FR1424438A - Method of manufacturing magnetic recording elements - Google Patents

Method of manufacturing magnetic recording elements

Info

Publication number
FR1424438A
FR1424438A FR988015A FR988015A FR1424438A FR 1424438 A FR1424438 A FR 1424438A FR 988015 A FR988015 A FR 988015A FR 988015 A FR988015 A FR 988015A FR 1424438 A FR1424438 A FR 1424438A
Authority
FR
France
Prior art keywords
magnetic recording
recording elements
manufacturing magnetic
manufacturing
elements
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
FR988015A
Other languages
French (fr)
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 US309852A external-priority patent/US3418161A/en
Application filed by RCA Corp, Radio Corporation of America filed Critical RCA Corp
Priority to FR988015A priority Critical patent/FR1424438A/en
Application granted granted Critical
Publication of FR1424438A publication Critical patent/FR1424438A/en
Expired legal-status Critical Current

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
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/702—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent
    • G11B5/7021—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent containing a polyurethane or a polyisocyanate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
FR988015A 1963-09-18 1964-09-14 Method of manufacturing magnetic recording elements Expired FR1424438A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR988015A FR1424438A (en) 1963-09-18 1964-09-14 Method of manufacturing magnetic recording elements

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US309852A US3418161A (en) 1963-09-18 1963-09-18 Process for preparing a magnetic recording element
FR988015A FR1424438A (en) 1963-09-18 1964-09-14 Method of manufacturing magnetic recording elements

Publications (1)

Publication Number Publication Date
FR1424438A true FR1424438A (en) 1966-01-14

Family

ID=26209941

Family Applications (1)

Application Number Title Priority Date Filing Date
FR988015A Expired FR1424438A (en) 1963-09-18 1964-09-14 Method of manufacturing magnetic recording elements

Country Status (1)

Country Link
FR (1) FR1424438A (en)

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