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Proceedings Papers

Dynamics for Micromachined Silicon Dual Negative Pressure Slider Bearings With an Integrated Microsuspension Mechanism in Proximity Magnetic Recording

Norio Tagawa, Atsunobu Mori, Hiroshi Kajitani, Masanobu Hashimoto
Proc. ASME. IMECE98, 9th International Symposium on Information Storage and Processing Systems, 97-102, November 15–20, 1998
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1998-0213
https://doi.org/10.1115/IMECE1998-0213
View Paper titled, Dynamics for Micromachined Silicon Dual Negative Pressure Slider Bearings With an Integrated Microsuspension Mechanism in Proximity Magnetic Recording
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Topics: Dynamics (Mechanics), Magnetic recording, Micromachining, Pressure, Silicon, Slider bearings, Ships, Disks, Air bearings, Computer simulation
Proceedings Papers

Effect of Temperature on the Spreading Characteristics of Molecularly Thin Liquid Lubricant Films in Hard Disk Drives

Norio Tagawa, Kenta Mori, Atsunobu Mori, Masako Ikegami
Proc. ASME. IJTC2008, STLE/ASME 2008 International Joint Tribology Conference, 669-671, October 20–22, 2008
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2008-71035
https://doi.org/10.1115/IJTC2008-71035
View Paper titled, Effect of Temperature on the Spreading Characteristics of Molecularly Thin Liquid Lubricant Films in Hard Disk Drives
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Topics: Disks, Lubricants, Temperature, Mechanical admittance, Diffusion (Physics), Evaporation, Horizontal directional drilling, Robustness, Viscosity
Proceedings Papers

Effects of Molecularly Thin Liquid Lubricant Film Materials on Slider Hysteresis Instability in Hard Disk Drives

Norio Tagawa, Daisuke Tanaka, Atsunobu Mori
Proc. ASME. IJTC2007, ASME/STLE 2007 International Joint Tribology Conference, Parts A and B, 1103-1104, October 22–24, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2007-44494
https://doi.org/10.1115/IJTC2007-44494
View Paper titled, Effects of Molecularly Thin Liquid Lubricant Film Materials on Slider Hysteresis Instability in Hard Disk Drives
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Topics: Disks, Lubricants, Pressure, Friction, Intermolecular forces, Mechanical admittance, Pumps
Proceedings Papers

MEMS-Based Active Sliders With Multi-Layered Composite PZT Thin Films in Hard Disk Drives

Norio Tagawa, Atsunobu Mori
Proc. ASME. TRIB2002, Magnetic Storage Symposium: Frontiers of Magnetic Hard Disk Drive Tribology and Technology, 9-15, October 27–30, 2002
Publisher: American Society of Mechanical Engineers
Paper No: 2002-TRIB-0249
https://doi.org/10.1115/2002-TRIB-0249
View Paper titled, MEMS-Based Active Sliders With Multi-Layered Composite PZT Thin Films in Hard Disk Drives
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Topics: Composite materials, Disks, Microactuators, Microelectromechanical systems, Thin films
Proceedings Papers

Spreading of Novel Cyclotriphosphazine-Terminated PFPE Films on Carbon Surfaces

Norio Tagawa, Tadao Tateyama, Atsunobu Mori, Nagayoshi Kobayashi, Yoshinobu Fujii, Masako Ikegami
Proc. ASME. TRIB2003, Magnetic Storage Symposium: Frontiers of Magnetic Hard Disk Drive Tribology and Technology, 17-20, October 26–29, 2003
Publisher: American Society of Mechanical Engineers
Paper No: 2003-TRIB-332
https://doi.org/10.1115/2003-TRIB-332
View Paper titled, Spreading of Novel Cyclotriphosphazine-Terminated PFPE Films on Carbon Surfaces
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Topics: Carbon, Film thickness, Lubricants, Disks, Mechanical admittance, Adhesion, Diffusion (Physics)
Proceedings Papers

Effects of End-Group Functionality and Molecular Weight of Ultra-Thin Liquid Lubricant Films on Contact Slider Dynamics in Hard Disk Drives

Norio Tagawa, Yoshiaki Tashiro, Atsunobu Mori
Proc. ASME. TRIB2004, ASME/STLE 2004 International Joint Tribology Conference, Parts A and B, 1523-1529, October 24–27, 2004
Publisher: American Society of Mechanical Engineers
Paper No: TRIB2004-64193
https://doi.org/10.1115/TRIB2004-64193
View Paper titled, Effects of End-Group Functionality and Molecular Weight of Ultra-Thin Liquid Lubricant Films on Contact Slider Dynamics in Hard Disk Drives
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Topics: Disks, Dynamics (Mechanics), Lubricants, Molecular weight, Film thickness, Wetting, Acoustic emissions
Proceedings Papers

Effects of Molecularly Thin Lubricant Films on Slider Touch-Down and Take-Off Hysteresis Behavior in Hard Disk Drives

Norio Tagawa, Hiroshi Sendo, Atsunobu Mori
Proc. ASME. WTC2005, World Tribology Congress III, Volume 1, 715-716, September 12–16, 2005
Publisher: American Society of Mechanical Engineers
Paper No: WTC2005-63622
https://doi.org/10.1115/WTC2005-63622
View Paper titled, Effects of Molecularly Thin Lubricant Films on Slider Touch-Down and Take-Off Hysteresis Behavior in Hard Disk Drives
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Topics: Disks, Lubricants, Molecular weight, Vibration, Film thickness
Proceedings Papers

Effects of Molecularly Thin Liquid Lubricant Films on Slider Hysteresis Behavior in Hard Disk Drives

Norio Tagawa, Atsunobu Mori, Ken Senoue
Proc. ASME. IJTC2006, Part B: Magnetic Storage Tribology; Manufacturing/Metalworking Tribology; Nanotribology; Engineered Surfaces; Biotribology; Emerging Technologies; Special Symposia on Contact Mechanics; Special Symposium on Nanotribology, 833-841, October 23–25, 2006
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2006-12062
https://doi.org/10.1115/IJTC2006-12062
View Paper titled, Effects of Molecularly Thin Liquid Lubricant Films on Slider Hysteresis Behavior in Hard Disk Drives
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Topics: Disks, Lubricants, Film thickness, Diluents, Density, Design, Engineering simulation, Friction, Intermolecular forces, Magnetic recording
Proceedings Papers

Heat Deformation in Optical Measurement of MEMS

Yasuhiko Arai, Tatsuya Nakagami, Seiji Aoyagi, Atsunobu Mori, Shunsuke Yokozeki
Proc. ASME. IMECE2002, Microelectromechanical Systems, 389-393, November 17–22, 2002
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2002-33399
https://doi.org/10.1115/IMECE2002-33399
View Paper titled, Heat Deformation in Optical Measurement of MEMS
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Topics: Microelectromechanical systems, Optical measurement, Thermal deformation
Proceedings Papers

Development of Multi-Layered Composite PZT Thin Films for Active Sliders in Hard Disk Drives

Norio Tagawa, Ken-ichi Kitamura, Atsunobu Mori
Proc. ASME. IMECE2002, Microelectromechanical Systems, 39-43, November 17–22, 2002
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2002-33284
https://doi.org/10.1115/IMECE2002-33284
View Paper titled, Development of Multi-Layered Composite PZT Thin Films for Active Sliders in Hard Disk Drives
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Topics: Composite materials, Disks, Sol-gel processing, Thin films
Proceedings Papers

The Dynamic Characteristics of MEMS Driven by Laser Beam

Yasuhiko Arai, Shunsuke Yokozeki, Seiji Aoyagi, Atsunobu Mori
Proc. ASME. IMECE2003, Microelectromechanical Systems, 571-575, November 15–21, 2003
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2003-41117
https://doi.org/10.1115/IMECE2003-41117
View Paper titled, The Dynamic Characteristics of MEMS Driven by Laser Beam
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Topics: Laser beams, Microelectromechanical systems, Microcantilevers, Machinery, Frequency response, Mechanical properties, Resonance, Semiconductor lasers, Signals, Vacuum
Journal Articles

Effects of Molecularly Thin Liquid Lubricant Films on Slider Hysteresis Behavior in Hard Disk Drives

Norio Tagawa, Atsunobu Mori, Ken Senoue
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Papers
J. Tribol. July 2007, 129(3): 579–585.
https://doi.org/10.1115/1.2736448
Published Online: January 10, 2007
View Article titled, Effects of Molecularly Thin Liquid Lubricant Films on Slider Hysteresis Behavior in Hard Disk Drives
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Topics: Disks, Film thickness, Lubricants
Journal Articles

Experimental Study on Flow-Induced Disk Flutter Dynamics by Measuring the Pressure Between Disks

Shigenori Takada, Norio Tagawa, Atsunobu Mori, Yoshiaki Mizoh, Masaru Nakakita
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. March 2007, 129(3): 368–375.
https://doi.org/10.1115/1.2427086
Published Online: July 26, 2006
View Article titled, Experimental Study on Flow-Induced Disk Flutter Dynamics by Measuring the Pressure Between Disks
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Topics: Disks, Pressure, Vibration
Journal Articles

Spreading of Novel Cyclotriphosphazine-Terminated PFPE Films on Carbon Surfaces

Norio Tagawa, Professor, Tadao Tateyama, Atsunobu Mori, Professor, Nagayoshi Kobayashi, Yoshinobu Fujii, Masako Ikegami
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2004, 126(4): 751–754.
https://doi.org/10.1115/1.1760765
Published Online: November 9, 2004
View Article titled, Spreading of Novel Cyclotriphosphazine-Terminated PFPE Films on Carbon Surfaces
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Topics: Carbon, Diffusion (Physics), Disks, Film thickness, Lubricants, Mechanical admittance, Adhesion
Journal Articles

Effect of Ultra-Thin Liquid Lubricant Films on Dynamics of Nano-Spacing Flying Head Sliders in Hard Disk Drives

Norio Tagawa, Noritaka Yoshioka, Atsunobu Mori
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Papers
J. Tribol. July 2004, 126(3): 565–572.
https://doi.org/10.1115/1.1739409
Published Online: June 28, 2004
View Article titled, Effect of Ultra-Thin Liquid Lubricant Films on Dynamics of Nano-Spacing Flying Head Sliders in Hard Disk Drives
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Topics: Disks, Lubricants, Dynamics (Mechanics), Film thickness, Signals
Journal Articles

Effects of Moving Three-Dimensional Nano-Textured Disk Surfaces on Thin Film Gas Lubrication Characteristics for Flying Head Slider Bearings in Magnetic Disk Storage

Norio Tagawa, Professor, Takefumi Hayashi, Associate Professor, Atsunobu Mori, Professor
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Papers
J. Tribol. January 2001, 123(1): 151–158.
https://doi.org/10.1115/1.1326442
Published Online: July 25, 2000
View Article titled, Effects of Moving Three-Dimensional Nano-Textured Disk Surfaces on Thin Film Gas Lubrication Characteristics for Flying Head Slider Bearings in Magnetic Disk Storage
Open the PDF for Effects of Moving Three-Dimensional Nano-Textured Disk Surfaces on Thin Film Gas Lubrication Characteristics for Flying Head Slider Bearings in Magnetic Disk Storage in another window
Topics: Disks, Lubrication, Magnetic disc storage, Texture (Materials), Dynamics (Mechanics), Air bearings, Thin films, Design, Slider bearings, Simulation
Journal Articles

Dynamics for Micromachined Mother Ship Negative Pressure Slider Bearings With an Integrated Microsuspension Mechanism in Proximity Magnetic Recording

Norio Tagawa, Atsunobu Mori, Hiroshi Kajitani, Masanobu Hashimoto
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 1999, 121(4): 989–994.
https://doi.org/10.1115/1.2834167
Published Online: October 1, 1999
View Article titled, Dynamics for Micromachined Mother Ship Negative Pressure Slider Bearings With an Integrated Microsuspension Mechanism in Proximity Magnetic Recording
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Topics: Dynamics (Mechanics), Magnetic recording, Micromachining, Pressure, Ships, Slider bearings, Optimization, Stiffness, Design, Disks
Journal Articles

Effects of Fluid Inertia Forces on the Performance of a Plane Inclined Sector Pad for an Annular Thrust Bearing Under Laminar Condition

Atsunobu Mori, Katsuyuki Tanaka, Haruo Mori
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 1985, 107(1): 46–52.
https://doi.org/10.1115/1.3261001
Published Online: January 1, 1985
View Article titled, Effects of Fluid Inertia Forces on the Performance of a Plane Inclined Sector Pad for an Annular Thrust Bearing Under Laminar Condition
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Topics: Fluids, Inertia (Mechanics), Thrust bearings, Pressure, Centrifugal force, Damping, Film thickness, Flow (Dynamics), Load bearing capacity, Lubricants
Journal Articles

On the Stabilizing Methods of Externally Pressurized Thrust Gas Bearings

Haruo Mori, Atsunobu Mori
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 1967, 89(3): 283–289.
https://doi.org/10.1115/1.3616970
Published Online: July 1, 1967
View Article titled, On the Stabilizing Methods of Externally Pressurized Thrust Gas Bearings
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Topics: Gas bearings, Thrust, Bearings, Capacitance, Design, Fluids
Journal Articles

Closure to “Discussion of ‘On the Stabilizing Methods of Externally Pressurized Thrust Gas Bearings’” (1967, ASME J. Lubr. Technol., 89, p. 290)

Haruo Mori, Atsunobu Mori
Journal: Journal of Tribology
Publisher: ASME
Article Type: Discussions
J. Tribol. July 1967, 89(3): 290.
https://doi.org/10.1115/1.3616973
Published Online: July 1, 1967
View Article titled, Closure to “Discussion of ‘On the Stabilizing Methods of Externally Pressurized Thrust Gas Bearings’” (1967, ASME J. Lubr. Technol., 89, p. 290)
Open the PDF for Closure to “Discussion of ‘On the Stabilizing Methods of Externally Pressurized Thrust Gas Bearings’” (1967, ASME J. Lubr. Technol., 89, p. 290) in another window
Topics: Thrust