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 discsInfo
- 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
Links
- 230000005291 magnetic effect Effects 0.000 title abstract 7
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 238000000576 coating method Methods 0.000 abstract 4
- 239000006185 dispersion Substances 0.000 abstract 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 abstract 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 abstract 3
- 239000011248 coating agent Substances 0.000 abstract 3
- 229920000642 polymer Polymers 0.000 abstract 2
- 238000005507 spraying Methods 0.000 abstract 2
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 abstract 1
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 abstract 1
- 229910000838 Al alloy Inorganic materials 0.000 abstract 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical class ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 abstract 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 abstract 1
- 229920003180 amino resin Polymers 0.000 abstract 1
- 229920001577 copolymer Polymers 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 239000003822 epoxy resin Substances 0.000 abstract 1
- 230000005294 ferromagnetic effect Effects 0.000 abstract 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 abstract 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000013034 phenoxy resin Substances 0.000 abstract 1
- 229920006287 phenoxy resin Polymers 0.000 abstract 1
- 239000000049 pigment Substances 0.000 abstract 1
- 229920000515 polycarbonate Polymers 0.000 abstract 1
- 239000004417 polycarbonate Substances 0.000 abstract 1
- 229920000647 polyepoxide Polymers 0.000 abstract 1
- 229920001225 polyester resin Polymers 0.000 abstract 1
- 239000004645 polyester resin Substances 0.000 abstract 1
- 229920002635 polyurethane Polymers 0.000 abstract 1
- 239000004814 polyurethane Substances 0.000 abstract 1
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)
- Coating Apparatus (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)
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 (enrdf_load_stackoverflow) |
| CA (1) | CA980639A (enrdf_load_stackoverflow) |
| FR (1) | FR2160663B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1402598A (enrdf_load_stackoverflow) |
| NL (1) | NL172382C (enrdf_load_stackoverflow) |
| PL (1) | PL78685B1 (enrdf_load_stackoverflow) |
| RO (1) | RO62460A (enrdf_load_stackoverflow) |
Cited By (1)
| 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)
| 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 (enrdf_load_stackoverflow) * | 1989-12-28 | 1991-09-13 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5114242A (ja) * | 1974-07-26 | 1976-02-04 | Mitsubishi Electric Corp | Bunpasochi |
-
1972
- 1972-11-14 NL NL7215407A patent/NL172382C/xx 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/ro unknown
Cited By (1)
| 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 |
|---|---|
| CA980639A (en) | 1975-12-30 |
| JPS552650B2 (enrdf_load_stackoverflow) | 1980-01-21 |
| NL7215407A (enrdf_load_stackoverflow) | 1973-05-22 |
| FR2160663A1 (enrdf_load_stackoverflow) | 1973-06-29 |
| PL78685B1 (enrdf_load_stackoverflow) | 1975-06-30 |
| FR2160663B1 (enrdf_load_stackoverflow) | 1978-09-08 |
| NL172382B (nl) | 1983-03-16 |
| RO62460A (fr) | 1977-12-15 |
| NL172382C (nl) | 1983-08-16 |
| JPS4863709A (enrdf_load_stackoverflow) | 1973-09-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PE20 | Patent expired after termination of 20 years |