GB1280895A - Method of making a magnetic head - Google Patents

Method of making a magnetic head

Info

Publication number
GB1280895A
GB1280895A GB4665869A GB4665869A GB1280895A GB 1280895 A GB1280895 A GB 1280895A GB 4665869 A GB4665869 A GB 4665869A GB 4665869 A GB4665869 A GB 4665869A GB 1280895 A GB1280895 A GB 1280895A
Authority
GB
United Kingdom
Prior art keywords
layers
members
sept
magnetic head
layer
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
Application number
GB4665869A
Other languages
English (en)
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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
Priority claimed from JP7065668A external-priority patent/JPS5343813B1/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of GB1280895A publication Critical patent/GB1280895A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C04B37/00—Joining burned ceramic articles with other burned ceramic articles or other articles by heating
    • C04B37/003—Joining burned ceramic articles with other burned ceramic articles or other articles by heating by means of an interlayer consisting of a combination of materials selected from glass, or ceramic material with metals, metal oxides or metal salts
    • C04B37/005—Joining burned ceramic articles with other burned ceramic articles or other articles by heating by means of an interlayer consisting of a combination of materials selected from glass, or ceramic material with metals, metal oxides or metal salts consisting of glass or ceramic material
    • 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
    • C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/02—Aspects relating to interlayers, e.g. used to join ceramic articles with other articles by heating
    • C04B2237/04—Ceramic interlayers
    • C04B2237/06—Oxidic interlayers
    • 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
    • C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/02—Aspects relating to interlayers, e.g. used to join ceramic articles with other articles by heating
    • C04B2237/04—Ceramic interlayers
    • C04B2237/06—Oxidic interlayers
    • C04B2237/062—Oxidic interlayers based on silica or silicates
    • 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
    • C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/02—Aspects relating to interlayers, e.g. used to join ceramic articles with other articles by heating
    • C04B2237/10—Glass interlayers, e.g. frit or flux
    • 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
    • C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
    • C04B2237/32—Ceramic
    • C04B2237/34—Oxidic
    • 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
    • C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/50—Processing aspects relating to ceramic laminates or to the joining of ceramic articles with other articles by heating
    • C04B2237/64—Forming laminates or joined articles comprising grooves or cuts
    • 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
    • C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/50—Processing aspects relating to ceramic laminates or to the joining of ceramic articles with other articles by heating
    • C04B2237/70—Forming laminates or joined articles comprising layers of a specific, unusual thickness
    • C04B2237/708—Forming laminates or joined articles comprising layers of a specific, unusual thickness of one or more of the interlayers
    • 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
    • C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/50—Processing aspects relating to ceramic laminates or to the joining of ceramic articles with other articles by heating
    • C04B2237/72—Forming laminates or joined articles comprising at least two interlayers directly next to each other
    • 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
    • C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/50—Processing aspects relating to ceramic laminates or to the joining of ceramic articles with other articles by heating
    • C04B2237/88—Joining of two substrates, where a substantial part of the joining material is present outside of the joint, leading to an outside joining of the joint

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Magnetic Heads (AREA)
GB4665869A 1968-09-25 1969-09-22 Method of making a magnetic head Expired GB1280895A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7065668A JPS5343813B1 (nl) 1968-09-25 1968-09-25
JP7772768 1968-10-22

Publications (1)

Publication Number Publication Date
GB1280895A true GB1280895A (en) 1972-07-05

Family

ID=26411787

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4665869A Expired GB1280895A (en) 1968-09-25 1969-09-22 Method of making a magnetic head

Country Status (5)

Country Link
CA (1) CA953484A (nl)
DE (1) DE1948375C3 (nl)
FR (1) FR2018866A1 (nl)
GB (1) GB1280895A (nl)
NL (1) NL143714B (nl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021242714A1 (en) * 2020-05-26 2021-12-02 Heraeus Conamic North America Llc Plasma resistant ceramic body formed from multiple pieces

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4611259A (en) * 1983-02-08 1986-09-09 Ampex Corporation Magnetic transducer structure having reduced track width and a method of manufacturing thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021242714A1 (en) * 2020-05-26 2021-12-02 Heraeus Conamic North America Llc Plasma resistant ceramic body formed from multiple pieces

Also Published As

Publication number Publication date
DE1948375A1 (de) 1970-04-02
NL6914478A (nl) 1970-03-31
CA953484A (en) 1974-08-27
FR2018866A1 (nl) 1970-06-26
DE1948375C3 (de) 1975-01-02
NL143714B (nl) 1974-10-15
DE1948375B2 (de) 1974-05-22

Similar Documents

Publication Publication Date Title
GB1144285A (en) Improvements in and relating to magnetic materials and devices
GB1495125A (en) Photochromic sheet glass compositions and articles
GB1324477A (en) High strength laminated bodies
GB1345294A (en) Glass-ceramic articles
SE8004717L (sv) Sett att framstella en amorf, magnetisk legering
DE3886474D1 (de) Glas beschichtet mit Metalloxidschichten mit Sperreigenschaften.
GB1286586A (en) Opal glass compositions
GB977866A (en) Glass body having surface crystalline layer thereon and method of making it
JPS5446021A (en) Magnetic head and production of the same
GB1280895A (en) Method of making a magnetic head
GB1493743A (en) Cristobalite suppression in high-silica li2o-al2o3-sio2 devitrified glass frits
ES294612A1 (es) Metodo de fabricaciën de articulos de vidrio de elevada resistencia mecanica
GB1147944A (en) Improvements relating to methods of manufacturing multiple magnetic heads
GB1000710A (en) Improvements relating to magnetic heads
DK154339C (da) Glas omfattende tio2-bao-zno-zro2-cao-mgo-sio2-n2o/k2o og med et brydningsindeks paa over 2,10
GB1108476A (en) Surface-devitrified glasses
GB1380819A (en) Glass-cermic laminated articles
JPS56137517A (en) Magnetic head and its manufacture
GB1157123A (en) Method of making Capacitors
DE3365098D1 (en) Glass-bonded magnetic head and method of manufacturing same
JPS5654622A (en) Magnetic head and its manufacture
JPS57179926A (en) Magnetic head
GB782126A (en) Improvements in or relating to methods of and apparatus for manufacturing ornamentedflat glass
JPS54118811A (en) Production of magnetic head
GB1398315A (en) Method for manufacturing dials for watches and dials for watches manufactured according to said method

Legal Events

Date Code Title Description
PS Patent sealed
746 Register noted 'licences of right' (sect. 46/1977)
PE20 Patent expired after termination of 20 years