Development of High-Frequency Ultrasound Transducers and Signal Processing Algorithms for Integrated Circuit Inspection
- Title
- Development of High-Frequency Ultrasound Transducers and Signal Processing Algorithms for Integrated Circuit Inspection
- Author(s)
- Yoonseong Jang
- DGIST Authors
- Yoonseong Jang ; Jin Ho Chang ; Jaesok Yu
- Advisor
- 장진호
- Co-Advisor(s)
- Jaesok Yu
- Issued Date
- 2024
- Awarded Date
- 2024-02-01
- Type
- Thesis
- Description
- ultrasound imaging;integrated circuit inspection;ultrasound transducer;synthetic aperture technique
- Table Of Contents
-
Ⅰ. INTRODUCTION 1
II. Method 4
2.1 Screw type lens fabrication 4
2.2 Lens noise simulation 5
2.3 Conventional and screw type lens transducer 7
2.4 Synthetic aperture focusing and coherence factor weighting 8
III. Transducer Evaluation 13
3.1 Pulse-Echo measurement 13
3.2 Resolution measurement 15
3.3 Noise comparison 17
IV. DBC Imaging 18
4.1 CT image 18
4.2 Data processing 19
4.3 Epoxy target imaging 20
4.4 Image comparison of lens type 22
4.5 Image comparison after signal processing (SAF, SACF) 23
V. Discussions and Conclusions 25
References 26
- URI
-
http://hdl.handle.net/20.500.11750/48111
http://dgist.dcollection.net/common/orgView/200000724875
- Degree
- Master
- Publisher
- DGIST
- Related Researcher
-
-
Chang, Jin Ho
- Research Interests Biomedical Imaging; Signal and Image Processing; Ultrasound Imaging System; Ultrasound Transducer; Photoacoustic Imaging
-
- Files in This Item:
-
There are no files associated with this item.
- Appears in Collections:
- Department of Electrical Engineering and Computer Science Theses Master
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