High depth resolution profiling for magnetic sector secondary ion mass spectrometry (SIMS

... voltage High depth resolution profiling for Magnetic- Sector SIMS ix Summary Secondary Ion Mass Spectrometry (SIMS) depth profiling is an important technique for the characterization of thin and ... Introduction 1.1 The need for high resolution Secondary Ion Mass Spectrometry( SIMS) 1.2 Practical issues and solutions to accurate SIMS depth profili...

Ngày tải lên: 16/09/2015, 15:23

... steerer table and (b) the 90° analyzing magnet on the analyzer table Source: [33] On both steerer and analyzer tables, a beam profile monitor (BPM) and a faraday cup measure the beam profile along ... at a pressure of bar SF6 has a dielectric strength approximately 2. 5 to times that of air, and serves to prevent corona buildup and tank sparks Other forms of electrica...

Ngày tải lên: 14/09/2015, 08:44

... Motor the sample orientation within the main chamber It allows for translation in the x, y θ Motor and z axes, as well as rotation about the θ and φ axes (Fig 3. 9) The translation resolution ... contained within the load lock chamber (a) (b) Goniometer Gate Valve V1 V1 Main Chamber Load lock chamber (c) Main chamber Main viewport Fig 3. 7 (a) Main chamber, goniometer and load lock...

Ngày tải lên: 14/09/2015, 08:44

... the top and bottom envelopes with the entrance edge Trajectories within magnet Circles are drawn within the magnet as trajectories for the top and bottom envelopes so that each envelope is a tangent ... boundary edges are filed at an angle of 45 ° at both the magnet entrance and exit 4. 6.2 Maxwell’s and Laplace’s equations The general Maxwell’s equations for electric and...

Ngày tải lên: 14/09/2015, 08:44

... suitability of Lu2O3 thin films were investigated by Darmawan et al [10 − 12 ] and it was found to exhibit favourable electrical and morphological properties 1. 4 Analysis of Lu2O3 ultra -thin films ... several high- k candidates have shown that La2O3 has the smallest leakage current, and hence the lowest ultimate scaling limits among several dielectrics candidates, with an...

Ngày tải lên: 14/09/2015, 08:44

... required depth-of-field of the scene exceeded the lens depth-of-field, focal stacking was used to extend the depth-of-field Before each scene was captured, we first imaged a dark current1 , a white image2 ... current literature pertaining to e- heritage, few works specifically aim to address problems caused by high resolution Different from the high- resolution requirement, 2D and 3D imag...

Ngày tải lên: 09/09/2015, 18:52

... overview of applications of high- throughput technologies in chemical proteomics Much attention will be focused on studies of high- throughput strategies for proteomic profiling of aspartic proteases ... Objectives The aim of this thesis is to develop high- throughput amenable strategies for chemically profiling of aspartic proteases as well as protei...

Ngày tải lên: 10/09/2015, 15:49

... relapse In conclusion, DNA chip platform is a high- throughput and reliable technology for genetic diagnosis and pharmacogenetic profiling ix LIST OF TABLES Page Table 1.1 Features of traditional ... severe anaemia, in between that of thalassaemia minor and major, afflicts the patient This is termed thalassaemia intermedia Southeast Asia lies in the malaria belt w...

Ngày tải lên: 12/09/2015, 08:18

... modular imaging system for photoelectron and electron probe microscopy with 20 aberration correction, and for mirror microscopy and low- energy electron microscopy , Ultramicroscopy 36 (1991) 252 ... The First Magnetic Sector Deflector Unit 108 4.3.2 The Second Magnetic Sector Deflector Unit 110 4.3.3 A Miniature Magnetic Immersion Lens for an Improved Magne...

Ngày tải lên: 15/09/2015, 17:09

... choice for projects that require an in-depth, hands-on understanding of simple to complex network environments PLANNING SERVICES MAINTENANCE SERVICES • Program and Project Management • Program and ... base point-to-point and a highavailability network ring The service allows for various and unique data protocols carried over an optical network As part of its deployment effor...

Ngày tải lên: 22/10/2013, 17:15

... management of broadband services and network performance ADC’s comprehensive portfolio of products and services helps our customers increase revenue, lower operational costs, and drive broadband ... infrastructure products, services and software that enable the profitable delivery of high- speed Internet, data, video, and voice services over our customers’ unique networks Regional He...

Ngày tải lên: 24/01/2014, 12:20

... Reviews of National Policies for Education Improving Lower Secondary Schools in Norway 2011 This work is published on the responsibility of the Secretary-General of the OECD The opinions ... this level, and international evidence and research findings on how lower secondary can be more effective IMPROVING LOWER SECONDARY SCHOOLS IN NORWAY © OECD 2011 18 -...

Ngày tải lên: 19/02/2014, 21:20

... sub5910 strates of H+ ⁄ peptide cotransporters, such as Gly-Sar, Ala-Ala, Lys-Lys, Ala-Asp, d-Phe-Ala, Ala-Ala-Ala, d-aminolevulinic acid, cefadroxil and Ala-4-nitroanilide (all 100 lm, Table 1) ... UK) Dexamethasone, apotransferrin, Gly-Gln, AlaAla, Ala-Ala-Ala, Lys-Lys, d-aminolevulinic acid, cefadroxil, Gly, Pro-Ala, 8-aminooctanoic acid and Gly-Sar were from Sigma-Aldrich (Deisenho...

Ngày tải lên: 07/03/2014, 05:20

... our high level describable attributes with SVM classification (blue), and a combination of low level features and high level attributes with SVM classification (green) For both aesthetics and interestingness ... features and evaluated on held out data We also show results for training classifiers using only low level features, and using a combination of low l...

Ngày tải lên: 16/03/2014, 18:20

... global order of accuracy for high- order accurate schemes One of the approaches to the solution of Maxwell equations with discontinuous coefficients is based on one-sided finite difference formulae, ... this work high- order accurate FDTD schemes are implemented for the solution of Maxwell equations in various coordinate systems These schemes have advantages over the curren...

Ngày tải lên: 17/03/2014, 14:29