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  Department of Robotics and Mechatronics Engineering Theses Ph.D.

Bionic Engineering for Conformal Surfaces: Subretinal Electrodes and Shape-Morphing Structures

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dc.contributor.advisor 김소희 -
dc.contributor.author Namju Kim -
dc.date.accessioned 2026-01-23T10:53:59Z -
dc.date.available 2026-01-23T10:53:59Z -
dc.date.issued 2026 -
dc.identifier.uri https://scholar.dgist.ac.kr/handle/20.500.11750/59606 -
dc.identifier.uri http://dgist.dcollection.net/common/orgView/200000951714 -
dc.description Biomedical Engineering, Mechanical Conformity, Microelectrode Array, Retinal Prosthesis, Strain-limiting Elements, Inflatable Structures, Soft Robotics, FDM 3D Printing -
dc.description.tableofcontents Chapter Ⅰ. Background 1
1. Mechanical conformity in biomedical devices 2
2. Manufacturing techniques of biomedical devices 3
3. Research Objectives 4
Chapter ⅠⅠ. Subretinal Electrodes with Controlled Roundness and Aspect Ratio for Improved Retinal Conformity 5
1. Introduction 6
2. Methods 8
2.1 Fabrication 8
2.2 Electrochemical characterization 16
2.3 Biocompatibility test 18
2.4 In vitro stimulation 19
3. Results and discussion 22
3.1 Fabrication 22
3.2 Electrochemical characterization 28
3.3 Biocompatibility test 31
3.4 In vitro stimulation 33
4. Conclusion 36
Chapter ⅠⅠⅠ. Engineering Stretchability Using Strain-Limiting Elements: Simulation, Fabrication, and Optimization 37
1. Introduction 38
2. Simulation 42
2.1 Background 42
2.2 Idealization of strain-limiting element as bilinear 1D spring 44
2.3 Solver 47
2.4 Evaluation 51
3. Fabrication 53
3.1 Development of strain-limiting elements with controlled onset length 53
3.2 Programming stretchability via transverse drawing of 3D printed fibers 61
4. Optimization 72
4.1 Sizing optimization to find optimal number of strands 72
5. Conclusion 77
Chapter Ⅳ. Conclusion 79
1. Conclusion 80
2. Future research 81
References 82		 -
dc.format.extent 90 -
dc.language eng -
dc.publisher DGIST -
dc.title Bionic Engineering for Conformal Surfaces: Subretinal Electrodes and Shape-Morphing Structures -
dc.title.alternative 곡면 적합형 생체 공학: 망막 하 전극 및 형상 가변 구조 -
dc.type Thesis -
dc.identifier.doi 10.22677/THESIS.200000951714 -
dc.description.degree Doctor -
dc.contributor.department Department of Robotics and Mechatronics Engineering -
dc.contributor.coadvisor Hongki Kang -
dc.date.awarded 2026-02-01 -
dc.publisher.location Daegu -
dc.description.database dCollection -
dc.citation XT.RD 김19 202602 -
dc.date.accepted 2026-01-19 -
dc.contributor.alternativeDepartment 로봇및기계전자공학과 -
dc.subject.keyword Biomedical Engineering, Mechanical Conformity, Microelectrode Array, Retinal Prosthesis, Strain-limiting Elements, Inflatable Structures, Soft Robotics, FDM 3D Printing -
dc.contributor.affiliatedAuthor Namju Kim -
dc.contributor.affiliatedAuthor Sohee Kim -
dc.contributor.affiliatedAuthor Hongki Kang -
dc.contributor.alternativeName 김남주 -
dc.contributor.alternativeName Sohee Kim -
dc.contributor.alternativeName 강홍기 -
dc.rights.embargoReleaseDate 2028-02-28 -
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