Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Robert E. Fontana"'
Autor:
Robert G. Biskeborn, Robert E. Fontana, Calvin S. Lo, W. Stanley Czarnecki, Jason Liang, Icko E. T. Iben, Gary M. Decad, Venus A. Hipolito
Publikováno v:
AIP Advances, Vol 8, Iss 5, Pp 056511-056511-8 (2018)
This paper highlights the development of tunnel magnetoresistive (TMR) sensors for magnetic tape recording applications. This has led to the introduction of a tape drives supporting a 15 TB native tape cartridge, currently the highest capacity availa
Externí odkaz:
https://doaj.org/article/e57ded71dfdf4f18ab372fc0f4ea144d
Autor:
Robert E. Fontana Jr., Gary M. Decad
Publikováno v:
AIP Advances, Vol 8, Iss 5, Pp 056506-056506-5 (2018)
This paper describes trends in the storage technologies associated with Linear Tape Open (LTO) Tape cartridges, hard disk drives (HDD), and NAND Flash based storage devices including solid-state drives (SSD). This technology discussion centers on the
Externí odkaz:
https://doaj.org/article/5c607a4f96b0460b9c5d653418151551
Publikováno v:
AIP Advances, Vol 9, Iss 12, Pp 125222-125222-5 (2019)
Tape, which is the storage of magnetic bits on flexible 0.5” wide media, provides critical data storage needs for the Cloud as evidenced by continued growth in exabyte shipments of tape products. This paper outlines the present storage landscape en
Publikováno v:
IEEE Transactions on Magnetics. 50:1-4
Results of experiments in which hard-disk drive (HDD) tunnel valve (TV) sensors were run in continuous contact with magnetic recording tape are presented. In one mode, suspended HDD sliders were run against tape backed by a supporting air film in a n
Autor:
Philipp Herget, Naigang Wang, Gary M. Decad, Lubomyr T. Romankiw, William J. Gallagher, Eugene J. O'Sullivan, Robert E. Fontana, Bucknell C. Webb
Publikováno v:
IEEE Transactions on Magnetics. 49:4137-4143
Successful implementation of on-chip power conversion using ferromagnetic inductors requires both high power efficiency and high power density. The theoretical limits to power density and efficiency possible with thin film ferromagnetic inductors in
Autor:
Icko E. T. Iben, Gary M. Decad, Wlodzimierz S. Czarnecki, Andrew C. Ting, P. M. Rice, Teya Topuria, Jason Liang, Calvin S. Lo, Robert G. Biskeborn, Robert E. Fontana, Lee C. Randall
Publikováno v:
ECS Transactions. 50:19-33
Linear tape recording heads, introduced in 1984, originally were cylindrical ferrite structures having shunt-biased magnetoresistive sensors. In 2000, heads transitioned to flat-lapped, ceramic wafers and anisotropic magnetoresistive (AMR) sensors fa
Autor:
Naigang Wang, Noah Sturcken, Lubomyr T. Romankiw, William J. Gallagher, Bucknell C. Webb, Philipp Herget, Kenneth L. Shepard, Robert E. Fontana, Eugene J. O'Sullivan
Publikováno v:
ECS Transactions. 50:93-105
Thin-film ferromagnetic inductors show great potential as the energy storage element for integrated circuits containing on-chip power management. In order to achieve the high energy storage required for power management, on-chip inductors require rel
Autor:
Bucknell C. Webb, Naigang Wang, William J. Gallagher, Robert E. Fontana, Philipp Herget, Gary M. Decad, Angel V. Peterchev, Luca P. Carloni, Noah Sturcken, Lubomyr T. Romankiw, Michele Petracca, Ryan R. Davies, Ioannis Kymissis, Kenneth L. Shepard, Eugene J. O'Sullivan
Publikováno v:
IEEE Journal of Solid-State Circuits. 48:244-254
An integrated voltage regulator (IVR) is presented that uses custom fabricated thin-film magnetic power inductors. The inductors are fabricated on a silicon interposer and integrated with a multi-phase buck converter IC by 2.5D chip stacking. Several
Autor:
Philipp Herget, Robert E. Fontana, Gary M. Decad, Bucknell C. Webb, Naigang Wang, William J. Gallagher, Lubomyr T. Romankiw, Eugene J. O'Sullivan, Xiaolin Hu
Publikováno v:
IEEE Transactions on Magnetics. 48:4119-4122
Saturation in thin film coupled magnetic inductors was measured as a function of dc current in both windings. A simple mathematical model was created to approximate the inductor saturation level in the presence of the two currents. The model was comp
Publikováno v:
IEEE Transactions on Magnetics. 48:1692-1696
This paper describes the roadmap goals for tape based magnetic recording (TAPE) and uses these goals as counterpoints for the roadmap strategies for hard disk drive (HDD) and NAND flash. Technology comparisons described in this paper will show that p