CN207517357U - A kind of holographic memory device based on dichroic reflective layer - Google Patents
A kind of holographic memory device based on dichroic reflective layer Download PDFInfo
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- CN207517357U CN207517357U CN201721677309.XU CN201721677309U CN207517357U CN 207517357 U CN207517357 U CN 207517357U CN 201721677309 U CN201721677309 U CN 201721677309U CN 207517357 U CN207517357 U CN 207517357U
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Abstract
The utility model discloses a kind of holographic memory device based on dichroic reflective layer, including CD, CD includes optic disc base board, the variable data layer of recording optical-information is provided on optic disc base board, it is disposed with address layer from the bottom to top above variable data layer, dichroic reflective layer and recording layer, wherein dichroic reflective layer causes green light all to reflect, and cause feux rouges through simultaneously arrival address layer, feux rouges arrival address layer, obtain address information, it can solve the problems, such as that can not realize in the presence of the prior art changes its storage density to the storage material of different quality, the position that hologram image is formed on recording layer is determined by the servosignal of red laser, realize that the storage density of holographic optical disk is adjusted, to realize being compatible with up and down between CD different editions, improve the sustainability that it is applied during rom update is regenerated.
Description
Technical field
The utility model is related to optical storage techniques fields, and in particular to a kind of Hologram Storage dress based on dichroic reflective layer
It puts.
Background technology
At present, in optical storage apparatus, the capacity of CD is nonadjustable, such as CD（650MB）, DVD（4.7GB）,
BD（25GB）Deng when the capacity of CD changes, there is the problem of must changing CD-disc read-write equipment.For this reason, it may be necessary to
A kind of storage device solves the above problem in the presence of the prior art.
Utility model content
The purpose of this utility model is to provide a kind of holographic memory device based on dichroic reflective layer, to solve existing skill
The problem of its storage density is changed to the storage material of different quality can not be realized in the presence of art.
To achieve the above object, the utility model provides a kind of holographic memory device based on dichroic reflective layer, including light
Disc board, is provided with the variable data layer of recording optical-information on optic disc base board, above variable data layer from the bottom to top successively
Address layer, dichroic reflective layer and recording layer are provided with, wherein dichroic reflective layer causes green light all to reflect, and feux rouges is penetrated
And arrival address layer, feux rouges arrival address layer obtain address information.
Optionally, dichroic reflective layer and address layer synthesize one layer of structure, to realize that green light reflection, feux rouges are saturating simultaneously
It crosses simultaneously arrival address layer and obtains the function of address information.
Optionally, the first interlayer is provided between address layer and dichroic reflective layer.
Optionally, the second interlayer is provided between dichroic reflective layer and recording layer.
Optionally, setting matcoveredn above recording layer.
Optionally, address points are provided on variable data layer.
Optionally, recording layer is set as polymer material layer.
Optionally, laser is the green (light) laser of green light including emerging beam and emerging beam is servo feux rouges
Red laser.
Optionally, reflecting layer is to feux rouges to penetrate, and feux rouges is incident on after passing through reflecting layer on optic disc base board, by optic disc base board
On address points reflect back, the location information of the address points of the feux rouges on optic disc base board is read out, according to address points
Interval determine that green holographic laser image is written to the position of recording layer；Dichroic reflective layer is reflection to green light, and green light is not
Optic disc base board can be incident on, is not interfered by the address points on optic disc base board.
Optionally, the position that hologram image is formed on recording layer is determined by the servosignal of red laser, realizes holographic optical
The storage density of disk is adjusted, to realize being compatible with up and down between CD different editions.
The utility model has the following advantages that：
The holographic memory device based on dichroic reflective layer of the utility model, can solve the nothing in the presence of the prior art
Method realizes the problem of changing its storage density to the storage material of different quality, and the position of hologram image is formed on recording layer by red
The servosignal of color laser determines, realizes that the storage density of holographic optical disk is adjusted, upper and lower between CD different editions to realize
It is compatible, improve the sustainability that it is applied during rom update is regenerated.
Description of the drawings
Fig. 1 is the structure diagram of the holographic memory device based on dichroic reflective layer of the utility model.
In figure, 1 is protective layer, and 2 be recording layer, and 3 be the first interlayer, and 4 be dichroic reflective layer, and 5 be the second interlayer, and 6 be light
Disc board, 7 be variable data layer, and 8 be address points, and 9 be hologram, and 10 be green laser, and 11 be red laser.
Specific embodiment
The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.
Embodiment
A kind of holographic memory device based on dichroic reflective layer 4, as shown in Figure 1, including optic disc base board 6, on optic disc base board 6
The variable data layer 7 of recording optical-information is provided with, address layer is disposed with above variable data layer 7 from the bottom to top, divides
Color reflecting layer 4 and recording layer 2, wherein dichroic reflective layer 4 are so that green light all reflects, and so that feux rouges penetrates and arrival address
Layer, feux rouges arrival address layer obtain address information.
Different colours light is selectively reflected or penetrated as it can be seen that dichroic reflective layer 4 can be realized, is designed in holographic optical disk
In, by the use of red laser 11 as servo light, it is used to specify the writing position of the holographic light image of green laser 10 or blue laser.
Shown in Fig. 1,4 pairs of red light of dichroic reflective layer can penetrate, and red light reaches optic disc base board 6 after penetrating, and projects CD base
8 back reflection of address points on plate 6 goes back, and the position of address points 8 is read out, and determines that green is complete according to the interval of address points 8
Breath laser image is written to the position of recording layer 2；As that can reflect, green light can not arrive the green optical hologram 9 of 4 pairs of dichroic reflective layer
Up to optic disc base board 6, it is impossible to 8 information of data address point on optic disc base board 6 is read, it will not be by dot matrix on optic disc base board 6
Rough interference.
Preferably, dichroic reflective layer 4 and address layer synthesize one layer of structure, to realize green light reflection, feux rouges simultaneously
Through simultaneously arrival address layer and the function of acquisition address information.
Preferably, the first interlayer 3 is provided between address layer and dichroic reflective layer 4.
Preferably, the second interlayer 5 is provided between dichroic reflective layer 4 and recording layer 2.
Preferably, setting matcoveredn 1 above recording layer 2.
Preferably, address points 8 are provided on variable data layer 7.
Preferably, recording layer 2 is set as polymer material layer.
Preferably, laser is the green (light) laser of green light including emerging beam and emerging beam is servo feux rouges
Red laser.
Preferably, reflecting layer is to feux rouges to penetrate, and feux rouges is incident on after passing through reflecting layer on optic disc base board 6, by CD base
Address points 8 on plate 6 reflect back, and the location information of the address points 8 of the feux rouges on optic disc base board 6 is read out, according to
The interval of address points 8 determines that green holographic laser image is written to the position of recording layer 2；4 pairs of green light of dichroic reflective layer are reflection,
Green light cannot be incident on optic disc base board 6, not interfered by the address points 8 on optic disc base board 6.
Preferably, the position that 9 picture of hologram is formed on recording layer 2 is determined by the servosignal of red laser 11, is realized complete
The storage density for ceasing CD is adjusted, to realize being compatible with up and down between CD different editions.
It should be noted that the holographic memory device based on dichroic reflective layer 4 of the utility model, mainly to above structure
It is improved, other unmentioned function, component and structures, when needed, may be used can realize phase in the prior art
The component and structure for answering function are implemented.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, the these modifications or improvements on the basis of without departing from the spirit of the present invention, belonging to the utility model will
Seek the range of protection.
Claims (10)
1. a kind of holographic memory device based on dichroic reflective layer, including optic disc base board（6）, which is characterized in that optic disc base board（6）
On be provided with the variable data layer of recording optical-information（7）, variable data layer（7）Above be disposed with address from the bottom to top
Layer, dichroic reflective layer（4）And recording layer（2）, wherein dichroic reflective layer（4）So that green light all reflects, and feux rouges is penetrated
And arrival address layer, feux rouges arrival address layer obtain address information.
2. the holographic memory device as described in claim 1 based on dichroic reflective layer, which is characterized in that dichroic reflective layer（4）
One layer of structure is synthesized with address layer, to realize green light reflection, feux rouges simultaneously through simultaneously arrival address layer and obtain address
The function of information.
3. the holographic memory device as described in claim 1 based on dichroic reflective layer, which is characterized in that address layer and color separation are anti-
Penetrate layer（4）Between be provided with the first interlayer（3）.
4. the holographic memory device as claimed in claim 3 based on dichroic reflective layer, which is characterized in that dichroic reflective layer（4）
And recording layer（2）Between be provided with the second interlayer（5）.
5. the holographic memory device as claimed in claim 4 based on dichroic reflective layer, which is characterized in that recording layer（2）It is upper
Face sets matcoveredn（1）.
6. the holographic memory device based on dichroic reflective layer as described in any one of claim 1-5, which is characterized in that variable
Data Layer（7）On be provided with address points（8）.
7. the holographic memory device as claimed in claim 6 based on dichroic reflective layer, which is characterized in that recording layer（2）Setting
For polymer material layer.
8. the holographic memory device as claimed in claim 7 based on dichroic reflective layer, which is characterized in that laser includes light extraction
The red laser that light beam is the green (light) laser of green light and emerging beam is servo feux rouges.
9. the holographic memory device as claimed in claim 8 based on dichroic reflective layer, which is characterized in that reflecting layer is to feux rouges
Through feux rouges is incident on optic disc base board after passing through reflecting layer（6）On, by optic disc base board（6）On address points（8）It reflects back,
With by optic disc base board（6）On feux rouges address points（8）Location information be read out, according to address points（8）Interval determine
Green holographic laser image is written to recording layer（2）Position；Dichroic reflective layer（4）It is reflection to green light, green light cannot enter
It is mapped to optic disc base board（6）, not by optic disc base board（6）On address points（8）It is interfered.
10. the holographic memory device as claimed in claim 9 based on dichroic reflective layer, which is characterized in that recording layer（2）Upper shape
Into hologram（9）The position of picture is by red laser（11）Servosignal determine, realize holographic optical disk storage density adjust, with
Being compatible with up and down between realization CD different editions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721677309.XU CN207517357U (en) | 2017-12-06 | 2017-12-06 | A kind of holographic memory device based on dichroic reflective layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721677309.XU CN207517357U (en) | 2017-12-06 | 2017-12-06 | A kind of holographic memory device based on dichroic reflective layer |
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| CN207517357U true CN207517357U (en) | 2018-06-19 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107767887A (en) * | 2017-12-06 | 2018-03-06 | 苏州盤谷信息光学有限公司 | A kind of holographic memory device based on dichroic reflective layer |
| CN111816221A (en) * | 2020-07-15 | 2020-10-23 | 谭小地 | Covering translation multiplexing type holographic data storage method and storage device |
| EP4105930A1 (en) | 2021-06-17 | 2022-12-21 | Amethystum Storage Technology Co., Ltd. | Transmission-type holographic optical storage medium and device, and method for recording and reading on two sides of storage medium |
-
2017
- 2017-12-06 CN CN201721677309.XU patent/CN207517357U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107767887A (en) * | 2017-12-06 | 2018-03-06 | 苏州盤谷信息光学有限公司 | A kind of holographic memory device based on dichroic reflective layer |
| CN111816221A (en) * | 2020-07-15 | 2020-10-23 | 谭小地 | Covering translation multiplexing type holographic data storage method and storage device |
| EP4105930A1 (en) | 2021-06-17 | 2022-12-21 | Amethystum Storage Technology Co., Ltd. | Transmission-type holographic optical storage medium and device, and method for recording and reading on two sides of storage medium |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20230504 Address after: Room 1206, Building 10, Zhonghai Huanyu Tianxia, No.1 Gaoxin Avenue, High tech Zone, Fuzhou City, Fujian Province, 350108 Patentee after: Tan Xiaodi Address before: 215000 Room 601, 7, 78 Ling Ling Road, hi tech Zone, Suzhou, Jiangsu. Patentee before: SUZHOU PANGU INFORMATION OPTICS CO.,LTD. |