JPS5644483B2 - - Google Patents
Info
- Publication number
- JPS5644483B2 JPS5644483B2 JP6290177A JP6290177A JPS5644483B2 JP S5644483 B2 JPS5644483 B2 JP S5644483B2 JP 6290177 A JP6290177 A JP 6290177A JP 6290177 A JP6290177 A JP 6290177A JP S5644483 B2 JPS5644483 B2 JP S5644483B2
- Authority
- JP
- Japan
- 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
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
- G11B17/022—Positioning or locking of single discs
- G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
- G11B17/032—Positioning by moving the door or the cover
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
- G11B17/022—Positioning or locking of single discs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/50—Reconditioning of record carriers; Cleaning of record carriers ; Carrying-off electrostatic charges
- G11B23/505—Reconditioning of record carriers; Cleaning of record carriers ; Carrying-off electrostatic charges of disk carriers
-
- 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
- G11B5/10—Structure or manufacture of housings or shields for heads
- G11B5/11—Shielding of head against electric or magnetic fields
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
- Y10T29/49041—Fabricating head structure or component thereof including measuring or testing with significant slider/housing shaping or treating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49048—Machining magnetic material [e.g., grinding, etching, polishing]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49055—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/698,235 US4058846A (en) | 1976-06-21 | 1976-06-21 | Grounded transducer for magnetic record disks |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS537311A JPS537311A (en) | 1978-01-23 |
| JPS5644483B2 true JPS5644483B2 (OSRAM) | 1981-10-20 |
Family
ID=24804438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6290177A Granted JPS537311A (en) | 1976-06-21 | 1977-05-31 | Magnetic head unit |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US4058846A (OSRAM) |
| JP (1) | JPS537311A (OSRAM) |
| CA (1) | CA1100629A (OSRAM) |
| DE (1) | DE2727532A1 (OSRAM) |
| FR (1) | FR2356234A1 (OSRAM) |
| GB (1) | GB1543542A (OSRAM) |
| IT (1) | IT1115327B (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1985004277A1 (fr) * | 1984-03-13 | 1985-09-26 | Olympus Optical Co., Ltd | Appareil d'enregistrement et de reproduction magnetiques |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5460908A (en) * | 1977-10-24 | 1979-05-16 | Mitsubishi Electric Corp | Both side type flexible disc apparatus |
| US4317149A (en) * | 1980-06-02 | 1982-02-23 | International Business Machines Corporation | Magnetic head having static discharge means |
| JPS6224330Y2 (OSRAM) * | 1980-11-28 | 1987-06-22 | ||
| JPS57181424A (en) * | 1981-04-30 | 1982-11-08 | Hitachi Metals Ltd | Magnetic head device |
| US4642719A (en) * | 1982-02-18 | 1987-02-10 | Hitachi Metals, Ltd. | Magnetic head assembly |
| JPS59116917A (ja) * | 1982-12-23 | 1984-07-06 | Sankyo Seiki Mfg Co Ltd | 磁気ヘツド |
| DE3482515D1 (de) * | 1983-03-22 | 1990-07-19 | Sony Corp | Zusammengesetzter magnetischer uebertragungskopf mit einem einzigen magnetpoltyp zur senkrechtaufzeichnung. |
| JPS6061910A (ja) * | 1983-09-16 | 1985-04-09 | Mitsubishi Electric Corp | 磁気ヘツド組立体 |
| US4586249A (en) * | 1983-12-30 | 1986-05-06 | Westinghouse Electric Corp. | Mandrel having an eddy current probe |
| US4731686A (en) * | 1984-03-21 | 1988-03-15 | Canon Denshi Kabushiki Kaisha | Magnetic head |
| US4593209A (en) * | 1984-05-24 | 1986-06-03 | Echlin Inc. | Read head for Wiegand Wire |
| JPS61196412A (ja) * | 1985-02-27 | 1986-08-30 | Mitsubishi Electric Corp | 磁気ヘツドとその製造方法 |
| US4926274A (en) * | 1986-12-04 | 1990-05-15 | Kabushiki Kaisha Toshiba | Magnetic head apparatus having surfaces contoured to minimize friction between a magnetic head and a magnetic disk |
| US4736122A (en) * | 1987-04-15 | 1988-04-05 | Echlin Inc. | Read head for Wiegand wire |
| US4928194A (en) * | 1988-09-30 | 1990-05-22 | Eastman Kodak Company | Anti-static support for a cartridge in a disk drive |
| US5047898A (en) * | 1989-11-13 | 1991-09-10 | International Business Machines Corporation | Deflectable contact for providing positive surface contact for shielding electromagnetic interference |
| US5142425A (en) * | 1990-08-09 | 1992-08-25 | Hewlett-Packard Company | Disk drive in which magnetic head-to-disk capacitive coupling is eliminated |
| US5600515A (en) * | 1993-06-30 | 1997-02-04 | Matsushita Electric Industrial Co., Ltd. | Sliding type magnetic head assembly having a spherical contact surface offset from a magnetic pole |
| US5735036A (en) * | 1994-12-16 | 1998-04-07 | International Business Machines Corporation | Lapping process for minimizing shorts and element recession at magnetic head air bearing surface |
| US6629357B1 (en) * | 1999-02-10 | 2003-10-07 | Read-Rite Smi Corp. | Method of magnetic head manufacture |
| JP2007310979A (ja) * | 2006-05-19 | 2007-11-29 | Fujitsu Ltd | 制御装置及び記憶装置 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3360614A (en) * | 1963-09-19 | 1967-12-26 | Minnesota Mining & Mfg | Shunted magnetic recording head |
| AT265691B (de) * | 1966-11-18 | 1968-10-25 | Philips Nv | Magnetkopf |
| JPS4826527B1 (OSRAM) * | 1969-02-13 | 1973-08-11 | ||
| FR2218611B1 (OSRAM) * | 1973-02-21 | 1976-09-10 | Cii | |
| US3846840A (en) * | 1973-08-10 | 1974-11-05 | Ibm | Read/write and longitudinal edge erase head assembly having multiple similarly shaped layers |
| US3879757A (en) * | 1974-03-01 | 1975-04-22 | Ibm | Data storage mechanism having a flexible magnetic disk |
-
1976
- 1976-06-21 US US05/698,235 patent/US4058846A/en not_active Expired - Lifetime
-
1977
- 1977-05-03 FR FR7714013A patent/FR2356234A1/fr active Granted
- 1977-05-06 GB GB19196/77A patent/GB1543542A/en not_active Expired
- 1977-05-20 CA CA278,852A patent/CA1100629A/en not_active Expired
- 1977-05-24 IT IT23901/77A patent/IT1115327B/it active
- 1977-05-31 JP JP6290177A patent/JPS537311A/ja active Granted
- 1977-06-18 DE DE19772727532 patent/DE2727532A1/de not_active Withdrawn
- 1977-08-25 US US05/827,530 patent/US4129937A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1985004277A1 (fr) * | 1984-03-13 | 1985-09-26 | Olympus Optical Co., Ltd | Appareil d'enregistrement et de reproduction magnetiques |
| EP0185764B1 (en) * | 1984-03-13 | 1992-06-03 | Olympus Optical Co., Ltd. | Magnetic recording/reproducing apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CA1100629A (en) | 1981-05-05 |
| FR2356234A1 (fr) | 1978-01-20 |
| IT1115327B (it) | 1986-02-03 |
| US4058846A (en) | 1977-11-15 |
| DE2727532A1 (de) | 1977-12-22 |
| US4129937A (en) | 1978-12-19 |
| JPS537311A (en) | 1978-01-23 |
| GB1543542A (en) | 1979-04-04 |
| FR2356234B1 (OSRAM) | 1980-06-27 |