JPS54143601A - High packing density disk information carrier - Google Patents
High packing density disk information carrierInfo
- Publication number
- JPS54143601A JPS54143601A JP3845179A JP3845179A JPS54143601A JP S54143601 A JPS54143601 A JP S54143601A JP 3845179 A JP3845179 A JP 3845179A JP 3845179 A JP3845179 A JP 3845179A JP S54143601 A JPS54143601 A JP S54143601A
- Authority
- JP
- Japan
- Prior art keywords
- information carrier
- packing density
- disk information
- high packing
- density 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
- G11B3/68—Record carriers
- G11B3/70—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers
- G11B3/705—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers characterised by the selection of the material only
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/32—Composite [nonstructural laminate] of inorganic material having metal-compound-containing layer and having defined magnetic layer
- Y10T428/325—Magnetic layer next to second metal compound-containing layer
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2818490A DE2818490C3 (de) | 1978-04-27 | 1978-04-27 | Preßmasse für die Herstellung formstarrer, scheibenförmiger Informationsträger |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54143601A true JPS54143601A (en) | 1979-11-09 |
Family
ID=6038152
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3845179A Pending JPS54143601A (en) | 1978-04-27 | 1979-04-02 | High packing density disk information carrier |
Country Status (3)
Country | Link |
---|---|
US (1) | US4515843A (ja) |
JP (1) | JPS54143601A (ja) |
DE (1) | DE2818490C3 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4808642A (en) * | 1985-04-26 | 1989-02-28 | Takiron Co., Ltd. | Chlorine-containing resin molding and material for use therewith |
KR20010073183A (ko) * | 1999-07-27 | 2001-07-31 | 하기와라 가쯔하루 | 레코드반의 제조 방법 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE944398C (de) * | 1952-07-10 | 1956-06-14 | Wacker Chemie Gmbh | Verfahren zur Herstellung von Schallplatten, Tonbaendern u. dgl. |
DE976769C (de) * | 1953-12-29 | 1965-09-23 | Licentia Gmbh | Schallplattenmasse |
DE1079339B (de) * | 1957-08-01 | 1960-04-07 | Leuna Werke Iawalter Ulbrichti | Verfahren zur Herstellung von Schallplatten |
US4037253A (en) * | 1974-06-11 | 1977-07-19 | Matsushita Electric Industrial Co., Ltd. | Pressure sensitive signal reproducing system for a videodisc |
DE2432406B2 (de) * | 1974-07-05 | 1976-12-30 | Polygram Gmbh, 2000 Hamburg | Schallplattenmasse |
DE2540654A1 (de) * | 1975-09-12 | 1977-03-17 | Hoechst Ag | Kunststoffolie zur herstellung von bild-ton-informationstraegern |
DE2545445C3 (de) * | 1975-10-10 | 1980-11-20 | Ted Bildplatten Ag Aeg-Telefunken- Teldec, Zug (Schweiz) | Aufzeichnungsträger mit antistatisch wirkender Gleitmittelschicht und Verfahren zur Beschichtung des Aufzeichnungsträgers |
-
1978
- 1978-04-27 DE DE2818490A patent/DE2818490C3/de not_active Expired
-
1979
- 1979-04-02 JP JP3845179A patent/JPS54143601A/ja active Pending
- 1979-04-23 US US06/032,480 patent/US4515843A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE2818490B2 (ja) | 1980-08-14 |
US4515843A (en) | 1985-05-07 |
DE2818490A1 (de) | 1979-10-31 |
DE2818490C3 (de) | 1985-06-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5555448A (en) | Record carrier | |
GB2026225B (en) | Magnetic data carrier for perpendicular recording | |
JPS5528600A (en) | Disk type record carrier reading device | |
DE3166507D1 (en) | Sealed magnetic disk data storage file | |
JPS5589923A (en) | Disktype record carrier reader | |
AU527223B2 (en) | Record carrier | |
JPS5534386A (en) | Package for record disk | |
DE3165303D1 (en) | Magnetic record carrier | |
JPS56137531A (en) | Recording carrier | |
JPS54115203A (en) | Information recording medium | |
GB2043698B (en) | Thermomagnetic record carrier | |
AU526148B2 (en) | Record carrier | |
GB2023257B (en) | Mounting data storage discs | |
JPS54151013A (en) | Information carrier disk player | |
GB2015930B (en) | Magnetic information carrier | |
JPS5373114A (en) | Recoder reproducer for banddshaped recording carrier | |
GB2017380A (en) | Record disc arrangements | |
AU529867B2 (en) | Reading a disc shaped record carrier | |
GB2034957B (en) | Information recording medium | |
JPS54130112A (en) | High packing density digital magnetic data memory | |
JPS54124708A (en) | Magnetic record medium | |
GB2030345B (en) | Recording tape carrier | |
JPS54124707A (en) | Magnetic record medium | |
JPS5781260A (en) | Recording carrier having large information density recording | |
JPS55110238A (en) | Producing graph carrier having high information density graph |