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A Practical Guide to Surface Metrology

A Practical Guide to Surface Metrology

Michael Quinten

 

Verlag Springer-Verlag, 2020

ISBN 9783030294540 , 247 Seiten

Format PDF, OL

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A Practical Guide to Surface Metrology


 

Preface

7

Contents

9

About the Author

12

List of Figures

13

List of Tables

22

Chapter 1: Introduction to Surfaces and Surface Metrology

23

1.1 Microscopic View on a Surface

25

1.2 Macroscopic View on a Surface

27

1.3 Measurement and Validation

30

1.3.1 Profile Measurement

38

1.3.2 Areal Measurement

49

1.3.3 Measurement Modules

53

1.3.3.1 Stages

54

1.3.3.2 Piezoelectrical and Inductive Transducers

56

1.3.3.3 Optical Detectors

56

1.3.3.4 Light Sources

60

1.3.4 The Way to Reliable Surface Data

61

References

63

Chapter 2: Tactile Surface Metrology

64

2.1 Tactile Surface Profiling

64

2.2 Atomic Force Microscopy

68

References

75

Chapter 3: Capacitive and Inductive Surface Metrology

77

3.1 Capacitive Surface Profiling

77

3.2 Surface Profiling with Eddy Currents

82

References

85

Chapter 4: Optical Surface Metrology - Physical Basics

86

4.1 Electromagnetic Waves

86

4.2 Huygens-Fresnel Principle of Wave Propagation

89

4.3 Polarization

90

4.4 Interference

91

4.5 Coherence

93

4.6 Dielectric Function and Refractive Index

94

4.7 Reflection and Refraction

100

4.8 Dispersion Effects

103

4.9 Diffraction

105

4.10 Scattering

107

References

111

Chapter 5: Optical Surface Metrology: Methods

113

5.1 Chromatic Confocal Surface Profiling

113

5.2 Surface Profiling with an Autofocus Sensor

120

5.3 Light Sectional Methods

122

5.3.1 Laser Point Triangulator

122

5.3.2 Line Projection

123

5.3.3 Fringe Projection

124

5.4 Microscopy Methods

126

5.4.1 Classical Microscopy

127

5.4.2 Confocal Microscopy

133

5.4.3 Focal Depth Variation

142

5.4.4 Scanning Near-Field Optical Microscopy

145

5.5 Interferometric Methods

146

5.5.1 Interferometric Form Inspection

150

5.5.1.1 Form Inspection of Planar Surfaces

150

5.5.1.2 Form Inspection of Spherical, Aspherical and Freeform Surfaces

151

5.5.2 Tilted Wave Interferometry

152

5.5.3 White Light Interferometry

154

5.5.4 Wavelength Scanning Interferometry

163

5.5.5 Multi-Wavelength Interferometry

165

5.5.6 Grazing Incidence Interferometry

168

5.5.7 Frequency Scanning Interferometry

171

5.5.8 Digital Holographic Microscopy

173

5.5.9 Conoscopy

177

5.6 Wave Front Sensing (Shack-Hartmann)

178

5.7 Deflectometry

181

5.8 Makyoh Topography Sensor

183

5.9 Surface Profiling Using Elastic Light Scattering

185

5.9.1 Total Integrated Scattering (TIS)

186

5.9.2 Angular Resolved Scattering (ARS)

187

5.9.3 Speckle Based Roughness Determination

191

5.10 Spectral Analysis and Characterization

194

5.10.1 Reflectometry

195

5.10.1.1 Optical Film Thickness Determination

197

5.10.1.2 Critical Dimensions Determination

204

5.10.2 Spectroscopic Ellipsometry

206

References

208

Chapter 6: Imaging Methods

217

6.1 Industrial Image Processing

217

6.1.1 Illumination

219

6.1.2 Camera

219

6.1.3 Image Processing Hardware

220

6.1.4 Digital Image Processing Software

220

6.1.5 Mechanics

221

6.2 Shape from Shading

221

6.3 Hyperspectral Imaging

223

6.4 Scanning Electron Microscopy

226

6.5 Optical Coherence Tomography

229

6.6 Terahertz Spectroscopy

231

References

234

Chapter 7: Multisensor - Systems - A Versatile Approach to Surface Metrology

236

Appendix - Numerics with Complex Numbers

240

Addition

240

Multiplication

241

Modulus

241

Division

242

Power n

242

Logarithm

243

Exponentiation

243

Trigonometric Functions

243

Index

244