CA1114499A - Controlled surface finish for flexible disk stabilizing plate - Google Patents
Controlled surface finish for flexible disk stabilizing plateInfo
- Publication number
- CA1114499A CA1114499A CA290,069A CA290069A CA1114499A CA 1114499 A CA1114499 A CA 1114499A CA 290069 A CA290069 A CA 290069A CA 1114499 A CA1114499 A CA 1114499A
- Authority
- CA
- Canada
- Prior art keywords
- plate
- depressions
- backing plate
- disk
- flexible disk
- 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
- 230000000087 stabilizing effect Effects 0.000 title claims abstract description 7
- 238000000034 method Methods 0.000 description 8
- 238000005530 etching Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000005041 Mylar™ Substances 0.000 description 2
- BGTFCAQCKWKTRL-YDEUACAXSA-N chembl1095986 Chemical compound C1[C@@H](N)[C@@H](O)[C@H](C)O[C@H]1O[C@@H]([C@H]1C(N[C@H](C2=CC(O)=CC(O[C@@H]3[C@H]([C@@H](O)[C@H](O)[C@@H](CO)O3)O)=C2C=2C(O)=CC=C(C=2)[C@@H](NC(=O)[C@@H]2NC(=O)[C@@H]3C=4C=C(C(=C(O)C=4)C)OC=4C(O)=CC=C(C=4)[C@@H](N)C(=O)N[C@@H](C(=O)N3)[C@H](O)C=3C=CC(O4)=CC=3)C(=O)N1)C(O)=O)=O)C(C=C1)=CC=C1OC1=C(O[C@@H]3[C@H]([C@H](O)[C@@H](O)[C@H](CO[C@@H]5[C@H]([C@@H](O)[C@H](O)[C@@H](C)O5)O)O3)O[C@@H]3[C@H]([C@@H](O)[C@H](O)[C@@H](CO)O3)O[C@@H]3[C@H]([C@H](O)[C@@H](CO)O3)O)C4=CC2=C1 BGTFCAQCKWKTRL-YDEUACAXSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000004532 chromating Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/32—Maintaining desired spacing between record carrier and head, e.g. by fluid-dynamic spacing
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Laminated Bodies (AREA)
- Manufacturing Optical Record Carriers (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Printing Plates And Materials Therefor (AREA)
- Separation Of Gases By Adsorption (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB52382/76 | 1976-12-15 | ||
| GB52382/76A GB1525529A (en) | 1976-12-15 | 1976-12-15 | Stabilizing backing plate for a flexible disc store |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1114499A true CA1114499A (en) | 1981-12-15 |
Family
ID=10463722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA290,069A Expired CA1114499A (en) | 1976-12-15 | 1977-11-02 | Controlled surface finish for flexible disk stabilizing plate |
Country Status (21)
| Country | Link |
|---|---|
| JP (1) | JPS5818695B2 (OSRAM) |
| AU (1) | AU510246B2 (OSRAM) |
| BE (1) | BE859813A (OSRAM) |
| CA (1) | CA1114499A (OSRAM) |
| CH (1) | CH621645A5 (OSRAM) |
| CS (1) | CS227655B2 (OSRAM) |
| DE (1) | DE2747901C2 (OSRAM) |
| DK (1) | DK557677A (OSRAM) |
| ES (1) | ES464446A1 (OSRAM) |
| FR (1) | FR2374717A1 (OSRAM) |
| GB (1) | GB1525529A (OSRAM) |
| IE (1) | IE45947B1 (OSRAM) |
| IL (1) | IL53135A (OSRAM) |
| IN (1) | IN147861B (OSRAM) |
| IT (1) | IT1114687B (OSRAM) |
| NL (1) | NL7712988A (OSRAM) |
| NO (1) | NO774300L (OSRAM) |
| OA (1) | OA05822A (OSRAM) |
| SE (1) | SE7713737L (OSRAM) |
| SU (1) | SU884590A3 (OSRAM) |
| ZA (1) | ZA776781B (OSRAM) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2950353A (en) * | 1955-07-05 | 1960-08-23 | Litton Industries Inc | Pliant disk magnetic recording apparatus |
| US3110889A (en) * | 1960-05-02 | 1963-11-12 | Lab For Electronics Inc | Magnetic disc storage device |
| US3178719A (en) * | 1961-07-20 | 1965-04-13 | Lab For Electronics Inc | Magnetic disc |
| JPS4919211B1 (OSRAM) * | 1968-02-29 | 1974-05-16 | ||
| BE792354A (fr) * | 1971-12-11 | 1973-03-30 | Ted Bildplatten | Appareil d'enregistrement et/ou de reproduction pour une feuille flexible de porteur d'enregistrement |
| JPS5427726B2 (OSRAM) * | 1972-04-15 | 1979-09-12 | ||
| JPS4913012A (OSRAM) * | 1972-05-17 | 1974-02-05 | ||
| JPS4912173A (OSRAM) * | 1972-05-17 | 1974-02-02 | ||
| US3951264A (en) * | 1974-10-29 | 1976-04-20 | Dynastor, Inc. | Flexible disc cartridge |
| JPS5816541B2 (ja) * | 1976-04-05 | 1983-03-31 | キヤノン株式会社 | フレキシブル・シ−トを用いた記録又は再生装置 |
-
1976
- 1976-12-15 GB GB52382/76A patent/GB1525529A/en not_active Expired
-
1977
- 1977-10-06 CH CH1219577A patent/CH621645A5/de not_active IP Right Cessation
- 1977-10-14 IL IL53135A patent/IL53135A/xx unknown
- 1977-10-17 BE BE181814A patent/BE859813A/xx not_active IP Right Cessation
- 1977-10-18 FR FR7732164A patent/FR2374717A1/fr active Granted
- 1977-10-26 DE DE2747901A patent/DE2747901C2/de not_active Expired
- 1977-11-02 CA CA290,069A patent/CA1114499A/en not_active Expired
- 1977-11-14 ZA ZA00776781A patent/ZA776781B/xx unknown
- 1977-11-16 IN IN392/DEL/77A patent/IN147861B/en unknown
- 1977-11-24 ES ES464446A patent/ES464446A1/es not_active Expired
- 1977-11-25 NL NL7712988A patent/NL7712988A/xx not_active Application Discontinuation
- 1977-11-29 IT IT30114/77A patent/IT1114687B/it active
- 1977-12-05 SE SE7713737A patent/SE7713737L/ not_active Application Discontinuation
- 1977-12-07 AU AU31331/77A patent/AU510246B2/en not_active Expired
- 1977-12-09 JP JP52147306A patent/JPS5818695B2/ja not_active Expired
- 1977-12-14 NO NO774300A patent/NO774300L/no unknown
- 1977-12-14 DK DK557677A patent/DK557677A/da not_active Application Discontinuation
- 1977-12-14 IE IE2544/77A patent/IE45947B1/en unknown
- 1977-12-14 SU SU772554497A patent/SU884590A3/ru active
- 1977-12-14 OA OA56338A patent/OA05822A/xx unknown
- 1977-12-15 CS CS778423A patent/CS227655B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5818695B2 (ja) | 1983-04-14 |
| DE2747901C2 (de) | 1983-04-14 |
| FR2374717A1 (fr) | 1978-07-13 |
| ZA776781B (en) | 1979-06-27 |
| BE859813A (fr) | 1978-02-15 |
| NL7712988A (nl) | 1978-06-19 |
| AU3133177A (en) | 1979-06-14 |
| IT1114687B (it) | 1986-01-27 |
| FR2374717B1 (OSRAM) | 1981-09-11 |
| JPS5395002A (en) | 1978-08-19 |
| AU510246B2 (en) | 1980-06-19 |
| OA05822A (fr) | 1981-05-31 |
| IN147861B (OSRAM) | 1980-07-26 |
| ES464446A1 (es) | 1979-09-16 |
| SE7713737L (sv) | 1978-06-16 |
| CH621645A5 (en) | 1981-02-13 |
| IE45947L (en) | 1978-06-15 |
| IL53135A0 (en) | 1977-12-30 |
| IE45947B1 (en) | 1983-01-12 |
| DE2747901A1 (de) | 1978-06-22 |
| IL53135A (en) | 1982-01-31 |
| GB1525529A (en) | 1978-09-20 |
| NO774300L (no) | 1978-06-16 |
| CS227655B2 (en) | 1984-05-14 |
| SU884590A3 (ru) | 1981-11-23 |
| DK557677A (da) | 1978-06-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |