BE662734A - - Google Patents

Info

Publication number
BE662734A
BE662734A BE662734A BE662734A BE662734A BE 662734 A BE662734 A BE 662734A BE 662734 A BE662734 A BE 662734A BE 662734 A BE662734 A BE 662734A BE 662734 A BE662734 A BE 662734A
Authority
BE
Belgium
Application number
BE662734A
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
Priority to NL646404372A priority Critical patent/NL148025B/xx
Priority to US446828A priority patent/US3376397A/en
Priority to JP40022901A priority patent/JPS5220845B1/ja
Application filed filed Critical
Priority to DE1474421A priority patent/DE1474421C3/de
Priority to SE05109/65A priority patent/SE329932B/xx
Priority to CH541265A priority patent/CH475627A/de
Priority to GB16527/65A priority patent/GB1100803A/en
Priority to BE662734A priority patent/BE662734A/xx
Priority to FR14176A priority patent/FR1433705A/fr
Publication of BE662734A publication Critical patent/BE662734A/xx

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
    • G11B5/235—Selection of material for gap filler
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
    • C04B35/462—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates
    • C04B35/465—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates
    • C04B35/468—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates
    • C04B35/4686—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates based on phases other than BaTiO3 perovskite phase
    • 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
    • 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
    • G11B5/193—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features the pole pieces being ferrite or other magnetic particles

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Magnetic Heads (AREA)
  • Hard Magnetic Materials (AREA)
  • Soft Magnetic Materials (AREA)
BE662734A 1964-04-22 1965-04-20 BE662734A (de)

Priority Applications (9)

Application Number Priority Date Filing Date Title
NL646404372A NL148025B (nl) 1964-04-22 1964-04-22 Poolschoeneenheid voor een magnegrafoonkop voorzien van een lichaam bestaande uit gesinterd oxydisch ferromagnetisch materiaal dat verbonden is met een lichaam bestaande uit niet-magnetiseerbaar materiaal, alsmede magnegrafoonkop die een dergelijke poolschoeneenheid bevat.
US446828A US3376397A (en) 1964-04-22 1965-04-09 Pole piece for magnetic recording head
JP40022901A JPS5220845B1 (de) 1964-04-22 1965-04-19
DE1474421A DE1474421C3 (de) 1964-04-22 1965-04-20 Magnetkopf mit einem Polschuhhalter aus gesintertem, nicht magnetischem, elektrisch nicht leitenden Material
SE05109/65A SE329932B (de) 1964-04-22 1965-04-20
CH541265A CH475627A (de) 1964-04-22 1965-04-20 Vorrichtung mit einem Körper aus gesintertem, oxydischem ferromagnetischem Material, der mit einem aus nichtmagnetisierbarem Material bestehenden Körper verbunden ist
GB16527/65A GB1100803A (en) 1964-04-22 1965-04-20 Improvements relating to ferromagnetic ceramic assemblies
BE662734A BE662734A (de) 1964-04-22 1965-04-20
FR14176A FR1433705A (fr) 1964-04-22 1965-04-22 Dispositif muni d'un corps fritté en une matière ferromagnétique à base d'oxydes, uni à un corps en une matière non magnétique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL646404372A NL148025B (nl) 1964-04-22 1964-04-22 Poolschoeneenheid voor een magnegrafoonkop voorzien van een lichaam bestaande uit gesinterd oxydisch ferromagnetisch materiaal dat verbonden is met een lichaam bestaande uit niet-magnetiseerbaar materiaal, alsmede magnegrafoonkop die een dergelijke poolschoeneenheid bevat.
BE662734A BE662734A (de) 1964-04-22 1965-04-20

Publications (1)

Publication Number Publication Date
BE662734A true BE662734A (de) 1965-10-20

Family

ID=25656190

Family Applications (1)

Application Number Title Priority Date Filing Date
BE662734A BE662734A (de) 1964-04-22 1965-04-20

Country Status (8)

Country Link
US (1) US3376397A (de)
JP (1) JPS5220845B1 (de)
BE (1) BE662734A (de)
CH (1) CH475627A (de)
DE (1) DE1474421C3 (de)
GB (1) GB1100803A (de)
NL (1) NL148025B (de)
SE (1) SE329932B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3514768A (en) * 1965-10-23 1970-05-26 Honeywell Inc Multitransducer package
GB1227704A (de) * 1968-03-15 1971-04-07
US4443825A (en) * 1981-12-30 1984-04-17 North American Philips Corporation Magnetic head pole piece mount of TiO2 -CaO
US5290740A (en) * 1991-11-06 1994-03-01 Ngk Insulators, Ltd. Dielectric ceramic composition used for producing dielectric resonator or filter for microwave application

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3292062A (en) * 1964-06-01 1966-12-13 Bell Telephone Labor Inc Method for preparing stabilized barium titanate, and capacitor

Also Published As

Publication number Publication date
GB1100803A (en) 1968-01-24
DE1474421A1 (de) 1969-10-02
CH475627A (de) 1969-07-15
NL148025B (nl) 1975-12-15
JPS5220845B1 (de) 1977-06-07
DE1474421C3 (de) 1975-12-18
DE1474421B2 (de) 1975-04-10
US3376397A (en) 1968-04-02
NL6404372A (de) 1965-10-25
SE329932B (de) 1970-10-26

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