ITTO20010519A0 - Dispositivo orientabile, in particolare dispositivo attuatore di dischi rigidi, con controllo dell'angolo di rollio e di beccheggio. - Google Patents

Dispositivo orientabile, in particolare dispositivo attuatore di dischi rigidi, con controllo dell'angolo di rollio e di beccheggio.

Info

Publication number
ITTO20010519A0
ITTO20010519A0 IT2001TO000519A ITTO20010519A ITTO20010519A0 IT TO20010519 A0 ITTO20010519 A0 IT TO20010519A0 IT 2001TO000519 A IT2001TO000519 A IT 2001TO000519A IT TO20010519 A ITTO20010519 A IT TO20010519A IT TO20010519 A0 ITTO20010519 A0 IT TO20010519A0
Authority
IT
Italy
Prior art keywords
roll
hard disk
pitch angle
angle control
particular hard
Prior art date
Application number
IT2001TO000519A
Other languages
English (en)
Inventor
Simone Sassolini
Benedetto Vigna
Original Assignee
St Microelectronics Srl
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by St Microelectronics Srl filed Critical St Microelectronics Srl
Priority to IT2001TO000519A priority Critical patent/ITTO20010519A1/it
Publication of ITTO20010519A0 publication Critical patent/ITTO20010519A0/it
Priority to US10/161,054 priority patent/US7009799B2/en
Publication of ITTO20010519A1 publication Critical patent/ITTO20010519A1/it

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/60—Fluid-dynamic spacing of heads from record-carriers
    • G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5552—Track change, selection or acquisition by displacement of the head across disk tracks using fine positioning means for track acquisition separate from the coarse (e.g. track changing) positioning means
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5582—Track change, selection or acquisition by displacement of the head across disk tracks system adaptation for working during or after external perturbation, e.g. in the presence of a mechanical oscillation caused by a shock
IT2001TO000519A 2001-05-31 2001-05-31 Dispositivo orientabile, in particolare dispositivo attuatore di dischi rigidi, con controllo dell'angolo di rollio e di beccheggio. ITTO20010519A1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT2001TO000519A ITTO20010519A1 (it) 2001-05-31 2001-05-31 Dispositivo orientabile, in particolare dispositivo attuatore di dischi rigidi, con controllo dell'angolo di rollio e di beccheggio.
US10/161,054 US7009799B2 (en) 2001-05-31 2002-05-30 Tiltable device, in particular hard disk actuator device, with roll and pitch angle active control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2001TO000519A ITTO20010519A1 (it) 2001-05-31 2001-05-31 Dispositivo orientabile, in particolare dispositivo attuatore di dischi rigidi, con controllo dell'angolo di rollio e di beccheggio.

Publications (2)

Publication Number Publication Date
ITTO20010519A0 true ITTO20010519A0 (it) 2001-05-31
ITTO20010519A1 ITTO20010519A1 (it) 2002-12-01

Family

ID=11458914

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2001TO000519A ITTO20010519A1 (it) 2001-05-31 2001-05-31 Dispositivo orientabile, in particolare dispositivo attuatore di dischi rigidi, con controllo dell'angolo di rollio e di beccheggio.

Country Status (2)

Country Link
US (1) US7009799B2 (it)
IT (1) ITTO20010519A1 (it)

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US7677311B2 (en) * 2002-08-26 2010-03-16 Schlumberger Technology Corporation Internal breaker for oilfield treatments
US7072136B2 (en) * 2003-09-25 2006-07-04 Hitachi Global Storage Technologies Netherlands B.V. Method and apparatus for dynamically establishing pitch static attitude in hard disk drive
US7275596B2 (en) 2005-06-20 2007-10-02 Schlumberger Technology Corporation Method of using degradable fiber systems for stimulation
CN1797550A (zh) * 2004-12-30 2006-07-05 新科实业有限公司 微驱动器、减振器、磁头折片组合及其磁盘驱动单元
US7433159B2 (en) * 2005-01-27 2008-10-07 Sae Magnetics (H.K.) Ltd. Micro-actuator unit, head gimbal assembly, and disk drive unit with vibration canceller
US9034806B2 (en) 2005-12-05 2015-05-19 Schlumberger Technology Corporation Viscoelastic surfactant rheology modification
US8481462B2 (en) 2006-09-18 2013-07-09 Schlumberger Technology Corporation Oxidative internal breaker system with breaking activators for viscoelastic surfactant fluids
US7635028B2 (en) 2006-09-18 2009-12-22 Schlumberger Technology Corporation Acidic internal breaker for viscoelastic surfactant fluids in brine
US8763699B2 (en) * 2006-12-08 2014-07-01 Schlumberger Technology Corporation Heterogeneous proppant placement in a fracture with removable channelant fill
US8757259B2 (en) * 2006-12-08 2014-06-24 Schlumberger Technology Corporation Heterogeneous proppant placement in a fracture with removable channelant fill
US7581590B2 (en) 2006-12-08 2009-09-01 Schlumberger Technology Corporation Heterogeneous proppant placement in a fracture with removable channelant fill
US9085727B2 (en) 2006-12-08 2015-07-21 Schlumberger Technology Corporation Heterogeneous proppant placement in a fracture with removable extrametrical material fill
US9040468B2 (en) 2007-07-25 2015-05-26 Schlumberger Technology Corporation Hydrolyzable particle compositions, treatment fluids and methods
US10011763B2 (en) 2007-07-25 2018-07-03 Schlumberger Technology Corporation Methods to deliver fluids on a well site with variable solids concentration from solid slurries
US7893534B2 (en) * 2007-08-10 2011-02-22 Hitachi Global Storage Technologies, Netherlands, B.V. Thermally insulating bonding pad structure for solder reflow connection
US20090190254A1 (en) * 2008-01-29 2009-07-30 Seagate Technology Llc Micromachined mover
US7969674B2 (en) * 2008-10-03 2011-06-28 Seagate Technology Llc Data transfer assembly performance characteristics testing
KR20100118332A (ko) * 2009-04-28 2010-11-05 삼성전자주식회사 Ｈｓａ, 상기 ｈｓａ를 구비한 하드디스크 드라이브, 및 상기 하드디스크 드라이브의 오프트랙 저감 방법
US20120305247A1 (en) 2011-06-06 2012-12-06 Yiyan Chen Proppant pillar placement in a fracture with high solid content fluid
US8917482B2 (en) 2012-07-11 2014-12-23 HGST Netherlands B.V. Distribution of mass in vertical axis for HGA flexure mode control
US11501796B1 (en) * 2022-06-10 2022-11-15 Magnecomp Corporation Gimbal assembly geometry for hard disk drive

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JPH06208771A (ja) * 1991-09-12 1994-07-26 Internatl Business Mach Corp <Ibm> スライダ及びこのスライダを用いたデイスク記録装置
JP3303336B2 (ja) * 1992-06-17 2002-07-22 株式会社日立製作所 磁気ディスク装置
US5920978A (en) * 1995-03-01 1999-07-13 Fujitsu Limited Method of making a thin film magnetic slider
JPH1050016A (ja) * 1996-05-23 1998-02-20 Hutchinson Technol Inc 共鳴フィードバック変換器を備えたヘッド懸架装置
US5711063A (en) * 1996-06-11 1998-01-27 Seagate Technology, Inc. Method of forming a suspension fabricated from silicon
US5914801A (en) * 1996-09-27 1999-06-22 Mcnc Microelectromechanical devices including rotating plates and related methods
US6201629B1 (en) * 1997-08-27 2001-03-13 Microoptical Corporation Torsional micro-mechanical mirror system
US6535355B2 (en) * 1997-12-08 2003-03-18 Seagate Technology Llc Pitch and roll attitude control for sliders in a disk drive
US6055132A (en) * 1998-06-04 2000-04-25 Internatinal Business Machines Corporation Integrated lead suspension flexure for attaching a micro-actuator with a transducer slider
JP2002543544A (ja) * 1999-02-22 2002-12-17 シーゲイト テクノロジー エルエルシー 圧電マイクロアクチュエータの振動制御
US6597539B1 (en) * 1999-03-31 2003-07-22 Maxtor Corporation Suspension assembly for supporting a read/write head over a rotating storage disk with dynamically adjustable fly height
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US6744173B2 (en) * 2000-03-24 2004-06-01 Analog Devices, Inc. Multi-layer, self-aligned vertical combdrive electrostatic actuators and fabrication methods

Also Published As

Publication number Publication date
US7009799B2 (en) 2006-03-07
US20030002195A1 (en) 2003-01-02
ITTO20010519A1 (it) 2002-12-01

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