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Proceedings Papers

A Triangular Frequency-Tuning Comb Array

Ki Bang Lee, Young-Ho Cho
Proc. ASME. IMECE97, Microelectromechanical Systems (MEMS), 127-131, November 16–21, 1997
Paper No: IMECE1997-0950
DOI: https://doi.org/10.1115/IMECE1997-0950
View Paper titled, A Triangular Frequency-Tuning Comb Array
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Topics: Damping, Manufacturing, Microfabrication, Micromachining, Micromechanical resonators, Pressure, Resonance, Shapes
Proceedings Papers

A Lateral Repulsive-Force Drive Using Asymmetric Electrostatic Field

Ki Bang Lee, Young-Ho Cho
Proc. ASME. IMECE97, Microelectromechanical Systems (MEMS), 81-85, November 16–21, 1997
Paper No: IMECE1997-0943
DOI: https://doi.org/10.1115/IMECE1997-0943
View Paper titled, A Lateral Repulsive-Force Drive Using Asymmetric Electrostatic Field
Click here to open pdf in another window PDF for A Lateral Repulsive-Force Drive Using Asymmetric Electrostatic Field
Topics: Atmospheric pressure, Displacement, Electric fields, Electrodes, Electromagnetic induction, Finite element analysis, Microactuators, Micromachining, Polysilicon, Resonance
Proceedings Papers

Design, Fabrication and Static Test of a Resonant Microaccelerometer

Si Young Kim, Jeung Sang Go, Young-Ho Cho
Proc. ASME. IMECE97, Microelectromechanical Systems (MEMS), 21-26, November 16–21, 1997
Paper No: IMECE1997-0933
DOI: https://doi.org/10.1115/IMECE1997-0933
View Paper titled, Design, Fabrication and Static Test of a Resonant Microaccelerometer
Click here to open pdf in another window PDF for Design, Fabrication and Static Test of a Resonant Microaccelerometer
Topics: Design, Manufacturing, Resonance, Accelerometers, Micromachining, Polysilicon, Stress, Annealing, Deflection, Mechanical structures
Proceedings Papers

Design and Fabrication of Piezoresistive Cantilever Microaccelerometer Arrays With a Symmetrically Bonded Proof-Mass

Jong Soo Ko, Young-Ho Cho, Byung Man Kwak, Kwanhum Park
Proc. ASME. IMECE98, Micro-Electro-Mechanical Systems (MEMS), 353-356, November 15–20, 1998
Paper No: IMECE1998-1267
DOI: https://doi.org/10.1115/IMECE1998-1267
View Paper titled, Design and Fabrication of Piezoresistive Cantilever Microaccelerometer Arrays With a Symmetrically Bonded Proof-Mass
Click here to open pdf in another window PDF for Design and Fabrication of Piezoresistive Cantilever Microaccelerometer Arrays With a Symmetrically Bonded Proof-Mass
Topics: Cantilevers, Design, Manufacturing, Accelerometers, Microfabrication, Cantilever beams, Mass production, Resonance, Sawing, Semiconductor wafers
Proceedings Papers

Design, Fabrication and Uncertainty Evaluation of a Surface-Micromachined Capacitive Microaccelerometer

Ki-Ho Han, Jong-Pal Kim, Young-Ho Cho
Proc. ASME. IMECE98, Micro-Electro-Mechanical Systems (MEMS), 347-352, November 15–20, 1998
Paper No: IMECE1998-1266
DOI: https://doi.org/10.1115/IMECE1998-1266
View Paper titled, Design, Fabrication and Uncertainty Evaluation of a Surface-Micromachined Capacitive Microaccelerometer
Click here to open pdf in another window PDF for Design, Fabrication and Uncertainty Evaluation of a Surface-Micromachined Capacitive Microaccelerometer
Topics: Design, Manufacturing, Micromachining, Uncertainty, Accelerometers, Capacitance, Electrodes, Resonance, Circuits, Engineering prototypes
Proceedings Papers

Design and Strength Evaluation of an Anodically Bonded Pressurized Cavity Array for Wafer-Level MEMS Packaging

Jeung Sang Go, Young-Ho Cho
Proc. ASME. IMECE98, Micro-Electro-Mechanical Systems (MEMS), 357-360, November 15–20, 1998
Paper No: IMECE1998-1268
DOI: https://doi.org/10.1115/IMECE1998-1268
View Paper titled, Design and Strength Evaluation of an Anodically Bonded Pressurized Cavity Array for Wafer-Level MEMS Packaging
Click here to open pdf in another window PDF for Design and Strength Evaluation of an Anodically Bonded Pressurized Cavity Array for Wafer-Level MEMS Packaging
Topics: Cavities, Design, MEMS packaging, Semiconductor wafers, Bonding, Plates (structures), Pressure, Design methodology, Failure, Finite element analysis
Proceedings Papers

Near-Field Electromagnetic Shielding Effect of On-Chip Electroplated Copper Layers

Tae Goo Kang, Young-Ho Cho
Proc. ASME. IMECE99, Micro-Electro-Mechanical Systems (MEMS), 541-544, November 14–19, 1999
Paper No: IMECE1999-0318
DOI: https://doi.org/10.1115/IMECE1999-0318
View Paper titled, Near-Field Electromagnetic Shielding Effect of On-Chip Electroplated Copper Layers
Click here to open pdf in another window PDF for Near-Field Electromagnetic Shielding Effect of On-Chip Electroplated Copper Layers
Topics: Copper, Silicon, Electromagnetic radiation, Microelectromechanical systems, Microwaves, Nickel, Wave frequency
Proceedings Papers

Residual Stress and Thickness Control of Piezoelectric Multilayer Micromirror Actuators for Initial Deflection Minimization

Myeong-Jin Kim, Young-Ho Cho
Proc. ASME. IMECE99, Micro-Electro-Mechanical Systems (MEMS), 101-103, November 14–19, 1999
Paper No: IMECE1999-0252
DOI: https://doi.org/10.1115/IMECE1999-0252
View Paper titled, Residual Stress and Thickness Control of Piezoelectric Multilayer Micromirror Actuators for Initial Deflection Minimization
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Topics: Actuators, Deflection, Stress, Design, Manufacturing, Micromachining, Thin films
Proceedings Papers

A New Transverse Electromagnetic Microactuator Using the Radial Magnetic Field Guided by Symmetric Twin Magnets

Ji-Chul Ryu, Tae Goo Kang, Young-Ho Cho
Proc. ASME. IMECE99, Micro-Electro-Mechanical Systems (MEMS), 105-109, November 14–19, 1999
Paper No: IMECE1999-0253
DOI: https://doi.org/10.1115/IMECE1999-0253
View Paper titled, A New Transverse Electromagnetic Microactuator Using the Radial Magnetic Field Guided by Symmetric Twin Magnets
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Topics: Magnetic fields, Magnets, Microactuators, Diaphragms (Mechanical devices), Diaphragms (Structural), Copper, Q-factor, Resonance, Silicon
Proceedings Papers

Viscous Damping of On-Substrate Torsional Micromirrors

Eung-Sam Kim, Ki-Ho Han, Young-Ho Cho
Proc. ASME. IMECE99, Micro-Electro-Mechanical Systems (MEMS), 111-115, November 14–19, 1999
Paper No: IMECE1999-0254
DOI: https://doi.org/10.1115/IMECE1999-0254
View Paper titled, Viscous Damping of On-Substrate Torsional Micromirrors
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Topics: Damping, Atmospheric pressure, Filters, Finite element analysis, Interferometers, Micromachining, Oscillations, Resonance, Silicon, Theoretical analysis
Proceedings Papers

High-Impulse Digital Microthrusters Using Low-Boiling-Temperature Liquid Propellant With High-Viscosity Fluid Plug

Tae Goo Kang, Sang Wook Kim, Young-Ho Cho
Proc. ASME. IMECE2001, Micro-Electro-Mechanical Systems (MEMS), 663-667, November 11–16, 2001
Paper No: IMECE2001/MEMS-23893
DOI: https://doi.org/10.1115/IMECE2001/MEMS-23893
View Paper titled, High-Impulse Digital Microthrusters Using Low-Boiling-Temperature Liquid Propellant With High-Viscosity Fluid Plug
Click here to open pdf in another window PDF for High-Impulse Digital Microthrusters Using Low-Boiling-Temperature Liquid Propellant With High-Viscosity Fluid Plug
Topics: Boiling, Fluids, Impulse (Physics), Microelectromechanical systems, Propellants, Temperature, Viscosity, Micromachining, Pressure
Proceedings Papers

Air Damping Evaluation for Laterally Driven Electrostatic Repulsive-Force Microactuators

Ki Bang Lee, Young-Ho Cho
Proc. ASME. IMECE2000, Micro-Electro-Mechanical Systems (MEMS), 361-366, November 5–10, 2000
Paper No: IMECE2000-1117
DOI: https://doi.org/10.1115/IMECE2000-1117
View Paper titled, Air Damping Evaluation for Laterally Driven Electrostatic Repulsive-Force Microactuators
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Topics: Damping, Microactuators, Q-factor, Creeping flow, Electric fields, Electrodes, Fittings, Simulation results, Viscosity
Proceedings Papers

Micromechanical Behavior and Optical Characteristics of a Free-Standing Polymer Waveguide

Moo-Jin Choi, Kyoung-Sun Seo, Young-Hyun Jin, Young-Ho Cho
Proc. ASME. IMECE2000, Micro-Electro-Mechanical Systems (MEMS), 69-74, November 5–10, 2000
Paper No: IMECE2000-1073
DOI: https://doi.org/10.1115/IMECE2000-1073
View Paper titled, Micromechanical Behavior and Optical Characteristics of a Free-Standing Polymer Waveguide
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Topics: Polymers, Waveguides, Deflection, Design, Experimental characterization, Failure
Proceedings Papers

An Integrated SOI Optical Microswitch Using Electrostatic Micromirror Actuators With Insulated Touch-Down Beams and Curved Electrodes

Young-Hyun Jin, Kyoung-Sun Seo, Young-Ho Cho, Sang-Shin Lee, Ki-Chang Song, Jong-Uk Bu
Proc. ASME. IMECE2000, Micro-Electro-Mechanical Systems (MEMS), 177-181, November 5–10, 2000
Paper No: IMECE2000-1089
DOI: https://doi.org/10.1115/IMECE2000-1089
View Paper titled, An Integrated SOI Optical Microswitch Using Electrostatic Micromirror Actuators With Insulated Touch-Down Beams and Curved Electrodes
Click here to open pdf in another window PDF for An Integrated SOI Optical Microswitch Using Electrostatic Micromirror Actuators With Insulated Touch-Down Beams and Curved Electrodes
Topics: Actuators, Electrodes, Silicon-on-insulator, Microactuators, Silicon, Waveguides, Design, Etching, Insulation, Resonance
Proceedings Papers

Design, Fabrication and Characterization of a New Magnetic Microsensor Using Plasma Hall Effect

Young Ho Seo, Ki-Ho Han, Young-Ho Cho
Proc. ASME. IMECE2000, Micro-Electro-Mechanical Systems (MEMS), 117-122, November 5–10, 2000
Paper No: IMECE2000-1080
DOI: https://doi.org/10.1115/IMECE2000-1080
View Paper titled, Design, Fabrication and Characterization of a New Magnetic Microsensor Using Plasma Hall Effect
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Topics: Design, Hall effect, Manufacturing, Microsensors, Plasmas (Ionized gases), Magnetic fields, Pressure, Theoretical analysis, Electrodes, Electrons
Journal Articles

Pumpless Fuel Supply Using Pressurized Fuel Regulated by Autonomous Flow-Rate Regulation Valves

Il Doh, Young-Ho Cho
Journal: Journal of Electrochemical Energy Conversion and Storage
Article Type: Technical Briefs
J. Electrochem. En. Conv. Stor. June 2012, 9(3): 034503.
DOI: https://doi.org/10.1115/1.4006473
Published Online: April 25, 2012
View Article titled, Pumpless Fuel Supply Using Pressurized Fuel Regulated by Autonomous Flow-Rate Regulation Valves
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Topics: Flow (Dynamics), Fuels, Pressure, Valves, Engineering prototypes, Water, Fuel cells
Proceedings Papers

Use of Percentile Rank Sum Method in Identifying Repetitive High Occupational Radiation Dose Jobs in a Nuclear Power Plant

Young Ho Cho, Hyun-Seok Ko, Suk-Hoon Kim, Chang Sun Kang, Joo Hyun Moon, Kyoung Doek Kim
Proc. ASME. ICONE12, 12th International Conference on Nuclear Engineering, Volume 2, 133-142, April 25–29, 2004
Paper No: ICONE12-49370
DOI: https://doi.org/10.1115/ICONE12-49370
View Paper titled, Use of Percentile Rank Sum Method in Identifying Repetitive High Occupational Radiation Dose Jobs in a Nuclear Power Plant
Click here to open pdf in another window PDF for Use of Percentile Rank Sum Method in Identifying Repetitive High Occupational Radiation Dose Jobs in a Nuclear Power Plant
Topics: Nuclear power stations, Radiation (Physics)
Proceedings Papers

Establishment of Korean Nuclear Ombudsman System Importing Compensation and Insurance Concept for Residents

Hyun Seok Ko, Yong Min Kim, Young Wook Lee, Dong Hoon Shin, Young Ho Cho, Chang Sun Kang
Proc. ASME. ICONE14, Volume 3: Structural Integrity; Nuclear Engineering Advances; Next Generation Systems; Near Term Deployment and Promotion of Nuclear Energy, 907-910, July 17–20, 2006
Paper No: ICONE14-89725
DOI: https://doi.org/10.1115/ICONE14-89725
View Paper titled, Establishment of Korean Nuclear Ombudsman System Importing Compensation and Insurance Concept for Residents
Click here to open pdf in another window PDF for Establishment of Korean Nuclear Ombudsman System Importing Compensation and Insurance Concept for Residents
Topics: Insurance, Decision making, Nuclear power stations, Nuclear power, Nuclear reactors, Electricity (Physics), Feedback, Nuclear construction, Radioactive waste repositories, Risk management
Proceedings Papers

INSREC: Computational System for Quantitative Analysis of Radiation Effects Covering All Radiation Field

Dong Hoon Shin, Young Wook Lee, Young Ho Cho, Hyun Seok Ko, SukHoon Kim, YongMin Kim, Chang Sun Kang
Proc. ASME. ICONE14, Volume 1: Plant Operations, Maintenance and Life Cycle; Component Reliability and Materials Issues; Codes, Standards, Licensing and Regulatory Issues; Fuel Cycle and High Level Waste Management, 277-283, July 17–20, 2006
Paper No: ICONE14-89724
DOI: https://doi.org/10.1115/ICONE14-89724
View Paper titled, INSREC: Computational System for Quantitative Analysis of Radiation Effects Covering All Radiation Field
Click here to open pdf in another window PDF for INSREC: Computational System for Quantitative Analysis of Radiation Effects Covering All Radiation Field
Topics: Radiation (Physics), Radiation effects, Databases, Accidents, Nuclear power, Nuclear power stations, Reliability, Diffusion (Physics), Errors, Expert systems
Proceedings Papers

Consensus Based Nuclear Public-Hearing System Model

Young Wook Lee, Suk Hoon Kim, Young Ho Cho, Hyun Seok Ko, Dong Hoon Shin, Joo Hyun Moon, Chang Sun Kang
Proc. ASME. ICONE14, Volume 1: Plant Operations, Maintenance and Life Cycle; Component Reliability and Materials Issues; Codes, Standards, Licensing and Regulatory Issues; Fuel Cycle and High Level Waste Management, 775-781, July 17–20, 2006
Paper No: ICONE14-89722
DOI: https://doi.org/10.1115/ICONE14-89722
View Paper titled, Consensus Based Nuclear Public-Hearing System Model
Click here to open pdf in another window PDF for Consensus Based Nuclear Public-Hearing System Model
Topics: Construction, Decision making, Feedback, Governments, Nuclear industry, Reflection, Valuation, Weight (Mass)