FR2335261A1 - Machine a orienter les cristaux - Google Patents

Machine a orienter les cristaux

Info

Publication number
FR2335261A1
FR2335261A1 FR7637915A FR7637915A FR2335261A1 FR 2335261 A1 FR2335261 A1 FR 2335261A1 FR 7637915 A FR7637915 A FR 7637915A FR 7637915 A FR7637915 A FR 7637915A FR 2335261 A1 FR2335261 A1 FR 2335261A1
Authority
FR
France
Prior art keywords
disc
sprayed
inclined plate
magnetisable particles
crystal orientation
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.)
Granted
Application number
FR7637915A
Other languages
English (en)
French (fr)
Other versions
FR2335261B1 (https=
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.)
SOTAREM SA
Original Assignee
SOTAREM SA
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 SOTAREM SA filed Critical SOTAREM SA
Publication of FR2335261A1 publication Critical patent/FR2335261A1/fr
Application granted granted Critical
Publication of FR2335261B1 publication Critical patent/FR2335261B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B33/00—After-treatment of single crystals or homogeneous polycrystalline material with defined structure

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
FR7637915A 1975-12-16 1976-12-16 Machine a orienter les cristaux Granted FR2335261A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1625575A CH607800A5 (en) 1975-12-16 1975-12-16 Machine for manufacturing magnetic disks

Publications (2)

Publication Number Publication Date
FR2335261A1 true FR2335261A1 (fr) 1977-07-15
FR2335261B1 FR2335261B1 (https=) 1981-01-09

Family

ID=4415733

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7637915A Granted FR2335261A1 (fr) 1975-12-16 1976-12-16 Machine a orienter les cristaux

Country Status (2)

Country Link
CH (1) CH607800A5 (https=)
FR (1) FR2335261A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2952557A (en) * 1955-09-28 1960-09-13 Texas Instruments Inc Method and apparatus for coating disks
FR1263499A (fr) * 1960-06-28 1961-06-09 Rca Corp Procédé et dispositif pour la préparation d'éléments d'enregistrements magnétiques
US3198657A (en) * 1964-09-17 1965-08-03 Ibm Process for spin coating objects
DE2357517A1 (de) * 1973-11-17 1975-05-28 Basf Ag Verfahren zur herstellung starrer aufzeichnungstraeger mit kreisfoermiger magnetischer vorzugsrichtung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2952557A (en) * 1955-09-28 1960-09-13 Texas Instruments Inc Method and apparatus for coating disks
FR1263499A (fr) * 1960-06-28 1961-06-09 Rca Corp Procédé et dispositif pour la préparation d'éléments d'enregistrements magnétiques
US3198657A (en) * 1964-09-17 1965-08-03 Ibm Process for spin coating objects
DE2357517A1 (de) * 1973-11-17 1975-05-28 Basf Ag Verfahren zur herstellung starrer aufzeichnungstraeger mit kreisfoermiger magnetischer vorzugsrichtung

Also Published As

Publication number Publication date
CH607800A5 (en) 1978-10-31
FR2335261B1 (https=) 1981-01-09

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Legal Events

Date Code Title Description
ST Notification of lapse