GB1402598A - Process and apparatus for the production of the magnetic layers of magnetic discs - Google Patents

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

Info

Publication number
GB1402598A
GB1402598A GB5313672A GB5313672A GB1402598A GB 1402598 A GB1402598 A GB 1402598A GB 5313672 A GB5313672 A GB 5313672A GB 5313672 A GB5313672 A GB 5313672A GB 1402598 A GB1402598 A GB 1402598A
Authority
GB
United Kingdom
Prior art keywords
magnetic
faces
disc
discs
coating
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
GB5313672A
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.)
BASF SE
Original Assignee
BASF SE
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/de
Priority claimed from DE19722200023 external-priority patent/DE2200023C3/de
Application filed by BASF SE, Badische Anilin and Sodafabrik AG filed Critical BASF SE
Publication of GB1402598A publication Critical patent/GB1402598A/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)
  • Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
  • Photographic Processing Devices Using Wet Methods (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Coating Apparatus (AREA)
  • Magnetic Record Carriers (AREA)
GB5313672A 1971-11-20 1972-11-17 Process and apparatus for the production of the magnetic layers of magnetic discs Expired GB1402598A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19712157650 DE2157650C3 (de) 1971-11-20 1971-11-20 Verfahren zum Herstellen der Magnetschichten von Magnetplatten und Vorrichtung zur Durchführung des Verfahrens
DE19722200023 DE2200023C3 (de) 1972-01-03 Automat zur Herstellung von Magnetdlspersionsschichten für Magnetplatten

Publications (1)

Publication Number Publication Date
GB1402598A true GB1402598A (en) 1975-08-13

Family

ID=25762051

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5313672A Expired GB1402598A (en) 1971-11-20 1972-11-17 Process and apparatus for the production of the magnetic layers of magnetic discs

Country Status (7)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0030858A1 (en) * 1979-12-13 1981-06-24 Dysan Corporation Method and apparatus for fabricating flexible recording discs with improved thermal and hygroscopic stress characteristics

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (ja) * 1981-12-23 1983-06-30 パイオニア株式会社 スピ−カ用ダンパ
JPS5992059A (ja) * 1982-11-18 1984-05-28 Matsushita Electric Ind Co Ltd 円盤状体への被膜形成方法
JPH0713211Y2 (ja) * 1989-04-11 1995-03-29 大日本印刷株式会社 スピンチャック洗浄機能付きレジスト塗布装置
JPH0390430U (ja) * 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 (ja) * 1974-07-26 1976-02-04 Mitsubishi Electric Corp Bunpasochi

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0030858A1 (en) * 1979-12-13 1981-06-24 Dysan Corporation Method and apparatus for fabricating flexible recording discs with improved thermal and hygroscopic stress characteristics

Also Published As

Publication number Publication date
FR2160663A1 (ja) 1973-06-29
RO62460A (fr) 1977-12-15
NL172382C (nl) 1983-08-16
JPS4863709A (ja) 1973-09-04
JPS552650B2 (ja) 1980-01-21
FR2160663B1 (ja) 1978-09-08
CA980639A (en) 1975-12-30
PL78685B1 (ja) 1975-06-30
NL172382B (nl) 1983-03-16
NL7215407A (ja) 1973-05-22

Similar Documents

Publication Publication Date Title
US4201149A (en) Apparatus for spin coating in the production of thin magnetic layers for magnetic discs
US3853676A (en) Reference points on films containing curved configurations of magnetically oriented pigment
US3676273A (en) Films containing superimposed curved configurations of magnetically orientated pigment
US4325985A (en) Thread lock
GB1402598A (en) Process and apparatus for the production of the magnetic layers of magnetic discs
EP0047321A4 (en) MAGNETIC RECORDING MEDIUM.
US3222439A (en) Method of casting polymerizable resins containing lamellar particles
SE396035B (sv) Banformigt beleggningsmaterial av rymdnetspolymeriserad plast med strukturerat, diskontinuerligt ytskikt samt forfarande for framstellning av beleggningsmaterialet
JPS56119938A (en) Production of magnetic recording medium
US3192063A (en) Method of forming decorative objects from foamed thermoplastic resins
GB1528037A (en) Manufacture of magnetic discs
GB1489387A (en) Magnetic recording media
EP0078368B1 (en) Spin coating apparatus and method
GB1420867A (en) Process for coating plastics articles
GB1512699A (en) Process for the manufacture of rigid magnetic discs
US2110282A (en) Article of manufacture and method of forming the same
US3050433A (en) Process for producing a record disc having a pictorial illustration printed thereon
US3253070A (en) Production of pearly plastic sheet
GB2084900A (en) Thread lock
JPS57163537A (en) Duplication of flat plate like informaton recording carrier
JPS56161868A (en) Formation of composite paint film
JPS57198545A (en) Manufacture of magnetic recording medium
JPH05330297A (ja) 漆調転写材および漆調転写物
JPH0715765B2 (ja) 情報記録媒体の製造方法
JPS5260836A (en) Continuous process for coating and curing

Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years