Optical Head Lens Actuator for High Information Bit Rate Recording
Summary :
A magneto-optical head lens actuator was developed for use at a high information bit rate and high density recording. A high bit rate at the outer diameter of a 300 mm disk (velocity = 27.3 m/s) was attained by mounting an aspherical plastic lens and optimizing the shape of lens holder for achieving higher spurious frequency over 30 kHz, utilizing the finite element method (FEM). Another approach was focused on reducing gain peak at the natural frequnecy by adopting "multi-wire" and a silicone "gel box" damping system for stabilizing the pull-in characteristic for focusing and tracking. By the actuator realization, a high density recording of 0.34 µm/bit and high information bit rate 80 Mbps (1, 7 code modulation) recording were attained.
- Publication
- IEICE TRANSACTIONS on Electronics Vol.E77-C No.10 pp.1581-1586
- Publication Date
- 1994/10/25
- Publicized
- Online ISSN
- DOI
- Type of Manuscript
- Special Section PAPER (Special Issue on Recent Electromechanical Devices)
- Category
- Actuator and Resonator
Authors
Keyword
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Tsutomu MATSUI, "Optical Head Lens Actuator for High Information Bit Rate Recording" in IEICE TRANSACTIONS on Electronics,
vol. E77-C, no. 10, pp. 1581-1586, October 1994, doi: .
Abstract: A magneto-optical head lens actuator was developed for use at a high information bit rate and high density recording. A high bit rate at the outer diameter of a 300 mm disk (velocity = 27.3 m/s) was attained by mounting an aspherical plastic lens and optimizing the shape of lens holder for achieving higher spurious frequency over 30 kHz, utilizing the finite element method (FEM). Another approach was focused on reducing gain peak at the natural frequnecy by adopting "multi-wire" and a silicone "gel box" damping system for stabilizing the pull-in characteristic for focusing and tracking. By the actuator realization, a high density recording of 0.34 µm/bit and high information bit rate 80 Mbps (1, 7 code modulation) recording were attained.
URL: https://global.ieice.org/en_transactions/electronics/10.1587/e77-c_10_1581/_p
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@ARTICLE{e77-c_10_1581,
author={Tsutomu MATSUI, },
journal={IEICE TRANSACTIONS on Electronics},
title={Optical Head Lens Actuator for High Information Bit Rate Recording},
year={1994},
volume={E77-C},
number={10},
pages={1581-1586},
abstract={A magneto-optical head lens actuator was developed for use at a high information bit rate and high density recording. A high bit rate at the outer diameter of a 300 mm disk (velocity = 27.3 m/s) was attained by mounting an aspherical plastic lens and optimizing the shape of lens holder for achieving higher spurious frequency over 30 kHz, utilizing the finite element method (FEM). Another approach was focused on reducing gain peak at the natural frequnecy by adopting "multi-wire" and a silicone "gel box" damping system for stabilizing the pull-in characteristic for focusing and tracking. By the actuator realization, a high density recording of 0.34 µm/bit and high information bit rate 80 Mbps (1, 7 code modulation) recording were attained.},
keywords={},
doi={},
ISSN={},
month={October},}
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TY - JOUR
TI - Optical Head Lens Actuator for High Information Bit Rate Recording
T2 - IEICE TRANSACTIONS on Electronics
SP - 1581
EP - 1586
AU - Tsutomu MATSUI
PY - 1994
DO -
JO - IEICE TRANSACTIONS on Electronics
SN -
VL - E77-C
IS - 10
JA - IEICE TRANSACTIONS on Electronics
Y1 - October 1994
AB - A magneto-optical head lens actuator was developed for use at a high information bit rate and high density recording. A high bit rate at the outer diameter of a 300 mm disk (velocity = 27.3 m/s) was attained by mounting an aspherical plastic lens and optimizing the shape of lens holder for achieving higher spurious frequency over 30 kHz, utilizing the finite element method (FEM). Another approach was focused on reducing gain peak at the natural frequnecy by adopting "multi-wire" and a silicone "gel box" damping system for stabilizing the pull-in characteristic for focusing and tracking. By the actuator realization, a high density recording of 0.34 µm/bit and high information bit rate 80 Mbps (1, 7 code modulation) recording were attained.
ER -
English
