CN100397512C - Optical recording medium - Google Patents
Optical recording medium Download PDFInfo
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- CN100397512C CN100397512C CNB2005100052331A CN200510005233A CN100397512C CN 100397512 C CN100397512 C CN 100397512C CN B2005100052331 A CNB2005100052331 A CN B2005100052331A CN 200510005233 A CN200510005233 A CN 200510005233A CN 100397512 C CN100397512 C CN 100397512C
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Abstract
The present invention relates to an optical recording medium which comprises a first base plate, a reflecting layer and a second base plate, wherein the first base plate is provided with a first central through hole and a first groove, and the reflecting layer is arranged on the first base plate; the second base plate is provided with a second central through hole corresponding to the first central through hole, and the second base plate is glued with the reflecting layer and the first base plate by an adhesive. Because of the arrangement of the groove of the optical recording medium of the present invention, the adhesive is filled in the groove for preventing outside water vapor and air from coming in contact with the reflecting layer to cause the oxidation phenomenon of the reflecting layer, so that the efficacy of reinforcing and protecting the reflecting layer is obtained.
Description
Technical field
The present invention relates to a kind of recording medium, particularly relate to a kind of optical record medium.
Background technology
Along with the arriving of scientific-technical progress and multimedia era, the data of the required storage of consumer no longer is confined to static written information, picture data.Dynamic numberization image data leaps to the stage of multimedia era, for in response to large-capacity data, therefore mostly use optical record medium, for example digital video signal video disc (Digital Video Disc at present, hereinafter to be referred as DVD), in order to store large-capacity data.In recent years, DVD has become a kind of quite successful digital data storage medium, and in the face of the storage requirements that increases day by day, the CD-ROM capacity of 650MB is not enough, therefore DVD makes DVD become the main flow of following digital data storage medium up to the capacity of 4.7GB/SIDE.
Because air pollution now is serious day by day; influence to DVD can not be ignored; for example airborne aqueous vapor, some pollution impurity all can influence the term of life of DVD; generally speaking DVD is engaged with a data slice by a blank; and can coating one stick together glue between blank and the data slice in order to bind, also can protect the reflection horizon to avoid oxidation simultaneously.Shown in Figure 1A and 1B, Figure 1A is the vertical view of existing known DVD, and Figure 1B is the sectional view of the dotted line a-a among Figure 1A.Existing known DVD 1 mainly comprises one first substrate 11 and one second substrate 12 and a reflection horizon 13.First substrate 11 has one first center through hole 111; Reflection horizon 13 is arranged on first substrate 11; Second substrate 12 has one second center through hole 121, and wherein, second center through hole 121 and first center through hole 111 are oppositely arranged, and wherein second substrate 12 is to utilize one to stick together glue 14 and bind mutually with the reflection horizon 13 and first substrate 11.But glue 14 coatings are incomplete when sticking together, make and stick together when glue 14 is not good to coat reflection horizon 13, cause aqueous vapor, air to contact easily with reflection horizon 13, to make reflection horizon 13 produce oxidation, and then cause whole DVD to damage, therefore how to make the glue that sticks together of DVD coat well that the reflection horizon is real to be one of current important topic.
This shows that above-mentioned existing optical record medium obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem that optical record medium exists, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, and this obviously is the problem that the anxious desire of relevant dealer solves.
Because the defective that above-mentioned existing optical record medium exists, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, urgently think to found a kind of optical record medium of new structure, can improve general existing optical record medium, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
The objective of the invention is to; overcoming the defective that existing optical record medium exists, is to make it can complete coating reflection horizon and a kind of optical record medium of new structure, technical matters to be solved are provided; with reach the protection reflection horizon effect, thereby be suitable for practicality more.
The object of the invention to solve the technical problems realizes by the following technical solutions.A kind of optical record medium according to the present invention's proposition, it comprises: one first substrate, it is to have one first center through hole, a data field, one first groove and one the 3rd groove, wherein this first groove is the edge that is adjacent to this first substrate, this data field is between this first center through hole and this first groove, and the 3rd groove is between this first center through hole and this data field; One reflection horizon, it is arranged on this first substrate and covers on this data field; And one second substrate, it is to have one second center through hole, this second center through hole is to be oppositely arranged with this first center through hole, and this second substrate is to utilize one to stick together glue and bind mutually with this reflection horizon and this first substrate, and this adhesive coating is filled in this first groove and the 3rd groove.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid optical record medium, wherein said first groove are between this first center through hole and this data field.
Aforesaid optical record medium, wherein said second substrate are to have one second groove, this second groove and the corresponding setting of this first groove.
Aforesaid optical record medium, wherein said second substrate has more one the 4th groove, the 4th groove and the corresponding setting of the 3rd groove.
Aforesaid optical record medium, wherein said second substrate has more a data field, and this reflection horizon is to cover on this data field.
Aforesaid optical record medium, wherein said first groove are to be adjacent to this first center through hole.
Aforesaid optical record medium, the wherein said glue that sticks together is to be filled in this first groove and this second groove.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, major technique of the present invention thes contents are as follows:
In order to achieve the above object, according to optical record medium of the present invention, it is to comprise one first substrate, a reflection horizon and one second substrate.Wherein, first substrate has one first center through hole and one first groove; The reflection horizon is arranged on first substrate; Second substrate has one second center through hole, and second center through hole is to be oppositely arranged with first center through hole, and second substrate is to utilize one to stick together glue and bind mutually with the reflection horizon and first substrate.
By technique scheme, optical record medium of the present invention has following advantage at least:
Because of according to optical record medium of the present invention, by the setting of groove, be filled in groove so that stick together glue, contact with the reflection horizon with air to avoid extraneous aqueous vapor, cause the oxidative phenomena in reflection horizon, to reach the effect of strengthening the protection reflection horizon.
In sum, the optical record medium of special construction of the present invention can complete coating reflection horizon, to reach the effect in protection reflection horizon.It has above-mentioned many advantages and practical value, and in like product, do not see have similar structural design to publish or use and really genus innovation, no matter it all has bigger improvement on product structure or function, have large improvement technically, and produced handy and practical effect, and more existing optical record medium has the multinomial effect of enhancement, thus be suitable for practicality more, and have the extensive value of industry, really be a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of instructions, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Figure 1A is the vertical view of existing known DVD;
Figure 1B is the sectional view of the dotted line a-a among Figure 1A;
Fig. 2 A is a vertical view of the optical record medium of preferred embodiment of the present invention;
Fig. 2 B is the sectional view of the dotted line b-b among Fig. 2 A;
Fig. 3 A is a vertical view of the optical record medium of another preferred embodiment of the present invention;
Fig. 3 B is the sectional view of the dotted line c-c among Fig. 3 A;
Fig. 4 A is the present invention's vertical view of the optical record medium of a preferred embodiment again; And
Fig. 4 B is the sectional view of the dotted line d-d among Fig. 4 A.
1: existing known digital video signal video disc
111: the first center through hole of 11: the first substrates
121: the second center through hole of 12: the second substrates
13: reflection horizon 14: stick together glue
2: 21: the first substrates of optical record medium
212: the first grooves of 211: the first center through hole
213: 22: the second substrates in data field
222: the second grooves of 221: the second center through hole
23: reflection horizon 24: stick together glue
3: 31: the first substrates of optical record medium
32: the second substrates of 312: the first grooves
414: the three grooves of 41: the first substrates
423: the four grooves of 42: the second substrates
A-a, b-b, c-c, d-d: dotted line
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, its embodiment of optical record medium, structure, feature and effect thereof to foundation the present invention proposition, describe in detail as after, wherein components identical will be illustrated with identical reference marks.
Hereinafter with reference to correlative type, the optical record medium according to preferred embodiment of the present invention is described.Optical record medium of the present invention in addition can be the digital video signal video disc (DVD-ROM) of a read-only type, the digital video signal video disc (DVD-RAM), of a re-writeable and reads that the digital video signal video disc (DVD-R/RW, DVD+R/RW), of type is write the digital video signal video disc (DVD-R) of dispensable mould or other are familiar with the known optical record medium of this operator.
See also shown in Fig. 2 A and Fig. 2 B, Fig. 2 A is a vertical view of the optical record medium of preferred embodiment of the present invention, and Fig. 2 B is the sectional view of the dotted line b-b among Fig. 2 A.In this preferred embodiment, the optical record medium of preferred embodiment of the present invention is to be the digital video signal video disc (DVD-ROM) of a read-only type.Optical record medium 2 comprises one first substrate 21, one second substrate 22 and a reflection horizon 23.
In this preferred embodiment, first substrate 21 has one first center through hole 211, one first groove 212 and a data field 213.Wherein the material of first substrate 21 can be an engineering plastic, and as Acrylic, PC (PolyCarbonate) or ABS, it is to make in the mode of injection molding.First groove 212 is the outer rims that are positioned at first substrate 21, and first groove 212 can be shapes such as one trapezoidal a, triangle, a circular arc or an ellipse.Moreover data field 213 is between first center through hole 211 and first groove 212, and it is in order to storage data.
In this preferred embodiment, the material in reflection horizon 23 is to be a metallics, and for example gold, aluminium, silver or other are known the known metallics of this operator, and reflection horizon 23 is arranged on first substrate 21, and reflection horizon 23 is cover data districts 213.
It is to have one second center through hole 221 and one second groove 222 for second substrate 22.Wherein, the material of second substrate 22 can be an engineering plastic, and as Acrylic, PC (PolyCarbonate) or ABS, its mode with injection molding is made.Second center through hole 221 and first center through hole 211 are oppositely arranged, and second groove 222 and first groove 212 be oppositely arranged, therefore second groove 222 is located at the outer rim of second substrate 22, when first substrate 21 engages with second substrate 22, first groove 212 is corresponding about in the of 222 with second groove, and second groove 222 also can be shapes such as one trapezoidal a, triangle, a circular arc or an ellipse.
In this preferred embodiment; second substrate 22 is to utilize one to stick together glue 24 and bind mutually with the reflection horizon 23 and first substrate 21; because the outer rim of first substrate 21 and second substrate 22 has corresponding first groove 212 and second groove 222 respectively; therefore first substrate 21 and second substrate 22 are in the process of binding mutually; because sticking together glue 24 has flowability; it is to flow in first groove 212 and second groove 222; therefore sticking together glue 24 can complete coating reflection horizon 23; form a barrier; can avoid extraneous aqueous vapor to contact with reflection horizon 23 with the outer rim place of air by optical record medium 2; cause the oxidative phenomena in reflection horizon 23, and then reach the effect of strengthening protection reflection horizon 23.
In addition, palpus attention person, though first substrate 21 and second substrate 22 in this preferred embodiment have first groove 212 and second groove 222 simultaneously, but optical record medium 2 of the present invention does not limit both needs to be existed simultaneously, only need first groove 212 or 222 one of them existence of second groove, also can reach the usefulness in complete coating reflection horizon 23.
In addition, see also shown in Fig. 3 A and Fig. 3 B, Fig. 3 A is a vertical view of the optical record medium of another preferred embodiment of the present invention, and Fig. 3 B is the sectional view of the dotted line c-c among Fig. 3 A.Optical record medium 3 comprises one first substrate 31, one second substrate 32 and a reflection horizon 23, wherein gives identical symbol with Fig. 2 B components identical at this, and is not given unnecessary details.First substrate 31 has one first center through hole 211, one first groove 312 and a data field 213.First groove 312 is between first center through hole 211 and data field 213.
In this preferred embodiment, the material in reflection horizon 23 is to be a metallics, and for example gold, aluminium, silver or other are known the known metallics of this operator, and reflection horizon 23 is arranged on first substrate 31, and reflection horizon 23 is cover data districts 213.
It is to have one second center through hole 221 and one second groove 322 for second substrate 32.Second center through hole 221 and first center through hole 211 are oppositely arranged, and second groove 322 and first groove 312 be oppositely arranged, and therefore when first substrate 31 engaged with second substrate 32, first groove 312 was corresponding about in the of 322 with second groove.
Therefore after second substrate 32 utilizes one to stick together glue 24 and the reflection horizon 23 and first substrate 31 bind mutually; because first substrate 31 and second substrate 32 have corresponding first groove 312 and second groove 322 respectively; therefore first substrate 31 and second substrate 32 are in the process of binding mutually; sticking together glue 24 can flow in first groove 312 and second groove 322; to avoid extraneous aqueous vapor to contact with reflection horizon 23 with second center through hole, 221 places by first center through hole 211 with air; produce reflection horizon 23 oxidative phenomenas, and then reach the effect of strengthening protection reflection horizon 23.Palpus attention person, though first substrate 31 and second substrate 32 in this preferred embodiment have first groove 312 and second groove 322 simultaneously, but optical record medium 3 of the present invention does not limit both needs to be existed simultaneously, only need first groove 312 or 322 one of them existence of second groove, also can reach the usefulness in complete coating reflection horizon 23.
In addition, see also shown in Fig. 4 A and Fig. 4 B, Fig. 4 A is the present invention's vertical view of the optical record medium of a preferred embodiment again, and Fig. 4 B is the sectional view of the dotted line d-d among Fig. 4 A.Optical record medium 4 in this preferred embodiment comprises one first substrate 41, one second substrate 42 and a reflection horizon 23.Wherein give identical symbol at this, and do not given unnecessary details with Fig. 2 B components identical.
In this preferred embodiment, first substrate 41 has one first center through hole 211, one first groove 212, a data field 213 and one the 3rd groove 414.First groove 212 is the outer rims that are positioned at first substrate 41, and the 3rd groove 414 is located between first center through hole 211 and the data field 213.
In this preferred embodiment, the material in reflection horizon 23 is to be a metallics, and for example gold, aluminium, silver or other are known the known metallics of this operator, and reflection horizon 23 is arranged on first substrate 41, and reflection horizon 23 is cover data districts 213.
It is to have one second center through hole 221, one second groove 222, one the 4th groove 423 for second substrate 42.Wherein, second center through hole 221 and first center through hole 211 are oppositely arranged, second groove 222 and first groove 212 are oppositely arranged, and the 3rd groove 414 and the 4th groove 423 be oppositely arranged, therefore when first substrate 41 engages with second substrate 42, first groove 212 and second groove are corresponding and the 4th groove 423 is corresponding about in the of 414 with the 3rd groove about in the of 222.
In this preferred embodiment; second substrate 42 is to utilize one to stick together glue 24 and bind mutually with the reflection horizon 23 and first substrate 41; because the outer rim of first substrate 41 and second substrate 42 has corresponding first groove 212 and second groove 222 respectively; and first center through hole 211 and second center through hole, 221 places have the 3rd groove 414 and the 4th groove 423 respectively; therefore first substrate 21 and second substrate 22 are in the process of binding mutually; sticking together glue 24 can flow in first groove 212 and second groove 222 and the 3rd groove 414 and the 4th groove 423; therefore sticking together glue 24 can complete coating reflection horizon 23; to avoid extraneous aqueous vapor to contact with reflection horizon 23 with the outer rim place and first center through hole, 211 places of air by optical record medium 4; cause the oxidative phenomena in reflection horizon 23, and then reach the effect of strengthening protection reflection horizon 23.
Hold as above-mentioned; because of according to optical record medium of the present invention,, avoid extraneous aqueous vapor to contact with the reflection horizon with air by first groove, second groove, the 3rd groove and the 4th groove; cause the oxidative phenomena in reflection horizon, to reach the effect of strengthening the protection reflection horizon.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (7)
1. optical record medium is characterized in that it comprises:
One first substrate, it is to have one first center through hole, a data field, one first groove and one the 3rd groove, wherein this first groove is the edge that is adjacent to this first substrate, this data field is between this first center through hole and this first groove, and the 3rd groove is between this first center through hole and this data field;
One reflection horizon, it is arranged on this first substrate and covers on this data field; And
One second substrate, it is to have one second center through hole, this second center through hole is to be oppositely arranged with this first center through hole, and this second substrate is to utilize one to stick together glue and bind mutually with this reflection horizon and this first substrate, and this adhesive coating is filled in this first groove and the 3rd groove.
2. optical record medium according to claim 1 is characterized in that wherein said first groove is between this first center through hole and this data field.
3. optical record medium according to claim 1 is characterized in that wherein said second substrate is to have one second groove, this second groove and the corresponding setting of this first groove.
4. optical record medium according to claim 1 is characterized in that wherein said second substrate has more one the 4th groove, the 4th groove and the corresponding setting of the 3rd groove.
5. optical record medium according to claim 1 is characterized in that wherein said second substrate has more a data field, and this reflection horizon is to cover on this data field.
6. optical record medium according to claim 1 is characterized in that wherein said first groove is to be adjacent to this first center through hole.
7. optical record medium according to claim 1 is characterized in that the wherein said glue that sticks together is to be filled in this first groove and this second groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100052331A CN100397512C (en) | 2005-02-01 | 2005-02-01 | Optical recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100052331A CN100397512C (en) | 2005-02-01 | 2005-02-01 | Optical recording medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1815588A CN1815588A (en) | 2006-08-09 |
| CN100397512C true CN100397512C (en) | 2008-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100052331A Expired - Fee Related CN100397512C (en) | 2005-02-01 | 2005-02-01 | Optical recording medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100397512C (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11242830A (en) * | 1997-12-25 | 1999-09-07 | Victor Co Of Japan Ltd | Photorecord medium and its manufacture |
| JP2003217156A (en) * | 2002-01-24 | 2003-07-31 | Sankyo Seiki Mfg Co Ltd | Optical head device |
| CN1506215A (en) * | 1998-08-05 | 2004-06-23 | ���µ�����ҵ��ʽ���� | Method and apparatus for producing optical disk and substrate producing method |
-
2005
- 2005-02-01 CN CNB2005100052331A patent/CN100397512C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11242830A (en) * | 1997-12-25 | 1999-09-07 | Victor Co Of Japan Ltd | Photorecord medium and its manufacture |
| CN1506215A (en) * | 1998-08-05 | 2004-06-23 | ���µ�����ҵ��ʽ���� | Method and apparatus for producing optical disk and substrate producing method |
| JP2003217156A (en) * | 2002-01-24 | 2003-07-31 | Sankyo Seiki Mfg Co Ltd | Optical head device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1815588A (en) | 2006-08-09 |
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