DE69414465T2 - Magnetkopf - Google Patents
MagnetkopfInfo
- Publication number
- DE69414465T2 DE69414465T2 DE69414465T DE69414465T DE69414465T2 DE 69414465 T2 DE69414465 T2 DE 69414465T2 DE 69414465 T DE69414465 T DE 69414465T DE 69414465 T DE69414465 T DE 69414465T DE 69414465 T2 DE69414465 T2 DE 69414465T2
- Authority
- DE
- Germany
- Prior art keywords
- magnetic head
- magnetic
- head
- 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 - 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
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
- G11B5/1871—Shaping or contouring of the transducing or guiding surface
-
- 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
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
- G11B5/1875—"Composite" pole pieces, i.e. poles composed in some parts of magnetic particles and in some other parts of magnetic metal layers
- G11B5/1877—"Composite" pole pieces, i.e. poles composed in some parts of magnetic particles and in some other parts of magnetic metal layers including at least one magnetic thin film
- G11B5/1878—"Composite" pole pieces, i.e. poles composed in some parts of magnetic particles and in some other parts of magnetic metal layers including at least one magnetic thin film disposed immediately adjacent to the transducing gap, e.g. "Metal-In-Gap" structure
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/90—Magnetic feature
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/11—Magnetic recording head
- Y10T428/1171—Magnetic recording head with defined laminate structural detail
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5100940A JPH06309620A (ja) | 1993-04-27 | 1993-04-27 | 磁気ヘッド |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69414465D1 DE69414465D1 (de) | 1998-12-17 |
DE69414465T2 true DE69414465T2 (de) | 1999-04-15 |
Family
ID=14287354
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69414465T Expired - Fee Related DE69414465T2 (de) | 1993-04-27 | 1994-04-26 | Magnetkopf |
Country Status (4)
Country | Link |
---|---|
US (1) | US6150044A (de) |
EP (1) | EP0628949B1 (de) |
JP (1) | JPH06309620A (de) |
DE (1) | DE69414465T2 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007248562A (ja) * | 2006-03-14 | 2007-09-27 | Shincron:Kk | 光学物品およびその製造方法 |
US20090246952A1 (en) * | 2008-03-28 | 2009-10-01 | Tokyo Electron Limited | Method of forming a cobalt metal nitride barrier film |
CN106231501B (zh) | 2009-11-30 | 2020-07-14 | 诺基亚技术有限公司 | 用于处理音频信号的方法和装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3458926A (en) * | 1965-10-08 | 1969-08-05 | Ibm | Method of forming a glass filled gap |
US4048714A (en) * | 1975-06-12 | 1977-09-20 | Huntt Robert L | Glass bonding of manganese-zinc ferrite |
JPS5827565B2 (ja) * | 1977-09-19 | 1983-06-10 | 松下電器産業株式会社 | 磁気ヘッドおよびその製造方法 |
US4475137A (en) * | 1981-05-11 | 1984-10-02 | Sanyo Electric Co., Ltd. | Magnetic transducer |
JPS59107416A (ja) * | 1982-12-09 | 1984-06-21 | Tdk Corp | 磁気ヘツド |
JPS59146431A (ja) * | 1983-02-10 | 1984-08-22 | Matsushita Electric Ind Co Ltd | 磁気ヘツド |
JPS62219217A (ja) * | 1986-03-19 | 1987-09-26 | Hitachi Maxell Ltd | 磁気ヘツド |
JP2790451B2 (ja) * | 1987-04-10 | 1998-08-27 | 松下電器産業株式会社 | 窒素を含む軟磁性合金膜 |
JPH01276410A (ja) * | 1988-04-27 | 1989-11-07 | Seiko Epson Corp | 磁気ヘッド |
JPH0258714A (ja) * | 1988-08-23 | 1990-02-27 | Nippon Mining Co Ltd | 磁気ヘッド |
DE3934284C2 (de) * | 1988-10-13 | 1994-06-16 | Canon Denshi Kk | Magnetkopf |
US5155645A (en) * | 1989-11-14 | 1992-10-13 | Sanyo Electric Co., Ltd. | Magnetic head with improved efficiency in both high and low frequency ranges |
-
1993
- 1993-04-27 JP JP5100940A patent/JPH06309620A/ja active Pending
-
1994
- 1994-04-26 DE DE69414465T patent/DE69414465T2/de not_active Expired - Fee Related
- 1994-04-26 US US08/233,259 patent/US6150044A/en not_active Expired - Fee Related
- 1994-04-26 EP EP94106451A patent/EP0628949B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH06309620A (ja) | 1994-11-04 |
EP0628949A1 (de) | 1994-12-14 |
EP0628949B1 (de) | 1998-11-11 |
DE69414465D1 (de) | 1998-12-17 |
US6150044A (en) | 2000-11-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |