GB1568510A - Information-storage media - Google Patents
Information-storage media Download PDFInfo
- Publication number
- GB1568510A GB1568510A GB10598/76A GB1059876A GB1568510A GB 1568510 A GB1568510 A GB 1568510A GB 10598/76 A GB10598/76 A GB 10598/76A GB 1059876 A GB1059876 A GB 1059876A GB 1568510 A GB1568510 A GB 1568510A
- Authority
- GB
- United Kingdom
- Prior art keywords
- coating
- magnetic
- masking
- layer
- information
- 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 claims description 113
- 239000011248 coating agent Substances 0.000 claims description 112
- 230000005291 magnetic effect Effects 0.000 claims description 57
- 230000000873 masking effect Effects 0.000 claims description 40
- 239000011230 binding agent Substances 0.000 claims description 31
- 239000010410 layer Substances 0.000 claims description 28
- 239000007788 liquid Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 239000002904 solvent Substances 0.000 claims description 10
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000011241 protective layer Substances 0.000 claims description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000006249 magnetic particle Substances 0.000 claims description 4
- 150000002148 esters Chemical class 0.000 claims description 3
- 150000002576 ketones Chemical class 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 claims description 2
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 claims description 2
- 239000003431 cross linking reagent Substances 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- -1 for example Substances 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000011253 protective coating Substances 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- 239000012463 white pigment Substances 0.000 claims description 2
- 239000000758 substrate Substances 0.000 description 8
- UCNNJGDEJXIUCC-UHFFFAOYSA-L hydroxy(oxo)iron;iron Chemical compound [Fe].O[Fe]=O.O[Fe]=O UCNNJGDEJXIUCC-UHFFFAOYSA-L 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/38—Visual features other than those contained in record tracks or represented by sprocket holes the visual signals being auxiliary signals
- G11B23/40—Identifying or analogous means applied to or incorporated in the record carrier and not intended for visual display simultaneously with the playing-back of the record carrier, e.g. label, leader, photograph
-
- 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/72—Protective coatings, e.g. anti-static or antifriction
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/06187—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with magnetically detectable marking
- G06K19/06196—Constructional details
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
-
- 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
-
- 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
- G11B5/80—Card carriers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Magnetic Record Carriers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Paints Or Removers (AREA)
- Credit Cards Or The Like (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB10598/76A GB1568510A (en) | 1977-03-04 | 1977-03-04 | Information-storage media |
| DE19772710202 DE2710202A1 (de) | 1977-03-04 | 1977-03-09 | Mittel zur speicherung von informationen und verfahren zu dessen herstellung |
| BE175840A BE852532A (fr) | 1977-03-04 | 1977-03-16 | Perfectionnements relatifs aux vehicules de conservation d'information |
| FR7707865A FR2344919A1 (fr) | 1977-03-04 | 1977-03-16 | Perfectionnements relatifs aux vehicules de conservation d'information |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB10598/76A GB1568510A (en) | 1977-03-04 | 1977-03-04 | Information-storage media |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1568510A true GB1568510A (en) | 1980-05-29 |
Family
ID=9970797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB10598/76A Expired GB1568510A (en) | 1977-03-04 | 1977-03-04 | Information-storage media |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE852532A (US07494231-20090224-C00006.png) |
| DE (1) | DE2710202A1 (US07494231-20090224-C00006.png) |
| FR (1) | FR2344919A1 (US07494231-20090224-C00006.png) |
| GB (1) | GB1568510A (US07494231-20090224-C00006.png) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2195270A (en) * | 1986-08-22 | 1988-04-07 | Plessey Co Plc | Marking of articles with photochromic compounds |
| GB2243139A (en) * | 1990-03-21 | 1991-10-23 | Adhesive Materials Ltd | Tamper-proof labels |
| EP1239307A1 (en) * | 2001-03-09 | 2002-09-11 | Sicpa Holding S.A. | Magnetic thin film interference device |
| WO2003102926A1 (en) * | 2002-05-29 | 2003-12-11 | Arjo Wiggins Limited | Multi-layer sheet product |
| US7056861B2 (en) | 2000-06-02 | 2006-06-06 | Wolfgang Bossert | Flat material especially in the form of a sheet or a strip and device for writing on said material |
| DE10027574B4 (de) * | 2000-06-02 | 2012-11-22 | Wolfgang Bossert | Flächiges Material, insbesondere als blattförmiger Bogen oder Bahn |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2438420A1 (fr) * | 1978-10-12 | 1980-05-09 | Porcher Alain | Procede d'identification d'animaux ou d'objets et moyens pour sa mise en oeuvre |
| EP0071933A1 (en) * | 1981-08-03 | 1983-02-16 | E.I. Du Pont De Nemours And Company | Identification member |
| DE3422908C2 (de) * | 1984-06-20 | 1986-04-30 | Leonhard Kurz GmbH & Co, 8510 Fürth | Prägefolie, insbesondere Heißprägefolie, mit einer beschreibbaren Oberfläche |
| DE3422911C1 (de) * | 1984-06-20 | 1985-09-05 | Leonhard Kurz GmbH & Co, 8510 Fürth | Praegefolie,insbesondere Heisspraegefolie,mit einer Magnetschicht |
| US4838648A (en) * | 1988-05-03 | 1989-06-13 | Optical Coating Laboratory, Inc. | Thin film structure having magnetic and color shifting properties |
-
1977
- 1977-03-04 GB GB10598/76A patent/GB1568510A/en not_active Expired
- 1977-03-09 DE DE19772710202 patent/DE2710202A1/de not_active Withdrawn
- 1977-03-16 FR FR7707865A patent/FR2344919A1/fr active Granted
- 1977-03-16 BE BE175840A patent/BE852532A/xx unknown
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2195270A (en) * | 1986-08-22 | 1988-04-07 | Plessey Co Plc | Marking of articles with photochromic compounds |
| US4927180A (en) * | 1986-08-22 | 1990-05-22 | Plessey Overseas Limited | Marking of articles with photochromic compounds |
| GB2195270B (en) * | 1986-08-22 | 1990-05-23 | Plessey Co Plc | Marking of articles with photochromic compounds |
| GB2243139A (en) * | 1990-03-21 | 1991-10-23 | Adhesive Materials Ltd | Tamper-proof labels |
| US7056861B2 (en) | 2000-06-02 | 2006-06-06 | Wolfgang Bossert | Flat material especially in the form of a sheet or a strip and device for writing on said material |
| DE10027574B4 (de) * | 2000-06-02 | 2012-11-22 | Wolfgang Bossert | Flächiges Material, insbesondere als blattförmiger Bogen oder Bahn |
| EP1239307A1 (en) * | 2001-03-09 | 2002-09-11 | Sicpa Holding S.A. | Magnetic thin film interference device |
| WO2002073250A2 (en) * | 2001-03-09 | 2002-09-19 | Sicpa Holding S.A. | Magnetic thin film interference device or pigment and method of making it, printing ink or coating composition, security document and use of such a magnetic thin film interference device |
| WO2002073250A3 (en) * | 2001-03-09 | 2003-04-24 | Sicpa Holding Sa | Magnetic thin film interference device or pigment and method of making it, printing ink or coating composition, security document and use of such a magnetic thin film interference device |
| EA005456B1 (ru) * | 2001-03-09 | 2005-02-24 | Сикпа Холдинг С.А. | Магнитное тонкоплёночное интерференционное средство или пигмент и способ их изготовления, печатная краска или покрывной композиционный материал, ценная бумага и применение такого магнитного тонкоплёночного интерференционного средства |
| AU2002250945B2 (en) * | 2001-03-09 | 2006-11-16 | Sicpa Holding Sa | Magnetic thin film interference device or pigment and method of making it, printing ink or coating composition, security document and use of such a magnetic thin film interference device |
| WO2003102926A1 (en) * | 2002-05-29 | 2003-12-11 | Arjo Wiggins Limited | Multi-layer sheet product |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2344919A1 (fr) | 1977-10-14 |
| DE2710202A1 (de) | 1977-09-29 |
| BE852532A (fr) | 1977-09-16 |
| FR2344919B3 (US07494231-20090224-C00006.png) | 1980-02-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |