JP2005061486A5 - - Google Patents
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- Publication number
- JP2005061486A5 JP2005061486A5 JP2003290806A JP2003290806A JP2005061486A5 JP 2005061486 A5 JP2005061486 A5 JP 2005061486A5 JP 2003290806 A JP2003290806 A JP 2003290806A JP 2003290806 A JP2003290806 A JP 2003290806A JP 2005061486 A5 JP2005061486 A5 JP 2005061486A5
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- manufacturing
- metal core
- dynamic pressure
- resin layer
- 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.)
- Granted
Links
- 239000011347 resin Substances 0.000 claims 17
- 229920005989 resin Polymers 0.000 claims 17
- 238000004519 manufacturing process Methods 0.000 claims 11
- 239000011162 core material Substances 0.000 claims 9
- 239000002184 metal Substances 0.000 claims 9
- 238000001746 injection moulding Methods 0.000 claims 6
- 238000000034 method Methods 0.000 claims 6
- 239000012530 fluid Substances 0.000 claims 5
- 230000002093 peripheral effect Effects 0.000 claims 5
- 230000007423 decrease Effects 0.000 claims 4
- 239000004734 Polyphenylene sulfide Substances 0.000 claims 2
- 238000000465 moulding Methods 0.000 claims 2
- 230000000149 penetrating effect Effects 0.000 claims 2
- 229920000069 polyphenylene sulfide Polymers 0.000 claims 2
- 239000004593 Epoxy Substances 0.000 claims 1
- 239000004642 Polyimide Substances 0.000 claims 1
- OOJYPCDXFPWXFL-UHFFFAOYSA-N [C].OC1=CC=CC=C1 Chemical compound [C].OC1=CC=CC=C1 OOJYPCDXFPWXFL-UHFFFAOYSA-N 0.000 claims 1
- 230000003247 decreasing effect Effects 0.000 claims 1
- 239000000945 filler Substances 0.000 claims 1
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 239000004973 liquid crystal related substance Substances 0.000 claims 1
- 230000001050 lubricating effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 229920000728 polyester Polymers 0.000 claims 1
- 229920001721 polyimide Polymers 0.000 claims 1
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003290806A JP4302462B2 (ja) | 2003-08-08 | 2003-08-08 | 動圧軸受装置およびその製造方法、ならびに記録ディスク駆動装置 |
| US11/276,685 US20060147133A1 (en) | 2003-08-08 | 2006-03-10 | Fluid Dynamic Bearing, Spindle Motor, Recording Disk Driving Device, and Method of Manufacturing Fluid Dynamic Bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003290806A JP4302462B2 (ja) | 2003-08-08 | 2003-08-08 | 動圧軸受装置およびその製造方法、ならびに記録ディスク駆動装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2005061486A JP2005061486A (ja) | 2005-03-10 |
| JP2005061486A5 true JP2005061486A5 (https=) | 2006-06-15 |
| JP4302462B2 JP4302462B2 (ja) | 2009-07-29 |
Family
ID=34368716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003290806A Expired - Fee Related JP4302462B2 (ja) | 2003-08-08 | 2003-08-08 | 動圧軸受装置およびその製造方法、ならびに記録ディスク駆動装置 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20060147133A1 (https=) |
| JP (1) | JP4302462B2 (https=) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7692892B2 (en) * | 2006-07-19 | 2010-04-06 | Seagate Technology Llc | Two-material base for a data storage system |
| WO2008032555A1 (en) * | 2006-09-12 | 2008-03-20 | Ntn Corporation | Hydrodynamic bearing device |
| US8773816B1 (en) * | 2013-03-13 | 2014-07-08 | Nidec Corporation | Spindle motor with hydrodynamic bearing structure having capillary seal and disk drive apparatus including same |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4043644B2 (ja) * | 1999-05-06 | 2008-02-06 | 日本電産株式会社 | 動圧軸受装置の製造方法 |
| US6686674B2 (en) * | 2000-12-04 | 2004-02-03 | Kura Laboratory Corporation | Motor having single cone fluid dynamic bearing balanced with magnetic attraction |
| JP2003035311A (ja) * | 2001-07-23 | 2003-02-07 | Yoshikazu Ichiyama | 軸端で磁気吸引力と平衡させた単円錐動圧気体軸受を有するモータ |
| JP3631988B2 (ja) * | 2001-07-24 | 2005-03-23 | 義和 市山 | 軸端の磁気吸引力と平衡させた単円錐動圧流体軸受を有するモータ |
-
2003
- 2003-08-08 JP JP2003290806A patent/JP4302462B2/ja not_active Expired - Fee Related
-
2006
- 2006-03-10 US US11/276,685 patent/US20060147133A1/en not_active Abandoned
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