JPS6122390B2 - - Google Patents
Info
- Publication number
- JPS6122390B2 JPS6122390B2 JP56181230A JP18123081A JPS6122390B2 JP S6122390 B2 JPS6122390 B2 JP S6122390B2 JP 56181230 A JP56181230 A JP 56181230A JP 18123081 A JP18123081 A JP 18123081A JP S6122390 B2 JPS6122390 B2 JP S6122390B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- disk
- stator
- magnet
- magnets
- 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.)
- Expired
Links
- 230000004907 flux Effects 0.000 claims description 52
- 239000000696 magnetic material Substances 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 56
- 229910052742 iron Inorganic materials 0.000 description 28
- 238000010586 diagram Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
- H02K41/031—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Moving Of Heads (AREA)
- Linear Motors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/221,866 US4396966A (en) | 1980-12-31 | 1980-12-31 | Low mass actuator system for magnetic recording disks with half strength end poles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57113465A JPS57113465A (en) | 1982-07-14 |
| JPS6122390B2 true JPS6122390B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-05-31 |
Family
ID=22829729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56181230A Granted JPS57113465A (en) | 1980-12-31 | 1981-11-13 | Magnetic recording disk-file |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4396966A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
| JP (1) | JPS57113465A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4620253A (en) * | 1980-12-31 | 1986-10-28 | International Business Machines Corporation | Low mass actuator system for magnetic recording disk |
| US4506307A (en) * | 1981-11-10 | 1985-03-19 | Ibm | Magnetic head slider and actuator assembly |
| US4450493A (en) * | 1981-11-10 | 1984-05-22 | International Business Machines Corporation | Magnetic head slider and actuator assembly |
| JP2672493B2 (ja) * | 1985-12-24 | 1997-11-05 | オムロン株式会社 | 磁気情報処理装置 |
| KR900005760B1 (ko) * | 1986-02-19 | 1990-08-09 | 가부시기가이샤 히다찌 세이사꾸쇼 | 가동코일형 리니어 모터 |
| US5070423A (en) * | 1986-03-06 | 1991-12-03 | Unisys Corp. | High-performance actuator array for disk drive with unitary actuator guide means |
| JPS62277667A (ja) * | 1986-05-27 | 1987-12-02 | Mitsubishi Electric Corp | キヤリツジ組立体 |
| DE3808510C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1988-03-15 | 1989-02-02 | Philips Patentverwaltung Gmbh, 2000 Hamburg, De | |
| JPH0635659Y2 (ja) * | 1988-04-20 | 1994-09-14 | 旭化成工業株式会社 | 可動磁石形リニア直流モータ |
| US5148340A (en) * | 1990-04-18 | 1992-09-15 | International Business Machines Corporation | Bifurcated air bearing actuator assembly for a disk drive system |
| JPH06178523A (ja) * | 1992-12-03 | 1994-06-24 | Fujitsu Ltd | ボイスコイルモータの磁気回路 |
| EP1968175A3 (en) * | 2007-03-08 | 2015-10-28 | Sanyo Denki Co., Ltd. | Linear motor with reduced cogging |
| JP5035552B2 (ja) * | 2007-03-20 | 2012-09-26 | 信越化学工業株式会社 | ボイスコイルモータ用磁気回路及びボイスコイルモータ |
| US20220319544A1 (en) * | 2021-04-06 | 2022-10-06 | Seagate Technology Llc | Data storage device linear actuator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2846599A1 (de) * | 1978-10-26 | 1980-04-30 | Basf Ag | Vorrichtung zum positionieren von gegenstaenden geringer masse |
| US4314295A (en) * | 1979-10-18 | 1982-02-02 | Burroughs Corporation | Linear actuator with staggered flat coils |
-
1980
- 1980-12-31 US US06/221,866 patent/US4396966A/en not_active Expired - Fee Related
-
1981
- 1981-11-13 JP JP56181230A patent/JPS57113465A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57113465A (en) | 1982-07-14 |
| US4396966A (en) | 1983-08-02 |
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