FR2189343B1 - - Google Patents

Info

Publication number
FR2189343B1
FR2189343B1 FR7321407A FR7321407A FR2189343B1 FR 2189343 B1 FR2189343 B1 FR 2189343B1 FR 7321407 A FR7321407 A FR 7321407A FR 7321407 A FR7321407 A FR 7321407A FR 2189343 B1 FR2189343 B1 FR 2189343B1
Authority
FR
France
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
FR7321407A
Other languages
French (fr)
Other versions
FR2189343A1 (enExample
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.)
Ampex Corp
Original Assignee
Ampex Corp
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 Ampex Corp filed Critical Ampex Corp
Publication of FR2189343A1 publication Critical patent/FR2189343A1/fr
Application granted granted Critical
Publication of FR2189343B1 publication Critical patent/FR2189343B1/fr
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
    • 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
    • C04B35/26—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 ferrites
    • C04B35/2608—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead
    • C04B35/2616—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead containing lithium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
  • Magnetic Ceramics (AREA)
FR7321407A 1972-06-20 1973-06-13 Expired FR2189343B1 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26460272A 1972-06-20 1972-06-20

Publications (2)

Publication Number Publication Date
FR2189343A1 FR2189343A1 (enExample) 1974-01-25
FR2189343B1 true FR2189343B1 (enExample) 1976-03-26

Family

ID=23006796

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7321407A Expired FR2189343B1 (enExample) 1972-06-20 1973-06-13

Country Status (3)

Country Link
JP (1) JPS5331559B2 (enExample)
FR (1) FR2189343B1 (enExample)
GB (1) GB1381226A (enExample)

Also Published As

Publication number Publication date
GB1381226A (en) 1975-01-22
JPS5331559B2 (enExample) 1978-09-02
JPS4957013A (enExample) 1974-06-03
DE2331257A1 (de) 1974-01-17
FR2189343A1 (enExample) 1974-01-25
DE2331257B2 (de) 1976-01-29

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Legal Events

Date Code Title Description
ST Notification of lapse