CN2550876Y - Structure of super thin type digital laser video disc - Google Patents
Structure of super thin type digital laser video disc Download PDFInfo
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- CN2550876Y CN2550876Y CN02242004U CN02242004U CN2550876Y CN 2550876 Y CN2550876 Y CN 2550876Y CN 02242004 U CN02242004 U CN 02242004U CN 02242004 U CN02242004 U CN 02242004U CN 2550876 Y CN2550876 Y CN 2550876Y
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Abstract
The utility model relates to the structure of an ultrathin digital laser disc, which is suitable for a single-sided monolayer disc or a single-sided dual layer disc. The thickness of the clamping part of the disc is between 0.7 mm to 1.3 mm, and the thickness of the information par of the disc is 0.6 mm, enabling the disc to be lighter and thinner.
Description
Technical field
The utility model relates to the structure of a kind of ultrathin Video CD (Slim DigitalVersatile Disk, Slim DVD), and particularly relevant for a kind of single-surface single-layer or the ultrathin Video CD structure of single-surface double-layer.
Background technology
Disc since have storage volume big, preserve easily, storage life limit for length, with low cost, be difficult for advantage such as infringement with data, replace generally traditional magnetic Storage Media at present gradually and become one of indispensable medium of modern.Because the manufacturing technology and the multimedia video compress technique of laser photoelectricity product are increasingly mature, the developing direction of following light memory medium is all towards high power capacity, small size development, so the big Video CD of storage volume becomes the main flow in market gradually.Common on the market Video CD product can slightly be divided into prerecorded DVD and two kinds of kenels of recordable type DVD, wherein, prerecorded DVD can be divided into kenels such as DVD-5, DVD-9, DVD-10, DVD-18, and recordable type DVD can be divided into kenels such as DVD-R, DVD-RW, DVD-RAM.
Figure 1A to Fig. 1 D is the structural profile synoptic diagram of four kinds of prerecorded DVD.At first please refer to Figure 1A, the DVD-5 disc is made of substrate 100, pre-record layer 102, reflection horizon 104, cementing layer 106 and cover plate 108.The making of general DVD-5, one substrate 100 and a cover plate 108 at first are provided, each tool one center pit on substrate 100 and the cover plate 108, the layer 102 of then will pre-recording is made on the substrate 100 with reflection horizon 104, afterwards substrate 100 is glued together by cementing layer 106 and cover plate 108, the center pit on gummed metacoxal plate 100 and the cover plate 108 can contraposition form a perforate 110.Therefore, DVD-5 is the structure of a single-surface single-layer, and its capacity is about 4.7GB.
Then please refer to Figure 1B, the DVD-10 disc mainly be by substrate 200, pre-record the layer 202, reflection horizon 204, cementing layer 206, reflection horizon 208, pre-record the layer 210 and substrate 212 constituted.The making of general DVD-10, two substrates 200,212 at first is provided, each tool one center pit on the two substrates 200,212, the layer 202 of then will pre-recording is made on the substrate 200 with reflection horizon 204, and the layer 210 of will pre-recording is made on the substrate 212 with reflection horizon 208, afterwards substrate 200 is glued together by cementing layer 206 and substrate 212, the center pit on gummed metacoxal plate 200 and the substrate 212 can contraposition form a perforate 214.Therefore, DVD-10 is the structure of a two-sided individual layer, and its capacity is about 9.4GB.
Then please refer to Fig. 1 C, the DVD-9 disc mainly is made of substrate 300, the layer 302 of pre-recording, semi-reflective layer 304, pre-record layer 306, reflection horizon 308, cementing layer 310 and cover plate 312.The making of general DVD-9, one substrate 300 and a cover plate 312 at first are provided, each tool one center pit on substrate 300 and the cover plate 312, then will pre-record the layer 302, semi-reflective layer 304, pre-record the layer 306 and reflection horizon 308 be made on the substrate 300, afterwards substrate 300 is glued together by cementing layer 310 and cover plate 312, the center pit on gummed metacoxal plate 300 and the cover plate 312 can contraposition form a perforate 314.Therefore, DVD-9 is the structure of a single-surface double-layer, and its capacity is about 8.5GB.
Then please refer to Fig. 1 D, the DVD-18 disc mainly by substrate 400, pre-record the layer 402, semi-reflective layer 404, pre-record the layer 406, reflection horizon 408, cementing layer 410, reflection horizon 412, pre-record the layer 414, semi-reflective layer 416, pre-record the layer 418 and substrate 420 constituted.The making of general DVD-18, two substrates 400,420 at first is provided, each tool one center pit on the two substrates 400,420, then will pre-record the layer 402, semi-reflective layer 404, pre-record the layer 406 and reflection horizon 408 be made on the substrate 400, and will pre-record the layer 418, semi-reflective layer 416, pre-record the layer 414 and reflection horizon 412 be made in substrate 420, afterwards substrate 400 is glued together by cementing layer 410 and cover plate 420, gummed metacoxal plate 400 can corresponding formation one perforate 422 with the center pit on the substrate 420.Therefore, DVD-18 is a two-sided structure of two layers, and its capacity is about 17GB.
Fig. 2 is the structural profile synoptic diagram of recordable type DVD.Please refer to Fig. 2, recordable type DVD mainly is made of substrate 500, recording layer 502, reflection horizon 504, cementing layer 506 and cover plate 508.The making of general record type DVD, one substrate 500 and a cover plate 508 at first are provided, each tool one center pit on substrate 500 and the cover plate 508, then recording layer 502 and reflection horizon 504 are made on the substrate 500, afterwards substrate 500 is glued together by cementing layer 506 and cover plate 508, the center pit on gummed metacoxal plate 500 and the cover plate 508 can contraposition form a perforate 510.
Recordable type DVD can slightly be divided into kenels such as DVD-R, DVD-RW and DVD-RAM.Wherein, DVD-R is a recordable type disc, and its structure and DVD-5 are similar, and capacity is 4.7GB, and only the difference part is to dispose between substrate 500 and the reflection horizon 504 is a recording layer 502 but not the layer of pre-recording.DVD-RW is the disc of rewritable, its manifolding number of times up to 1,000 time about, its capacity is all 4.7GB.Structure and the DVD-R of DVD-RW are similar, and only the difference part is the material of its recording layer 502, and it is the unitized construction of trilamellar membrane.And DVD-RAM also is the disc of rewritable, its manifolding number of times up to 100,000 times about, its structure and DVD-RW are similar, thought difference part is that the material of its recording layer 502 is different with the rete number.
In sum, known DVD-5, DVD-9 and recordable type DVD must be made of a substrate and a cover plate gummed that contains information, and the thickness of substrate and cover plate is restriction to some extent also, under the standard specification, both thickness are all 0.6 millimeter (being that gross thickness is 1.2 millimeters), and it can't be in response to present light memory medium towards more compact trend.
The utility model content
Therefore, the purpose of this utility model just provides a kind of structure of ultrathin Video CD, and it is applicable on the disc of single-surface single-layer or single-surface double-layer structure, and makes the thickness of disc can be more frivolous, and manufacturing cost is reduced further.
For reaching above-mentioned purpose of the present utility model, the utility model proposes a kind of structure of ultrathin Video CD, this disc comprises a substrate, an Information Level and a reflection horizon at least.Wherein, substrate comprises a clamping part and an information portion; clamping part has a perforate; and the thickness of clamping part is greater than the thickness of information portion; dispose Information Level, reflection horizon on the information portion; and above Information Level, reflection horizon a for example configurable protective seam, to constitute a ultrathin single-surface single-layer DVD structure.In addition, except Information Level, reflection horizon and protective seam, more can between Information Level and reflection horizon, dispose a semi-reflective layer and one second Information Level on the information portion, to constitute a ultrathin single-surface double-layer DVD structure.Wherein, the thickness of clamping part is for example between 0.7～1.3 millimeter, and its diameter for example is 3 centimetres.The thickness of information portion for example is 0.6 millimeter, and Information Level for example is pre-record a layer or a recording layer, and second Information Level for example is the layer of pre-recording.
For reaching above-mentioned purpose of the present utility model, the utility model proposes a kind of structure of ultrathin Video CD, this disc comprises a substrate, a paster, a cementing layer, an Information Level and a reflection horizon at least.Wherein, substrate comprises a gummed portion and an information portion, and paster is attached to gummed portion top by cementing layer, and gummed portion and paster constitute a clamping part, and tool one perforate on the clamping part.Dispose Information Level, reflection horizon on the information portion, and above Information Level, reflection horizon a for example configurable protective seam, to constitute a ultrathin single-surface single-layer DVD structure.In addition, except Information Level, reflection horizon and protective seam, more can between Information Level and reflection horizon, dispose a semi-reflective layer and one second Information Level on the information portion, to constitute a ultrathin single-surface double-layer DVD structure.Wherein, the thickness of clamping part is for example between 0.7～1.3 millimeter, and its diameter for example is 3 centimetres.The thickness of information portion for example is 0.6 millimeter, and Information Level for example is pre-record a layer or a recording layer, and second Information Level for example is the layer of pre-recording.
Description of drawings
Figure 1A to Fig. 1 D is the structural profile synoptic diagram of known four kinds of prerecorded DVD;
Fig. 2 is the structural profile synoptic diagram of known recordable type DVD;
Fig. 3 is the structural profile synoptic diagram according to the utility model one Ultrathin DVD that preferred embodiment is painted;
Fig. 4 A is the amplification profile synoptic diagram at scope A place among Fig. 3, and it shows the individual layer single-sided structure especially;
Fig. 4 B is the amplification profile synoptic diagram at scope A place among Fig. 3, and it shows the two-sided structure of individual layer especially;
Fig. 5 is the structural profile synoptic diagram according to the utility model Ultrathin DVD that another preferred embodiment is painted;
Fig. 6 A is the amplification profile synoptic diagram at scope B place among Fig. 5, and it shows the structure of individual layer single face especially;
Fig. 6 B is the amplification profile synoptic diagram at scope B place among Fig. 5, and it shows the two-sided structure of individual layer especially.
100,200,212,300,400,420,500,600,700: substrate
102,202,210,302,306,402,406,414,418: the layer of pre-recording
104,204,208,308,408,412,504,610,716: the reflection horizon
304,404,416,614,720: semi-reflective layer
106,206,3 10,410,506,712: cementing layer
108,312,508: cover plate
502: recording layer
110,214,314,422,510,606,710: perforate
602,708: clamping part
604,704: information portion
702: gummed portion
612,718: protective seam
608,714: Information Level
616,722: the second Information Levels
Embodiment
Please be simultaneously with reference to Fig. 3, Fig. 4 A, Fig. 3 is the structural profile synoptic diagram according to the utility model one Ultrathin DVD that preferred embodiment illustrates, and Fig. 4 A is the amplification profile synoptic diagram at A place among Fig. 3, and show the single-surface single-layer structure especially.Ultrathin Video CD mainly comprises a substrate 600, one Information Levels 608 and a reflection horizon 610.Wherein, substrate 600 has a clamping part 602 and an information portion 604, and the thickness of clamping part 602 for example is between 0.7～1.3 millimeter, and the thickness of information portion 604 for example is 0.6 millimeter.In other words, the thickness of clamping part 602 of the present utility model is equivalent to the thickness of existing specification DVD, and the thickness of information portion 604 is equivalent to existing specification DVD thickness half.
In addition, the diameter of clamping part 602 for example is 3 centimetres, and has a perforate that runs through 606 on the clamping part 602.
Then please be simultaneously with reference to Fig. 3 and Fig. 4 B, its Fig. 4 B is the amplification profile synoptic diagram at scope A place among Fig. 3, and shows the single-surface double-layer structure especially.By Fig. 4 B as can be known, on the information portion 604 except Information Level 608, reflection horizon 610, more comprise a semi-reflective layer 614 and one second Information Level 616, wherein semi-reflective layer 614 is disposed between Information Level 608 and the reflection horizon 610, and second Information Level 616 is disposed between semi-reflective layer 614 and the reflection horizon 610, to constitute a ultrathin single-surface double-layer DVD structure.And the above-mentioned Information Level of mentioning 608 for example is pre-record a layer or a recording layer, and second Information Level 616 for example is the layer of pre-recording.
Above-mentioned this kind Ultrathin DVD is on making; no matter be single-surface single-layer or single-surface double-layer structure; the clamping part 602 and the information portion 604 of its substrate 600 are made in the mode of ejection formation; after ejection formation; include Information Level 608 on the information portion 604, then on information portion 604, made retes such as reflection horizon 610, protective seam 612 again.In addition; after reflection horizon 610, protective seam 612 are made and are finished; on clamping part 602, form a perforate that runs through 606 in the mode that thrusts (punch) again; perhaps when substrate 600 ejection formations; just on clamping part 602, directly form a perforate that runs through 606, promptly finished the making of a Ultrathin DVD.
Please consult Fig. 5, Fig. 6 A jointly, Fig. 5 is the structural profile synoptic diagram according to the utility model Ultrathin DVD that another preferred embodiment illustrates, and Fig. 6 A is the amplification profile synoptic diagram at scope B place among Fig. 5, and shows the single-surface single-layer structure especially.Ultrathin Video CD mainly comprises a substrate 700, a paster 706, a cementing layer 712, an Information Level 714 and a reflection horizon 716.Wherein, substrate 700 has a gummed portion 702 and an information portion 704, paster 706 is attached in the gummed portion 702 by cementing layer 712, and gummed portion 702 constitutes a clamping part 708 with paster 706, the thickness of clamping part 708 is for example between 0.7～1.3 millimeter, and the thickness of information portion 704 for example is 0.6 millimeter.In other words, the thickness of clamping part 602 of the present utility model is equivalent to the thickness of existing specification DVD, and the thickness of information portion 604 is equivalent to existing specification DVD thickness half.In addition, clamping part 708 diameters for example are 3 centimetres, and have a perforate that runs through 710 on the clamping part 708.
Then please be simultaneously with reference to Fig. 5 and Fig. 6 B, its Fig. 6 B is the amplification profile synoptic diagram at scope B place among Fig. 5, and shows single-surface double-layer structure structure especially.By Fig. 6 B as can be known, on the information portion 704 except Information Level 714, reflection horizon 716, more comprise a semi-reflective layer 720 and one second Information Level 722, wherein semi-reflective layer 720 is disposed between Information Level 714 and the reflection horizon 716, and second Information Level 722 is disposed between semi-reflective layer 720 and the reflection horizon 716, to constitute a ultrathin single-surface double-layer DVD structure.And the above-mentioned Information Level of mentioning 714 for example is pre-record a layer or a recording layer, and second Information Level 722 for example is the layer of pre-recording.
Above-mentioned this kind Ultrathin DVD is on making; no matter be single-surface single-layer or single-surface double-layer structure; the gummed portion 702 and the information portion 704 of its substrate 700 are made in the mode of ejection formation; after ejection formation; include Information Level 714 on the information portion 704, then be to make on the Information Level 714 retes such as reflection horizon 716, protective seam 718.In addition; after reflection horizon 716, protective seam 718 are made and are finished; paster 706 is glued together with the gummed portion 702 of substrate 700 by cementing layer 712; at last form a perforate that runs through 710 in the mode that thrusts again; or fit with a paster 706 that the has had center pit back of aliging with former center pit 710, promptly finish the making of a Ultrathin DVD.
Yet the gummed action between above-mentioned cementing layer 712 and the substrate 700 also can be carried out before retes such as reflection horizon 716, protective seam 718 are made.
In sum, super thin type digital laser video disc of the present utility model has following advantages:
(1) super thin type digital laser video disc of the present utility model saves the mistake of known cover plate gummed Journey, the disc that makes is more frivolous, can save the cost payout of cover plate simultaneously.
(2) super thin type digital laser video disc of the present utility model can be directly with injection molding method system Work has the substrate of clamping part and information portion, and is comparatively simple and easy on technology.
(3) super thin type digital laser video disc technology of the present utility model and prior art compatibility, because of This is not doing under the condition of significantly changing, and can use existing board to carry out volume production.
(4) thickness of the utility model clamping part (1.2 millimeters) and known cover plate add the thickness of upper substrate and identical, and in other words, promptly the thickness of its clamping part is suitable in the DVD of existing specification, so ultrathin disc of the present utility model is applicable on existing any CD-ROM drive.
Claims (18)
1. the structure of a ultrathin Video CD is characterized in that, this structure comprises at least:
One substrate comprises a clamping part and an information portion, and wherein this clamping part has a perforate, and the thickness of this clamping part is greater than the thickness of this information portion;
One Information Level is disposed on this information portion; And
One reflection horizon is disposed on this Information Level.
2. the structure of ultrathin Video CD as claimed in claim 1 is characterized in that, the thickness of this clamping part is between 0.7～1.3 millimeter.
3. the structure of ultrathin Video CD as claimed in claim 1 is characterized in that, the thickness of this information portion is 0.6 millimeter.
4. the structure of ultrathin Video CD as claimed in claim 1 is characterized in that, the diameter of this clamping part is 3 centimetres.
5. the structure of ultrathin Video CD as claimed in claim 1 is characterized in that, this Information Level is the layer of pre-recording.
6. the structure of ultrathin Video CD as claimed in claim 1 is characterized in that, this Information Level is a recording layer.
7. the structure of ultrathin Video CD as claimed in claim 1 is characterized in that, more comprises a protective seam, and this protective seam is disposed on this reflection horizon.
8. the structure of ultrathin Video CD as claimed in claim 1 is characterized in that, more comprises a semi-reflective layer and one second Information Level, and this semi-reflective layer is disposed between this Information Level and this reflection horizon, and this second Information Level is disposed on this semi-reflective layer.
9. the structure of ultrathin Video CD as claimed in claim 8 is characterized in that, this second Information Level is the layer of pre-recording.
10. the structure of a ultrathin Video CD is characterized in that, this structure comprises at least:
One substrate comprises a gummed portion and an information portion;
One paster is disposed at this gummed portion top, and this gummed portion and this paster constitute a clamping part, and also tool one perforate on this clamping part;
One cementing layer is disposed between this gummed portion and this paster;
One Information Level is disposed on this information portion; And
One reflection horizon is disposed on this Information Level.
11. the structure of ultrathin Video CD as claimed in claim 10 is characterized in that, the thickness of this clamping part is between 0.7～1.3 millimeter.
12. the structure of ultrathin Video CD as claimed in claim 10 is characterized in that, the thickness of this information portion is 0.6 millimeter.
13. the structure of ultrathin Video CD as claimed in claim 10 is characterized in that, the diameter of this clamping part is 3 centimetres.
14. the structure of ultrathin Video CD as claimed in claim 10 is characterized in that, this Information Level is the layer of pre-recording.
15. the structure of ultrathin Video CD as claimed in claim 10 is characterized in that, this Information Level is a recording layer.
16. the structure of ultrathin Video CD as claimed in claim 10 is characterized in that, more comprises a protective seam, this protective seam is disposed on this reflection horizon.
17. the structure of ultrathin Video CD as claimed in claim 10 is characterized in that, more comprises a semi-reflective layer and one second Information Level, this semi-reflective layer is disposed between this Information Level and this reflection horizon, and this second Information Level is disposed on this semi-reflective layer.
18. the structure of ultrathin Video CD as claimed in claim 17 is characterized in that, this second Information Level is the layer of pre-recording.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02242004U CN2550876Y (en) | 2002-07-04 | 2002-07-04 | Structure of super thin type digital laser video disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02242004U CN2550876Y (en) | 2002-07-04 | 2002-07-04 | Structure of super thin type digital laser video disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2550876Y true CN2550876Y (en) | 2003-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02242004U Expired - Fee Related CN2550876Y (en) | 2002-07-04 | 2002-07-04 | Structure of super thin type digital laser video disc |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1326138C (en) * | 2004-07-19 | 2007-07-11 | 精碟科技股份有限公司 | Optical information storage medium |
| CN100411035C (en) * | 2005-09-29 | 2008-08-13 | 精碟科技股份有限公司 | Optical information storage medium |
| CN100429711C (en) * | 2005-06-16 | 2008-10-29 | 精碟科技股份有限公司 | Optical information storage medium |
| US7785689B2 (en) | 2006-08-21 | 2010-08-31 | Imation Corp. | Raw material conserving optical data storage media |
| US7995452B2 (en) | 2008-11-10 | 2011-08-09 | Imation Corp. | Thin optical data storage media with hard coat |
| US8137782B2 (en) | 2008-10-27 | 2012-03-20 | Imation Corp. | Optical media manufactured with low-grade materials |
| US8561093B2 (en) | 2009-02-26 | 2013-10-15 | Imation Corp. | Stacking techniques for thin optical data storage media |
-
2002
- 2002-07-04 CN CN02242004U patent/CN2550876Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1326138C (en) * | 2004-07-19 | 2007-07-11 | 精碟科技股份有限公司 | Optical information storage medium |
| CN100429711C (en) * | 2005-06-16 | 2008-10-29 | 精碟科技股份有限公司 | Optical information storage medium |
| CN100411035C (en) * | 2005-09-29 | 2008-08-13 | 精碟科技股份有限公司 | Optical information storage medium |
| US7785689B2 (en) | 2006-08-21 | 2010-08-31 | Imation Corp. | Raw material conserving optical data storage media |
| US8137782B2 (en) | 2008-10-27 | 2012-03-20 | Imation Corp. | Optical media manufactured with low-grade materials |
| US7995452B2 (en) | 2008-11-10 | 2011-08-09 | Imation Corp. | Thin optical data storage media with hard coat |
| US8561093B2 (en) | 2009-02-26 | 2013-10-15 | Imation Corp. | Stacking techniques for thin optical data storage media |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030514 Termination date: 20090804 |