FR2580111B1 - - Google Patents
Info
- Publication number
- FR2580111B1 FR2580111B1 FR868604712A FR8604712A FR2580111B1 FR 2580111 B1 FR2580111 B1 FR 2580111B1 FR 868604712 A FR868604712 A FR 868604712A FR 8604712 A FR8604712 A FR 8604712A FR 2580111 B1 FR2580111 B1 FR 2580111B1
- Authority
- FR
- France
- 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 - Fee Related
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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3103—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
- H02P25/022—Synchronous motors
- H02P25/024—Synchronous motors controlled by supply frequency
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985048668U JPH0450562Y2 (fr) | 1985-04-03 | 1985-04-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2580111A1 FR2580111A1 (fr) | 1986-10-10 |
| FR2580111B1 true FR2580111B1 (fr) | 1990-01-12 |
Family
ID=12809704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR868604712A Expired - Fee Related FR2580111B1 (fr) | 1985-04-03 | 1986-04-02 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4797765A (fr) |
| JP (1) | JPH0450562Y2 (fr) |
| DE (1) | DE3610998A1 (fr) |
| FR (1) | FR2580111B1 (fr) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03245312A (ja) * | 1990-02-22 | 1991-10-31 | Tdk Corp | 薄膜磁気ヘッド |
| US5184394A (en) * | 1990-04-26 | 1993-02-09 | Seagate Technology, Inc. | Method of making a thin film head on ferrite substrate with inclined top pole |
| US5130877A (en) * | 1990-04-26 | 1992-07-14 | Seagate Technology, Inc. | Thin film head on ferrite substrate with inclined top pole |
| US5170303A (en) * | 1990-04-30 | 1992-12-08 | Seagate Technology Inc. | Inductive thin film head having improved readback characteristics |
| JP2971538B2 (ja) * | 1990-07-30 | 1999-11-08 | 松下電器産業株式会社 | 薄膜磁気ヘッド |
| US5134535A (en) * | 1991-01-18 | 1992-07-28 | Digital Equipment Corporation | Architecture for a thin-film magnetic recording head |
| US5142768A (en) * | 1991-05-02 | 1992-09-01 | International Business Machines Corporation | Method for making magnetic head with enhanced poletip |
| JPH04344311A (ja) * | 1991-05-21 | 1992-11-30 | Ngk Insulators Ltd | 薄膜磁気回路基板及びそれを用いた磁気ヘッド |
| US6166880A (en) * | 1991-08-13 | 2000-12-26 | Tdk Corporation | Thin film magnetic head which prevents errors due to electric discharge |
| US5301077A (en) * | 1992-06-26 | 1994-04-05 | Tdk Corporation | Thin film magnetic head |
| JP3420896B2 (ja) * | 1996-09-10 | 2003-06-30 | アルプス電気株式会社 | 薄膜磁気ヘッドおよびその製造方法 |
| US5872684A (en) * | 1997-05-15 | 1999-02-16 | International Business Machines Corporation | Air bearing slider having a relieved trailing edge |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2191186B1 (fr) * | 1972-07-03 | 1976-01-16 | Inf Ci Interna Fr | |
| JPS54116663A (en) * | 1978-03-03 | 1979-09-11 | Matsushita Electric Ind Co Ltd | Magnetic device |
| US4404608A (en) * | 1980-02-04 | 1983-09-13 | Sanyo Electric Co., Ltd. | Magnetic head with an improved inner core |
| US4370802A (en) * | 1980-08-25 | 1983-02-01 | Applied Magnetics Corporation | Method of making a thin film magnetic head assembly with multiconductive connecting elements |
| JPS5958613A (ja) * | 1982-09-29 | 1984-04-04 | Hitachi Ltd | 薄膜磁気ヘツドの保護基板の接合方法 |
| JPS5990218A (ja) * | 1982-11-15 | 1984-05-24 | Hitachi Ltd | 薄膜磁気ヘツド |
| JPS59227014A (ja) * | 1983-06-07 | 1984-12-20 | Sony Corp | 磁気ヘツド |
| US4546541A (en) * | 1983-10-14 | 1985-10-15 | Applied Magnetics Corporation | Method of attaching electrical conductors to thin film magnetic transducer |
-
1985
- 1985-04-03 JP JP1985048668U patent/JPH0450562Y2/ja not_active Expired
-
1986
- 1986-04-02 FR FR868604712A patent/FR2580111B1/fr not_active Expired - Fee Related
- 1986-04-02 DE DE19863610998 patent/DE3610998A1/de not_active Ceased
-
1988
- 1988-04-14 US US07/183,542 patent/US4797765A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61167012U (fr) | 1986-10-16 |
| DE3610998A1 (de) | 1986-10-16 |
| US4797765A (en) | 1989-01-10 |
| JPH0450562Y2 (fr) | 1992-11-30 |
| FR2580111A1 (fr) | 1986-10-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |