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Proceedings Papers

A Method for Characterizing the Head-Disk Interface Dynamics Near the Touchdown Conditions Using the Magnetic Fly-Height

Rahul Rai, Abhishek Srivastava, Bernhard Knigge, Aravind N. Murthy
Proc. ASME. ISPS2020, ASME 2020 29th Conference on Information Storage and Processing Systems, V001T10A001, June 24–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2020-1961
https://doi.org/10.1115/ISPS2020-1961
View Paper titled, A Method for Characterizing the Head-Disk Interface Dynamics Near the Touchdown Conditions Using the Magnetic Fly-Height
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Topics: Disks, Dynamics (Mechanics), Clearances (Engineering), Horizontal directional drilling, Air bearings, Density, Design, Meteorology, Risk, Signals
Proceedings Papers

Air Bearing Pushback in Heat Assisted Magnetic Recording

Shaomin Xiong, Robert Smith, Chanh Nguyen, Youfeng Zhang, Yeoungchin Yoon
Proc. ASME. ISPS2019, ASME 2019 28th Conference on Information Storage and Processing Systems, V001T03A007, June 27–28, 2019
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2019-7503
https://doi.org/10.1115/ISPS2019-7503
View Paper titled, Air Bearing Pushback in Heat Assisted Magnetic Recording
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Topics: Air bearings, Disks, Heat, Magnetic recording
Proceedings Papers

Effect of Humidity on the Nanoscale Heat Transfer at the Head-Media Interface

Qilong Cheng, Yuan Ma, David Bogy
Proc. ASME. ISPS2019, ASME 2019 28th Conference on Information Storage and Processing Systems, V001T03A004, June 27–28, 2019
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2019-7449
https://doi.org/10.1115/ISPS2019-7449
View Paper titled, Effect of Humidity on the Nanoscale Heat Transfer at the Head-Media Interface
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Topics: Nanoscale heat transfer, Heat transfer, Water, Heat, Magnetic recording, Air bearings, Clearances (Engineering), Cooling, Design, Disks
Proceedings Papers

Groove Shape Optimization of Thrust Air Bearing for Small Size Spindle Considering the Processing Errors

Masayuki Ochiai, Naoya Kato, Hiromu Hashimoto
Proc. ASME. ISPS-MIPE2018, ASME-JSME 2018 Joint International Conference on Information Storage and Processing Systems and Micromechatronics for Information and Precision Equipment, V001T02A002, August 29–30, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ISPS-MIPE2018-8549
https://doi.org/10.1115/ISPS-MIPE2018-8549
View Paper titled, Groove Shape Optimization of Thrust Air Bearing for Small Size Spindle Considering the Processing Errors
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Topics: Air bearings, Errors, Shape optimization, Thrust, Lasers, Machining, Thrust bearings, Engines, Microfabrication, Motors
Proceedings Papers

Correlation of Disk Topography Waves With Nanometer Scale Lubricant Moguls

Andrey Ovcharenko, Tom Karis, Jih-Ping Peng
Proc. ASME. ISPS2017, ASME 2017 Conference on Information Storage and Processing Systems, V001T01A001, August 29–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2017-5401
https://doi.org/10.1115/ISPS2017-5401
View Paper titled, Correlation of Disk Topography Waves With Nanometer Scale Lubricant Moguls
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Topics: Disks, Lubricants, Nanoscale phenomena, Waves, Oscillations, Shear stress, Air bearings, Carbon, Density, Magnetic recording
Proceedings Papers

Novel Ultra-Sensitive Air Bearing Excitation Based Resonance Contact Detection in Heat Assisted Magnetic Recording (HAMR)

Sukumar Rajauria, Erhard Schreck, Robert Smith
Proc. ASME. ISPS2017, ASME 2017 Conference on Information Storage and Processing Systems, V001T01A010, August 29–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2017-5443
https://doi.org/10.1115/ISPS2017-5443
View Paper titled, Novel Ultra-Sensitive Air Bearing Excitation Based Resonance Contact Detection in Heat Assisted Magnetic Recording (HAMR)
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Topics: Air bearings, Excitation, Heat, Magnetic recording, Resonance, Disks, Acoustics, Signals, Transducers
Proceedings Papers

A Heat Transfer Study in the Head Disk Interface and an Insight to Heat Assisted Magnetic Recording Design

Haoyu Wu, David Bogy
Proc. ASME. ISPS2017, ASME 2017 Conference on Information Storage and Processing Systems, V001T01A007, August 29–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2017-5430
https://doi.org/10.1115/ISPS2017-5430
View Paper titled, A Heat Transfer Study in the Head Disk Interface and an Insight to Heat Assisted Magnetic Recording Design
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Topics: Design, Disks, Heat, Heat transfer, Magnetic recording, Air bearings, Convection, Engineering simulation, Pressure, Sensors
Proceedings Papers

Numerical Analysis of Microwaviness-Excited Vibrations of a Flying Head Slider at Touchdown

Kyosuke Ono
Proc. ASME. ISPS2017, ASME 2017 Conference on Information Storage and Processing Systems, V001T01A012, August 29–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2017-5447
https://doi.org/10.1115/ISPS2017-5447
View Paper titled, Numerical Analysis of Microwaviness-Excited Vibrations of a Flying Head Slider at Touchdown
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Topics: Numerical analysis, Vibration, Air bearings, Disks, Adhesion, Degrees of freedom, Stiffness
Proceedings Papers

Analysis of the Adhered Particle Secondary Migration on the Slider Air Bearing Surface

Sen Liu, Sheng-Nan Shen, Li Hui, Fu-Hao Cui
Proc. ASME. ISPS2016, ASME 2016 Conference on Information Storage and Processing Systems, V001T01A020, June 20–21, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2016-9623
https://doi.org/10.1115/ISPS2016-9623
View Paper titled, Analysis of the Adhered Particle Secondary Migration on the Slider Air Bearing Surface
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Topics: Air bearings, Particulate matter, Damage, Adhesion, Adhesives, Aerodynamics, Disks, Flow (Dynamics), Fluid-dynamic forces, Shear rate
Proceedings Papers

Analysis of Microwaviness-Excited Vibrations of a Flying Head Slider in Asperity Contact Regime

Kyosuke Ono
Proc. ASME. ISPS2016, ASME 2016 Conference on Information Storage and Processing Systems, V001T01A011, June 20–21, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2016-9580
https://doi.org/10.1115/ISPS2016-9580
View Paper titled, Analysis of Microwaviness-Excited Vibrations of a Flying Head Slider in Asperity Contact Regime
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Topics: Vibration, Disks, Design, Dynamics (Mechanics), Adhesives, Air bearings, Computer simulation, Density, Lubricants, Physics
Proceedings Papers

Effects of Temperature on Particle Trajectory Inside the Helium-Filled Hard Disk Drive

Yuwen Zhu, Guoqing Zhang, Shengnan Shen, Hui Li, Yun Yang, Yibo Chen, Wenbin Sun
Proc. ASME. ISPS2016, ASME 2016 Conference on Information Storage and Processing Systems, V001T01A017, June 20–21, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2016-9618
https://doi.org/10.1115/ISPS2016-9618
View Paper titled, Effects of Temperature on Particle Trajectory Inside the Helium-Filled Hard Disk Drive
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Topics: Disks, Helium, Particulate matter, Temperature effects, Trajectories (Physics), Engines, Motors, Air bearings, Boundary-value problems, Computational fluid dynamics
Proceedings Papers

Experimental Investigation of Heat Flux at the Head-Disk Interface in Hard Disk Drives

Yuan Ma, David B. Bogy
Proc. ASME. ISPS2016, ASME 2016 Conference on Information Storage and Processing Systems, V001T01A008, June 20–21, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2016-9550
https://doi.org/10.1115/ISPS2016-9550
View Paper titled, Experimental Investigation of Heat Flux at the Head-Disk Interface in Hard Disk Drives
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Topics: Disks, Heat flux, Heat conduction, Cooling, Heat transfer, Phonons, Temperature programmed desorption, Air bearings, Design, Flow (Dynamics)
Proceedings Papers

Viscoelastic Effects on Lubricant Depletion and Recovery Under Heat-Assisted Magnetic Recording (HAMR) Conditions

Soroush Sarabi, David B. Bogy
Proc. ASME. ISPS2016, ASME 2016 Conference on Information Storage and Processing Systems, V001T01A009, June 20–21, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2016-9578
https://doi.org/10.1115/ISPS2016-9578
View Paper titled, Viscoelastic Effects on Lubricant Depletion and Recovery Under Heat-Assisted Magnetic Recording (HAMR) Conditions
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Topics: Heat, Lubricants, Magnetic recording, Relaxation (Physics), Viscosity, Lasers, Temperature, Viscoelasticity, Disks, Finite element methods
Proceedings Papers

Experimental Study of the Resonances of the Slider Modulations by Laser Doppler Vibrometer

Peng Peng, Narayanan Ramakrishnan, Vijay Kumar, Brian Karr
Proc. ASME. ISPS2014, 2014 Conference on Information Storage and Processing Systems, V001T01A019, June 23–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2014-6984
https://doi.org/10.1115/ISPS2014-6984
View Paper titled, Experimental Study of the Resonances of the Slider Modulations by Laser Doppler Vibrometer
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Topics: Laser Doppler vibrometers, Resonance, Air bearings, Clearances (Engineering), Design, Density, Disks, Engines, Horizontal directional drilling, Motors
Proceedings Papers

Advanced Operational Shock Analysis Considering Ramp-Disk Contact for 2.5 Inch Stamped Base HDD

Geonyup Lim, Kyoung-Su Park, No-Cheol Park, Young-Pil Park
Proc. ASME. ISPS2014, 2014 Conference on Information Storage and Processing Systems, V001T04A002, June 23–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2014-6955
https://doi.org/10.1115/ISPS2014-6955
View Paper titled, Advanced Operational Shock Analysis Considering Ramp-Disk Contact for 2.5 Inch Stamped Base HDD
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Topics: Disks, Horizontal directional drilling, Shock (Mechanics), Simulation, Air bearings, Springs, Transient analysis
Proceedings Papers

Analysis of Thermal Flying-Height Control System About Humid Air Condition in Hard Disk Drive

Jonghak Choi, No-Cheol Park, Young-Pil Park, Kyoung-Su Park, Eo-Jin Hong, Yonghyun Lee, Cheol-Soon Kim
Proc. ASME. ISPS2014, 2014 Conference on Information Storage and Processing Systems, V001T01A015, June 23–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2014-6958
https://doi.org/10.1115/ISPS2014-6958
View Paper titled, Analysis of Thermal Flying-Height Control System About Humid Air Condition in Hard Disk Drive
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Topics: Air bearings, Condensation, Control systems, Disks, Heat transfer coefficients, Simulation, Vapor pressure
Proceedings Papers

Investigation of Slider Vibrations and Vibration Mode Changes in Helium-Air Gas Mixtures

Zhengqiang Tang, Frank E. Talke
Proc. ASME. ISPS2014, 2014 Conference on Information Storage and Processing Systems, V001T01A022, June 23–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2014-6988
https://doi.org/10.1115/ISPS2014-6988
View Paper titled, Investigation of Slider Vibrations and Vibration Mode Changes in Helium-Air Gas Mixtures
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Topics: Helium, Vibration, Air bearings, Computer simulation, Density, Mean free path, Simulation, Viscosity
Proceedings Papers

Simplified Second Order Reynolds Equation for Simulating Ultra-Thin Gas Film Lubrication in the Head/Disk Interface

Bao-Jun Shi, Jia-Dong Ji, Ting-Yi Yang, Longqui Li, Chuanwei Zhang
Proc. ASME. ISPS2014, 2014 Conference on Information Storage and Processing Systems, V001T01A010, June 23–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2014-6942
https://doi.org/10.1115/ISPS2014-6942
View Paper titled, Simplified Second Order Reynolds Equation for Simulating Ultra-Thin Gas Film Lubrication in the Head/Disk Interface
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Topics: Disks, Lubrication, Particle swarm optimization, Rotating disks, Air bearings, Computation, Databases, Density, Finite volume methods, Poiseuille flow
Proceedings Papers

Design Parameter Study on the Influence of Anti-Shock Performance During Operational Condition for a 2.5-Inch HDD

Geonyup Lim, Kyoung-Su Park, No-Cheol Park, Young-Pil Park, Yonghyun Lee, Young Bae Chang, Cheol-Soon Kim
Proc. ASME. ISPS2014, 2014 Conference on Information Storage and Processing Systems, V001T04A003, June 23–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2014-6956
https://doi.org/10.1115/ISPS2014-6956
View Paper titled, Design Parameter Study on the Influence of Anti-Shock Performance During Operational Condition for a 2.5-Inch HDD
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Topics: Design, Horizontal directional drilling, Shock (Mechanics), Simulation, Air bearings, Springs
Proceedings Papers

A Flying Stability of the Slider With Damaged DLC Layer by Confined Optical Energy in TAMR System

Jonghak Choi, Kyoung-Su Park, Geonyup Lim, No-Cheol Park, Young-Pil Park
Proc. ASME. ISPS2014, 2014 Conference on Information Storage and Processing Systems, V001T01A016, June 23–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2014-6961
https://doi.org/10.1115/ISPS2014-6961
View Paper titled, A Flying Stability of the Slider With Damaged DLC Layer by Confined Optical Energy in TAMR System
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Topics: Air bearings, Carbon, Damage, Diamonds, Dynamics (Mechanics), Lasers, Magnetic recording, Pressure, Stability, Stiffness