DE2342890A1 - Informationsspeicher mit flexiblem, blattfoermigem informationstraeger, insbesondere schallplattenfoermigem magnettontraeger - Google Patents
Informationsspeicher mit flexiblem, blattfoermigem informationstraeger, insbesondere schallplattenfoermigem magnettontraegerInfo
- Publication number
- DE2342890A1 DE2342890A1 DE19732342890 DE2342890A DE2342890A1 DE 2342890 A1 DE2342890 A1 DE 2342890A1 DE 19732342890 DE19732342890 DE 19732342890 DE 2342890 A DE2342890 A DE 2342890A DE 2342890 A1 DE2342890 A1 DE 2342890A1
- Authority
- DE
- Germany
- Prior art keywords
- carrier
- sheet
- information
- frame
- shaped
- 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.)
- Pending
Links
- 238000003860 storage Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 239000000969 carrier Substances 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- YBYIRNPNPLQARY-UHFFFAOYSA-N 1H-indene Chemical compound C1=CC=C2CC=CC2=C1 YBYIRNPNPLQARY-UHFFFAOYSA-N 0.000 description 1
- 102000004315 Forkhead Transcription Factors Human genes 0.000 description 1
- 108090000852 Forkhead Transcription Factors Proteins 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- QXZUUHYBWMWJHK-UHFFFAOYSA-N [Co].[Ni] Chemical compound [Co].[Ni] QXZUUHYBWMWJHK-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- UCNNJGDEJXIUCC-UHFFFAOYSA-L hydroxy(oxo)iron;iron Chemical compound [Fe].O[Fe]=O.O[Fe]=O UCNNJGDEJXIUCC-UHFFFAOYSA-L 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000004381 surface treatment Methods 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
- G11B5/1871—Shaping or contouring of the transducing or guiding surface
-
- 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
- G11B17/02—Details
- G11B17/021—Selecting or spacing of record carriers for introducing the heads
-
- 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
- G11B5/41—Cleaning of heads
-
- 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
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
- G11B5/82—Disk carriers
- G11B5/825—Disk carriers flexible discs
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Magnetic Record Carriers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28381372A | 1972-08-25 | 1972-08-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2342890A1 true DE2342890A1 (de) | 1974-03-07 |
Family
ID=23087665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19732342890 Pending DE2342890A1 (de) | 1972-08-25 | 1973-08-24 | Informationsspeicher mit flexiblem, blattfoermigem informationstraeger, insbesondere schallplattenfoermigem magnettontraeger |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS4960704A (cs) |
| DE (1) | DE2342890A1 (cs) |
Cited By (9)
| 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 |
| EP0060017A1 (en) * | 1981-03-05 | 1982-09-15 | Minnesota Mining And Manufacturing Company | Stretched-film optical recording disc |
| EP0107421A1 (en) * | 1982-10-13 | 1984-05-02 | Minnesota Mining And Manufacturing Company | Stretched surface recording disk and method of manufacture |
| US4623570A (en) * | 1985-03-14 | 1986-11-18 | Minnesota Mining And Manufacturing Company | Stable stretched surface recording medium |
| US4625384A (en) * | 1982-04-19 | 1986-12-02 | Minnesota Mining And Manufacturing Company | Method of making a recording disc |
| US4670072A (en) * | 1982-10-13 | 1987-06-02 | Minnesota Mining And Manufacturing Company | Method of making a stretched surface recording disk |
| US4729805A (en) * | 1985-03-14 | 1988-03-08 | Minnesota Mining And Manufacturing Company | Recording medium annealing process |
| USRE33187E (en) * | 1985-03-14 | 1990-03-27 | Minnesota Mining And Manufacturing Company | Stable stretched surface recording medium |
| US4963209A (en) * | 1984-12-21 | 1990-10-16 | Minnesota Mining And Manufacturing Company | Method for making stretched surface recording disk |
-
1973
- 1973-08-24 DE DE19732342890 patent/DE2342890A1/de active Pending
- 1973-08-25 JP JP9563673A patent/JPS4960704A/ja active Pending
Cited By (12)
| 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 |
| EP0060017A1 (en) * | 1981-03-05 | 1982-09-15 | Minnesota Mining And Manufacturing Company | Stretched-film optical recording disc |
| US4365257A (en) | 1981-03-05 | 1982-12-21 | Minnesota Mining And Manufacturing Company | Stretched-film optical recording disc |
| US4625384A (en) * | 1982-04-19 | 1986-12-02 | Minnesota Mining And Manufacturing Company | Method of making a recording disc |
| EP0107421A1 (en) * | 1982-10-13 | 1984-05-02 | Minnesota Mining And Manufacturing Company | Stretched surface recording disk and method of manufacture |
| US4573097A (en) * | 1982-10-13 | 1986-02-25 | Minnesota Mining And Manufacturing Company | Stretched surface recording disk and method of manufacture |
| US4670072A (en) * | 1982-10-13 | 1987-06-02 | Minnesota Mining And Manufacturing Company | Method of making a stretched surface recording disk |
| US4963209A (en) * | 1984-12-21 | 1990-10-16 | Minnesota Mining And Manufacturing Company | Method for making stretched surface recording disk |
| US4623570A (en) * | 1985-03-14 | 1986-11-18 | Minnesota Mining And Manufacturing Company | Stable stretched surface recording medium |
| US4729805A (en) * | 1985-03-14 | 1988-03-08 | Minnesota Mining And Manufacturing Company | Recording medium annealing process |
| USRE33187E (en) * | 1985-03-14 | 1990-03-27 | Minnesota Mining And Manufacturing Company | Stable stretched surface recording medium |
| USRE34765E (en) * | 1985-03-14 | 1994-10-25 | Minnesota Mining And Manufacturing Company | Recording medium annealing process |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4960704A (cs) | 1974-06-12 |
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