JP2002349550A - 動圧軸受装置及びこれを用いたディスク記録再生装置 - Google Patents

動圧軸受装置及びこれを用いたディスク記録再生装置

Info

Publication number
JP2002349550A
JP2002349550A JP2001162337A JP2001162337A JP2002349550A JP 2002349550 A JP2002349550 A JP 2002349550A JP 2001162337 A JP2001162337 A JP 2001162337A JP 2001162337 A JP2001162337 A JP 2001162337A JP 2002349550 A JP2002349550 A JP 2002349550A
Authority
JP
Japan
Prior art keywords
thrust
main shaft
disk
thrust flange
dynamic pressure
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP2001162337A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002349550A5 (https=
Inventor
Kaiji Ito
界志 伊藤
Takafumi Asada
隆文 淺田
Keigo Kusaka
圭吾 日下
Hiroaki Saito
浩昭 斎藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP2001162337A priority Critical patent/JP2002349550A/ja
Publication of JP2002349550A publication Critical patent/JP2002349550A/ja
Publication of JP2002349550A5 publication Critical patent/JP2002349550A5/ja
Pending legal-status Critical Current

Links

Landscapes

  • Motor Or Generator Frames (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Sliding-Contact Bearings (AREA)
  • Rotational Drive Of Disk (AREA)
JP2001162337A 2001-05-30 2001-05-30 動圧軸受装置及びこれを用いたディスク記録再生装置 Pending JP2002349550A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001162337A JP2002349550A (ja) 2001-05-30 2001-05-30 動圧軸受装置及びこれを用いたディスク記録再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001162337A JP2002349550A (ja) 2001-05-30 2001-05-30 動圧軸受装置及びこれを用いたディスク記録再生装置

Publications (2)

Publication Number Publication Date
JP2002349550A true JP2002349550A (ja) 2002-12-04
JP2002349550A5 JP2002349550A5 (https=) 2004-10-28

Family

ID=19005483

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001162337A Pending JP2002349550A (ja) 2001-05-30 2001-05-30 動圧軸受装置及びこれを用いたディスク記録再生装置

Country Status (1)

Country Link
JP (1) JP2002349550A (https=)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005046026A1 (en) * 2003-11-05 2005-05-19 G & W Technologies, Inc. Fluid dynamic bearing motor
KR101009182B1 (ko) 2008-12-16 2011-01-18 삼성전기주식회사 스핀들모터
JP2013072448A (ja) * 2011-09-27 2013-04-22 Taiho Kogyo Co Ltd ワッシャ
JP2013072449A (ja) * 2011-09-27 2013-04-22 Taiho Kogyo Co Ltd ワッシャ

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005046026A1 (en) * 2003-11-05 2005-05-19 G & W Technologies, Inc. Fluid dynamic bearing motor
KR101009182B1 (ko) 2008-12-16 2011-01-18 삼성전기주식회사 스핀들모터
JP2013072448A (ja) * 2011-09-27 2013-04-22 Taiho Kogyo Co Ltd ワッシャ
JP2013072449A (ja) * 2011-09-27 2013-04-22 Taiho Kogyo Co Ltd ワッシャ

Similar Documents

Publication Publication Date Title
US20030174917A1 (en) Dynamic pressure fluid bearing device
US7122922B2 (en) Base plate for spindle motor
JP2002349550A (ja) 動圧軸受装置及びこれを用いたディスク記録再生装置
KR20020039472A (ko) 광 디스크 구동용 스핀들 모터
KR100662734B1 (ko) 샤프트 고정타입의 하드디스크드라이브용 스핀들모터
JP3888552B2 (ja) 段差を介した予圧発生構造の組み合わせ型動圧軸受スピンドルモータ
JP4005826B2 (ja) 永久磁石モータ
KR100660475B1 (ko) 허브와 샤프트의 결합구조가 개선된 하드디스크드라이브용스핀들모터
KR100601799B1 (ko) 허브와 샤프트의 결합구조가 개선된 하드디스크드라이브용스핀들모터
KR100660474B1 (ko) 스러스트베어링이 튜브형상을 가지는하드디스크드라이브용 스핀들모터
JP3192671B2 (ja) ディスクファイル装置
KR100786615B1 (ko) 슬리브 및 허브의 그루브 가공구조가 개선된하드디스크드라이브용 스핀들모터
JP2536471Y2 (ja) モータ
JPH1092094A (ja) ディスク型記憶装置
KR20020006737A (ko) 스핀들 모터
KR100644744B1 (ko) 스러스트베어링이 샤프트의 중심에 위치하는하드디스크드라이브용 스핀들모터
JP2915948B2 (ja) スピンドル機構
JPH06133515A (ja) ブラシレスモータ
JP3127977B2 (ja) 薄型電動機
JP2001339899A (ja) スピンドルモータ
JP2000235757A (ja) ディスクチャッキング機構
JPH08321131A (ja) 磁気ディスク用スピンドルモータ
JP2002295455A (ja) 動圧気体軸受装置およびディスク記録再生装置
JPS621169A (ja) 回転軸の帯電防止機構
JP2001135014A (ja) スピンドルモータとそれを用いた磁気ディスク装置

Legal Events

Date Code Title Description
A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20051213

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20060530