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Proceedings Papers

Adsorption and Tribological Properties of Perfluoropolyether Lubricant Films Having Main-Chains With Different Carbon Number

Hiroshi Tani, Yuki Yamaji, Ryosuke Sagata, Tomomi Hatta, Renguo Lu, Shinji Koganezawa, Norio Tagawa
Proc. ASME. ISPS2023, ASME 2023 32nd Conference on Information Storage and Processing Systems, V001T04A001, August 28–29, 2023
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2023-109769
https://doi.org/10.1115/ISPS2023-109769
View Paper titled, Adsorption and Tribological Properties of Perfluoropolyether Lubricant Films Having Main-Chains With Different Carbon Number
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Topics: Carbon, Chain, Lubricants, Tribology, Disks, Clearances (Engineering), Wear
Proceedings Papers

Computational and Experimental Investigation of Contact Detect Response of a Head-Integrated Thermistor on HAMR vs. PMR Media

Manuel C. Anaya-Dufresne, Yixuan Li, M. D. Murthy Peri, James Kiely, Michael T. Johnson, Kent Bodurtha, Matthew Carper
Proc. ASME. ISPS2021, ASME 2021 30th Conference on Information Storage and Processing Systems, V001T05A004, June 2–3, 2021
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2021-66171
https://doi.org/10.1115/ISPS2021-66171
View Paper titled, Computational and Experimental Investigation of Contact Detect Response of a Head-Integrated Thermistor on HAMR vs. PMR Media
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Topics: Clearances (Engineering), Computer simulation, Disks, Electrical resistance, Heat, Horizontal directional drilling, Magnetic recording, Modeling
Proceedings Papers

Study of Contact Detect Response for PMR and HAMR Media Using the Integrated Thermistor Based Proximity Sensor

M. D. Murthy Peri, James Kiely, Manuel C. Anaya-Dufresne, Kent Bodurtha
Proc. ASME. ISPS2020, ASME 2020 29th Conference on Information Storage and Processing Systems, V001T05A005, June 24–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2020-1958
https://doi.org/10.1115/ISPS2020-1958
View Paper titled, Study of Contact Detect Response for PMR and HAMR Media Using the Integrated Thermistor Based Proximity Sensor
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Topics: Clearances (Engineering), Disks, Heat conduction, Heat transfer, Sensors, Thermal conductivity
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

A Method to Detect Head Media Spacing Change in a Hard Disk Drive Using an Embedded Contact Sensor

Rahul Rai, Puneet Bhargava, Bernhard Knigge, Aravind N. Murthy
Proc. ASME. ISPS2019, ASME 2019 28th Conference on Information Storage and Processing Systems, V001T01A001, June 27–28, 2019
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2019-7457
https://doi.org/10.1115/ISPS2019-7457
View Paper titled, A Method to Detect Head Media Spacing Change in a Hard Disk Drive Using an Embedded Contact Sensor
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Topics: Disks, Sensors, Clearances (Engineering), Contamination, Dynamic response, Failure, Horizontal directional drilling, Wear
Proceedings Papers

Laser Current Studies in Heat-Assisted Magnetic Recording

Tan D. Trinh, Sukumar Rajauria, Robert Smith, Erhard Schreck, Qing Dai, Frank E. Talke
Proc. ASME. ISPS2019, ASME 2019 28th Conference on Information Storage and Processing Systems, V001T01A003, June 27–28, 2019
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2019-7511
https://doi.org/10.1115/ISPS2019-7511
View Paper titled, Laser Current Studies in Heat-Assisted Magnetic Recording
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Topics: Clearances (Engineering), Disks, Heat, Lasers, 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

Prediction and Experimental Verification of the Heights of Air-Oil Interfaces in the FDBs in a Tied Shaft of HDDs During Non-Operating Conditions

M. H. Lee, J. H. Lee, K. B. Kim, G. H. Jang
Proc. ASME. ISPS2017, ASME 2017 Conference on Information Storage and Processing Systems, V001T05A003, August 29–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2017-5427
https://doi.org/10.1115/ISPS2017-5427
View Paper titled, Prediction and Experimental Verification of the Heights of Air-Oil Interfaces in the FDBs in a Tied Shaft of HDDs During Non-Operating Conditions
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Topics: Atmospheric pressure, Bearings, Clearances (Engineering), Disks, Fluids, Hydrostatic pressure, Pressure
Proceedings Papers

NFT Wing Protection on HAMR Head Using a Window Underlayer Structure

Robert Smith, Sukumar Rajauria, Sripathi Vangipuram Canchi, Qing Dai
Proc. ASME. ISPS2017, ASME 2017 Conference on Information Storage and Processing Systems, V001T01A006, August 29–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2017-5429
https://doi.org/10.1115/ISPS2017-5429
View Paper titled, NFT Wing Protection on HAMR Head Using a Window Underlayer Structure
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Topics: Clearances (Engineering), Design, Disks, Materials properties, Reliability, Simulation, Thermal expansion, Thermomechanics, Wings
Proceedings Papers

A Numerical Study of the Nanoscale Heat Transfer in the Head-Disk Interface for Heat Assisted Magnetic Recording

Haoyu Wu, David Bogy
Proc. ASME. ISPS2016, ASME 2016 Conference on Information Storage and Processing Systems, V001T01A003, June 20–21, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2016-9518
https://doi.org/10.1115/ISPS2016-9518
View Paper titled, A Numerical Study of the Nanoscale Heat Transfer in the Head-Disk Interface for Heat Assisted Magnetic Recording
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Topics: Disks, Heat, Magnetic recording, Nanoscale heat transfer, Clearances (Engineering), Heat transfer, Heat transfer coefficients, Heating, Horizontal directional drilling, Lasers
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

Effect of Vapor Lubrication on Head–Disk Clearance and Slider Wear in Inert Gas Environments

Hiroshi Tani, Jun Tomita, Shinji Koganezawa, N. Tagawa
Proc. ASME. ISPS2014, 2014 Conference on Information Storage and Processing Systems, V001T01A007, June 23–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2014-6931
https://doi.org/10.1115/ISPS2014-6931
View Paper titled, Effect of Vapor Lubrication on Head–Disk Clearance and Slider Wear in Inert Gas Environments
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Topics: Clearances (Engineering), Disks, Lubrication, Vapors, Wear, Horizontal directional drilling, Carbon, Helium, Oxygen, Control systems
Proceedings Papers

Nano Wear of Thermal Flying Height Control Sliders

Andreas Hegetschweiler, Liane Matthes, Frank E. Talke
Proc. ASME. ISPS2014, 2014 Conference on Information Storage and Processing Systems, V001T01A026, June 23–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2014-6992
https://doi.org/10.1115/ISPS2014-6992
View Paper titled, Nano Wear of Thermal Flying Height Control Sliders
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Topics: Wear, Disks, Clearances (Engineering), Density, Lubricants, Storage, Surface roughness, Thermal expansion
Proceedings Papers

In-Situ Contact Potential Measurement in Hard Disk Drives Using Head Disk Interface Voltage Control

Aravind N. Murthy, Remmelt Pit, Karl A. Flechsig
Proc. ASME. ISPS2014, 2014 Conference on Information Storage and Processing Systems, V001T01A027, June 23–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2014-6994
https://doi.org/10.1115/ISPS2014-6994
View Paper titled, In-Situ Contact Potential Measurement in Hard Disk Drives Using Head Disk Interface Voltage Control
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Topics: Disks, Clearances (Engineering)
Proceedings Papers

Monte Carlo Simulation of the Manufacturing Tolerance of FDBs to Identify the Sensitive Design Variables Affecting the Performance of a Disk-Spindle System

J. H. Lee, M. H. Lee, H. K. Jang, G. H. Jang
Proc. ASME. ISPS2014, 2014 Conference on Information Storage and Processing Systems, V001T05A005, June 23–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2014-6950
https://doi.org/10.1115/ISPS2014-6950
View Paper titled, Monte Carlo Simulation of the Manufacturing Tolerance of FDBs to Identify the Sensitive Design Variables Affecting the Performance of a Disk-Spindle System
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Topics: Design, Disks, Manufacturing, Simulation, Friction, Torque, Journal bearings, Bearings, Clearances (Engineering), Fluids
Proceedings Papers

Multi-Resolution HDD Contact Detection Technique for Low SNR Applications

Antanas Daugela, Jon D. Trantham, Srinivas Tadepalli
Proc. ASME. ISPS2013, ASME 2013 Conference on Information Storage and Processing Systems, V001T01A026, June 24–25, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2013-2942
https://doi.org/10.1115/ISPS2013-2942
View Paper titled, Multi-Resolution HDD Contact Detection Technique for Low SNR Applications
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Topics: Horizontal directional drilling, Resolution (Optics), Acoustics, Air bearings, Disks, Probes, Signals, Calibration, Clearances (Engineering), Cycles
Proceedings Papers

Frictional Heating Effect on Thermal Protrusion in Head Disk Interface

Jianhua Li, Junguo Xu, Masaru Furukawa
Proc. ASME. ISPS2013, ASME 2013 Conference on Information Storage and Processing Systems, V001T01A016, June 24–25, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2013-2894
https://doi.org/10.1115/ISPS2013-2894
View Paper titled, Frictional Heating Effect on Thermal Protrusion in Head Disk Interface
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Topics: Disks, Heating, Clearances (Engineering), Friction, Horizontal directional drilling, Wear, Density
Proceedings Papers

Application of Vertically-Aligned Carbon Nano-Tube for Burnishing Slider in Cleaning Process of Magnetic Disk Surface

Hiroshi Tani, K. Konishi, W. Norimatsu, M. Kusunoki, N. Tagawa
Proc. ASME. ISPS2013, ASME 2013 Conference on Information Storage and Processing Systems, V001T01A007, June 24–25, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2013-2840
https://doi.org/10.1115/ISPS2013-2840
View Paper titled, Application of Vertically-Aligned Carbon Nano-Tube for Burnishing Slider in Cleaning Process of Magnetic Disk Surface
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Topics: Carbon, Disks, Nanotubes, Chemical vapor deposition, Adhesion, Atoms, Carbon nanotubes, Magnetic heads, Clearances (Engineering), Control systems