global review of all major topics in the field. These volumes include sections on basic materials and substrates properties, fundamental device physics, critical fabrication processes (structures, a-Si: H, dielectric, metallization, catalytic CVD), and existing and new applications. The chapters are written by leading researchers who have extensive experience with reputed track records. Thin Film Transistors provides practical information on preparing individual functional a-Si: H TFTs and poly-Si TFTs as well as large-area TFT arrays. Also covered are basic theories on the a-Si: H TFT operations and unique material characteristics. Readers are also exposed to a wide range of existing and new applications in industries.
Author | : S.D. Brotherton |
Publisher | : Springer Science & Business Media |
Total Pages | : 467 |
Release | : 2013-04-16 |
Genre | : Technology & Engineering |
ISBN | : 3319000020 |
Introduction to Thin Film Transistors reviews the operation, application and technology of the main classes of thin film transistor (TFT) of current interest for large area electronics. The TFT materials covered include hydrogenated amorphous silicon (a-Si:H), poly-crystalline silicon (poly-Si), transparent amorphous oxide semiconductors (AOS), and organic semiconductors. The large scale manufacturing of a-Si:H TFTs forms the basis of the active matrix flat panel display industry. Poly-Si TFTs facilitate the integration of electronic circuits into portable active matrix liquid crystal displays, and are increasingly used in active matrix organic light emitting diode (AMOLED) displays for smart phones. The recently developed AOS TFTs are seen as an alternative option to poly-Si and a-Si:H for AMOLED TV and large AMLCD TV applications, respectively. The organic TFTs are regarded as a cost effective route into flexible electronics. As well as treating the highly divergent preparation and properties of these materials, the physics of the devices fabricated from them is also covered, with emphasis on performance features such as carrier mobility limitations, leakage currents and instability mechanisms. The thin film transistors implemented with these materials are the conventional, insulated gate field effect transistors, and a further chapter describes a new thin film transistor structure: the source gated transistor, SGT. The driving force behind much of the development of TFTs has been their application to AMLCDs, and there is a chapter dealing with the operation of these displays, as well as of AMOLED and electrophoretic displays. A discussion of TFT and pixel layout issues is also included. For students and new-comers to the field, introductory chapters deal with basic semiconductor surface physics, and with classical MOSFET operation. These topics are handled analytically, so that the underlying device physics is clearly revealed. These treatments are then used as a reference point, from which the impact of additional band-gap states on TFT behaviour can be readily appreciated. This reference book, covering all the major TFT technologies, will be of interest to a wide range of scientists and engineers in the large area electronics industry. It will also be a broad introduction for research students and other scientists entering the field, as well as providing an accessible and comprehensive overview for undergraduate and postgraduate teaching programmes.
Author | : Yue Kuo |
Publisher | : Springer Science & Business Media |
Total Pages | : 538 |
Release | : 2004 |
Genre | : Thin film transistors |
ISBN | : 9781402075056 |
This is the first reference on amorphous silicon and polycrystalline silicon thin film transistors that gives a systematic global review of all major topics in the field. These volumes include sections on basic materials and substrates properties, fundamental device physics, critical fabrication processes (structures, a-Si: H, dielectric, metallization, catalytic CVD), and existing and new applications. The chapters are written by leading researchers who have extensive experience with reputed track records. Thin Film Transistors provides practical information on preparing individual functional a-Si: H TFTs and poly-Si TFTs as well as large-area TFT arrays. Also covered are basic theories on the a-Si: H TFT operations and unique material characteristics. Readers are also exposed to a wide range of existing and new applications in industries.