NL9100192A - Magneetkop. - Google Patents
Magneetkop. Download PDFInfo
- Publication number
- NL9100192A NL9100192A NL9100192A NL9100192A NL9100192A NL 9100192 A NL9100192 A NL 9100192A NL 9100192 A NL9100192 A NL 9100192A NL 9100192 A NL9100192 A NL 9100192A NL 9100192 A NL9100192 A NL 9100192A
- Authority
- NL
- Netherlands
- Prior art keywords
- layer
- metallic material
- magnetic
- magnetic head
- coating
- Prior art date
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
- G11B5/23—Gap features
- G11B5/232—Manufacture of gap
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL9100192A NL9100192A (nl) | 1991-02-04 | 1991-02-04 | Magneetkop. |
US07/688,016 US5210668A (en) | 1991-02-04 | 1991-04-19 | Magnetic head having soft-magnetic material cladded core limb faces |
DE59205886T DE59205886D1 (de) | 1991-02-04 | 1992-01-29 | Magnetkopf |
EP92200249A EP0498493B1 (fr) | 1991-02-04 | 1992-01-29 | Tête magnétique |
JP4017645A JPH0573829A (ja) | 1991-02-04 | 1992-02-03 | 磁気ヘツド |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL9100192A NL9100192A (nl) | 1991-02-04 | 1991-02-04 | Magneetkop. |
NL9100192 | 1991-02-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL9100192A true NL9100192A (nl) | 1992-09-01 |
Family
ID=19858824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL9100192A NL9100192A (nl) | 1991-02-04 | 1991-02-04 | Magneetkop. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5210668A (fr) |
EP (1) | EP0498493B1 (fr) |
JP (1) | JPH0573829A (fr) |
DE (1) | DE59205886D1 (fr) |
NL (1) | NL9100192A (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2933491B2 (ja) * | 1993-10-04 | 1999-08-16 | 松下電器産業株式会社 | 磁気ヘッドの製造方法 |
JP3707166B2 (ja) * | 1996-01-29 | 2005-10-19 | ソニー株式会社 | 磁気ヘッド |
US5978186A (en) * | 1996-03-14 | 1999-11-02 | Matsushita Electric Industrial Co., Ltd. | Magnetic head and reproducing apparatus with head having central core with winding thereabout and wire therethrough |
DE10057847A1 (de) * | 2000-11-22 | 2002-05-29 | Fujitsu Siemens Computers Gmbh | Kommunikationseinheit |
US7525760B2 (en) * | 2005-04-11 | 2009-04-28 | Hitachi Global Storage Technologies B.V. | Laminated write gap to improve writer performance |
US7500302B2 (en) * | 2005-04-11 | 2009-03-10 | Hitachi Global Storage Technologies, Netherlands B.V. | Process for fabricating a magnetic recording head with a laminated write gap |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5345221A (en) * | 1976-10-05 | 1978-04-22 | Pioneer Electronic Corp | Magnetic head |
DE3769301D1 (de) * | 1986-12-03 | 1991-05-16 | Philips Nv | Magnetkopf mit einem elektro-chemisch inerten spalt aus hartem material. |
US4780779A (en) * | 1987-11-19 | 1988-10-25 | Ampex Corporation | Laminated sendust metal-in-gap video head |
JPH0258714A (ja) * | 1988-08-23 | 1990-02-27 | Nippon Mining Co Ltd | 磁気ヘッド |
US4942658A (en) * | 1988-11-30 | 1990-07-24 | Magnetic Peripherals Inc. | Method for manufacturing a magnetic head core with a flux gap having a precisely controlled length |
US5001589A (en) * | 1989-05-31 | 1991-03-19 | Seagate Technology, Inc. | Tungsten and tantalum diffusion barriers for Metal-In-Gap magnetic heads |
-
1991
- 1991-02-04 NL NL9100192A patent/NL9100192A/nl not_active Application Discontinuation
- 1991-04-19 US US07/688,016 patent/US5210668A/en not_active Expired - Fee Related
-
1992
- 1992-01-29 EP EP92200249A patent/EP0498493B1/fr not_active Expired - Lifetime
- 1992-01-29 DE DE59205886T patent/DE59205886D1/de not_active Expired - Fee Related
- 1992-02-03 JP JP4017645A patent/JPH0573829A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0498493A1 (fr) | 1992-08-12 |
US5210668A (en) | 1993-05-11 |
EP0498493B1 (fr) | 1996-04-03 |
DE59205886D1 (de) | 1996-05-09 |
JPH0573829A (ja) | 1993-03-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1B | A search report has been drawn up | ||
BV | The patent application has lapsed |