JPS5625222A - Magnetic head and its manufacture - Google Patents

Magnetic head and its manufacture

Info

Publication number
JPS5625222A
JPS5625222A JP9805579A JP9805579A JPS5625222A JP S5625222 A JPS5625222 A JP S5625222A JP 9805579 A JP9805579 A JP 9805579A JP 9805579 A JP9805579 A JP 9805579A JP S5625222 A JPS5625222 A JP S5625222A
Authority
JP
Japan
Prior art keywords
single crystal
ferrite
polycrystal
magnetic head
seed
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.)
Granted
Application number
JP9805579A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6249647B2 (zh
Inventor
Motoichiro Matsuzawa
Shunzo Mase
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NGK Insulators Ltd
Original Assignee
NGK Insulators Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NGK Insulators Ltd filed Critical NGK Insulators Ltd
Priority to JP9805579A priority Critical patent/JPS5625222A/ja
Priority to US06/151,605 priority patent/US4402787A/en
Priority to DE3020692A priority patent/DE3020692C2/de
Priority to NL8003163A priority patent/NL8003163A/nl
Priority to FR8012093A priority patent/FR2457913B1/fr
Priority to GB8018017A priority patent/GB2054405B/en
Publication of JPS5625222A publication Critical patent/JPS5625222A/ja
Priority to US06/443,030 priority patent/US4519870A/en
Publication of JPS6249647B2 publication Critical patent/JPS6249647B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B1/00—Single-crystal growth directly from the solid state
    • C30B1/02—Single-crystal growth directly from the solid state by thermal treatment, e.g. strain annealing
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10—Inorganic compounds or compositions
    • C30B29/16—Oxides
    • C30B29/22—Complex oxides
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10—Inorganic compounds or compositions
    • C30B29/16—Oxides
    • C30B29/22—Complex oxides
    • C30B29/26—Complex oxides with formula BMe2O4, wherein B is Mg, Ni, Co, Al, Zn, or Cd and Me is Fe, Ga, Sc, Cr, Co, or Al

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Magnetic Heads (AREA)
JP9805579A 1979-05-31 1979-08-02 Magnetic head and its manufacture Granted JPS5625222A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP9805579A JPS5625222A (en) 1979-08-02 1979-08-02 Magnetic head and its manufacture
US06/151,605 US4402787A (en) 1979-05-31 1980-05-20 Method for producing a single crystal
DE3020692A DE3020692C2 (de) 1979-05-31 1980-05-30 Verfahren zur Herstellung von Einkristallen
NL8003163A NL8003163A (nl) 1979-05-31 1980-05-30 Werkwijze ter vervaardiging van een eenkristal.
FR8012093A FR2457913B1 (fr) 1979-05-31 1980-05-30 Procede de fabrication de monocristaux, en particulier de ferrite, et tetes magnetiques comportant des monocristaux de ferrite ainsi fabriques
GB8018017A GB2054405B (en) 1979-05-31 1980-06-02 Method for producing a single crystal
US06/443,030 US4519870A (en) 1979-05-31 1982-11-19 Method for producing a single crystal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9805579A JPS5625222A (en) 1979-08-02 1979-08-02 Magnetic head and its manufacture

Publications (2)

Publication Number Publication Date
JPS5625222A true JPS5625222A (en) 1981-03-11
JPS6249647B2 JPS6249647B2 (zh) 1987-10-20

Family

ID=14209571

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9805579A Granted JPS5625222A (en) 1979-05-31 1979-08-02 Magnetic head and its manufacture

Country Status (1)

Country Link
JP (1) JPS5625222A (zh)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57205817A (en) * 1981-06-12 1982-12-17 Sony Corp Joining method of ferrite
JPS60138710A (ja) * 1983-12-27 1985-07-23 Ngk Insulators Ltd 磁気ヘツド用コア及びその製造方法
JPS60138708A (ja) * 1983-12-27 1985-07-23 Ngk Insulators Ltd 磁気ヘッド用コアの製造法
JPS61117706A (ja) * 1984-11-12 1986-06-05 Fujitsu Ltd 磁気ヘツドの製造方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50139709A (zh) * 1974-04-25 1975-11-08
JPS51112800A (en) * 1975-03-31 1976-10-05 Hideo Tamura Synthesis of single crystal of ferrite

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50139709A (zh) * 1974-04-25 1975-11-08
JPS51112800A (en) * 1975-03-31 1976-10-05 Hideo Tamura Synthesis of single crystal of ferrite

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57205817A (en) * 1981-06-12 1982-12-17 Sony Corp Joining method of ferrite
JPS60138710A (ja) * 1983-12-27 1985-07-23 Ngk Insulators Ltd 磁気ヘツド用コア及びその製造方法
JPS60138708A (ja) * 1983-12-27 1985-07-23 Ngk Insulators Ltd 磁気ヘッド用コアの製造法
US4841400A (en) * 1983-12-27 1989-06-20 Ngk Insulators, Ltd. Magnetic head core comprising a monocrystaline ferrite
JPH0355884B2 (zh) * 1983-12-27 1991-08-26
JPS61117706A (ja) * 1984-11-12 1986-06-05 Fujitsu Ltd 磁気ヘツドの製造方法
JPH0546602B2 (zh) * 1984-11-12 1993-07-14 Fujitsu Ltd

Also Published As

Publication number Publication date
JPS6249647B2 (zh) 1987-10-20

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