CN1848264A - Optical information recording medium - Google Patents
Optical information recording medium Download PDFInfo
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- CN1848264A CN1848264A CN200610007621.8A CN200610007621A CN1848264A CN 1848264 A CN1848264 A CN 1848264A CN 200610007621 A CN200610007621 A CN 200610007621A CN 1848264 A CN1848264 A CN 1848264A
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Abstract
The present invention provides an optical information recording medium wherein a boundary line generated in an image printed on a label surface according to a reflective condition is eliminated and bonding strength in the vicinity of a center hole is enhanced. In the optical information recording medium formed by bonding a dummy substrate 16 onto a substrate 10 for recording and reproduction via an adhesive layer 18, the substrate 10 has a recording area 15 where a pre-groove 101 for tracking is formed and a clamping area 14 where a dummy groove 102 not for recording and reproduction is formed and the groove depth of the dummy groove 102 is made shallower than the groove depth of the pre-groove 101 so that a groove shape after a reflection layer 104 is formed on the dummy groove 102 and a groove shape after a dye layer 103 and the reflection layer 104 are formed on the pre-groove 101 are made nearly equal to each other.
Description
Technical field
The present invention relates to a kind of optical information recording media, in more detail, but relate to a kind of optical information recording media with typographic(al) mark (label) face.
Background technology
In recent years, CD such as CD-R/CD-RW (compare, and the DVD (numeral (digital) multi-purpose disk) with several times recording capacity is widely used as the carrier of information such as image such as record film and sound by compact disk (compact-disc).At present, in such DVD, on the surface of the blank that is arranged on an opposite side (dummy) substrate (mark (label) face), be provided with the face (printed layers) that uses printer (printer) etc. can print the information picture etc. of hope with the record regenerating light inlet side.Recently, the someone has proposed following scheme: the printed layers of mark (label) face is expanded to clamping (clamping) zone (area) that is arranged on all sides in the posting field (area), improve commodity value but enlarge printing surface.
, contain for recording layer among the rewriting type DVD-R and DVD-RW of organic dyestuff, posting field (area) is different with the layer structure of clamping zone.Because in the contrast (contrast) of the picture that is printed onto the posting field of printed layers (area) and be printed onto and produce difference aspect the contrast of picture in clamping (clamping) zone (area), its result exists in the problem that has boundary line in the picture.
As ways of addressing this issue, following a kind of method is for example disclosed: form and the identical shaped groove of pre-groove (pre-groove) that carries out record regenerating up to clamping (clamping) zone (area), and then set gradually dye coating, reflection horizon, adhesive linkage thereon in order, form the layer structure identical, eliminate posting field (area) and clamping zone (area) boundary line (with reference to patent documentation 1) thus with posting field (area).
[patent documentation 1] spy opens the 2004-139697 communique.
Yet, said as patent documentation 1, when the identical shaped groove of pre-groove (pre-groove) that in formation of clamping (clamping) zone (area) of DVD and posting field (area), carries out record regenerating, and then set gradually dye coating etc. thereon in order, when forming the layer structure identical with posting field (area), particularly forming under the situation of organic dye layer, needing complicated operations and manufacturing cost to increase by methods such as spin coating (spin-coat) methods.
And well-known, center pit (center-hall) clamping (clamping) zone (area) on every side is the concentrated very high part of stress when DVD is installed to driver or when driver takes out.Therefore, when when clamping (clamping) zone (area) setting contains the recording layer of organic dyestuff, concentrate high clamping (clamping) zone (area) because little with the bounding force ratio of the interface of reflectance coating at stress at the bounding force of substrate and reflectance coating or other interface such as substrate and organic dyestuff at organic dyestuff, so formed the cementability decline of substrate with blank (dummy) substrate of pre-groove (pre-groove), there is the danger that damages DVD in its result.
Summary of the invention
The present invention invents in order to address this problem.
That is, the object of the present invention is to provide a kind of optical information recording media, the picture that is printed on the index face can not produce boundary line with the light reflection case, and has strengthened near the bond strength the center pit (center-hole).
In order to solve the above problems, in the present invention, clamping (clamping) zone (area) formed with at the difform groove of the formed pre-groove of posting field (area).
Promptly, according to the present invention, a kind of optical information recording media is provided, its substrate that has been bonding and blank (dummy) substrate that is printed layer clamping (clamping) zone (area) and corresponding part being provided with of posting field (area) with substrate, it is characterized by: substrate have posting field (area) go up formed record regenerating with pre-groove (pre-groove) and posting field (area) in set clamping (clamping) zone (area) of all sides go up and form, with pre-groove (pre-groove) variform non-record regenerating with blank (dummy) groove.
Here, in optical information recording media of the present invention, on the surface of the pre-groove that is formed at posting field (area) (pre-groove), form recording layer and reflection horizon in order, on the other hand, on the surface of blank (dummy) groove that is formed at clamping (clamping) zone (area), only form the reflection horizon, can make the ditch shape of the ditch shape that forms the pre-groove (pre-groove) after the reflection horizon and blank (dummy) groove identical substantially thus, can eliminate the posting field (area) that is printed in the layer and the boundary line of clamping (clamping) regional (area).
In addition, in optical information recording media of the present invention, be printed being provided with of blank substrate on the opposite face of face of layer, especially with clamping (clamping) zone (area) corresponding part, at least be provided with the identical shaped ditch of pre-groove (pre-groove) or be provided with and the identical shaped ditch of blank (dummy) groove, can improve the cementability of substrate and blank (dummy) substrate thus.
In addition, according to the present invention, a kind of optical information recording media is provided, it is characterized by: have the record regenerating that formed stacked in order from the teeth outwards recording layer and reflection horizon with pre-groove (pre-groove) and only stacked from the teeth outwards reflection horizon, with the substrate of the difform non-record regenerating of pre-groove (pre-groove) with blank (dummy) groove, by the adhesive linkage that forms on top, reflection horizon, handle is provided with blank (dummy) substrate and the base plate bonding that is printed layer on the face of an opposite side with adhesive linkage.
As mentioned above, in optical information recording media of the present invention, it is characterized by: make recording layer stacked with the reflection horizon after the ditch depth of pre-groove (pre-groove) and the ditch depth of the only stacked blank in reflection horizon (dummy) groove equate substantially.
And preferred recording layer contains the organic dyestuff compound.
Secondly, according to the present invention, a kind of optical information recording media is provided, its by adhesive linkage bonding have be printed the layer blank (dummy) substrate and record regenerating substrate, it is characterized by: substrate possesses to have formed seeks rail with the posting field (area) of pre-groove (pre-groove) with formed and being recorded clamping (clamping) zone (area) of regeneration with blank (dummy) groove, for the ditch shape after on blank (dummy) groove, having formed the reflection horizon with on pre-groove (pre-groove), formed the recording layer that contains organic dyestuff and the ditch shape after the reflection horizon and equated substantially, be shallower than the ditch shape of ditch depth ground formation blank (dummy) groove of pre-groove (pre-groove).
Here, in optical information recording media of the present invention, it is characterized by: blank (dummy) substrate top form be printed in the layer with clamping (clamping) zone (area) corresponding part on printed picture contrast (contrast) with the corresponding part of posting field (area) on the difference of contrast (contrast) of printed picture reduce.
And, according to the present invention, a kind of optical information recording media is provided, it is bonding has the substrate and blank (dummy) substrate of recording layer, it is characterized by: have the posting field (area) that is arranged on substrate surface, stacked recording layer seek rail (tracking) with pre-groove (pre-groove); Be arranged on clamping (clamping) zone (area) of substrate surface, be shallower than blank (dummy) groove that pre-groove (pre-groove) forms; And on mark (label) face of blank (dummy) substrate, cover the layer that is printed that is provided with clamping (clamping) zone (area) and the corresponding part of posting field (area).
Here, in optical information recording media of the present invention, have in the reflection light quantity substantially identical feature of the reflection light quantity of the posting field (area) that has formed the recording layer that contains organic dyestuff and reflection horizon on the pre-groove (pre-groove) in order, eliminate the problem that the posting field (area) that is printed on the layer and clamping (clamping) zone (area) produce boundary line with clamping (clamping) zone (area) that on blank (dummy) groove, has only formed the reflection horizon.
According to the present invention, strengthened near the bond strength of center pit of optical information recording media, and picture printed on mark (label) face can not produce boundary line with the light reflection case.
Description of drawings
Fig. 1 is used to illustrate the optical information recording media of embodiment of the present invention.
Fig. 2 is near the sectional view of clamping zone that is used to illustrate optical information recording media.
Embodiment
Below, with reference to description of drawings preferred forms of the present invention is described.In addition, it is to be defined in following embodiment that the present invention has more than, and also can carry out various distortion under the situation that does not exceed its scope.And the accompanying drawing of use is to be the explanation present embodiment, does not represent the size of its reality.
Fig. 1 is used to illustrate the optical information recording media of embodiment of the present invention.Fig. 1 (a) is the planimetric map of seeing from signal face one side of the record regenerating light incident substrate 10 of optical information recording medium 100.Fig. 1 (b) is the planimetric map of seeing from index face (label) side of blank (dummy) substrate 16 that is printed layer 17 that is provided with optical information recording medium 100.
Shown in Fig. 1 (a), optical information recording medium 100 has circular substrate 10, is provided with center pit (center-hall) 11 at the central part of substrate 10.Around center pit (center-hall) 11, with the concentric circles setting: in injection molding forming as stamper (stamper) indent 12 of mold pressing part, the bobbin (stack-rib) 13 that when regulation that optical information recording medium 100 is packed into drives (drive), uses.Shown in Fig. 1 (a), at interior all side formation clampings (clamping) zone of bobbin (stack-rib) 13 (area) 14, at the outer circumferential side formation posting field (area) 15 of bobbin (stack-rib) 13.
Then, shown in Fig. 1 (b), on mark (label) surface of optical information recording medium 100, be provided with blank stacked on substrate 10 (dummy) substrate 16, to form and cover clamping (clamping) zone (area) 14 and posting field (area) 15 by printable layers 17 that is printed such as printers (printer).
Then, the layer structure to optical information recording media 100 describes.
Fig. 2 is near the sectional drawing the clamping that optical information recording medium 100 is described (clamping) zone (area) 14.As shown in Figure 2, optical information recording medium 100, have such structure, the substrate of being made up of translucent material 10 of center pit (center-hall) 11 promptly will be set by adhesive linkage 18, bonding mutually with blank (dummy) substrate 16 that forms with substrate 10 identical materials.On the surface of substrate 10, what have the regulation shape seeks rail (tracking) with pregroove marks (pre-groove) 101, is formed concentric circles or spiral form.In addition, spreading on the posting field (area) 15 of outer circumferential side, be provided with pre-pit (pit) as required or seek rail (tracking) usefulness and the pattern (pattern) of the regulation that the address is used for recorded information from bobbin (stack-rib) 13.
On (area) 14 of clamping (clamping) zone on substrate 10 surfaces, in the scope till stamper (stamper) indent 12 of interior all sides, formed and pregroove marks (pre-groove) 101 difform blank (dummy) grooves 102 that on posting field (area) 15, form.
On the pregroove marks (pre-groove) 101 that posting field (area) 15 forms, stacked in order dye coating 103 and the reflection horizon 104 that contains the organic dyestuff compound.On the other hand, on blank (dummy) groove 102 of clamping (clamping) zone (area) 14 formation, reflection horizon 104 only is set.
On the surface of blank (dummy) substrate 16, be covered substrate 10 clampings (clamping) zone (area) 14 and posting field (area) 15, be provided with and be printed layer 17, can print the picture of regulation by printer (printer) etc.On the face of adhesive linkage 18 1 sides, form the identical ditch 161 of pregroove marks (pre-groove) 101 shapes that the surface with at substrate 10 of blank (dummy) substrate 16 forms and with the identical ditch 162 of blank (dummy) groove 102 shapes.
As shown in Figure 2, in the optical information recording media 100 of present embodiment, have following feature: substrate 10 surfaces, the shape of blank (dummy) groove 102 that forms at clamping zone 14 is different with shape at the pre-groove 101 of posting field 15 formation.That is, the depth as shallow of the depth ratio pre-groove 101 of blank groove 102 ground forms.
As described later, when on the surface of pre-groove 101, having formed the dye coating 103 that contains the organic dyestuff compound by the film forming method, owing to accumulate on the pre-groove 101 after having formed dye coating 103 the organic dyestuff compound arranged, the pit shape on dye coating 103 surfaces is identical substantially with the shape on blank groove 102 surfaces that do not form dye coating 103, because the pit shape on dye coating 103 surfaces is identical substantially with the shape on blank groove 102 surfaces that do not form dye coating 103, thus, it is also identical substantially to have formed the pit shape of clamping zone 14 after the reflection horizon 104 and posting field 15 on these surfaces.
That is the pit depth (Db) of the pit depth (Da) wide with half range (Wa) when, being provided with reflection horizon 104 on the surface of the dye coating 103 of posting field 15 when being provided with reflection horizon 104 on the surface of the blank groove 102 of clamping zone 14 is identical substantially respectively with half range wide (Wb).
Its result, because the reflection light quantity of clamping (clamping) zone (area) 14 and posting field (area) 15 equates substantially, so can not observe the printed picture of printed layers 17 and (clamping) zone (area) 14 corresponding parts and with the boundary line of the picture of posting field (area) 15 corresponding parts printings, eliminate and see this problem that has boundary line in the picture that on being printed layer, prints.
In addition, as forming the method that dye coating 103 surface crater shape afterwards is identically formed blank (dummy) groove 102 substantially, be not particularly limited with using the film forming method.For example can enumerate following method: dye coating 103 shape is afterwards formed at the top that is determined at the pre-groove (pre-groove) 101 of posting field (area) 15 in advance, according to the shape of the shape decision blank groove of being measured (dummy) 102.
In addition, in the optical information recording medium 100 that present embodiment is suitable for, it is characterized in that: substrate 10 surfaces, institute forms the surface of blank (dummy) groove on (area) 14 of clamping (clamping) zone, does not form the dye coating 103 that contains the organic dyestuff compound.
That is, do not form dye coating 103, improve the stickability that stress is concentrated substrate 10 with blank (dummy) substrate 16 of high clamping (clamping) zone (area) 14 by near blank (dummy) groove 102 surfaces center pit (center-hall) 11.Its result can prevent when go up to install taking out optical information recording medium 100 at driver (drive) when, near the damage the center pit (center-hall) 11.
In addition, in the present embodiment, surface in adhesive linkage 18 1 sides of blank (dummy) substrate 16, by forming identical shaped ditch 161 of the pregroove marks (pre-groove) that forms with surface 101 and the ditch 162 identical shaped, can improve the stickability of blank (dummy) substrate 16 with blank (dummy) groove 102 at substrate 10.Particularly in the scope corresponding with the clamping (clamping) of substrate 10 zone (area) 14, by forming the ditch 162 identical shaped, can further improve the stickability that stress is concentrated substrate 10 with blank (dummy) substrate 16 of high clamping (clamping) zone (area) 14 with blank (dummy) groove 102 of substrate 10.
Then, the material to each layer of the optical information recording media 100 that constitutes present embodiment describes.
Substrate 10 is formed by translucent material.As translucent material, for example can enumerate synthetic resin such as polycarbonate resin, many methacrylates first resin, epoxy resin, ABS resin, glass (glass) etc.In these materials, if consider its easily property handled, polycarbonate resin, many methacrylates first resin etc. is preferred.
Dye coating 103, can be with the dye solution of organic dyestuff compound dissolving back modulation in the solvent of regulation, on the pregroove marks (pre-groove) 101 that forms on the posting field (area) 15 of substrate 10, be coated with the back film forming by spin coating (spin-coat) method etc.As the organic dyestuff compound, for example can enumerate quinoline blue based dye, squarylium based dye, gram ketone based dye, sky blue based dye, triallylamine based dye, anthraquinone based dye, containing metal azo based dye, two thiophenol metallic complex salt based dye, India's anilinate fluor-complex based dye, phthalocyanine based dye, your first based dye of naphthalene etc.Can use these dyestuffs also can and to use separately.
In addition, be used to modulate the solvent of dye solution, for example can enumerate, ethyl cellosolve, methyl cellosolve, methyl alcohol, tetrafluoro close propyl alcohol etc.Moreover, on dye coating 103, except that the organic dyestuff compound, also can add lemon dyestuffs such as antioxidant, two thiophenol fluor-complexs; The bonding agent of cellulose nitrate, cellulose triacetate, ketone-based resins, acryl resin, polyvinyl butyral, polyolefin etc. (binder) etc.
Reflection horizon 104 is with metal or their alloy materials such as Au, Ag, Cu, Ni, Al, Pt, by formation such as vacuum vapour deposition, cathode vacuum spraying plating (sputtering) method, ion plating (ion-plating) methods.In these materials, Ag, Al are preferred.
Adhesive linkage 18 can be with sticker, by spin coating method (spin-coat), intaglio plate (gravure) coating, spraying coating (spray-coat), roller coat methods such as (roll-coat), and coating on reflection horizon 104 and forming.As sticker, for example can enumerate UV cured property acrylic resin, UV cured epoxy resin, UV cured bonding agent, epoxy adhesive, silicone-based resin, silicone adhesive agent, hotmelt etc.
Blank (dummy) substrate 16 it is desirable to, and adopts with substrate 10 identical materials to form.By adopting identical materials to form blank (dummy) substrate 16 and substrate 10, can prevent mutually bonding they the time the warpage of dish.
Be printed layer 17, after the water-based coating fluid that will contain uv-hardening resin is coated in above blank (dummy) substrate 16, its sclerosis back formed by the ultraviolet ray irradiation.As uv-hardening resin, for example can enumerate hydroxyethyl (partially) acrylate, hydroxypropyl (partially) acrylate, hydroxybutyl (partially) acrylate, hydroxyl amyl group (partially) acrylate, phenoxy group hydroxypropyl (partially) acrylate, chlorine hydroxypropyl (partially) acrylate, diglycol ethylene glycol one (partially) acrylate, trietbhlene glycol one (partially) acrylate, polyglycol one (partially) acrylate, two propyleneglycoles one (partially) acrylate, glycol polypropylene one (partially) acrylate, glycerine list (partially) acrylate, glycerine two (partially) acrylate, pentaerythrite (partially) acrylate, the sweet ammonia diether of phenyl (partially) acrylate, dipentaerythritol five (partially) acrylate, the acrylate resin of time (partially) acrylate of dihydric phenol A epoxy resin etc. etc.
As the bridge formation monomer that in these resins, adds, for example can enumerate trimethyl propane (partially) acrylate, propylene trimerization isocyanide, 1,4-butylene glycol time (partially) acrylate, 1,6-ethylene glycol time (partially) acrylate, dimethyltrimethylene glycol time (partially) acrylate, bicyclopentadiene phenyl time (partially) acrylate, pentaerythrite (partially) acrylate etc.
The atomic group catalyzer of using as sclerous reaction, for example can enumerate the thioxanthene ketone of the anthraquinone class, 2 of the propionyl benzophenone system of acetophenols such as 1-hydroxyl ring ethyl benzophenone, 2-hydroxyl 2-first-1-phenyl-propane-1-ketone, 2,2-diethoxy acetophenol, 4-phenoxy group-2,2-ww-dichloroacetophenone phenol system, 2-hydroxy-2-methyl propionyl phenolic aldehyde etc., 2-chloro anthraquinone etc., 4-diethyl thioxanthone etc.
Below, according to embodiment present embodiment is more specifically illustrated.In addition, the present invention just is not defined in this embodiment.
(embodiment)
Use stamper (stamper) will gather carbonic acid resin injection moulding, be shaped to the circular substrate of thick 0.6mm, external diameter φ 120mm, internal diameter (center pit (center-hall)) φ 15mm, refractive index 1.59.
On the substrate of moulding, be formed with stamper (stamper) in position and push ditch from center φ 21mm.Push the ditch outside at stamper (stamper), on clamping (clamping) zone (area) that is provided with in the scope of center φ 22mm～φ 34mm, form and have depth ratio posting field (area) and go up formed ditch and want shallow blank (dummy) groove.In addition, on the posting field (area) of clamping (clamping) zone (area) arranged outside, be formed with the pregroove marks (pre-groove) of prescribed depth.
The shape of the pregroove marks (pre-groove) that forms at posting field (area) is track space 0.74 μ m, degree of depth 160nm, the wide 310nm of half range.Blank (dummy) groove that forms at clamping (clamping) zone (area) be shaped as track space 0.74 μ m, degree of depth 100nm, the wide 250nm of half range.
Then, the posting field (area) on formed pregroove marks (pre-groove) on the substrate only, be extended to periphery near the φ 36mm of center, (concentration 1.2 weight %) are coated with spin coating method (spin-coat) with azo based dye solution, and dye coating is carried out film forming.Pregroove marks after being coated with dye coating (pre-groove) goes up deposition of dye, and the pit shape on dye coating surface is degree of depth 100nm, the wide 250nm of half range.
Next, the scope from the substrate surface center from φ 22mm to φ 119mm, for covering clamping (clamping) zone (area) and posting field (area) both sides' cathode vacuum spraying platings (sputtering) Ag alloy, and the dye coating that forms at posting field (area), on blank (dummy) groove of clamping (clamping) zone (area), form the film in the reflection horizon of thick 100nm.
The reflection horizon of cathode vacuum spraying plating (sputtering) film forming, in order to keep the thickness uniform shape, be provided with the degree of depth (Db) of pit of blank (dummy) groove in the reflection horizon in clamping (clamping) zone (area), with the identical 100nm of being of the degree of depth of the pit that blank (dummy) groove before the reflection horizon is set, half range wide (Wb) also is and the wide 250nm that is all mutually of half range before the reflection horizon is set.In addition, being provided with the pit depth (Da) on the dye coating surface in reflection horizon equally at posting field (area), is to be all 100nm mutually with the pit depth that is provided with before the reflection horizon, and half range wide (Wa) also is and the wide 250nm that is all mutually of half range before the reflection horizon is set.
Then, by spin coating method (spin-coat) method, be that the uv-hardening resin that is coated with of 10 μ m forms adhesive linkage for covering the reflection horizon that clamping (clamping) zone (area) and posting field (area) form, being coated with thickness.
Next, use the polycarbonate resin injection moulding, modulate blank (dummy) substrate that has with the identical shaped ditch of foregoing substrate pregroove marks (pre-groove) and blank (dummy) groove.The blank that modulates (dummy) substrate, thickness is 0.6mm.
Next, the adhesive linkage that the ditch that will form on blank (dummy) substrate is set up on substrate noted earlier, with blank (dummy) substrate-placing that modulates on adhesive linkage.Then, to make the rotation of superimposed blank (dummy) substrate and substrate at a high speed, remove unnecessary uv-hardening resin.Then, uv-hardening resin is solidified, will the substrate and the mutual bonding optical information recording medium of blank (dummy) substrate that does not have recording layer of recording layer be arranged thereby modulate by the ultraviolet ray irradiation.
Because the refractive index of the uv-hardening resin that hardened, equate substantially with the refractive index of blank (dummy) substrate of polycarbonate resin, even so form ditch at blank (dummy) substrate, the thickness of blank (dummy) substrate also is uniformly, does not influence the reflection of light state.
Then; face (index face (label) side) at the opposite side that does not form the blank of ditch (dummy) substrate; in the scope of distance center from φ 21mm to the outside; with silk screen (screen) print process, scraper coating (knife-coat) print process, spin coating method (spin-coat) method etc., form white protective seam.
On the other hand, modulation is with 14 parts of polyvinyl alcohols (Japanese synthetic chemistry Co., Ltd. system: trade name " EG-05 ", saponification degree 86.5～89.0%), the inferior acrylate of polyoxyethylene (40) (Kyoeisha Chemical Co., Ltd.'s system: trade name " light acrylate 9EG-A ") 5.7 parts, photopolymerization catalyzer (ChibaSpecialityChemical Co., Ltd. system: trade name " IRGACURE2959 ") 0.3 part, the UV cured property water-based masking liquid of 80 parts of compositions of water.
Then, by spin coating method (spin-coat), be coated in the water-based masking liquid of modulation in advance on the white protective seam that on blank (dummy) substrate, forms after, irradiation 500mJ/cm
2Ultraviolet ray make its sclerosis, forming thickness is the printing ink accommodating layer of 20 μ m.With above-mentioned white protective seam and printing ink accommodating layer with make and be printed layer together.Be printed layer, cover clamping (clamping) zone (area) of optical information recording medium, be arranged on the whole index face (label) of blank (dummy) substrate.Moreover the condition of spin coating method (spin-coat) is that the water-based masking liquid about 10ml was dripped on interior week on the white protective seam; number of revolutions with 1000rpm is applied on the whole coated face; then increase number of revolutions to 2,000rpm carries out throwing away of water-based masking liquid.
Being printed on the layer on blank (dummy) substrate of modulation like this, with ink-jet printer (ink-jet-printer) printing picture, from the result of index face (label) side by the printed picture of visual observations, do not see the picture of going up printing at posting field (area) and go up the separatrix of the picture of printing, seemed marginal problem thereby solved being printed the picture that prints on the layer in clamping (clamping) zone (area).In addition, the part of blank (dummy) groove that forms in clamping (clamping) zone (area) of substrate does not form recording layer, and also form ditch in the part in clamping (clamping) zone (area) of corresponding blank (dummy) substrate, so, via adhesive linkage adhesive base plate and blank (dummy) substrate the time, by improving surface area, can improve the bond strength of substrate and blank (dummy) substrate to adhesive linkage.
Moreover, in present embodiment, in the time of will on substrate, setting up the reflection horizon, the half range wide (Wb) of blank (dummy) groove in clamping (clamping) zone (area), form identical (250nm) with the half range wide (Wa) of the pit on the dye coating surface in reflection horizon on the pregroove marks that is layered in posting field (area) (pre-groove), but be not limited to this.
That is, wide not simultaneously when their half range, by the track space of appropriate change, also can adjust the wide ratio of track space and half range at blank (dummy) groove of clamping (clamping) zone (area) formation.For example, (the Wa/ track space is the relation of (Wb/ track space b) a) can be adjusted into maintenance.By adjusting this ratio, can with visual observations the light reflection case during to index face (label) make good state.
Claims (10)
1. optical information recording media, it is bonding substrate and blank (dummy) substrate that is printed layer clamping (clamping) zone (area) and corresponding part being provided with of posting field (area) with described substrate is characterized in that,
Described substrate has: go up formed record regenerating pre-groove (pre-groove) at described posting field (area); Formation is gone up in set described clamping (clamping) regional (area) with all sides in described posting field (area), with blank (dummy) groove of the variform non-record regenerating of described pre-groove (pre-groove).
2. optical information recording media according to claim 1 is characterized in that,
On the surface of described pre-groove (pre-groove), form recording layer and reflection horizon in order, on the surface of described blank (dummy) groove, only form the reflection horizon.
3. optical information recording media according to claim 1 is characterized in that,
On the described opposite face of face that is printed layer of being provided with of described blank (dummy) substrate, be provided with at least and the identical shaped ditch of described pre-groove (pre-groove).
4. an optical information recording media is characterized in that,
Has the record regenerating that formed stacked in order from the teeth outwards recording layer and reflection horizon with pre-groove (pre-groove) and stacked reflection horizon only from the teeth outwards, with the substrate of the variform non-record regenerating of described pre-groove (pre-groove) with blank (dummy) groove
By the adhesive linkage that forms on top, reflection horizon, handle is provided with blank (dummy) substrate and the described base plate bonding that is printed layer on the face of an opposite side with described adhesive linkage.
5. optical information recording media according to claim 4 is characterized in that,
The trench depth of the described pre-groove (pre-groove) after stacked recording layer and the reflection horizon equates substantially with the trench depth of described blank (dummy) groove in only stacked reflection horizon.
6. optical information recording media according to claim 4 is characterized in that described recording layer contains the organic dyestuff compound.
7. optical information recording media, its by adhesive linkage bonding have blank (dummy) substrate and the record regenerating substrate that is printed layer, it is characterized in that,
Described substrate possesses: formed and sought the posting field (area) of rail (tracking) with pre-groove (pre-groove); Be recorded clamping (clamping) zone (area) of regeneration with having formed with blank (dummy) groove,
For the ditch shape after on this blank (dummy) groove, having formed the reflection horizon with on described pre-groove (pre-groove), formed the recording layer that contains organic dyestuff and the ditch shape after the reflection horizon and equated that substantially the ditch depth ground that is shallower than described pre-groove (pre-groove) forms the ditch shape of described blank (dummy) groove.
8. optical information recording media according to claim 7 is characterized in that,
The contrast (contrast) of picture printed on described that be printed layer and described clamping (clamping) zone (area) corresponding part with the corresponding part of described posting field (area) on the difference of contrast (contrast) of printed picture reduce.
9. optical information recording media, it is bonding has the substrate and blank (dummy) substrate of recording layer, it is characterized in that,
Have: be arranged on the posting field (area) of described substrate surface, stacked described recording layer seek rail (tracking) with pre-groove (pre-groove);
Be arranged on clamping (clamping) zone (area) of described substrate surface, be shallower than blank (dummy) groove that described pre-groove (pre-groove) forms; With
On mark (label) face of described blank (dummy) substrate, cover the layer that is printed that is provided with described clamping (clamping) zone (area) and the corresponding part of posting field (area).
10. optical information recording media according to claim 9 is characterized in that,
Reflection light quantity at the described posting field (area) that has formed the recording layer that contains organic dyestuff and reflection horizon on the described pre-groove (pre-groove) in order equates substantially with the reflection light quantity in described clamping (clamping) zone (area) that has only formed the reflection horizon on described blank (dummy) groove.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005117528 | 2005-04-14 | ||
| JP2005117528A JP4410141B2 (en) | 2005-04-14 | 2005-04-14 | Optical information recording medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1848264A true CN1848264A (en) | 2006-10-18 |
| CN100476966C CN100476966C (en) | 2009-04-08 |
Family
ID=37077793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100076218A Expired - Fee Related CN100476966C (en) | 2005-04-14 | 2006-02-15 | Optical information recording medium |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4410141B2 (en) |
| CN (1) | CN100476966C (en) |
| HK (1) | HK1097640A1 (en) |
| TW (1) | TW200639849A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101162595B (en) * | 2006-10-13 | 2011-01-26 | 太阳诱电株式会社 | Optical information recording medium |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4865660B2 (en) * | 2006-10-13 | 2012-02-01 | 太陽誘電株式会社 | Optical information recording medium |
-
2005
- 2005-04-14 JP JP2005117528A patent/JP4410141B2/en not_active Expired - Fee Related
-
2006
- 2006-02-10 TW TW095104624A patent/TW200639849A/en not_active IP Right Cessation
- 2006-02-15 CN CNB2006100076218A patent/CN100476966C/en not_active Expired - Fee Related
-
2007
- 2007-03-23 HK HK07103164.7A patent/HK1097640A1/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101162595B (en) * | 2006-10-13 | 2011-01-26 | 太阳诱电株式会社 | Optical information recording medium |
| US8018822B2 (en) | 2006-10-13 | 2011-09-13 | Taiyo Yuden Co., Ltd | Optical information recording medium |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006294196A (en) | 2006-10-26 |
| TW200639849A (en) | 2006-11-16 |
| CN100476966C (en) | 2009-04-08 |
| TWI328812B (en) | 2010-08-11 |
| JP4410141B2 (en) | 2010-02-03 |
| HK1097640A1 (en) | 2007-06-29 |
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