CN1881435A - Optical recording medium - Google Patents
Optical recording medium Download PDFInfo
- Publication number
- CN1881435A CN1881435A CNA2005100780998A CN200510078099A CN1881435A CN 1881435 A CN1881435 A CN 1881435A CN A2005100780998 A CNA2005100780998 A CN A2005100780998A CN 200510078099 A CN200510078099 A CN 200510078099A CN 1881435 A CN1881435 A CN 1881435A
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- CN
- China
- Prior art keywords
- heat discoloration
- optical record
- record medium
- substrate
- dyestuff
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention relates to a light record media, which comprises the first base plate, the second base plate and one reflective layer, wherein the second base plate has one temperature sensitive color change dye; the reflective layer is between the first and second base plates. The invention uses the temperature sensitive color change dye to check if the media is in inadaptable condition; when the storage temperature is inadaptable, there is alarm mark in the media. And in different temperatures, it has different color changes, to alarm the consumer.
Description
Technical field
The present invention is about a kind of optical record medium, particularly about a kind of optical record medium with heat discoloration dyestuff.
Background technology
Along with information and multimedia arriving from generation to generation, comprise that 3C (Computer, Communication, the Consumer electronics) product of computing machine, 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-ray disc) or the like.
Please refer to Fig. 1, known optical record medium 1 is an example with a CD-ROM, and it has a substrate 11, a reflection horizon 12, a protective seam 13.Wherein, substrate 11 is a material with the polycarbonate, utilizes the injection molding board to penetrate and forms, to make the have prerecording ditch groove substrate of (pre-grooved).Reflection horizon 12 is located on the substrate 11, and the material in reflection horizon 12 is simple metal or its alloy, for example is silver or silver alloy and aluminum or aluminum alloy, gold or billon or the like, normally utilizes sputter or evaporation mode to form.Optical record medium 1 utilizes reflection horizon 12 reflections one laser beam, and then can read the numerical data that is positioned at optical record medium 1.
For fear of the metal material in above-mentioned reflection horizon 12, can be exposed to the external world and produce oxidation or scratch, therefore after finishing above-mentioned steps, must above reflection horizon 12, be coated with protective seam 13 usually.Wherein, the material of protective seam 13 is used the acryl resin monomer, and it can produce the characteristic of polyreaction sclerosis after having irradiating ultraviolet light, can protect reflection horizon 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 market share.Therefore the dealer of optical record medium mostly utilizes the printing-ink of different colours; on protective seam 13, carry out screen painting; with ink printing to protective seam 13; irradiating ultraviolet light is to form a printed layers 14 of different colours again; make the surface of discs 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 temperature of optical record medium according to its place, and the generation different colours, the pattern or the variation of literal, so that the consumer is by means of the shown color of optical record medium, 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 caution and along with environment temperature produces the effect of change color, 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 heat discoloration dyestuff, and it in order to detecting the temperature environment of this optical record medium, and can show the caution symbol by this heat discoloration dyestuff.
For reaching above-mentioned purpose,, comprise one first substrate, one second substrate and a reflection horizon according to optical record medium of the present invention.Wherein, second substrate has a heat discoloration dyestuff, and the reflection horizon is arranged between first substrate and second substrate.
For reaching above-mentioned purpose,, comprise a substrate, a reflection horizon and a printed layers according to optical record medium of the present invention.Wherein, the reflection horizon is arranged at a surface of substrate, and printed layers is arranged at a surface in reflection horizon, and printed layers has a heat discoloration dyestuff.
Moreover, for reaching above-mentioned purpose,, comprise an overlayer, a substrate and a reflection horizon according to optical record medium of the present invention.Wherein, substrate has a heat discoloration dyestuff, and the reflection horizon is arranged between overlayer 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 heat discoloration dyestuff in order to detection optical recording medium, when storage temperature is not suitable for, can the caution symbol appear at optical record medium, to reach the effect of caution.In addition, optical record medium of the present invention more can produce different colours and change under the varying environment temperature, for the consumer, has splendid interest and unique, can attract the consumer to buy.
Description of drawings
Fig. 1 is the synoptic 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 diagrammatic cross-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 diagrammatic cross-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 diagrammatic cross-section of the dotted line c-c ' of Fig. 6.
Symbol description among the figure:
1 optical record medium
11 substrates
12 reflection horizon
13 protective seams
2 optical record mediums
21 first substrates
22 second substrates
221 heat discoloration dyestuffs
23 reflection horizon
3 optical record mediums
31 substrates
32 reflection horizon
33 printed layers
331 heat discoloration dyestuffs
34 protective seams
4 optical record mediums
41 overlayers
42 substrates
421 heat discoloration dyestuffs
43 reflection horizon
48 laser
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 shown in Figure 2ly, be the vertical view of the optical record medium of preferred embodiment of the present invention, Fig. 3 is the diagrammatic cross-section of Fig. 2 dotted line a-a '.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 reflection horizon 23.
First substrate 21 is a transparency carrier, its thickness is about 0.6mm, the material of first substrate 21 can be a plastic material, for example acrylic acid (Acrylic), polycarbonate resin (PolyCarbonate, PC) or propylene-butadiene-styrene three multipolymers (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 laser 48 to differentiate the signal data that reads optical record medium 2.
Second substrate 22 has a heat discoloration dyestuff (Photochromic dyes) 221, and it is doped in second substrate 22, and the thickness of second substrate 22 is about 0.6mm.In the present embodiment, heat discoloration dyestuff 221 can be cobalt chloride-hexamethylene tetramine (CoCl
2-2C
6H
12N
4-10H
20), mercuric iodixde (HgI
2) or the heat discoloration micro-capsule dyes.At this, heat discoloration dyestuff 221 is based on temperature variation, and then produces the dyestuff of metachromatism, and it can be along with rising on the environment temperature or decline, changes colour repeatedly.For example, cobalt chloride-hexamethylene tetramine is raised to Celsius 35 when spending in temperature, becomes sky blue with regard to losing water of crystallization, absorbs airborne moisture when temperature descends again, returns to primary colors.Again, the mercuric iodixde of red square when being heated to Celsius 137 when spending, can become the rhomboidal crystal of cyan, be cooled to room temperature after, return to the quadratic crystal of original redness again.
In the present embodiment,, heat discoloration dyestuff of the present invention is described to be example with the heat discoloration micro-capsule dyes after the heat discoloration dye microcapsuleization.The heat discoloration microcapsules have three kinds to be respectively heat discoloration powder, heat discoloration aqueous emulsion and heat discoloration plastic color master grain haply at present.Wherein, heat discoloration powder and heat discoloration plastic color master grain are the material of organic solvent type, and the heat discoloration aqueous emulsion then is a water-soluble material.Can be divided into cold modification, thermal change type and other type heat discoloration micro-capsule dyes haply according to heat discoloration micro-capsule dyes variable color situation.Cold modification is this body colour at low temperatures mostly, when temperature is increased to room temperature, then levels off to colourless.Thermal deformation at room temperature is this body colour mostly, when temperature raises, then levels off to colourless.Other type then is to utilize different temperatures to present two kinds of different colours.
In the present embodiment, second substrate 22 earlier with heat discoloration dyestuff 221 with after plastics evenly mix, promptly can produce second substrate 22 that is doped with heat discoloration dyestuff 221 by the injection molding technology again.Certainly, also multiple heat discoloration dyestuff 221 can be doped in second substrate 22 simultaneously, make it under the varying environment temperature, produce different colours and change, to increase interest.Wherein, the ratio of heat discoloration dyestuff interpolation is about 0.1 to 0.3%.
Reflection horizon 23 is arranged between first substrate 21 and second substrate 22.The material in the reflection horizon 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 reflection horizon 23 normally utilizes sputter or evaporation mode to form.
In addition, also heat discoloration dyestuff 221 can be printed on the surface of second substrate 22, earlier heat discoloration dyestuff 221 is mixed back (ratio that the heat discoloration dyestuff 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, the interior 22 heat discoloration dyestuffs 221 that mixed of second substrate at room temperature present colourless, when environment temperature raises, then change redness into.Therefore, when the optical record medium 2 of present embodiment is placed in the too high environment of temperature, 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 can judge present optical record medium 2 residing environment temperatures easily by vision, whether be fit to optical record medium 2 and store, whether can cause optical record medium 2 damages.
See also shown in Figure 4ly, be the vertical view of the optical record medium of another preferred embodiment of the present invention, and Fig. 5 is the diagrammatic cross-section of Fig. 4 dotted line b-b '.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 reflection horizon 32 and a printed layers 33.
The reflection horizon 32 of present embodiment is arranged at a surface of substrate 31, and the material in reflection horizon 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 reflection horizon 23 normally utilizes sputter or evaporation mode to form.
The printed layers 33 of present embodiment has a heat discoloration dyestuff 331, and it is printed in a pattern (in the present embodiment, being the face pattern of crying) on the surface in reflection horizon 32 with after a printing ink mixes.In addition, 32 the metal material for fear of the reflection horizon can be exposed to the external world and produces oxidation or scratch, therefore usually can coating one protective seam 34 between printed layers 33 and reflection horizon 32 in order to protect reflection horizon 32.
When being placed on the too high environment of temperature as above-mentioned optical record medium 3, surface at optical record medium shows the face pattern of crying, the consumer can judge present optical record medium 3 residing environment easily by vision, be not suitable for optical record medium 3 and store, cause optical record medium 3 damages easily.
See also shown in Figure 6ly, be the present invention's vertical view of the optical record medium of a preferred embodiment again, and Fig. 7 is the diagrammatic cross-section of the dotted line c-c ' of Fig. 6.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 an overlayer 41, a substrate 42 and a reflection horizon 43.
Substrate 42 (also can be described as protective seam, protection layer) has a heat discoloration dyestuff 421 (Photochromic dyes), and it is doped in the substrate 42, and the thickness of substrate 42 is about 1.1mm.The substrate 42 of present embodiment earlier with heat discoloration dyestuff 421 with after plastics evenly mix, promptly can produce substrate 42 by the injection molding technology again.
The reflection horizon 43 of present embodiment is arranged between overlayer (Cover layer) 41 and the substrate 42, and the material in reflection horizon 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 reflection horizon 43 normally utilizes sputter or evaporation mode to form.
As from the foregoing, the dealer can be according to different optical record mediums, and heat discoloration 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, depends on selecting for use of user demand.
From the above, because of complying with optical record medium of the present invention, whether it is in unfavorable environment by a heat discoloration dyestuff in order to detection optical recording medium, when storage condition is not suitable for, can the caution symbol appear at optical record medium, to reach the effect of caution.In addition, optical record medium of the present invention more can produce different colours and change under the varying environment temperature, for the consumer, has splendid interest and unique, can attract the consumer to buy.
The above only is an illustrative, but not is restricted.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 (15)
1. an optical record medium is characterized in that, comprises:
One first substrate;
One second substrate, it has a heat discoloration dyestuff; And
One reflection horizon, 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 heat discoloration is dye adulterated in this second substrate, and wherein the ratio of this heat discoloration dyestuff interpolation is 0.1 to 0.3%.
3. optical record medium as claimed in claim 1 is characterized in that, this heat discoloration dyestuff forms a significant pattern or a literal.
4. optical record medium as claimed in claim 1, it is characterized in that this heat discoloration dyestuff is arranged at a surface of this second substrate, this heat discoloration 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 heat discoloration dyestuff.
5. optical record medium as claimed in claim 1 is characterized in that, this heat discoloration dyestuff is cobalt chloride-hexamethylene tetramine, mercuric iodixde or heat discoloration microcapsules pigment.
6. optical record medium as claimed in claim 1 be DVD-ROM, DVD+/-R, DVD+/-RW, DVD-RAM or HD-DVD.
7. an optical record medium is characterized in that, comprises:
One substrate;
One reflection horizon, it is arranged at a surface of this substrate; And
One printed layers, it is arranged at a surface in this reflection horizon, and this printed layers has a heat discoloration dyestuff.
8. optical record medium as claimed in claim 7 is characterized in that, this heat discoloration dyestuff mixes this printed layers of formation with a printing ink, and the ratio that this heat discoloration 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 heat discoloration dyestuff is cobalt chloride-hexamethylene tetramine, mercuric iodixde or heat discoloration microcapsules pigment.
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 overlayer;
One substrate, it has a heat discoloration dyestuff; And
One reflection horizon, it is arranged between this overlayer and this substrate.
12. optical record medium as claimed in claim 11 is characterized in that, this heat discoloration is dye adulterated in this substrate, and the ratio that this heat discoloration dyestuff adds is 0.1 to 0.3%.
13. optical record medium as claimed in claim 11 is characterized in that, this heat discoloration dyestuff is arranged at a surface of this substrate, and this a heat discoloration dyestuff and an ink printing are to this surface, and the ratio that this heat discoloration 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 heat discoloration dyestuff is cobalt chloride-hexamethylene tetramine, mercuric iodixde or heat discoloration microcapsules pigment.
15. optical record medium as claimed in claim 11 is a Blu-ray Disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100780998A CN1881435A (en) | 2005-06-16 | 2005-06-16 | Optical recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100780998A CN1881435A (en) | 2005-06-16 | 2005-06-16 | Optical recording medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1881435A true CN1881435A (en) | 2006-12-20 |
Family
ID=37519599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100780998A Pending CN1881435A (en) | 2005-06-16 | 2005-06-16 | Optical recording medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1881435A (en) |
-
2005
- 2005-06-16 CN CNA2005100780998A patent/CN1881435A/en active Pending
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|---|---|---|---|
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |