CH475627A - Vorrichtung mit einem Körper aus gesintertem, oxydischem ferromagnetischem Material, der mit einem aus nichtmagnetisierbarem Material bestehenden Körper verbunden ist - Google Patents

Vorrichtung mit einem Körper aus gesintertem, oxydischem ferromagnetischem Material, der mit einem aus nichtmagnetisierbarem Material bestehenden Körper verbunden ist

Info

Publication number
CH475627A
CH475627A CH541265A CH541265A CH475627A CH 475627 A CH475627 A CH 475627A CH 541265 A CH541265 A CH 541265A CH 541265 A CH541265 A CH 541265A CH 475627 A CH475627 A CH 475627A
Authority
CH
Switzerland
Prior art keywords
body made
sintered
ferromagnetic material
oxidic ferromagnetic
magnetizable material
Prior art date
Application number
CH541265A
Other languages
English (en)
Inventor
Noorlander Willem
Bertus Thijssen Jan
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH475627A publication Critical patent/CH475627A/de

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)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (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)
CH541265A 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 CH475627A (de)

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
CH475627A true CH475627A (de) 1969-07-15

Family

ID=25656190

Family Applications (1)

Application Number Title Priority Date Filing Date
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

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
NL148025B (nl) 1975-12-15
GB1100803A (en) 1968-01-24
US3376397A (en) 1968-04-02
NL6404372A (de) 1965-10-25
BE662734A (de) 1965-10-20
SE329932B (de) 1970-10-26
DE1474421C3 (de) 1975-12-18
DE1474421A1 (de) 1969-10-02
DE1474421B2 (de) 1975-04-10
JPS5220845B1 (de) 1977-06-07

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Legal Events

Date Code Title Description
PL Patent ceased