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
Authority: CA; Canada
Prior art keywords: magnetic; production; layers; disks; magnetic disks
Prior art date: 1971-11-20
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.)

1971-11-20

Filing date

1972-11-15

Publication date

1975-12-30

1971-11-20 Priority claimed from DE19712157650 external-priority patent/DE2157650C3/en

1972-01-03 Priority claimed from DE19722200023 external-priority patent/DE2200023C3/en

1972-11-15 Application filed by Badische Anilin and Sodafabrik AG filed Critical Badische Anilin and Sodafabrik AG

1975-12-30 Application granted granted Critical

1975-12-30 Publication of CA980639A publication Critical patent/CA980639A/en

Status Expired legal-status Critical Current

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)
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)

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

1972
- 1972-11-14 NL NL7215407A patent/NL172382C/en not_active IP Right Cessation
- 1972-11-15 CA CA156,757A patent/CA980639A/en not_active Expired
- 1972-11-17 GB GB5313672A patent/GB1402598A/en not_active Expired
- 1972-11-17 JP JP11485172A patent/JPS552650B2/ja not_active Expired
- 1972-11-20 PL PL15896672A patent/PL78685B1/xx unknown
- 1972-11-20 FR FR7241093A patent/FR2160663B1/fr not_active Expired
- 1972-11-20 RO RO7286172A patent/RO62460A/en unknown

Also Published As

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

Similar Documents

Publication	Publication Date	Title
CA976432A (en)	1975-10-21	Magnetic recording material and method for its production
CA996759A (en)	1976-09-14	Abrasive articles and their method of manufacture
CA1012718A (en)	1977-06-28	Apparatus and process for producing heterofilaments
CA1014566A (en)	1977-07-26	Isothiocyanobenzazoles and process for their production
CA974088A (en)	1975-09-09	Cog-belt and method for its production
CA948832A (en)	1974-06-11	Method and apparatus for the manufacture of bricks
CA988787A (en)	1976-05-11	Process and apparatus for the production of magnetic recording media
CA962139A (en)	1975-02-04	Magnetic recording media and a process for their production
CA980639A (en)	1975-12-30	Process and apparatus for the production of the magnetic layers of magnetic disks
CA986922A (en)	1976-04-06	Acylamino-cephalosporanic acids and process for their manufacture
CA975938A (en)	1975-10-14	Method and apparatus for the manufacture of wire-spoked wheels
CA983162A (en)	1976-02-03	Apparatus and process for replicating magnetic recordings
AU464942B2 (en)	1975-09-11	Benzenesulfonamidopyrimidines and process for their manufacture
CA995668A (en)	1976-08-24	Aminopyrazolopyrimidines and processes for their production
CA967487A (en)	1975-05-13	Magnetic record apparatus
CA875056A (en)	1971-07-06	Method and apparatus for manufacturing tumbling media
CA870144A (en)	1971-05-04	Process and apparatus for the production of holograms
AU4595072A (en)	1974-02-28	Substituted isoindolines and process for their manufacture
CA972937A (en)	1975-08-19	Process and apparatus for producing webs
CA869288A (en)	1971-04-27	Quilts and methods of and apparatus for the manufacture thereof
CA863505A (en)	1971-02-09	Product manufacturing method and apparatus
CA882891A (en)	1971-10-05	Xerothermographic reproduction process and apparatus
CA869549A (en)	1971-04-27	Process for the production of ortho-hydroxybenzophenones and xanthones
CA863357A (en)	1971-02-09	Process for the production of new substituted phenethyl-alcohols and their esters
CA885675A (en)	1971-11-09	Magnetic recording apparatus and method