CN1880060A - Optical recording medium - Google Patents
Optical recording medium Download PDFInfo
- Publication number
- CN1880060A CN1880060A CN 200510078101 CN200510078101A CN1880060A CN 1880060 A CN1880060 A CN 1880060A CN 200510078101 CN200510078101 CN 200510078101 CN 200510078101 A CN200510078101 A CN 200510078101A CN 1880060 A CN1880060 A CN 1880060A
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- Prior art keywords
- record medium
- optical record
- substrate
- phototropic
- dyestuff
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Abstract
The invention relates to an optical record media, which comprises: the first base plate, the second base plate and one reflective layer, wherein the second base plate has one light color change dye; the reflective layer is arranged between the first and second base plates. The invention uses the light color change dye to detect if the optical record medium in right condition; when the storage condition is not right, the media will show alarm mark; in addition, the invention will show different colors when in different lights.
Description
Technical field
The present invention is about a kind of optical record medium, especially in regard to a kind of optical record medium with phototropic dyestuff.
Background technology
Along with information and multimedia arriving from generation to generation, comprise that 3C (Computer, Communication, the Consumer electronics) product of computer, communication, consumer electronics also constantly increases for the storage density of Storage Media and the demand of capacity.Traditional Storage Media can be divided into two big classes haply, is respectively magnetic recording medium and optical record medium.Be to preponderate in the market with optical record medium, 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), high definition digital video signal video disc (HD-DVD), Blu-ray Disc (Blu-raydisc) or the like.
Please refer to Fig. 1, known optical record medium 10 is an example with a CD-ROM, and it has a substrate 11, a reflecting layer 12, a protective layer 13.Wherein, substrate 11 is a material with the Merlon, utilizes the injection molding board and penetrate to form, to make the have prerecording ditch groove substrate of (pre-grooved).Reflecting layer 12 is located on the substrate 11, and the material in reflecting layer 12 is simple metal or its alloy, for example is that silver or silver alloy and aluminium or aluminium close, gold or billon or the like, normally is used to form sputter or the evaporation mode forms.Optical record medium 10 utilizes reflecting layer 12 reflections one laser beam, and then can read the numerical data that is positioned at optical record medium 10.
For fear of the metal material in above-mentioned reflecting layer 12, can be exposed to the external world and produce oxidation or scratch, therefore after finishing above-mentioned steps, must above reflecting layer 12, be coated with protective layer 13 usually.Wherein, the material of protective layer 13 is used the acryl resin monomer, and it can produce the characteristic of polymerisation sclerosis after having irradiating ultraviolet light, can protect reflecting layer 12 by this.
In addition, in order to obtain consumer's favor, the dealer who makes optical record medium there's no one who doesn't or isn't racks one's brains, seeking change and innovation, to design the product that moulding is more dazzled, promotes occupation rate of market.Therefore the dealer of optical record medium mostly utilizes the printing-ink of different colours; on protective layer 13, carry out screen painting; with ink printing to protective layer 13; irradiating ultraviolet light is to form a printed layers 14 of different colours again; make the surface of CD sheet more attractive in appearance; the desire to purchase that stimulates consumer by this promotes dealer's whole competitiveness.
Yet, above-mentioned mode only changes the color of optical record medium outward appearance, there is no other extra effect, if the dealer can develop a kind of optical record medium with caution effect, make the environment of optical record medium according to its place, and the generation different colours, the pattern or the variation of literal, pass through the shown color of optical record medium in order to the consumer, pattern or literal judge easily whether the residing environment of optical record medium is fit to store optical record medium, for example when storage condition is not suitable for, the caution symbol appears at optical record medium, for the consumer is to have splendid practicality, interesting and unique, can attract the consumer to buy greatly.
Because the problems referred to above, this case inventor urgently thinks a kind of " optical record medium " of novelty, makes optical record medium can have the effect of caution, buys to attract the consumer.
Summary of the invention
Because above-mentioned problem, purpose of the present invention is for providing a kind of optical record medium, and it has a phototropic dyestuff.
For reaching above-mentioned purpose,, comprise one first substrate, one second substrate and a reflecting layer according to optical record medium of the present invention.Wherein, second substrate has a phototropic dyestuff, and the reflecting layer is arranged between first substrate and second substrate.
For reaching above-mentioned purpose,, comprise a substrate, a reflecting layer and a printed layers according to optical record medium of the present invention again.Wherein, the reflecting layer is arranged at a surface of substrate, and printed layers is arranged at a surface in reflecting layer, and printed layers has a phototropic dyestuff.
Moreover, for reaching above-mentioned purpose,, comprise a cover layer, a substrate and a reflecting layer according to optical record medium of the present invention.Wherein, substrate has a phototropic dyestuff, and the reflecting layer is arranged between cover layer and the substrate.
From the above, because of complying with optical record medium of the present invention, whether it is in unfavorable environment by a phototropic dyestuff in order to detection optical recording medium, when storage condition is not suitable for, can the caution symbol occur at optical record medium, to reach the effect of caution.In addition, optical record medium of the present invention more can produce different colours under the different light rays irradiation, for the consumer, have splendid interest and unique, can attract the consumer to buy.
Description of drawings
Fig. 1 is the schematic diagram of known optical record medium;
Fig. 2 is the vertical view of the optical record medium of preferred embodiment of the present invention
Fig. 3 is the generalized section of the dotted line a-a ' of Fig. 2;
Fig. 4 is the vertical view of the optical record medium of another preferred embodiment of the present invention;
Fig. 5 is the generalized section of the dotted line b-b ' of Fig. 4;
Fig. 6 is the present invention's vertical view of the optical record medium of a preferred embodiment again;
Fig. 7 is the generalized section of the dotted line c-c ' of Fig. 5.
Symbol description among the figure:
1 optical record medium
11 substrates
12 reflecting layer
13 protective layers
2 optical record mediums
21 first substrates
22 second substrates
221 phototropic dyestuffs
23 reflecting layer
3 optical record mediums
31 substrates
32 reflecting layer
33 printed layers
331 phototropic dyestuffs
34 protective layers
4 optical record mediums
41 cover layers
42 substrates
421 phototropic dyestuffs
43 reflecting layer
48 laser
The specific embodiment
Hereinafter with reference to relevant drawings, the optical record medium according to preferred embodiment of the present invention is described.Optical record medium of the present invention can be 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), high definition digital video signal video disc (HD-DVD), Blu-ray Disc (Blu-ray disc) or other know the known optical record medium of this operator.
See also Fig. 2 and shown in Figure 3, be respectively the generalized section of the dotted line a-a ' of the vertical view of optical record medium of preferred embodiment of the present invention and Fig. 2.The optical record medium of present embodiment is with read-only type Video CD (DVD-ROM) explanation.The optical record medium 2 of present embodiment comprises one first substrate 21, one second substrate 22 and a reflecting layer 23.
First substrate 21 is with a transparency carrier, its thickness is about 0.6mm, its material of first substrate 21 can be plastics, for example acrylic acid Acrylic, polycarbonate resin (PolyCarbonate, PC) or propylene-butadiene-styrene three copolymers (Acrylonitrile-butadiene-styrene, ABS).First substrate 21 utilizes on the template of a pothole (Pit) that is carved with record data and ditch rail (Grooves), plastics promptly can be produced first substrate 21 by the injection molding technology, in addition, first substrate 21 is by pothole (pit), in order to the signal data is stored in the optical record medium 2, can use a laser beam 48 to differentiate the signal data that reads optical record medium 2.
Reflecting layer 23 is arranged between first substrate 21 and second substrate 22.The material in the reflecting layer 23 of present embodiment is simple metal or its alloy, for example is silver or silver alloy, aluminum or aluminum alloy, gold or billon and semiconducting alloy film or the like.Wherein, the generation type in reflecting layer 23 normally utilizes sputter or evaporation mode to form.
In addition, also phototropic dyestuff 221 can be printed on the surface of second substrate 22, earlier phototropic dyestuff 221 is mixed back (ratio that phototropic dyestuff 221 is added into printing ink is about 1% to 10%) with a printing ink, by the screen printing technology with a pattern or text printout in the surface of second substrate 22, in the present embodiment, pattern is the face pattern of crying, as the usefulness of caution.
In the present embodiment, phototropic dyestuff 221 can be selected the phototropic dyestuff to the ultraviolet light reaction for use, and for example, not being subjected to before the UV-irradiation is clear, colorless, is subjected to become redness behind the UV-irradiation.Therefore, the optical record medium 2 of present embodiment is placed on one when outdoor, after being subjected to UV-irradiation, second substrate 22 of optical record medium 2 can present redness, and the surface at optical record medium 2 shows the face pattern of crying, the consumer judges present optical record medium 2 residing environment easily, is not suitable for optical record medium 2 and stores, and causes optical record medium 2 damages easily.
See also Fig. 4 and shown in Figure 5, be respectively the generalized section of the dotted line b-b ' of the vertical view of optical record medium of another preferred embodiment of the present invention and Fig. 4.The optical record medium of present embodiment is with a CD-ROM (CD-ROM) explanation.The optical record medium 3 of present embodiment comprises a substrate 31, a reflecting layer 32 and a printed layers 33.
The reflecting layer 32 of present embodiment is arranged at a surface of substrate 31, and the material in reflecting layer 32 is simple metal or its alloy, for example is silver or silver alloy, aluminum or aluminum alloy, gold or billon and semiconducting alloy film or the like.Wherein, the generation type in reflecting layer 32 normally utilizes sputter or evaporation mode to form.In addition, 32 the metal material for fear of the reflecting layer can be exposed to the external world and produces oxidation or scratch, therefore usually can coating one protective layer 34 between printed layers 33 and reflecting layer 32 in order to protect reflecting layer 32.
The printed layers 33 of present embodiment has a phototropic dyestuff 331, and it is printed in a pattern (in the present embodiment, being the face pattern of crying) on the surface in reflecting layer 32 with after a printing ink mixes.
Be placed on one when outdoor as above-mentioned optical record medium 3, after being subjected to UV-irradiation, surface at optical record medium shows the face pattern of crying, the consumer judges present optical record medium 3 residing environment easily, be not suitable for optical record medium 3 and store, cause optical record medium 3 damages easily.
See also Fig. 6 and shown in Figure 7, be respectively the present invention's generalized section of the dotted line c-c ' of the vertical view of the optical record medium of a preferred embodiment and Fig. 6 again.The optical record medium of present embodiment is with a Blu-ray Disc (Blu-ray disc) explanation.The optical record medium 4 of present embodiment comprises a cover layer 41, a substrate 42 and a reflecting layer 43.
Substrate 42 (also can be described as protective layer, protection layer) has a phototropic dyestuff 421 (Photochromic dyes), and optic metachromatic dyestuff 421 is doped in the substrate 42, and the thickness of substrate 42 is about 1.1mm.The substrate 42 of present embodiment earlier with phototropic dyestuff 421 with after plastics evenly mix, phototropic dyestuff 421 can be doped in substrate 42 by the injection molding technology again.
The reflecting layer 43 of present embodiment is arranged between cover layer (Cover layer) 41 and the substrate 42, and the material in reflecting layer 43 is simple metal or its alloy, for example is silver or silver alloy, aluminum or aluminum alloy, gold or billon and semiconducting alloy film or the like.Wherein, the generation type in reflecting layer 43 normally utilizes sputter or evaporation mode to form.In addition, the optical record medium 4 of present embodiment can use laser 48 to wear and penetrate cover layer 41, to read the data of optical record medium 4.
As from the foregoing, the dealer can be according to different optical record mediums, and phototropic is dye adulterated in substrate or be printed in the surface of optical record medium.Certainly, the dealer also can be doped in the substrate simultaneously or be printed in the surface of optical record medium, end sees that user demand selects it for use, except aforesaid way, the dealer more can be in the substrate or the surface of optical record medium, mixes or prints multiple phototropic dyestuff, makes it under the different light rays irradiation, the generation different colours changes, to improve consumer's desire to buy.
From the above, because of complying with optical record medium of the present invention, whether it is in unfavorable environment by a phototropic dyestuff in order to detection optical recording medium, when storage condition is not suitable for, can the caution symbol occur at optical record medium, to reach the effect of caution.In addition, optical record medium of the present invention more can produce different colours under the different light rays irradiation, for the consumer, have splendid interest and unique, can attract the consumer to buy.
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 (17)
1. an optical record medium is characterized in that, comprises:
One first substrate;
One second substrate, it has a phototropic dyestuff; And
One reflecting layer, it is arranged between this first substrate and this second substrate.
2. optical record medium as claimed in claim 1 is characterized in that, this phototropic is dye adulterated in this second substrate, and the ratio that this phototropic dyestuff adds is 0.1% to 0.3%.
3. optical record medium as claimed in claim 1 is characterized in that, this phototropic dyestuff forms a significant pattern or a literal.
4. optical record medium as claimed in claim 1, it is characterized in that this phototropic dyestuff is arranged at a surface of this second substrate, this phototropic dyestuff mixes with a printing ink, printing is to this surface of this second substrate, and wherein to be added into the ratio of this printing ink be 1% to 10% to this phototropic dyestuff.
5. optical record medium as claimed in claim 1 is characterized in that, this phototropic dyestuff is Spyropyran oxazine, Spirooxazine, Azobenzenes, Salicylideneanilines, Fulgides or Spiropyrans.
6. optical record medium as claimed in claim 1 is read-only type digital video video disc DVD-ROM, write dispensable mould digital video video disc DVD+/-R, re-writeable digital video video disc DVD+/-RW, arbitrary access optical digital disk DVD-RAM or high definition digital video signal video disc HD-DVD.
7. an optical record medium is characterized in that, comprises:
One substrate;
One reflecting layer, it is arranged at a surface of this substrate; And
One printed layers, it is arranged at a surface in this reflecting layer, and this printed layers has a phototropic dyestuff.
8. optical record medium as claimed in claim 7 is characterized in that, this phototropic dyestuff mixes this printed layers of formation with a printing ink, and the ratio that this phototropic dyestuff is added into this printing ink is 1% to 10%.
9. optical record medium as claimed in claim 7 is characterized in that, this phototropic dyestuff is Spyropyran oxazine, Spirooxazine, Azobenzenes, Salicylidene anilines, Fulgides or Spiropyrans.
10. optical record medium as claimed in claim 7 is CD, CD-R or CD-RW.
11. an optical record medium is characterized in that, comprising:
One cover layer;
One substrate, it has a phototropic dyestuff; And
One reflecting layer, it is arranged between this cover layer and this substrate.
12. optical record medium as claimed in claim 11 is characterized in that, this phototropic is dye adulterated in this substrate, and the ratio that this phototropic dyestuff adds is 0.1% to 0.3%.
13. optical record medium as claimed in claim 11 is characterized in that, this phototropic dyestuff is arranged at a surface of this substrate, and this a phototropic dyestuff and an ink printing are to this surface, and the ratio that this phototropic dyestuff is added into this printing ink is 1% to 10%.
14. optical record medium as claimed in claim 11 is characterized in that, this phototropic dyestuff is Spyropyran oxazine, Spirooxazine, Azobenzenes, Salicylideneanilines, Fulgides or Spiropyrans.
15. optical record medium as claimed in claim 11 is characterized in that, a laser is worn and is penetrated this cover layer, in order to read, to write or to erase the data of this optical record medium.
16. optical record medium as claimed in claim 11 is a Blu-ray Disc.
17. optical record medium as claimed in claim 11 is characterized in that, this phototropic dyestuff forms a significant pattern or a literal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510078101 CN1880060A (en) | 2005-06-16 | 2005-06-16 | Optical recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510078101 CN1880060A (en) | 2005-06-16 | 2005-06-16 | Optical recording medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1880060A true CN1880060A (en) | 2006-12-20 |
Family
ID=37518511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510078101 Pending CN1880060A (en) | 2005-06-16 | 2005-06-16 | Optical recording medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1880060A (en) |
-
2005
- 2005-06-16 CN CN 200510078101 patent/CN1880060A/en active Pending
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