CA980639A - Process and apparatus for the production of the magnetic layers of magnetic disks - Google Patents

Process and apparatus for the production of the magnetic layers of magnetic disks

Info

Publication number
CA980639A
CA980639A CA156,757A CA156757A CA980639A CA 980639 A CA980639 A CA 980639A CA 156757 A CA156757 A CA 156757A CA 980639 A CA980639 A CA 980639A
Authority
CA
Canada
Prior art keywords
magnetic
production
layers
disks
magnetic disks
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
CA156,757A
Other versions
CA156757S (en
Inventor
Josef Woellhaf
Werner Balz
Paul Willmann
Roland Falk
Dieter Scheffel
Volker Richter
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.)
BASF SE
Original Assignee
Badische Anilin and Sodafabrik AG
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 DE19712157650 external-priority patent/DE2157650C3/en
Priority claimed from DE19722200023 external-priority patent/DE2200023C3/en
Application filed by Badische Anilin and Sodafabrik AG filed Critical Badische Anilin and Sodafabrik AG
Application granted granted Critical
Publication of CA980639A publication Critical patent/CA980639A/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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/842—Coating a support with a liquid magnetic dispersion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/002—Processes for applying liquids or other fluent materials the substrate being rotated
    • B05D1/005—Spin coating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Coating Apparatus (AREA)
  • Magnetic Record Carriers (AREA)
  • Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
  • Photographic Processing Devices Using Wet Methods (AREA)
CA156,757A 1971-11-20 1972-11-15 Process and apparatus for the production of the magnetic layers of magnetic disks Expired CA980639A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19712157650 DE2157650C3 (en) 1971-11-20 1971-11-20 Process for producing the magnetic layers of magnetic disks and apparatus for carrying out the process
DE19722200023 DE2200023C3 (en) 1972-01-03 Automatic machine for the production of magnetic dispersion layers for magnetic disks

Publications (1)

Publication Number Publication Date
CA980639A true CA980639A (en) 1975-12-30

Family

ID=25762051

Family Applications (1)

Application Number Title Priority Date Filing Date
CA156,757A Expired CA980639A (en) 1971-11-20 1972-11-15 Process and apparatus for the production of the magnetic layers of magnetic disks

Country Status (7)

Country Link
JP (1) JPS552650B2 (en)
CA (1) CA980639A (en)
FR (1) FR2160663B1 (en)
GB (1) GB1402598A (en)
NL (1) NL172382C (en)
PL (1) PL78685B1 (en)
RO (1) RO62460A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR8008111A (en) * 1979-12-13 1981-06-30 Dysan Corp PROCESS FOR THE MANUFACTURE OF A FLEXIBLE COATED DISC, APPLIANCE FOR THE TREATMENT OF THIS AND SAID FLEXIBLE RECORDING DISC
JPS5769737A (en) * 1980-10-17 1982-04-28 Hitachi Ltd Coating method and device for resist on both side surfaces of wafer
JPS5778636A (en) * 1980-10-31 1982-05-17 Fujitsu Ltd Spin coater
JPS5896396U (en) * 1981-12-23 1983-06-30 パイオニア株式会社 damper for speaker
JPS5992059A (en) * 1982-11-18 1984-05-28 Matsushita Electric Ind Co Ltd Formation of coating film on discoidal body
JPH0713211Y2 (en) * 1989-04-11 1995-03-29 大日本印刷株式会社 Resist coater with spin chuck cleaning function
JPH0390430U (en) * 1989-12-28 1991-09-13

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5114242A (en) * 1974-07-26 1976-02-04 Mitsubishi Electric Corp BUNPASOCHI

Also Published As

Publication number Publication date
NL7215407A (en) 1973-05-22
JPS552650B2 (en) 1980-01-21
FR2160663A1 (en) 1973-06-29
PL78685B1 (en) 1975-06-30
NL172382C (en) 1983-08-16
FR2160663B1 (en) 1978-09-08
RO62460A (en) 1977-12-15
NL172382B (en) 1983-03-16
JPS4863709A (en) 1973-09-04
GB1402598A (en) 1975-08-13

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