CA1243269A - High speed coating process for magnetic disks - Google Patents
High speed coating process for magnetic disksInfo
- Publication number
- CA1243269A CA1243269A CA000451270A CA451270A CA1243269A CA 1243269 A CA1243269 A CA 1243269A CA 000451270 A CA000451270 A CA 000451270A CA 451270 A CA451270 A CA 451270A CA 1243269 A CA1243269 A CA 1243269A
- Authority
- CA
- Canada
- Prior art keywords
- disk
- nozzle
- media
- outside diameter
- coating application
- 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
- 238000000576 coating method Methods 0.000 title claims abstract description 37
- 239000011248 coating agent Substances 0.000 claims abstract description 36
- 239000010408 film Substances 0.000 claims abstract description 23
- 239000010409 thin film Substances 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 53
- 239000011241 protective layer Substances 0.000 claims description 6
- 239000012530 fluid Substances 0.000 abstract description 5
- 239000011253 protective coating Substances 0.000 abstract 1
- 230000008569 process Effects 0.000 description 40
- 238000005498 polishing Methods 0.000 description 22
- JJLJMEJHUUYSSY-UHFFFAOYSA-L Copper hydroxide Chemical compound [OH-].[OH-].[Cu+2] JJLJMEJHUUYSSY-UHFFFAOYSA-L 0.000 description 13
- 239000002245 particle Substances 0.000 description 12
- 239000002904 solvent Substances 0.000 description 8
- 238000011109 contamination Methods 0.000 description 5
- 239000010410 layer Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000006249 magnetic particle Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000003921 oil Substances 0.000 description 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)
- Application Of Or Painting With Fluid Materials (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US50463883A | 1983-06-15 | 1983-06-15 | |
| US504,638 | 1983-06-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1243269A true CA1243269A (en) | 1988-10-18 |
Family
ID=24007131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000451270A Expired CA1243269A (en) | 1983-06-15 | 1984-04-04 | High speed coating process for magnetic disks |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS607625A (enrdf_load_stackoverflow) |
| AU (1) | AU565469B2 (enrdf_load_stackoverflow) |
| CA (1) | CA1243269A (enrdf_load_stackoverflow) |
| DE (1) | DE3407253A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2141637B (enrdf_load_stackoverflow) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2155358B (en) * | 1984-03-02 | 1987-02-04 | Magnetic Peripherals Inc | A method of removing magnetic media from a disk |
| JP2547296B2 (ja) * | 1992-03-18 | 1996-10-23 | 公利 間藤 | ディスクの表面被膜形成方法および装置 |
| AU6733196A (en) * | 1995-08-30 | 1997-03-19 | Danfoss A/S | Method of producing magnetic poles on a base member, and rotor of an electrical machine |
| DE10027607C2 (de) * | 2000-06-06 | 2003-04-03 | W3Hm S A | Verfahren zur Bestückung eines Trägers bzw. magnetischen Trägers zur Anlagerung von mikro- oder nanopartikulären, magnetisch wechselwirkenden Teilchen |
| DE10027608C2 (de) * | 2000-06-06 | 2003-01-09 | W3Hm S A | Vorrichtung zur Bestückung eines Trägers bzw. magnetischen Trägers zur Anlagerung von mikro- oder nanopartikulären, magnetisch wechselwirkenden Teilchen |
| CN100391620C (zh) * | 2001-04-19 | 2008-06-04 | 通用电气公司 | 旋涂介质 |
| US10996564B2 (en) | 2018-01-11 | 2021-05-04 | Globalfoundries U.S. Inc. | Uniformity control of metal-based photoresists |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3198657A (en) * | 1964-09-17 | 1965-08-03 | Ibm | Process for spin coating objects |
| JPS5211210B2 (enrdf_load_stackoverflow) * | 1971-12-29 | 1977-03-29 | ||
| DE2459541C3 (de) * | 1974-12-17 | 1978-08-31 | Basf Ag, 6700 Ludwigshafen | Verfahren zum Herstellen von Magnetschichten von Magnetspeicherplatten |
| JPS5484903A (en) * | 1977-12-20 | 1979-07-06 | Victor Co Of Japan Ltd | Wave shape unit |
| JPS5727439A (en) * | 1980-07-23 | 1982-02-13 | Yoshiro Nakamatsu | Spin coating system with speed variation |
| US4353932A (en) * | 1981-02-11 | 1982-10-12 | The Quaker Oats Company | Refrigerator pourable and stable pancake batters for preparing stable pancakes and method for preparing |
-
1984
- 1984-02-28 DE DE19843407253 patent/DE3407253A1/de active Granted
- 1984-03-05 JP JP4062184A patent/JPS607625A/ja active Granted
- 1984-03-06 GB GB08405796A patent/GB2141637B/en not_active Expired
- 1984-03-21 AU AU25948/84A patent/AU565469B2/en not_active Ceased
- 1984-04-04 CA CA000451270A patent/CA1243269A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2141637A (en) | 1985-01-03 |
| JPS607625A (ja) | 1985-01-16 |
| DE3407253A1 (de) | 1984-12-20 |
| AU2594884A (en) | 1984-12-20 |
| AU565469B2 (en) | 1987-09-17 |
| GB8405796D0 (en) | 1984-04-11 |
| GB2141637B (en) | 1986-07-02 |
| JPH0572012B2 (enrdf_load_stackoverflow) | 1993-10-08 |
| DE3407253C2 (enrdf_load_stackoverflow) | 1993-01-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4551355A (en) | High speed coating process for magnetic disks | |
| CA1243269A (en) | High speed coating process for magnetic disks | |
| JPH0121529B2 (enrdf_load_stackoverflow) | ||
| EP0072378B1 (en) | Method relating to disc forming | |
| US4588611A (en) | Disk stripping and coating process | |
| US5358737A (en) | Method of brushing incompletely dried coating regions from a coated web | |
| CA1232136A (en) | Disk stripping process | |
| JPS59124032A (ja) | 磁気デイスクの製造方法 | |
| KR100283162B1 (ko) | 디스크형 데이터 저장 매체를 코팅시키는 방법 및 장치 | |
| JP2003126755A (ja) | 光ディスクの保護膜塗布用スピンコータおよび光ディスクの製造方法 | |
| JPH06277615A (ja) | 液体塗布方法 | |
| FR2548423A1 (fr) | Procede d'application d'un materiau magnetique sur un disque et disque obtenu par le procede | |
| JPH021862A (ja) | 塗布方法 | |
| JPH06150308A (ja) | 磁気記録媒体表面処理装置 | |
| CA1165613A (en) | Method for developing photoresist layer on a video disc master | |
| JPH01242238A (ja) | スタンパ | |
| JPH0119236Y2 (enrdf_load_stackoverflow) | ||
| JPH09312017A (ja) | 磁気ディスクの製造方法 | |
| CA1173304A (en) | Method for forming video discs | |
| JPS62136265A (ja) | 処理液塗布装置 | |
| CA1191597A (en) | Method for forming video discs | |
| JPH05298688A (ja) | 磁気ディスク用表面研磨テープ | |
| JPH08153344A (ja) | 光ディスク用ガラス原盤の洗浄方法及びその装置 | |
| JPH03120616A (ja) | 磁気ディスク媒体 | |
| JPH04259929A (ja) | 光情報記録媒体の製造方法及びその装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |