The usual way to remove the silicon layer is used by the solutions of HF and KOH to conduct the etching process, but those chemicals are dangerous for the humans. Therefore, this study proposes the method that uses the diamond millstone to reduce the thickness of the silicon wafer. It hopes that this method can effectively shorten the process time and reduce the amount of chemical pollution. Firstly, the effects of the working pressure, the rotating speed of the wafer, and the diamond millstone on the removing rate of silicon wafer are investigated. Then, the effect of the working pressure on the flatness of the wafer surface is investigated. Finally, the effect of the rotating speed ratio of the wafer to the diamond millstone on the track type of grinding surface is theoretically analyzed. According to the experimental results, the removing rate of silicon wafer is almost linearly proportional to the working pressure, the rotating speed of the wafer, and the diamond millstone. The lighter working pressure, the more flatness of the wafer is. According to the theoretical results, the rotating speed ratio of the wafer to the diamond millstone influences the track type of grinding surface. When this rotating speed ratio is an irrational number, the distribution of grinding track becomes finer.

Twenty-one century is a Knowledge economy system. Knowledge is being substituted for the machine facilities, capital asset, materials or labors, and to be the most important productive materials and competitive weapons for the enterprise. We can find out many high technology companies, which have the very high stock price in the U.S., but they do not have lots of tangible assets. Even though some of them have ten or hundred times of marketing values compare with the tangible assets. The main difference is the Intellectual Capital that is not presented by the financial reports. Therefore, for the enterprise, it is the most important issue to integrate the knowledge and enterprise core ability, and transfer to be knowledge oriented organizations by using the Intellectual Capital.There are many domestic enterprises begin to set up the knowledge management (KM) mechanism under the industry pressure, and start the research about how to drive the KM and with what kind of steps. Although there are many scholars have proposed different KM framework, activities and influential factors, the KM will still be a new issue for enterprise.Therefore, this research will propose three cases of domestic enterprise which carry out the KM. In order to study the procedure for the KM, the framework of KM, the influential factors of KM, the motivation of KM, how to drive the KM process, what kind of activities of KM, when to drive the KM, and what kind of information technology will also be discussed in this paper. Finally, this study will compare with the framework of current KM literature and analyze the result, and to be the reference for other enterprise in carrying out KM.

The delivered quantity of TFT-LCD of Taiwan is more than that of Japan in the first quarter 2002. It pushes Taiwan to the position of No 2 in the world, only next to Korea. Hence Taiwan government has included the TFT-LCD industries as the strategic industries to develo. In the near future, we can forecast that TFT-LCD will succeed the semi-conductor industry to stand for the star industry of Taiwan The purpose of this research is to probe the competitions of TFT-LCD industries among Taiwan, Janpan and South Korea, including core competence, developing strategies, business model, and to discover the key success factors(KFS) of competitive advantage of nation in these industries within different countries. By way of the KFS to forecast the future development and potential niche market in the global TFT-LCD industries. The results lead to the conclusion that follows¡G 1. TFT-LCD industry is a hypercompetitive global industry. 2. The TFT-LCD industries of Taiwan, Japan and South Korea each has his competitive advantages. 3. Core competence is the most important strategic resource. 4. LCD-TV will become the largest niche market in the future. 5. The Diamond-Model of TFT-LCD industries in Taiwan and Japan will link together.

Abstract In this work, H2, CH4, and O2 are used as gas sources and C3H903B is used as the doping source, microwave plasma chemical vapor deposition and a two-steps deposition process will be applied to the growth of boron-doped diamond on p-type(111) silicon substrate. In this work, nucleation and growth of diamond film have been studied. A series of experiments are focused on the depenence of experimental pressure, temperature, power, dc bias, flow rates of O2, and doping concentration of C3H903B. The samples are examined by SEM, Raman, XRD, FTIR, and I-V. The results show that if nucleation is assisted by a negative dc bias, it can reach high density. The growth of diamond and the boron-doped diamond film is in multi steps. After 90 minutes of growth, the mechanism of deposition will be changed.

In the environmental protection issues and natural resources problem to expand and develop ¡§renewable energy resource¡¨ and ¡§green energy resource¡¨ are the trend of global pursued. Many developed countries have given zealous and efforts to active the solar energy plan. The photovoltaic industry has marketed incentive programs. Currently, Use all energy resources to rely on import above 95% on Taiwan. To decrease consuming fossil fuel should be constructive to spread applies of solar energy. This study was the preliminary statement to develop route and trend of worldwide photovoltaic industry in the pass, presently, and in the future. And then to analyze the data of operate results of the new entrant solar cell industries in the Taiwan. By way of competition strategy, competition advantage, an analysis of competition power, diamond model and vertical integration etc., theory. In this study case, the ways that many companies enter the solar cell market are strategy ventures, and vertical integration to increase production. To confer the structure of solar cell industry, finding Niche at a series action of value. To create acceptable value of the customer. And then to provide a solar cell industry model of competition advantage.

Thesis (Ph.D.)--City University of Hong Kong, 2009. / "Submitted to Department of Physics and Materials Science in partial fulfillment of the requirements for the degree of Doctor of Philosophy." Includes bibliographical references (leaves 127-136)

Thesis (M.B.A.)--University of Hong Kong, 1988.

This thesis is about the design, fabrication, and characterization of nanophotonic elements in the visible that can enhance light-matter interaction for single quantum emitters. We focus on two material systems: single photon sources based on the nitrogen-vacancy (NV) center in diamond with improved spontaneous emission rates and collection efficiencies, and passive TiO2 devices that comprise a potentially broadband (from the visible to the infrared), low loss photonics platform and that are suitable for probing and manipulating single colloidal quantum dots. We first discuss the requirements for using color center emission in bulk diamond crystals for potential applications in quantum information processing, and provide examples of using nanowire structures and planar resonators made in diamond for engineering the the NV center’s pump and collection efficiencies, and spontaneous emission rates, respectively. We also describe the integration of diamond with plasmonic structures. We have designed and implemented diamond-silver apertures for broadband enhancements of the spontaneous emission rates of NV centers. We show that shallow-implanted NV centers in diamond nanoposts provide a good system for controlling the NV center spontaneous emission rates, allowing for quenched emission with long lifetimes in the bare case, and enhanced emission with fast decay rates (corresponding to a Purcell factor of around 6) when coated with silver. We add plasmonic gratings around the diamond-silver apertures to improve the collection efficiency of the system, and observe over two-fold improvement in collection. We demonstrate the fabrication of chip-scale linear optical elements such as waveguides and racetrack resonators in low-loss \(TiO_2\) thin films. The fabricated waveguides operate over a wide bandwidth with propagation losses from from 30 dB/cm in the visible to 4 dB/cm in the IR, while racetrack resonators can critically couple to waveg- uides and have quality factors as high as ~22000 in the red wavelengths. We present the fabrication of dielectric slot waveguides and their integration with colloidal quan- tum dots. Finally, we describe efforts to study and control charge transfer processes between quantum dots and \(TiO_2\) on a single emitter level. / Engineering and Applied Sciences

The primary subject of this thesis is the study of warm dense hydrogen by means of pulsed laser heating in the pressure region 1 to 2 Mbar and temperatures above the melting line, where a liquid-liquid phase transition from the insulating molecular fluid to a conducting atomic hydrogen fluid, so called plasma phase transition (PPT), was predicted to take place. The first evidence of the PPT under static compression is reported. The observations are in agreement with the negative slope phase line predicted by ab initio methods. / Physics

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