IT1174373B - Elemento di registrazione magnetica e relativo metodo di fabbricazione - Google Patents

Elemento di registrazione magnetica e relativo metodo di fabbricazione

Info

Publication number
IT1174373B
IT1174373B IT27157/78A IT2715778A IT1174373B IT 1174373 B IT1174373 B IT 1174373B IT 27157/78 A IT27157/78 A IT 27157/78A IT 2715778 A IT2715778 A IT 2715778A IT 1174373 B IT1174373 B IT 1174373B
Authority
IT
Italy
Prior art keywords
related manufacturing
registration element
magnetic registration
magnetic
manufacturing
Prior art date
Application number
IT27157/78A
Other languages
English (en)
Other versions
IT7827157A0 (it
Original Assignee
Cii Honeywell Bull
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 Cii Honeywell Bull filed Critical Cii Honeywell Bull
Publication of IT7827157A0 publication Critical patent/IT7827157A0/it
Application granted granted Critical
Publication of IT1174373B publication Critical patent/IT1174373B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G19/00—Processes using magnetic patterns; Apparatus therefor, i.e. magnetography
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/14—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9265—Special properties
    • Y10S428/928—Magnetic property
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • Y10T428/12903—Cu-base component
    • Y10T428/12917—Next to Fe-base component

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Magnetic Record Carriers (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
IT27157/78A 1977-09-07 1978-08-30 Elemento di registrazione magnetica e relativo metodo di fabbricazione IT1174373B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7727073A FR2402921A1 (fr) 1977-09-07 1977-09-07 Element d'enregistrement magnetique et son procede de fabrication

Publications (2)

Publication Number Publication Date
IT7827157A0 IT7827157A0 (it) 1978-08-30
IT1174373B true IT1174373B (it) 1987-07-01

Family

ID=9195124

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27157/78A IT1174373B (it) 1977-09-07 1978-08-30 Elemento di registrazione magnetica e relativo metodo di fabbricazione

Country Status (6)

Country Link
US (1) US4205120A (it)
JP (1) JPS5454048A (it)
DE (1) DE2839046A1 (it)
FR (1) FR2402921A1 (it)
GB (1) GB2006677B (it)
IT (1) IT1174373B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2490847A1 (fr) * 1980-09-22 1982-03-26 Cii Honeywell Bull Element d'enregistrement magnetique
JPS5828356B2 (ja) 1980-12-29 1983-06-15 新日本製鐵株式会社 溶接性にすぐれたクロムめっき鋼板
JPS589176A (ja) * 1981-07-10 1983-01-19 Fuji Xerox Co Ltd 磁気潜像形成装置
FR2541011A1 (fr) * 1983-02-11 1984-08-17 Cii Honeywell Bull Dispositif pour convertir des signaux electriques representatifs de donnees en un ensemble de points saillants constituant l'image de ces donnees
CA1234891A (en) * 1983-10-20 1988-04-05 746278 Ontario Limited D/B/A I.D. Systems Canada Security system label
US5764429A (en) * 1996-04-29 1998-06-09 Eastman Kodak Company Magnetic writing of repetitive information on magnetic wheel and magnization head for media

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE565082A (it) * 1957-02-27
DE1596612A1 (de) * 1965-10-27 1971-03-18 Ppg Industries Inc Verfahren und Vorrichtung zum Biegen von Glasscheiben mittels Biegepressen
US3459517A (en) * 1966-04-13 1969-08-05 Siemens Ag Memory element with stacked magnetic layers
US3471272A (en) * 1966-09-20 1969-10-07 Thin Film Inc Magnetic storage medium
US3702239A (en) * 1969-03-17 1972-11-07 Sperry Rand Corp Magnetic storage medium
US3715793A (en) * 1970-05-04 1973-02-13 Honeywell Inc Plated super-coat and electrolyte
US3886052A (en) * 1970-07-20 1975-05-27 Digital Equipment Corp Method of making a magnetic recording disc
US3756788A (en) * 1970-10-12 1973-09-04 C Whetstone Laminated magnetic material
US3866192A (en) * 1973-03-01 1975-02-11 Honeywell Inc Plated wire memory element
US3853717A (en) * 1973-06-29 1974-12-10 Sperry Rand Corp Plated wire memory
FR2298850A1 (fr) * 1975-01-23 1976-08-20 Honeywell Bull Soc Ind Dispositif d'enregistrement d'informations sur un support magnetique

Also Published As

Publication number Publication date
DE2839046A1 (de) 1979-03-15
IT7827157A0 (it) 1978-08-30
FR2402921A1 (fr) 1979-04-06
FR2402921B1 (it) 1980-04-18
DE2839046C2 (it) 1989-06-15
JPH0141990B2 (it) 1989-09-08
JPS5454048A (en) 1979-04-27
GB2006677B (en) 1982-01-20
GB2006677A (en) 1979-05-10
US4205120A (en) 1980-05-27

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950829