FR1158021A - Dispositif de mémoire magnétique - Google Patents

Dispositif de mémoire magnétique

Info

Publication number
FR1158021A
FR1158021A FR1158021DA FR1158021A FR 1158021 A FR1158021 A FR 1158021A FR 1158021D A FR1158021D A FR 1158021DA FR 1158021 A FR1158021 A FR 1158021A
Authority
FR
France
Prior art keywords
memory device
magnetic memory
magnetic
memory
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
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR1158021A publication Critical patent/FR1158021A/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
    • C04B35/2625—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 magnesium
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49069—Data storage inductor or core

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Structure Of Printed Boards (AREA)
  • Soft Magnetic Materials (AREA)
  • Magnetic Ceramics (AREA)
FR1158021D 1955-12-22 1956-08-31 Dispositif de mémoire magnétique Expired FR1158021A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US554841A US2981932A (en) 1955-12-22 1955-12-22 Magnetic memory device and method of manufacture
US759493A US2978683A (en) 1955-12-22 1958-09-08 Information storage device

Publications (1)

Publication Number Publication Date
FR1158021A true FR1158021A (fr) 1958-06-06

Family

ID=27070702

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1158021D Expired FR1158021A (fr) 1955-12-22 1956-08-31 Dispositif de mémoire magnétique

Country Status (7)

Country Link
US (2) US2981932A (fr)
BE (1) BE551882A (fr)
CH (1) CH338868A (fr)
DE (1) DE1035810B (fr)
FR (1) FR1158021A (fr)
GB (1) GB806964A (fr)
NL (1) NL211617A (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL130691C (fr) * 1959-05-21
US3213430A (en) * 1959-10-26 1965-10-19 Kokusai Denshin Denwa Co Ltd Thin film memory apparatus
US3188721A (en) * 1959-11-12 1965-06-15 Telefonbau & Normalzeit Gmbh Magnetic core memories
GB924848A (en) * 1960-05-27 1963-05-01 Ibm Improvements in and relating to methods of manufacturing memory arrays
US3154840A (en) * 1960-06-06 1964-11-03 Rca Corp Method of making a magnetic memory
GB942567A (en) * 1960-09-23 1963-11-27 Internat Computors And Tabulat Improvements in or relating to magnetic storing devices
GB964700A (en) * 1960-09-23 1964-07-22 Int Computers & Tabulators Ltd Improvements in or relating to information storage devices
DE1141393B (de) * 1961-01-11 1962-12-20 Siemens Ag Ferromagnetisches Bauelement, z. B. fuer parametrische Verstaerker
US3139668A (en) * 1961-08-17 1964-07-07 Automatic Elect Lab Package method for producing a memory system
US3247496A (en) * 1961-10-12 1966-04-19 Rca Corp Assemblies of magnetic elements
NL286104A (fr) * 1961-11-30
US3264713A (en) * 1962-01-30 1966-08-09 Evans J Gregg Method of making memory core structures
NL291143A (fr) * 1962-04-07
NL291665A (fr) * 1962-04-19
US3239822A (en) * 1962-04-25 1966-03-08 Thompson Ramo Wooldridge Inc Permanent storage wire screen memory apparatus
NL293840A (fr) * 1962-06-11
NL294437A (fr) * 1962-06-29
NL298764A (fr) * 1962-10-04
US3237174A (en) * 1962-11-02 1966-02-22 Ex Cell O Corp Magnetic core memory matrix and process of manufacturing the same
US3307245A (en) * 1963-07-02 1967-03-07 Univ Florida Atlantic Method of making a memory matrix
US3312961A (en) * 1963-08-22 1967-04-04 Rca Corp Coincident current magnetic plate memory
DE1290592B (de) * 1964-09-16 1969-03-13 Philips Patentverwaltung Netzartig verdrahteter Magnetspeicher und Verfahren zu seiner Herstellung
US3439087A (en) * 1966-07-27 1969-04-15 Electronic Res Corp Method of making memory core plane
US3757415A (en) * 1966-12-13 1973-09-11 Amp Inc Method of making a monolithic multiaperture core device

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2014524A (en) * 1933-04-28 1935-09-17 Western Electric Co Article
DE884663C (de) * 1942-02-10 1953-07-30 Bosch Gmbh Robert Entstoerdrosselspule mit Massekern
US2703854A (en) * 1943-02-02 1955-03-08 Hermoplast Ltd Electrical coil
CH260717A (de) * 1943-05-31 1949-03-31 Philips Nv Verfahren zur Herstellung eines magnetischen Kernes, und nach diesem Verfahren hergestellter magnetischer Kern.
US2457806A (en) * 1946-06-11 1949-01-04 Eugene R Crippa Inductance coil
BE504281A (fr) * 1948-10-05
US2743507A (en) * 1951-06-08 1956-05-01 Clevite Corp Method of making magnetic transducer heads
GB737284A (en) * 1952-02-15 1955-09-21 Steatite Res Corp Rectangular loop ferro nagnetic materials
US2746130A (en) * 1952-08-15 1956-05-22 Westrex Corp Method of securing conductor to stylus
NL190978A (fr) * 1953-10-01
US2700150A (en) * 1953-10-05 1955-01-18 Ind Patent Corp Means for manufacturing magnetic memory arrays
US2724103A (en) * 1953-12-31 1955-11-15 Bell Telephone Labor Inc Electrical circuits employing magnetic core memory elements
US2792563A (en) * 1954-02-01 1957-05-14 Rca Corp Magnetic system
US2824294A (en) * 1954-12-31 1958-02-18 Rca Corp Magnetic core arrays
US2785389A (en) * 1955-04-29 1957-03-12 Rca Corp Magnetic switching system

Also Published As

Publication number Publication date
BE551882A (fr)
GB806964A (en) 1959-01-07
US2978683A (en) 1961-04-04
DE1035810B (de) 1958-08-07
NL211617A (fr)
US2981932A (en) 1961-04-25
CH338868A (fr) 1959-06-15

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