CN1324595C - Mould for manufacturing optical information storage medium and method for manufacturing optical information storage medium - Google Patents
Mould for manufacturing optical information storage medium and method for manufacturing optical information storage medium Download PDFInfo
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- CN1324595C CN1324595C CNB2004100699192A CN200410069919A CN1324595C CN 1324595 C CN1324595 C CN 1324595C CN B2004100699192 A CNB2004100699192 A CN B2004100699192A CN 200410069919 A CN200410069919 A CN 200410069919A CN 1324595 C CN1324595 C CN 1324595C
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- optical information
- mould
- wall
- media
- masterplate
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Abstract
The present invention relates to a mould for manufacturing optical information storage media, which comprises a stencil and an isolation element, wherein at least one groove is formed on one surface of the stencil of which the center is provided with a first through hole and an accommodating part. The accommodating part is annularly arranged on the first through hole and is adjacent to the surface which is provided with the groove. The isolation element is arranged in the accommodating part. The center of the isolation element is provided with a second through hole which is coaxial with the first through hole. The isolation element is provided with at least two grooves on the side surface which faces the stencil. The mould for manufacturing optical information storage media is used for manufacturing separation layers among optical information storage media. Moreover, the grooves of the stencil correspondingly form pre-engraving grooves of the separation layers. The present invention can be used for effectively peeling the stencil for separating the stencil and the separation layers. Moreover, the present invention can avoid damaging the pre-engraving grooves on the separation layers due to improper force exertion. Accordingly, the integrity of the separation layers is ensured, and qualification rate is added.
Description
Technical field
The present invention is about a kind of manufacture method of making the mould and the media for storing optical information of media for storing optical information, especially in regard to a kind of manufacture method of making mould and the two-sided DVD-R of individual layer of the two-sided DVD-R of individual layer.
Background technology
Along with information and multimedia arriving from generation to generation, electronic product also constantly increases for the storage density of Storage Media and the demand of capacity.One of topmost Storage Media is media for storing optical information in the market, its comprise CD-ROM (CD-ROM), writable disposable type CD (CD-R), rewritable type CD (CD-RW), read-only type Video CD (DVD-ROM), writable disposable type Video CD (DVD-R), rewritable formula Video CD (DVD-RW, DVD+RW) and dynamic random memory Video CD (DVD-RAM) or the like.Wherein, therefore DVD has occupied certain ratio because have the information storage capacity bigger than CD on media for storing optical information market.
Present DVD has different outward appearance patterns, to two-sided bilayer (dual side dual layer), their storage volume scope does not wait from 4.7GB to 17GB yet from single-surface single-layer (single side singlelayer), two-sided individual layer (dual side single layer), single-surface double-layer (single side duallayer).Wherein, the read-only type Video CD (being called DVD-9 again) of single-surface double-layer stores double-deck information on the disc of single face, and its storage volume is about 8.5GB.If in conjunction with the technology of two-sided bilayer, then storage volume can increase and be 13.2GB, that is DVD-14 (single-surface single-layer adds single-surface double-layer), or the storage volume amplification is 17GB, that is DVD-18 (two-sided bilayer).
From the above, have the single-surface double-layer DVD-R of 8.5GB capacity,, add the structure of writable disposable, more and more be subjected to market and paid attention to because capacity is big.As shown in Figure 1, known single-surface double-layer DVD-R disc 10 comprises one first substrate 11, one first recording stack (firstrecording stack, L
0) 12, one wall 13, one second recording stack (second recordingstack, L
1) 14, and one second substrate 15.Wherein, first recording stack 12 and second recording stack 14 are coated on the data face of first substrate 11 and second substrate 15, and wall 13 is interposed between first recording stack 12 and second recording stack 14.As shown in Figure 1, during the reading of data, laser can pass first substrate 11 and focus on first recording stack 12, or passes wall 13 again to focus on second recording stack 14.Generally speaking, first recording stack 12 comprises a recording layer and a semi-reflective layer, and second recording stack 14 comprises a recording layer and a reflection horizon.
Please refer to shown in Figure 2, in known technology, the method (2P (Photo-Polymerization) processing procedure) of making single-surface double-layer DVD-R disc 10 comprises following steps: at first, on first substrate 11 with prerecording ditch groove (pre-grooved), form first organic dye layer 121 and first reflection horizon 123 in rotary coating (Spin-coating) mode successively, to constitute first recording stack 12; Then, the raw material (as light binding (photo-setting resin)) of coating wall 13 is in first recording stack 12, have with the corresponding masterplate of prerecording ditch groove (stamper) 24 one again and be positioned on the wall 13, and carry out pressing and move, at this moment, can carry out the illumination program again to solidify the raw material of wall 13, make wall 13 be shaped; Then, divest masterplate 24, again on prerecording ditch groove successively rotary coating form second organic dye layer 141 and second reflection horizon 143, to constitute second recording stack 14.At last, with second substrate, 15 sticking placing on second recording stack 14, promptly finish the making of disc again.
Yet,,, and cause bad sheet so when divesting masterplate 24, meeting damage the prerecording ditch groove on the wall 13 because of the application of force is improper, and then destroys the integrality of wall 13 because masterplate 24 can be combined closely after pressing with wall 13; For example, known technology directly inserts between masterplate 24 and the wall 13 with mechanical arm, and this action is carried out for a kind of destructive mode, is about to mechanical arm and directly inserts the structure that can destroy wall 13 between mould and the wall.
Therefore, how to provide a kind of masterplate that can effectively divest to separate the media for storing optical information manufacture method of masterplate and wall, one of current just important topic.
Summary of the invention
Because above-mentioned problem, purpose of the present invention is for providing a kind of mould of the manufacturing media for storing optical information that can separate with wall effectively.
Another object of the present invention provides a kind of masterplate that can effectively divest to separate the media for storing optical information manufacture method of masterplate and wall.
For reaching above-mentioned purpose, according to a kind of mould of making media for storing optical information of the present invention, it comprises a masterplate and an isolated component.In the present invention, the media for storing optical information of manufacturing comprises one first substrate at least, one first recording stack (first recording stack) and a wall (spacer), wherein, one surface of masterplate is formed with at least one groove to form a prerecording ditch groove of wall, masterplate central authorities are formed with one first perforation and a holding part, holding part is provided with around first perforation, and be adjacent to and form fluted surface, isolated component is placed in holding part, its central authorities have second perforation coaxial with first perforation, and isolated component is formed with at least two grooves on the side of masterplate.
In addition, the present invention also provides a kind of media for storing optical information manufacture method, and it may further comprise the steps: form one first recording layer, one first reflection horizon and a wall on one first substrate in regular turn; One mould is set on wall, and its structure as previously mentioned; The pressing mold and first substrate are with the channel shaped of the utilizing mould prerecording ditch groove of layer at interval; And be the point of application with the space that these grooves were constituted, peel of mould and wall.
From the above, because of the mould according to manufacturing media for storing optical information of the present invention is made of masterplate and isolated component, and provide the space of the application of force by the groove of isolated component face, so when utilizing this mould to make media for storing optical information, can be the point of application with the space that groove was constituted successfully, the action that divests mould be with peel of mould and wall; So, utilize the mould of manufacturing media for storing optical information of the present invention to carry out media for storing optical information manufacture method of the present invention, can effectively divest masterplate to separate masterplate and wall, and can avoid the application of force improper and damage prerecording ditch groove on the wall, and then guarantee the integrality of wall and increase yield.
Description of drawings
Fig. 1 is a synoptic diagram, shows known single-surface double-layer Video CD;
Fig. 2 is a synoptic diagram, shows the manufacture method of single-surface double-layer Video CD as shown in Figure 1;
Fig. 3 is a synoptic diagram, shows the mould according to the manufacturing media for storing optical information of preferred embodiment of the present invention; And
Fig. 4 is a synoptic diagram, shows the flow process according to the media for storing optical information manufacture method of preferred embodiment of the present invention.
The component symbol explanation:
10 single-surface double-layer DVD-R discs
11 first substrates
12 first recording stacks
121 first organic dye layers
123 first reflection horizon
13 walls
14 second recording stacks
141 second organic dye layers
143 second reflection horizon
15 second substrates
24 masterplates
3 moulds
31 masterplates
311 grooves
313 first perforation
315 holding parts
32 isolated components
321 second perforation
323 grooves
325 retaining elements
41 first substrates
42 first recording layers
43 first reflection horizon
44 walls
441 prerecording ditch grooves
45 second recording layers
46 second reflection horizon
47 second substrates
Embodiment
Hereinafter with reference to relevant drawings, illustrate that wherein components identical will be illustrated with identical reference marks according to the mould and the media for storing optical information manufacture method of the manufacturing media for storing optical information of preferred embodiment of the present invention.
Please refer to shown in Figure 3ly, in order to make interlayer between the media for storing optical information, it comprises a masterplate 31 and an isolated component 32 according to the mould 3 of the manufacturing media for storing optical information of preferred embodiment of the present invention.
As shown in Figure 3, a surface of masterplate 31 is formed with groove 311, and its central authorities are formed with one first perforation, 313 and one holding part 315; Wherein, holding part 315 1 annuluses, and around first perforation, 313 settings, and holding part 315 is adjacent to the surface that is formed with groove 311.
Isolated component 32 is placed in the holding part 315, and isolated component 32 central authorities have one second perforation 321, and it bores a hole 313 coaxially with first, and wherein, isolated component 32 is formed with at least two grooves 323 on the side of masterplate 31.In addition, isolated component 32 has more at least one retaining element 325, it is arranged at isolated component 32 on the side of masterplate 31, so that when being fixed in isolated component 32 in the holding part 315, can utilize retaining element 325 to connect isolated components 32 and masterplates 31, with fixing isolated component 32 on masterplate 31.
In the present embodiment, groove 323 is symmetrically distributed, and for example, then it is oppositely arranged if be provided with two grooves, if be provided with then its trisection setting of three grooves; And when isolated component 32 was fixed in the holding part 315, each groove 323 provided a space, so that when divesting the action of mould 3, provide a point of application.The person of noting, retaining element 325 can be the snib of an adjustable, it can assist the location of isolated component 32 when combination isolated component 32 and masterplate 31, and when the application of force is separated isolated component 32 with masterplate 31, isolated component 32 can break away from masterplate 31 easily, so that can separate smoothly with masterplate 31.
For content of the present invention is more readily understood, below will lift an example, utilize mould 3 to carry out the flow process of the media for storing optical information manufacture method of preferred embodiment of the present invention with explanation.
Please refer to shown in Figure 4ly, at first, on one first substrate 41, form one first recording layer 42, one first reflection horizon 43 and a wall 44 in regular turn.In the present embodiment, above-mentioned processing procedure may further comprise the steps: utilize the rotary coating mode that first recording layer 42 is formed on first substrate 41 earlier, wherein, first substrate 41 is with the polycarbonate ejection formation, and make the have prerecording ditch groove substrate of (pre-grooved), and the material of first recording layer 42 is organic dyestuff or inorganic material; Then, utilize sputter or evaporation mode that first reflection horizon 43 is formed on first recording layer 42, wherein, first reflection horizon 43 is a semi-reflective layer (semi-reflective layer), its material is simple metal or alloy, for example is silver or silver alloy, aluminum or aluminum alloy and gold or billon or the like; Then, wall 44 is arranged on first reflection horizon 43, at this moment, the material (as light binding) that will form wall 44 is earlier coated on first reflection horizon 43, to carry out ensuing program.
Secondly, aforesaid mould 3 is set on wall 44, the surface that wherein is formed with groove 311 on the masterplate 31 contacts with wall 44, and the groove 323 of isolated component 32 provides a space.
Then, the pressing mold 3 and first substrate 41 form the prerecording ditch groove 441 of walls 44 with the groove 311 that utilizes mould 3.The person of noting; after the pressing mold 3 and first substrate 41; usually can carry out the curing action of the material of wall 44; for example if wall 44 is made of light binding; then carry out exposure program light binding is exposed to radiation; it is solidified into a solid-state polymer resin, its thickness is approximately 50 μ m.
Then, the space that is constituted with these grooves 323 is the point of application, peel of mould 3 and wall 44.In the present embodiment, can utilize the mechanical arm (not shown) to insert in the space that each groove 323 constituted, cooperate then and blow and the application of force divests mould 3; At this moment, because mechanical arm directly inserts in the space that each groove 323 constituted, and do not need to carry out, so can not destroy the structural intergrity of wall 44 in known destructive mode (promptly directly between insertion mould and the wall).In addition because these grooves 323 are symmetrically distributed, so when divesting mould 3 application of force equably, with peel of mould 3 and wall 44.The person of noting, in the step of peel of mould 3 and wall 44, can be divided into following substep: at first, the space that is constituted with these grooves 323 is the point of application, separate masterplate 31 and wall 44 earlier, this moment, masterplate 31 also can separate with isolated component 32, and isolated component 32 is still bonding with wall 44; Then, divest isolated component 32 to separate isolated component 32 and wall 44.
At last, form one second recording layer 45 and one second reflection horizon 46 between the prerecording ditch groove 441 on the interlayer 44 in regular turn in being formed with again, and one second substrate 47 is bonded on second reflection horizon 46.In the present embodiment, the method that forms second recording layer 45, second reflection horizon 46 and second substrate 47 can adopt known processing procedure, so repeat no more.
The person of noting, the media for storing optical information of using above-mentioned mould and the manufacturing of media for storing optical information manufacture method is an example with the Video CD (DVD-R) of writable disposable formula with single-surface double-layer structure (as DVD-9); In fact, the media for storing optical information of using manufacturing of the present invention can be the product that meets DVD-9, DVD-17, DVD-18 form, or its derivative product.
In sum, because of the mould according to manufacturing media for storing optical information of the present invention is made of masterplate and isolated component, and provide the space of the application of force by the groove of isolated component face, so when utilizing this mould to make media for storing optical information, can be the point of application with the space that groove was constituted successfully, the action that divests mould be with peel of mould and wall; So, utilize the mould of manufacturing media for storing optical information of the present invention to carry out media for storing optical information manufacture method of the present invention, can effectively divest masterplate to separate masterplate and wall, and can avoid the application of force improper and damage prerecording ditch groove on the wall, and then guarantee the integrality of wall and increase yield.
The above only is an illustrative, but not is restricted person.Anyly do not break away from spirit of the present invention and category, and, all should be contained in the described claim scope its equivalent modifications of carrying out or change.
Claims (10)
1. mould of making media for storing optical information, wherein this media for storing optical information comprises one first substrate, one first recording stack and a wall at least, it is characterized in that, and the mould of this manufacturing media for storing optical information comprises:
One masterplate, surface thereof are formed with at least one groove to form a prerecording ditch groove of this wall, and these masterplate central authorities are formed with one first perforation and a holding part, and this holding part is provided with and is adjacent to the surface that is formed with this groove around this first perforation; And
One isolated component, it is placed in this holding part, and these isolated component central authorities have second perforation coaxial with this first perforation, and this isolated component is formed with at least two grooves on the side of this masterplate.
2. the mould of manufacturing media for storing optical information as claimed in claim 1, wherein this isolated component more is formed with at least one fixed part on the side of this masterplate, and it is in order to be fixed in this isolated component in this holding part.
3. the mould of manufacturing media for storing optical information as claimed in claim 1, wherein said groove is symmetrically distributed.
4. the mould of manufacturing media for storing optical information as claimed in claim 1, wherein this first recording stack comprises one first recording layer and one first reflection horizon.
5. the mould of manufacturing media for storing optical information as claimed in claim 1, wherein this media for storing optical information more comprises one second recording stack and one second substrate, and wherein this second recording stack comprises one second recording layer and one second reflection horizon.
6. the mould of manufacturing media for storing optical information as claimed in claim 1, it is in order to make this wall of this media for storing optical information.
7. a media for storing optical information manufacture method is characterized in that, comprises:
On one first substrate, form one first recording layer, one first reflection horizon and a wall in regular turn;
One mould is set on this wall, wherein this mould comprises a masterplate and an isolated component, one surface of this masterplate is formed with at least one groove, these masterplate central authorities are formed with one first perforation and a holding part, this holding part is provided with and is adjacent to the surface that is formed with this groove around this first perforation, this isolated component is placed in this holding part, these isolated component central authorities have second perforation coaxial with this first perforation, and this isolated component is formed with at least two grooves on the side of this masterplate;
This mould of pressing and this first substrate form a prerecording ditch groove of this wall with this groove that utilizes this mould; And
With the space that described groove was constituted is the point of application, separates this mould and this wall.
8. media for storing optical information manufacture method as claimed in claim 7 is characterized in that, more comprises:
On this wall that is formed with this prerecording ditch groove, form one second recording layer;
On this second recording layer, form one second reflection horizon; And
With one second base plate bonding on this second reflection horizon.
9. media for storing optical information manufacture method as claimed in claim 8, wherein said groove is symmetrically distributed, so that evenly the application of force is to separate this mould and this wall.
10. media for storing optical information manufacture method as claimed in claim 7 is that the point of application separates in the step of this mould and this wall with the space that described groove was constituted wherein, comprises following substep:
With the space that described groove was constituted is the point of application, separates this masterplate with this wall and separate this masterplate and this isolated component, and this isolated component is still bonding with this wall; And
Divest this isolated component to separate this isolated component and this wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100699192A CN1324595C (en) | 2004-07-19 | 2004-07-19 | Mould for manufacturing optical information storage medium and method for manufacturing optical information storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100699192A CN1324595C (en) | 2004-07-19 | 2004-07-19 | Mould for manufacturing optical information storage medium and method for manufacturing optical information storage medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1725337A CN1725337A (en) | 2006-01-25 |
| CN1324595C true CN1324595C (en) | 2007-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100699192A Expired - Fee Related CN1324595C (en) | 2004-07-19 | 2004-07-19 | Mould for manufacturing optical information storage medium and method for manufacturing optical information storage medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1324595C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112397097B (en) * | 2020-11-30 | 2021-10-15 | 北京中科开迪软件有限公司 | Optical disk die assembly for optical disk production and use method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5126996A (en) * | 1988-11-08 | 1992-06-30 | Pioneer Electronic Corporation | Optical information record carrier and the method of producing the same |
| JPH09115191A (en) * | 1995-10-13 | 1997-05-02 | Victor Co Of Japan Ltd | Optical information recording medium and its production |
-
2004
- 2004-07-19 CN CNB2004100699192A patent/CN1324595C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5126996A (en) * | 1988-11-08 | 1992-06-30 | Pioneer Electronic Corporation | Optical information record carrier and the method of producing the same |
| JPH09115191A (en) * | 1995-10-13 | 1997-05-02 | Victor Co Of Japan Ltd | Optical information recording medium and its production |
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| Publication number | Publication date |
|---|---|
| CN1725337A (en) | 2006-01-25 |
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Granted publication date: 20070704 |