CN1472735A - Non-hole disc for storaging and reading data - Google Patents
Non-hole disc for storaging and reading data Download PDFInfo
- Publication number
- CN1472735A CN1472735A CNA031377351A CN03137735A CN1472735A CN 1472735 A CN1472735 A CN 1472735A CN A031377351 A CNA031377351 A CN A031377351A CN 03137735 A CN03137735 A CN 03137735A CN 1472735 A CN1472735 A CN 1472735A
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- optical disc
- disc
- hole optical
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/24003—Shapes of record carriers other than disc shape
- G11B7/24012—Optical cards
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- Optical Recording Or Reproduction (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Abstract
The disc comprises base layer, covering layer and information recording layer as they are laminated to each other in certain sequence. The information recording layer consists of leading-out zone, data zone and leading-in zone or can be totally data layer. The data zone is carved with round shape signal locus or spiral shape signal locus which is closely arranged. The hole-free disc includes also decoration zone located at disc periphery in square, round or any other geometric shape. The material of peripheral part at disc centre can be the same with material of the other part in disc or can be different.
Description
Technical field the present invention relates to a kind of non-hole optical disc that is used for data storage and reads, and belongs to the high-density digital field of optical storage technology, particularly the portable light memory technology.
The background technology optical disc storage is one of main means of high density information storage.CD drive is optical disc storage and a fetch equipment common and the most commonly used.CD drive can be by optical system, Mechatronic Systems and Circuits System wherein, with the numerical information that is stored in the CD, by the decoding and the reproduction of software and hardware, and by outlet terminal output, and the processing of numerical information by software and hardware recorded in the CD.
With existing 80mm optical disk is example, and its radial structure can see that CD is made up of basalis 6, Information Level (mainly being made up of zone of transition 2, Lead-In Area 3, data field 4, leading-out zone 5 etc.), overlayer 7 as shown in Figure 1.In the Information Level of CD, all can not be used for recorded information from the disc center to diameter 44mm, and can only be used for the clamping of CD, fixing and transition.Have only zone can be used for the storage of data message from diameter 44mm to diameter 78mm.The area of data storage areas only accounts for 64.8% of the optical disk total area.
As shown in Figure 1, for any existing 80mm optical disk, from the center of disc to diameter 44mm, according to different effects, can be divided into several regions, comprise center pit 1 (diameter is 15mm) and zone of transition 2, wherein, zone of transition comprises: and first zone of transition (diameter 15mm～16mm), second zone of transition (diameter 16mm～22mm), clamp area (diameter 22mm～33mm), the 3rd zone of transition (diameter 33mm～44mm).Finishing (diameter is 44mm) outward flange (diameter 77mm) to optical disk from the 3rd zone of transition, is the block of information of CD.And according to different effects, the block of information of CD also is divided into three zones further, i.e. Lead-In Area 3 (diameter 44.6mm～48mm), data field 4 (diameter 48mm～76mm) and leading-out zone 5 (diameter 76mm～77mm).Essential record has control information, published information, content of copyright of CD or the like in Lead-In Area; In the data field, can store and write down various user data; Leading-out zone is the zone that guarantees that CD can continuously smooth ground sense data.Outermost edge from the leading-out zone to the CD (diameter 80mm) then is not considered as data storage or other purposes.
As can be seen from Figure 1, traditional porose CD since consider disc clamping, fix, read transition, read transition or the like problem, the hole that must to possess an international standard at the center of disc be diameter 15mm, and be various zone of transition and clamp area around this hole.Even and, also need further to be divided into Lead-In Area, data field and leading-out zone in inside, effective information district.Therefore, real active data district only from diameter 48mm to diameter 76mm, the area of disc has only 54.25% storage that is used for user data, memory capacity is wasted greatly.
Summary of the invention the objective of the invention is to propose a kind of non-hole optical disc that is used for data storage and reads, by changing the structure of disc, make full use of data storage areas near the disc center, thereby increase substantially the capacity of existing disc, fully to satisfy the requirement of user to the memory capacity of storage medium.
A kind of non-hole optical disc that is used for data storage and reads of the present invention's design comprises basalis, overcoat and information recording layer, and described basalis, information recording layer and overcoat overlap together successively mutually.
In the above-mentioned non-hole optical disc, described information recording layer therefrom is followed successively by leading-out zone, data field and Lead-In Area in mind-set garden week, also can Lead-In Area, data field and leading-out zone.
Information recording layer described in the above-mentioned non-hole optical disc can all be a data record layer also.
The outside dimension of above-mentioned non-hole optical disc is 5mm～120mm; Thickness is 0.2mm～3mm; Wherein tectal thickness is 0.01mm～3mm.
The circular information track or the spirality information track of closely arranging is carved with in the data field of above-mentioned non-hole optical disc.
Above-mentioned non-hole optical disc can also comprise ornamental area, and described ornamental area is located at the CD periphery, and ornamental area can be square, circular or other any geometric configuration.
The material of the periphery of above-mentioned non-hole optical disc rotation center is identical with the material of CD other parts, or different.
The non-hole optical disc that is used for data storage and reads that the present invention proposes, without any the hole, the Zone Full of whole Zhang Guangpan may be used to data storage in CD.But this non-hole optical disc can be read-only optical disc CD-WORM, the CD that is used for data storage and reads such as rewritable disk repeatedly.Because the non-hole optical disc that the present invention proposes has increased the optical disc data storage area, therefore has bigger memory capacity.
This non-hole optical disc that is used for data storage and reads that the present invention proposes, the optical information that goes for the normal optical disk driver is picked up/pen recorder or other information pickup/recording mechanisms.
Because this non-hole optical disc that is used for data storage and reads that the present invention proposes, can be under the prerequisite that realizes same data storage capacity, possesses more small CD area, therefore also have enough storage development potentialities, for example, but the non-hole optical disc that the littler capacity of area is enough, can be applicable to other individual digital portable consumer electronic products, as mobile phone, PDA, walkman, see with oneself, E-Book or the like, become these product high-efficiency reliable external memory means, thereby occupy more wide consumer electronics market.
The CD of the present invention design, its structure, data recording process and mode, data reproduction process and mode are applicable to CD and other any CDs with data storage and read functions of any existing international standard.
Description of drawings
Fig. 1 is the profile diagrammatic cross-section of existing normal optical disk.
Fig. 2 is the profile diagrammatic cross-section of the non-hole optical disc that designs of the present invention.
Fig. 3 to Fig. 9 is the structural representation of embodiments of the invention.
Among Fig. 1～Fig. 9, the 1st, pilot hole, the 2nd, zone of transition, the 3rd, Lead-In Area, the 4th, data field, the 5th, leading-out zone, the 6th, basalis, the 7th, overcoat, the 8th, concentric circular tracks, the 9th, spiral tracks, the 10th, the ornamental area in the disc, the 11st, the block of information in the disc, the 12nd, the periphery of CD rotation center, H1 are tectal thickness, and H2 is the gross thickness of disc, D1 is the external diameter of disc, and D2 is the external diameter of CD rotation center periphery.
Embodiment
A kind of non-hole optical disc that is used for data storage and reads of the present invention's design as shown in Figure 1, comprises basalis 6, overcoat 7 and information recording layer, and described basalis 6, information recording layer and overcoat 7 overlap together successively mutually.Described information recording layer therefrom is followed successively by leading-out zone 5, data field 4 and Lead-In Area 3 mind-set garden week, also therefrom is followed successively by Lead-In Area 3, data field 4 and leading-out zone 5 mind-set garden week, as shown in Figure 3.
Information recording layer described in the above-mentioned non-hole optical disc can all be a data record layer also, as shown in Figure 4.
The outer diameter D 1 of above-mentioned non-hole optical disc is 5mm～120mm; Thickness H2 is 0.2mm～3mm; Wherein tectal thickness H1 is 0.01mm～3mm.
The circular information track or the spirality information track of closely arranging is carved with in the data field of above-mentioned non-hole optical disc, as shown in Figure 5 and Figure 6.
Above-mentioned non-hole optical disc can also comprise ornamental area, and described ornamental area is located at the CD periphery, and ornamental area can be square, as shown in Figure 7; Circle or other any geometric configuration Figure 8 shows that heart.
The material of the periphery of above-mentioned non-hole optical disc rotation center is identical with the material of CD other parts, or different.The material of non-hole optical disc rotation center shown in Figure 9 is different with the material of CD other parts.
Non-hole optical disc of the present invention as shown in Figure 2, from the center of disc to outward flange, no longer divide such as center pit, zone of transition, clamp area etc. be used for that disc is fixed, the zone of clamping and transition.To the outward flange (diameter 77mm) of CD, all is the block of information of CD from the center of disc.
Optical disc information district shown in Figure 2 also is divided into three zones further according to different effects, to outward flange, is followed successively by leading-out zone 5, data field 4 and Lead-In Area 3 from the center of CD.Equally, control information that can recording disk in Lead-In Area, published information, content of copyright or the like; In the data field, can store and write down various user data; Leading-out zone is the zone that guarantees that CD can continuously smooth ground sense data.
Outermost edge from the Lead-In Area to the CD (diameter 80mm) is not considered as data storage yet, but can be used as other purposes, as fixing and clamping or the like of disc.
As can be seen from Figure 2, since the non-hole optical disc that the present invention proposes no longer consider at the center of disc disc clamping, fix, read transition, read problem such as transition, therefore no longer need any hole in the disc, and the various zone of transition and the clamp area that center on this hole.Begin to be used as the effective information district from the disc center up to the disc edge.Consider in inside, effective information district, the division of Lead-In Area, data field and leading-out zone is also arranged, wherein the scope of data field at least can be from diameter 5mm to diameter 76mm, and therefore, the disc area has at least 89.86% to be the real active data district that can be used for storage of subscriber data.As seen comparison diagram 2 and Fig. 1 adopt the CD of atresia, and its memory capacity can be greatly improved.
Obviously, disc structure shown in Figure 2 can be applied to any existing CD.As be applied in the CD standard optical disc, single face memory capacity can improve 65% from original 650MB, reaches 1.07GB; And be applied in the dvd standard CD, single face memory capacity then can improve 65% from original 4.7GB, reaches 7.75GB.
CD as shown in Figure 2 owing to be Lead-In Area in the outermost edge of CD, is a leading-out zone at the inner ring of CD, so data write or read to inner ring from outermost.
Fig. 2 also shows the disc structure of non-hole optical disc: disc is made up of basalis 6, Information Level (mainly being made up of Lead-In Area 3, data field 4, leading-out zone 5 etc.) and overlayer 7.
According to different applications, the disc thickness of this non-hole optical disc that the present invention proposes can be between 0.2mm～3mm, for example 1.2mm; The outside dimension of disc between 5mm～120mm, 78mm for example; Tectal thickness between 0.01mm～3mm, 0.6mm for example.Because the embodiment of non-hole optical disc has the structure of non-hole optical disc illustrated in fig. 2, therefore in Fig. 5 and the described embodiment of Fig. 6, no longer specify below.
Fig. 5 is the distribution schematic diagram of a kind of circular information track of non-hole optical disc of the present invention.As shown in the figure, in the Information Level of the non-hole optical disc that the present invention proposes, the information track in Lead-In Area, data field, the leading-out zone is to be the different concentric circular tracks 8 of countless diameters in the center of circle with the disc center.All data information memory are on these circular information tracks.
Fig. 6 is the distribution schematic diagram of a kind of spirality information track of non-hole optical disc.As shown in the figure, in the Information Level of the non-hole optical disc that the present invention proposes, the information track in Lead-In Area, data field, the leading-out zone is the spiral tracks 9 of closely arranging.All data information memory are on these spiral information tracks.
In one embodiment of the present of invention shown in Figure 3, be leading-out zone 5 in the outermost edge of CD, be Lead-In Area 3 at the inner ring of CD, between Lead-In Area and the leading-out zone data field 4, data write or read to outermost from inner ring.And in embodiments of the invention shown in Figure 4, do not have Lead-In Area and leading-out zone in the CD, and have only data field 4, data can write or read to inner ring from outermost, also can write or read to outermost from inner ring.As can be seen from Figure 4, because no longer include any hole in the present embodiment, around various zone of transition and clamp area, Lead-In Area and the leading-out zone in hole, therefore the scope of data field at least can be from diameter 1mm to diameter 76mm in the disc, therefore, the disc area has 90.23% storage that can be used for user data at least, be real active data district, memory capacity can be further improved.
Obviously, disc structure shown in Figure 4 also can be applied to any existing CD.As be applied in the CD standard optical disc, single face memory capacity can improve 66.2% from original 650MB, reaches 1.08GB; And be applied in the dvd standard CD, single face memory capacity then can improve 66.2% from original 4.7GB, reaches 7.81GB.
The profile that Figure 7 shows that non-hole optical disc of the present invention is an embodiment of rectangle.As shown in the figure, the profile of the non-hole optical disc among this embodiment is a rectangle, and wherein, zone 10 is the ornamental area in the disc, and zone 11 is the interblock in the disc.
The profile that Figure 8 shows that non-hole optical disc of the present invention is an embodiment of arbitrary shape.As shown in the figure, it is heart-shaped that the profile of the non-hole optical disc among this embodiment is approximately, and wherein, zone 10 is the ornamental area in the disc, and zone 11 is the interblock in the disc.
The material of non-hole optical disc rotation center periphery of the present invention, identical with the material of CD other parts as shown in Figure 9, or different.Wherein, zone 12 is the periphery of CD rotation center.According to different application, the material of CD rotation center periphery does not limit (as being magnetic material, metal material etc.), distributed areas not to limit (D2 gets final product, and is 80mm as the disc external diameter, and then D2 can be 10mm) in reasonable range.The material of CD rotation center periphery is different with CD other parts material, can be used for other purposes such as disc is located, disc is false proof.
Claims (9)
1, a kind of non-hole optical disc that is used for data storage and reads comprises basalis, overcoat and information recording layer, and described basalis, information recording layer and overcoat overlap together successively mutually.
2, non-hole optical disc as claimed in claim 1 it is characterized in that wherein said information recording layer therefrom is followed successively by leading-out zone, data field and Lead-In Area in mind-set garden week, or therefrom mind-set garden week is followed successively by Lead-In Area, data field and leading-out zone.
3, non-hole optical disc as claimed in claim 1 is characterized in that wherein said information recording layer is a data record layer.
4, non-hole optical disc as claimed in claim 1, the outside dimension that it is characterized in that described CD is 5mm～120mm.
5, non-hole optical disc as claimed in claim 1, the thickness that it is characterized in that described CD is 0.2mm～3mm.
6, non-hole optical disc as claimed in claim 1 is characterized in that described tectal thickness is 0.01mm～3mm.
7, non-hole optical disc as claimed in claim 2 is characterized in that wherein said data field is carved with the circular information track or the spirality information track of closely arranging.
8, non-hole optical disc as claimed in claim 1 is characterized in that this CD also comprises ornamental area, and described ornamental area is located at the CD periphery, and ornamental area is square, circular or other any geometric configuration.
9, non-hole optical disc as claimed in claim 1 is characterized in that the material of the material of periphery of this CD rotation center and CD other parts is identical or different.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03137735 CN1227658C (en) | 2003-06-23 | 2003-06-23 | Non-hole disc for storaging and reading data |
| PCT/CN2004/000676 WO2004114293A1 (en) | 2003-06-23 | 2004-06-23 | A non-hole optical disc for data storage and reading |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03137735 CN1227658C (en) | 2003-06-23 | 2003-06-23 | Non-hole disc for storaging and reading data |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1472735A true CN1472735A (en) | 2004-02-04 |
| CN1227658C CN1227658C (en) | 2005-11-16 |
Family
ID=30122926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03137735 Expired - Fee Related CN1227658C (en) | 2003-06-23 | 2003-06-23 | Non-hole disc for storaging and reading data |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1227658C (en) |
| WO (1) | WO2004114293A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101197142B (en) * | 2004-02-28 | 2010-09-22 | 三星电子株式会社 | Device for recording data on information storage medium |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001006210A (en) * | 1999-06-22 | 2001-01-12 | Sony Corp | Optical recording medium and disk cartridge |
| CN1393857A (en) * | 2001-06-21 | 2003-01-29 | 清华大学光盘国家工程研究中心 | Non-hole optical disc |
| JP2003059124A (en) * | 2001-08-10 | 2003-02-28 | Tdk Corp | Method of manufacturing optical disk |
| JP2003141776A (en) * | 2001-11-06 | 2003-05-16 | Tdk Corp | Optical disk and optical disk chucking method |
-
2003
- 2003-06-23 CN CN 03137735 patent/CN1227658C/en not_active Expired - Fee Related
-
2004
- 2004-06-23 WO PCT/CN2004/000676 patent/WO2004114293A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101197142B (en) * | 2004-02-28 | 2010-09-22 | 三星电子株式会社 | Device for recording data on information storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2004114293A1 (en) | 2004-12-29 |
| WO2004114293A8 (en) | 2005-02-17 |
| CN1227658C (en) | 2005-11-16 |
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