DE3688646T2 - Magnetkopf aus einer amorphen magnetischen Legierung und Verfahren zu dessen Herstellung. - Google Patents
Magnetkopf aus einer amorphen magnetischen Legierung und Verfahren zu dessen Herstellung.Info
- Publication number
- DE3688646T2 DE3688646T2 DE86307894T DE3688646T DE3688646T2 DE 3688646 T2 DE3688646 T2 DE 3688646T2 DE 86307894 T DE86307894 T DE 86307894T DE 3688646 T DE3688646 T DE 3688646T DE 3688646 T2 DE3688646 T2 DE 3688646T2
- Authority
- DE
- Germany
- Prior art keywords
- manufacturing
- same
- magnetic head
- amorphous
- magnetic alloy
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C45/00—Amorphous alloys
- C22C45/04—Amorphous alloys with nickel or cobalt as the major constituent
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/24—Fusion seal compositions being frit compositions having non-frit additions, i.e. for use as seals between dissimilar materials, e.g. glass and metal; Glass solders
-
- 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
-
- 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
- G11B5/105—Mounting of head within housing or assembling of head and housing
-
- 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
- G11B5/1272—Assembling or shaping of elements
-
- 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
- G11B5/147—Structure or manufacture of heads, e.g. inductive with cores being composed of metal sheets, i.e. laminated cores with cores composed of isolated magnetic layers, e.g. sheets
-
- 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
- G11B5/147—Structure or manufacture of heads, e.g. inductive with cores being composed of metal sheets, i.e. laminated cores with cores composed of isolated magnetic layers, e.g. sheets
- G11B5/1475—Assembling or shaping of elements
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Magnetic Heads (AREA)
- Glass Compositions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60226786A JPS6288109A (ja) | 1985-10-14 | 1985-10-14 | アモルフアス磁性合金磁気ヘツドおよびその製法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3688646D1 DE3688646D1 (de) | 1993-08-05 |
DE3688646T2 true DE3688646T2 (de) | 1993-10-07 |
Family
ID=16850590
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE86307894T Expired - Fee Related DE3688646T2 (de) | 1985-10-14 | 1986-10-13 | Magnetkopf aus einer amorphen magnetischen Legierung und Verfahren zu dessen Herstellung. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4794483A (de) |
EP (1) | EP0221697B1 (de) |
JP (1) | JPS6288109A (de) |
DE (1) | DE3688646T2 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61233405A (ja) * | 1985-04-08 | 1986-10-17 | Matsushita Electric Ind Co Ltd | 磁気ヘツド |
US5245488A (en) * | 1986-08-13 | 1993-09-14 | Seiko Epson Corporation | Low-noise composite magnetic head for recording and producing |
JPH0827898B2 (ja) * | 1988-03-29 | 1996-03-21 | 日立金属株式会社 | 浮上型複合磁気ヘッド及びその磁気コア |
JPH0775053B2 (ja) * | 1988-08-03 | 1995-08-09 | 松下電器産業株式会社 | 磁気ヘッド及びその製造方法 |
US5170301A (en) * | 1988-08-03 | 1992-12-08 | Matsushita Electric Industrial Co., Ltd. | Magnetic head having core parts joined by low-melting point crystallized glass with composite gap |
JPH0686309B2 (ja) * | 1989-02-23 | 1994-11-02 | 株式会社日立製作所 | 磁気ヘッド並びにその製造方法及び磁気記録再生装置 |
US5022140A (en) * | 1989-03-10 | 1991-06-11 | Kabushiki Kaisha Toshiba | Method of manufacturing magnetic head |
US5211734A (en) * | 1989-03-31 | 1993-05-18 | Tdk Corporation | Method for making a magnetic head having surface-reinforced glass |
US5055957A (en) * | 1989-06-19 | 1991-10-08 | International Business Machines Corporation | Method of making low wear glass for magnetic heads |
US5015992A (en) * | 1989-06-29 | 1991-05-14 | Pitney Bowes Inc. | Cobalt-niobium amorphous ferromagnetic alloys |
JPH07112934B2 (ja) * | 1990-09-26 | 1995-12-06 | 株式会社日立製作所 | 磁気ヘツド並びにその接合ガラス及び磁気記録再生装置 |
JP2674390B2 (ja) * | 1991-10-23 | 1997-11-12 | 株式会社日立製作所 | 磁気ヘッド、及び対向した部材がガラスで接合された物品 |
KR100385126B1 (ko) * | 1994-10-31 | 2003-08-09 | 소니 가부시끼 가이샤 | 자기헤드 |
JPH10105915A (ja) * | 1996-09-26 | 1998-04-24 | Hitachi Ltd | ガラス封着体及びその製造方法 |
US6376399B1 (en) | 2000-01-24 | 2002-04-23 | Corning Incorporated | Tungstate, molybdate, vanadate base glasses |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL6601167A (de) * | 1966-01-29 | 1967-07-31 | ||
JPS5269917A (en) * | 1975-12-09 | 1977-06-10 | Hoya Glass Works Ltd | Sealing glass for glass laser |
JPS5438311A (en) * | 1977-08-31 | 1979-03-22 | Hoya Glass Works Ltd | Low temperature melting coating glass capable of highly absorbing laser |
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 |
SU781917A1 (ru) * | 1979-01-29 | 1980-11-23 | Предприятие П/Я А-3103 | Способ изготовлени блока магнитных головок |
US4342943A (en) * | 1979-10-17 | 1982-08-03 | Owens-Illinois, Inc. | P2 O5 -V2 O5 -PbO glass which reduces arcing in funnel portion of CRT |
JPS59146431A (ja) * | 1983-02-10 | 1984-08-22 | Matsushita Electric Ind Co Ltd | 磁気ヘツド |
EP0138580B1 (de) * | 1983-10-12 | 1990-04-25 | Matsushita Electric Industrial Co., Ltd. | Aufnahmemagnetkopf aus Legierung |
JPH0622047B2 (ja) * | 1984-02-15 | 1994-03-23 | 株式会社日立製作所 | 磁気ヘツド |
FR2576702A1 (fr) * | 1985-01-30 | 1986-08-01 | Pioneer Electronic Corp | Tete magnetique et son procede de production |
JPS61214110A (ja) * | 1985-03-20 | 1986-09-24 | Hitachi Maxell Ltd | 磁気ヘツド |
JPS615406A (ja) * | 1985-05-30 | 1986-01-11 | Hitachi Ltd | 複合型磁気ヘツド |
-
1985
- 1985-10-14 JP JP60226786A patent/JPS6288109A/ja active Granted
-
1986
- 1986-10-13 EP EP86307894A patent/EP0221697B1/de not_active Expired - Lifetime
- 1986-10-13 DE DE86307894T patent/DE3688646T2/de not_active Expired - Fee Related
- 1986-10-14 US US06/918,339 patent/US4794483A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0221697B1 (de) | 1993-06-30 |
JPH0462408B2 (de) | 1992-10-06 |
DE3688646D1 (de) | 1993-08-05 |
US4794483A (en) | 1988-12-27 |
EP0221697A2 (de) | 1987-05-13 |
EP0221697A3 (en) | 1988-06-08 |
JPS6288109A (ja) | 1987-04-22 |
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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 |