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Fabrication of low-cost micro and nano cavities and channels using compact disc technology.January 2003 (has links)
by Li Chong, Victor Kun Wa. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2003. / Includes bibliographical references (leaves 99-101). / Abstracts in English and Chinese. / ABSTRACT --- p.i / 摘要 --- p.iii / ACKNOWLEDGEMENT --- p.v / TABLE OF CONTENTS --- p.vii / LIST OF FIGURES --- p.x / LIST OF TABLES --- p.xv / Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- CD Manufacturing Technology --- p.1 / Chapter 1.1.1 --- Electroforming --- p.2 / Chapter 1.1.2 --- Computer Numerical Control (CNC) --- p.2 / Chapter 1.1.3 --- Photolithography --- p.4 / Chapter 1.1.4 --- Laser --- p.5 / Chapter 1.2 --- Research Objective --- p.6 / Chapter 1.3 --- Thesis Outline --- p.6 / Chapter 2 --- Conversion Software (AutoGEN) --- p.9 / Chapter 2.1 --- Computer-Aided Design --- p.9 / Chapter 2.2 --- AutoCAD Programming --- p.10 / Chapter 2.3 --- AutoCAD Development System (ADS) --- p.11 / Chapter 2.4 --- AutoCAD Runtime Extension (ARX) --- p.12 / Chapter 2.5 --- AutoLISP Programming --- p.12 / Chapter 2.5.1 --- Advantages of AutoLISP --- p.13 / Chapter 2.6 --- Caltech Intermediate Format (CIF) --- p.14 / Chapter 2.6.1 --- Structure of CIF Format --- p.15 / Chapter 2.7 --- Architecture of Conversion Software --- p.15 / Chapter 2.7.1 --- Stage 1 - AutoGEN (DLTM) Module --- p.16 / Chapter 2.7.2 --- Stage 2 - AutoGEN (DCRM) Module --- p.17 / Chapter 2.8 --- DLTM Input Screen --- p.17 / Chapter 2.9 --- DCRM Data Screen --- p.18 / Chapter 2.10 --- Conversion from 2D to 3D --- p.18 / Chapter 2.11 --- AutoGEN - Geometric Primitive --- p.19 / Chapter 2.12 --- AutoGEN - Geometric Transformation --- p.19 / Chapter 2.13 --- Conversion of Simplified and Complex Drawings --- p.22 / Chapter 3 --- Manufacturing Process --- p.24 / Chapter 3.1 --- Stamper Manufacturing --- p.25 / Chapter 3.2 --- CD Manufacturing --- p.30 / Chapter 3.3 --- Internal Stress of Deposit in Electroforming --- p.34 / Chapter 4 --- CNC Approach --- p.37 / Chapter 4.1 --- Computer-Aided Manufacturing --- p.37 / Chapter 4.2 --- CNC Machining --- p.37 / Chapter 4.2.1 --- Experiment --- p.39 / Chapter 4.3 --- Advantages of CNC Approach --- p.42 / Chapter 4.4 --- Limitations of CNC Approach --- p.42 / Chapter 4.5 --- CNC and Effects of Heat Generated --- p.43 / Chapter 5 --- Photolithography Approach --- p.45 / Chapter 5.1 --- Experiment --- p.47 / Chapter 5.2 --- Channel Analysis --- p.49 / Chapter 6 --- Laser Approach --- p.53 / Chapter 6.1 --- Dual Beam Laser Machine --- p.53 / Chapter 6.2 --- Creation of Pits and Lands --- p.54 / Chapter 6.2.1 --- Experiment --- p.54 / Chapter 6.3 --- Creation of Continuous Channel --- p.56 / Chapter 6.4 --- Procedure of Channel Creation (NA set at a fixed constant) --- p.57 / Chapter 6.4.1 --- Experiment 1 --- p.59 / Chapter 6.4.2 --- Experiment 2 --- p.60 / Chapter 6.4.3 --- Experiment 3 --- p.61 / Chapter 6.5 --- Procedure of Channel Creation (ILV set at a fixed constant) --- p.62 / Chapter 6.5.1 --- Experiment 1 --- p.63 / Chapter 6.5.2 --- Experiment 2 --- p.64 / Chapter 6.5.3 --- Experiment 3 --- p.66 / Chapter 7 --- Photolithography Approach (Enhancement) --- p.68 / Chapter 7.1 --- Creation of High-Aspect-Ratio Channel --- p.68 / Chapter 7.1.1 --- Experiment 1 --- p.76 / Chapter 7.1.2 --- Experiment 2 --- p.80 / Chapter 8 --- Conclusion and Future Proposal --- p.83 / Chapter 8.1 --- Conclusion --- p.83 / Chapter 8.2 --- Future Proposal --- p.86 / APPENDIX --- p.89 / Chapter A.1 --- Additional Information on CNC Approach --- p.88 / Chapter A.2 --- Channel Dimension of Design Mask --- p.89 / Chapter A.3 --- Additional Information on Photolithography Approach --- p.94 / Chapter A.4 --- Additional Information on Laser Approach --- p.95 / BIBLIOGRAPHY --- p.98
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Development of novel micro-embossing methods and microfluidic designs for biomedical applicationsLu, Chunmeng, January 2006 (has links)
Thesis (Ph. D.)--Ohio State University, 2006. / Title from first page of PDF file. Includes bibliographical references (p. 178-197).
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On Lagrangian meshless methods in free-surface flowsSilverberg, Jon P. 01 1900 (has links)
Classically, fluid dynamics have been dealt with analytically because of the lack of numerical resources (Yeung, 1982). With the development of computational ability, many formulations have been developed which typically use the traditional Navier-Stokes equations along with an Eulerian grid. Today, there exists the possibility of using a moving grid (Lagrangian) along with a meshless discretization. The first issue in meshless fluid dynamics is the equations of motion. There are currently two types of Lagrangian formulations. Spherical Particle Hydrodynamics (SPH) is a method which calculates all equations of motion explicitly. The Moving Particle Semi-implicit (MPS) method uses a mathematical foundation based on SPH. However, instead of calculating all laws of motion explicitly, a fractional time step is performed to calculate pressure. A proposed method, Lagrange Implicit Fraction Step (LIFS), has been created which improves the mathematical formulations on the fluid domain. The LIFS method returns to Continuum mechanics to construct the laws of motion based on decomposing all forces of a volume. It is assumed that all forces on this volume can be linearly superposed to calculate the accelerations of each mass. The LIFS method calculates pressure from a boundary value problem with the inclusion of proper flux boundary conditions. The second issue in meshless Lagrangian dynamics is the calculation of derivatives across a domain. The Monte Carlo Integration (MCI) method uses weighted averages to calculate operators. However, the MCI method can be very inaccurate, and is not suitable for sparse grids. The Radial Basis Function (RBF) method is introduced and studied as a possibility to calculate meshless operators. The RBF method involves a solution of a system of equations to calculate interpolants. Machine expenses are shown to limit the viability of the RBF method for large domains. A new method of calculation has been created called Multi-dimensional Lagrange Interpolating Polynomials (MLIP). While Lagrange Interpolating Polynomials are essentially a one-dimensional interpolation, the use of "dimensional-cuts" and Gaussian quadratures can provide multi-dimensional interpolation. This paper is divided into three sections. The first section specifies the equations of motion. The second section provides the mathematical basis for meshless calculations. The third section evaluates the effectiveness of the meshless calculations and compares two fluiddynamic codes. / Fund number: N62271-97-G-0041. / US Navy (USN) author.
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Effektiwiteit van die herwinningsprogrammatuur van leeskompakskyfdatabassise18 March 2015 (has links)
M.A. / CD-ROM products provide access to information by means of different modes of interaction, often on the same database. Although command language is still widely recognized as the interaction mode which retrieves the most relevant references, it is regarded as difficult to use because of its complex structure. More user friendly modes, for example, menu and direct manipulation are viewed as being more accessible to the up-and-coming end-user. The purpose of this study was to determine by means of an empirical study whether the retrieval effectiveness between two modes of interaction on the same database differed significantly. A literature survey pointed out the unique characteristics of existing modes. It was also established that the traditional measures of retrieval effectiveness through relevance and precision could not be applied in this research. A method was devised in which the results of the two modes were compared. The empirical study was done on the command and form fill-in modes of Wilson Business Abstracts. Total results retrieved through each mode were compared, as well as the ease of entering the search by means of appropriate search facilities for each mode. The results of the research revealed that the presence of unique search facilities in a mode results in better retrieval effectiveness. Searches in both modes also require specific ways of input for optimum quality retrieval and thus has implications for intensive training in search methods.
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The effect of illegal music downloading and iTunes Store on CD collection sizeBazarsky, Jason. January 2008 (has links)
Thesis (B.A.)--Haverford College, Dept. of Economics, 2008. / Includes bibliographical references.
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On Lagrangian meshless methods in free-surface flowsSilverberg, Jon P. January 2005 (has links) (PDF)
Thesis (Master of Engineering in Ocean Engineering)--University of California at Berkeley, 2004. / "January 2005." Description based on title screen as viewed on May 25, 2010. DTIC Descriptor(s): Fluid Dynamics, Lagrangian Functions, Equations Of Motion, Acceleration, Formulations, Grids, Continuum Mechanics, Gaussian Quadrature, Derivatives (Mathematics), Compact Disks, Boundary Value Problems, Polynomials, Interpolation, Pressure, Operators (Mathematics). DTIC Identifier(s): Multimedia (CD-Rom), Moving Grids, Meshless Discretization, Lifs (Lagrange Implicit Fraction Step), Lagrangian Dynamics, Meshless Operators, Mlip (Multidimensional Lagrange Interpolating Polynomials), Flux Boundary Conditions, Radial Basis Functions Includes bibliographical references (58-59).
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Hong Kong classical compact disc market.January 1997 (has links)
by Tsai Yee-Ah, Eva. / Thesis (M.B.A.)--Chinese University of Hong Kong, 1997. / Incldues bibliographical references (leaves 108-112). / ABSTRACT --- p.iii / ACKNOWLEDGEMENTS --- p.vi / TABLE OF CONTENTS --- p.vii / LIST OF TABLES --- p.ix / LIST OF FIGURES --- p.x / CHAPTER / Chapter I. --- INTRODUCTION --- p.1 / Objectives --- p.2 / Chapter II. --- MARKET ANALYSIS --- p.4 / Overview of the Music Industry in Hong Kong --- p.4 / Hong Kong Classical Music Market and the Trends --- p.6 / Definition of Classical Music --- p.6 / Classical Music Becomes More Popular --- p.8 / More Record Stores in Hong Kong Selling Classical CDs --- p.10 / New Ways of Promoting Classical Music --- p.13 / New Classical Music Repertoires and the Trends --- p.15 / More Young Classical Performers --- p.16 / Major Classical Companies in Hong Kong --- p.17 / Bertelsmann Group --- p.17 / EMI --- p.19 / HNH Internationa] Ltd --- p.22 / PolyGram --- p.25 / Sony --- p.28 / Warner --- p.32 / Chapter III. --- RESEARCH METHODOLOGY --- p.37 / Secondary Data --- p.37 / Primary Data --- p.38 / Experience Survey --- p.38 / Sample Survey --- p.38 / Limitations of the Research --- p.42 / Research Design --- p.42 / Data Collection --- p.43 / Data Analysis --- p.44 / Chapter IV. --- RESEARCH FINDINGS AND DATA ANALYSIS --- p.48 / Response Rate --- p.48 / Outcome of Self-Administered Questionnaire Survey --- p.48 / Data Analysis --- p.49 / Editing --- p.49 / Coding --- p.50 / RESEARCH FINDINGS --- p.50 / Demographic Information of 200 Successful Respondents --- p.50 / Respondents' Opinions of HMV --- p.53 / Respondents' Usage Patterns of Classical CDs --- p.55 / Brand Name of the Record Company --- p.55 / Price --- p.60 / Selection Criteria in Buying Classical CDs --- p.61 / places for Buying Classical CDs --- p.72 / Reasons for Buying Classical CDs --- p.74 / Opinions of Sony's Classical CDs --- p.77 / Preferred Promotional Methods --- p.81 / Information Channels in Receiving Information about Classical CDs --- p.84 / Maximum Price Willing to Pay --- p.88 / Preferred Tangible Changes or Improvements --- p.89 / Conclusion --- p.91 / Competitive Profile --- p.91 / Market Profile --- p.92 / Customer Profile --- p.93 / Product Profile --- p.94 / Company Profile --- p.95 / Chapter V. --- "MARKETING PLAN FOR SONY'S CLASSICAL DIVISION, 1997-1998" --- p.97 / Target Markets --- p.97 / Marketing Objectives --- p.98 / Product Objectives --- p.98 / Pricing Objectives --- p.99 / Communication Objectives --- p.100 / Distribution Objectives --- p.105 / Monitoring System --- p.107 / Conclusion --- p.108 / APPENDIX --- p.110 / BIBLIOGRAPHY --- p.133
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Strategy of converting prospects into customers for HMV Hong Kong.January 1997 (has links)
by Yau Ka Pui, Lea [and] Yeung Sze Man. / Thesis (M.B.A.)--Chinese University of Hong Kong, 1997. / Includes bibliographical references (leaves 108-112). / ABSTRACT --- p.II / TABLE OF CONTENTS --- p.IV / LIST OF ILLUSTRATIONS --- p.VI / LIST OF TABLES --- p.VII / ACKNOWLEDGEMENT --- p.IX / CHAPTER / Chapter I. --- INTRODUCTION --- p.1 / Global Trend --- p.2 / Music Industry in a Global Perspective --- p.2 / Growth of Mass Retailing IndusTRy in Hong Kong --- p.5 / Marketing Situation of the Small Music Retailers in Hong Kong --- p.7 / Product --- p.7 / Price --- p.8 / Place the Stores --- p.8 / Promotion --- p.9 / Emergence of CD Chain Stores in HK Music Retailing in Early 1990's --- p.10 / HMV CD Retailing Chain Stores --- p.10 / HMV as a Store Differentiator --- p.11 / HMV's unique Store Atmosphere: --- p.13 / Carefuliy Designed Entertainment Facilities in HMV --- p.14 / HMV's Role as an Information Provider --- p.15 / Market Reality --- p.19 / CHAPTER CONCLUSION --- p.20 / Chapter II. --- RESEARCH OBJECTIVES --- p.22 / Chapter III. --- METHODOLOGY --- p.24 / Data Collection --- p.25 / Sampling Plan --- p.25 / Terminology --- p.26 / Chapter IV. --- DATA ANALYSIS AND RESULTS --- p.29 / Causeway Bay Store --- p.29 / Profile of Existing Shoppers --- p.29 / "Profile of HMV Buyers and "" Mere Shoppers""" --- p.35 / Profile of Buyers with regard to their Purchase Volume --- p.39 / Shatin Store --- p.43 / Profile of Existing Shoppers --- p.43 / "Profile of HMV Buyers and “Mere Shoppers""" --- p.47 / Profile of Buyers with regard to their Purchase Volume --- p.49 / Summary of Analysis and Results --- p.51 / Chapter V. --- RECOMMENDATIONS --- p.54 / The Marketing Model --- p.55 / The Market Segmentation for HMV Customers --- p.56 / Target Group Analysis --- p.58 / Generic Marketing Objectives --- p.59 / Enlarge the Market --- p.60 / Increase Market Share --- p.60 / Improve Profitability --- p.60 / Specific Objectives for HMV --- p.61 / Analysis of Mere Shoppers --- p.62 / The Marketing Tactics for Mere Shoppers --- p.62 / Free CD Trial in Neighbouring Retail Stores --- p.63 / Coupons --- p.63 / Set a Time Slot for CD on Sales --- p.64 / Men's Day --- p.64 / Analysis of the Light Buyers --- p.66 / Feasible Marketing Tactics for the Light Buyers --- p.66 / HMV Club --- p.67 / Chance of Getting an Autographed CD --- p.68 / Chance of Getting an Autographed Poster or Photograph --- p.68 / Dedication Service --- p.69 / "Modification on the Current ""Members Card""" --- p.69 / Analysis of the Medium Buyers --- p.72 / Marketing Tactics for the Medium Buyers --- p.72 / Starting from the Existing Pool of Information --- p.72 / Store Image --- p.73 / The Real Meaning of Quality Service --- p.75 / A Private Listening Area --- p.76 / Analysis of the Heavy Buyers --- p.76 / Marketing Tactics for Heavy Buyers --- p.77 / Customer Retention Program --- p.77 / HMV Credit Card --- p.77 / Direct Mailing Service --- p.78 / Quality Service --- p.78 / A Private Listening Booth --- p.78 / Long-term Marketing Strategy --- p.79 / The Significance of a Customer Database --- p.80 / Blueprint for Customer Segmentation --- p.81 / Quality Data for precise Target Segments --- p.81 / Basis for Relationship Marketing --- p.82 / Customer Databases as a Survey Research Complement --- p.82 / Customer Survey as a Monitoring Means --- p.83 / Chapter Conclusion --- p.85 / Chapter VI. --- CONLUSION --- p.86 / Project Limitation --- p.86 / Objectives achieved in this HMV Project --- p.87 / Marketing Implications for Other Organisations --- p.88 / APPENDIX --- p.90 / BIBLOGRAPHY --- p.108
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Cracked and Broken Media in 20th and 21st Century Music and SoundKelly, Caleb, n/a January 2007 (has links)
From the mid 20th century into the 21st, artists and musicians manipulated,
cracked and broke audio media technologies to produce novel, unique and
indeterminate sounds and performances. Artists such as John Cage, Nam June
Paik, Milian Kn��k, Christian Marclay, Yasunao Tone, Oval and Otomo
Yoshihide pulled apart the technologies of music playback, both the playback
devices � phonographs and CD players � and the recorded media � vinyl records
and Compact Discs. Based in the sound expansion of the 20th century musical
avant garde, this practice connects the interdisciplinary Fluxus movement with
late 20th century sound art and experimental electronic music. Cracked and
broken media techniques play a significant role in 20th century music and sound,
and continue to be productive into the 21st. The primary contribution of this
thesis is to provide a novel and detailed historical account of these practices. In
addition it considers theoretical approaches to this work. After considering
approaches through critiques of recording media, and concepts of noise, this
thesis proposes novel theorisations focusing on materiality and the everyday.
Ultimately it proposes that these practices can be read as precursors to
contemporary new media, as music and sound art cracked open the fixed
structures of �old media� technologies for their own creative purposes.
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