CN1168190A - Optical registration tape - Google Patents
Optical registration tape Download PDFInfo
- Publication number
- CN1168190A CN1168190A CN96191474A CN96191474A CN1168190A CN 1168190 A CN1168190 A CN 1168190A CN 96191474 A CN96191474 A CN 96191474A CN 96191474 A CN96191474 A CN 96191474A CN 1168190 A CN1168190 A CN 1168190A
- Authority
- CN
- China
- Prior art keywords
- recording layer
- layer
- matrix
- mold
- recording
- Prior art date
- 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.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
- G11B7/263—Preparing and using a stamper, e.g. pressing or injection molding substrates
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
- G06K19/06046—Constructional details
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
- G11B7/003—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Manufacturing Optical Record Carriers (AREA)
Abstract
A method of manufacturing a read-only optical registration medium in the form of a flexible tape, comprising the following steps: (a) providing a flexible substrate (1) in the form of a tape; (b) providing an embossable registration layer (3) on the substrate (1); (c) embossing the registration layer (3) under pressure with the aid of stamper, so as to form a pattern of high and low surfacial regions (5) representing a collection of binary data; (d) providing a protective film (9) over the embossed registration layer (3). This procedure can be used to produce a novel read-only optical registration medium in the form of a flexible tape with a layered structure which successively comprises: a substrate (1); a registration layer (3); a reflective registration surface (7), in which binary data are represented by localised level-variations (5'), and a transparent, optically-smooth protective film (9), in which there is no metallic reflection layer between the substrate (1) and the registration layer (3), and in which the side (1a) of the substrate (1) remote from the registration layer (3) is rougher than the exposed surface (11) of the protective film (9).
Description
The present invention relates to a kind of method of making the read-only optical recording media of soft band forms.
The invention still further relates to a kind of read-only optical recording media of soft band forms with layer structure.
The invention further relates to a tape, comprise a shell that holds this optical registration tape that connects together with two spools, recording strip partly is wound on one of them spool, and links on another spool.
In optical recording media, the binary data that is write down can read by the reflectivity recording surface scanning focus band along this medium.Each data bit in this recording surface is to be represented by the regional area with specific reflection characteristic, and these characteristics are mutually different for representing 1 data bit and representing 0 data bit.For example, in the CD dish, data bit is to be represented by a series of pits on smooth recording surface.The degree of depth value of being chosen as λ/4n of these pits, wherein scanning light beam be assumed to be polarization and have a monochromatic wavelength X (in air), recording surface is refracted rate by hypothesis and is covered by the protective film of n.As a result, the light that reflects from pit bottom is compared with the light that the non-pit position from recording surface reflects, and will show the optical path difference (differ and be π) of λ/2n.On the basis of interference effect, this phase shift detection can be come out.In this way, pattern that can light playback record surface, and the pairing bit stream of this pattern.
The method of describing in the beginning paragraph can be learnt from German patent application DE3520111, wherein utilizes screen printing process to produce very little colour attaching area on the reflection record surface of belt.Around the reflectivity that these are regional and its not the reflectivity of colored surface differ greatly, thereby the intensity after can reflecting from recording surface by the monitor scans light beam reads out the data light that is stored on the belt.
Make in the method for optical registration tape at another, can use so-called phase-change material, after local heating, can experience the irreversible change (arriving crystalline state) of crystalline state, be accompanied by the change of reflectivity as amorphous state.The such material of one deck on the ribbon base can utilize its intensity to come imprinting according to the focussed laser beam of given bit stream modulation.Similar to above-mentioned medium, can information be retrieved out from phase change layer by monitoring the intensity of the light beam that reflects from phase change layer.
The another method of describing in the beginning paragraph is discussed in the article of the Byte magazine 274-280 in February, 1989 page or leaf by D.Pountain.This method is utilized laser ablation, impacts local pit in the dyestuff polymeric layer on the metal film on covering ribbon base.When focused beam shone on the dyestuff polymeric layer of pit, the part light intensity will be returned by the surface reflection from this layer immediately, and remaining light intensity will be thoroughly through the underlying metal film, also will experience reflection there.After this, the light beam that reflects from metal film and pit surface interferes with each other, and the degree of interference depends on the non-pit portion whether surperficial light beam comes from pit or dyestuff polymeric layer.Utilize this mode, the pattern of band pit surface can read out by light.
Method that all these are known and the medium product relevant with them all have certain disadvantage.For example:
In first medium, utilize the representative diameter of the minimum painted areas that screen printing process can produce to be the 20-50 micron dimension.In contrast, the width of pit is 1 micron dimension on the CD dish.Therefore clearly, the storage density of this colour band is more far short of what is expected than the magnitude that disc reached.In addition, the essence that reads process generally makes colour attaching area be exposed under the light laser, and incident is the dyestuff long-term risk of fading and the raising of relevant therewith noise magnitude.
Under the situation of second kind of medium, the intrinsic shortcoming of phase-change material is that they must be by real-time imprinting, and promptly they are same magnitude by the speed of the speed of imprinting and their playback.This is because local phase change region must utilize focussed laser beam to write in order.The another one shortcoming is the intrinsic statistical risk at some regional spontaneous umklapp transformation.Although this risk is smaller, in the long run, it causes the rising of noise magnitude.
The shortcoming of the third medium is that the pit that utilizes laser ablation to produce is quite uncertain, the inhomogeneous and limit wall rising of the degree of depth.In addition, the material that is removed to produce pit in first position may be precipitated as other local unwanted residue on the medium.Further, under the situation, the medium of ablation must be by imprinting in real time, this slow (and cost height) in front.
One object of the present invention provides another alternative method of making the read-only optical recording media of soft band forms.Particularly, the objective of the invention is such method and should prevent the problems referred to above.Especially, an object of the present invention is to provide and a kind ofly can in recording layer, produce the method for the data area of sharp outline, and can not produce the problem of residue precipitation.Further, the objective of the invention is, if desired, these regional width should be 1 micron magnitude.In addition, the objective of the invention is this new method and should allow the above-mentioned recording layer of quick imprinting.
These and other objects realize in a method, the method is characterized in that it comprises the following step:
(a) provide banded soft matrix;
(b) on matrix, add moldable recording layer;
(c) by means of pressing mold mold pressing operation record layer under pressure, to form the pattern of the low high surf zone of representing a collection of binary data;
(d) on the recording layer of mold pressing, add upper protective film.
The inventive method has been utilized a wonderful discovery, will be illustrated here.
Because recording layer will wind up self inevitably in storage process, and in the read procedure in typical playback apparatus, common and different spool and feed rollers contact, it is extremely important that belt shows certain surfaceness, so that prevent that it is with own or other surface adhesion.On the other hand, optical registration tape is preferably smooth on the optics in one side that recording surface is read.Normally one side is enough coarse coordinates away from this of recording surface by guaranteeing belt for this two requirements.Similar to tape, such requirement can be by containing so-called filling agent, and promptly the method for deposit recording layer realizes economically on the matrix material of the molecule of Qian Ruing.For this purpose and the example of widely used matrix material is polyethylene terephthalate (PET).
Consider the risk that in the mold process matrix roughness of reality is pressed onto recording surface, have the people to think that perhaps coarse matrix material meeting and mold process is incompatible.Yet, the inventor has been found that, such worry does not have basis, and show, surprisingly, the minute sized pit of sharp outline can successfully be over-molded on the recording layer (as directly being deposited on photo curable resin bed on the PET substrate foil that contains filling material) that covers on the coarse matrix.It is not crucial using so-called glue-line (cushion) between matrix and recording layer.
Multiple advantage of the present invention is conspicuous.For example, because actual imprinting relates to pressing mold and comes mold pressing rather than laser ablation, do not have dregs to be deposited in problem on the recording surface, and the shape of mold pressing (constant width of pit and length changes) usually can resemble the situation in the CD dish small and clearly definite.Furtherly, come mold pressing to allow with pressing mold with very high speed imprinting.
The method according to this invention, pressing mold itself can be taked (hard) cydariform, and its cylindrical surface contains along the minute protrusions of helicity paths arrangement, and the width in this path is identical with the width of belt.If this pressing mold rolls in some way along the recording layer of belt, make that the contact area between drum and the belt shifts along above-mentioned spirality path, then recording layer will be engraved and the corresponding pit of above-mentioned projection.
In according to another aspect of the present invention, pressing mold takes to have (hard) band shape of generatrix, generatrix the small projection of row axially arranged.If this pressing mold band from a spool around to the another one spool, therefore its generatrix twists at the recording layer of some point with the optics belt, this belt simultaneously with identical speed and direction around between two different spools, then, recording layer will be endowed the pit corresponding to projection on the generatrix.
The soft matrix of Cai Yonging can be by filling agent (as small silicon or alumina particles) wherein in the methods of the invention, or comes roughening by adding the back lining in the above.The example of the matrix material that the first kind is suitable is LUMIRROR (a Toray industrial group), and this is that a kind of thickness is approximately 8 microns clear PET film, and contains the filling agent that diameter is the 400nm magnitude.On the other hand, the matrix material that second class is suitable is that one side is contained the PET film that the binder (as glue-line) of carbon black, chrome green or lime carbonate (desirable diameter range the is 50-300nm) particle of diffusion is wrapped up; Coarse lining thickness only needs 1 micron magnitude.
In particular embodiment of the process according to the invention, moldable recording layer is selected to comprise photo curable organic polymer material, and at mold pressing stage (c), the interface of recording layer and pressing mold is exposed to the actinic radiation of curing.The examples of material that this class is suitable is SURPHEX (the Du Pont of Du Pont), and this is the ultraviolet solidifiable material of a kind of dryness, the available thin slice that is shaped as standard thickness (micrometer range).Such thin slice can directly laminate into the matrix film, as passing through heating and roll extrusion.As another example, can use the photo curable resin of dryness (as the polypropylene ester), by it is dissolved in the volatile solvent and then with the solution roller coating that obtains, spray or brush on the film, it is added on the matrix film.
The alternative embodiment of another of the inventive method is characterized in that, the selected thermoplastic that comprises of moldable recording layer in mold pressing step (c), at first by thermal softening, is then being pressed back permission cooling hardening by pressing mold.The softening temperature of the thermoplastic that is adopted should be lower than matrix material; Utilize this mode, recording layer can be softened but matrix is unlikely to softening (being accompanied by the risk that the matrix roughness reduces).The example that is used for the suitable thermoplastic of this purpose is Polyvinylchloride and polypropylene.
In the another embodiment of the inventive method, recording layer before the mold pressing by on by the surface that chemical solvent is added in its exposure and by chemical tendering.The candidate's solvent that is used for this purpose comprises, as acetone and isopropyl alcohol and various chloro alkane solution, and ether and ester, appropriate selection depends on the employed certain material of recording layer.After being molded, removing from recording layer by the solvent that will adopt and to make its sclerosis.This can realize by the heating recording layer.
The thickness that recording layer has usually is the magnitude of 1-10 micron, and thicker or thinner recording layer is also consistent with the inventive method.
The diaphragm that provides in the step (d) of the inventive method can be inorganic or organic.Suitable inorganic material such as SiO
2, TiO
2, AlN, Si
3N
4Deng can by the reactive sputtering deposit or the evaporation provide.On the other hand, suitable organic material such as polycarbamate or second fat can utilize roller coating or the means that are coated with or brush of disputing provide.Under the organic membrane situation, the typical thickness of diaphragm is the 2-10 micron dimension, and under the inoranic membrane situation, is the 200-500 micron, but if necessary, also can be thicker.
The surface that diaphragm exposes preferably optically is smooth.Here the term of indication " smooth on the optics " is meant that the rms surface roughness is 50nm to the maximum, preferably is no more than 20nm, and ideal situation is for being no more than 5nm.Such result normally obtains automatically as its capillary effect in the diaphragm forming process.
A particular embodiment according to the inventive method is characterized in that, in step (c) with (d), and metallic reflector of deposit on the surface of recording layer mold pressing.Such reflection horizon can be by simple metal or alloy composition, and can utilize as sputtering deposit, vapour deposition or laser ablation deposition and provide.The examples of material that is used for this purpose comprises aluminium, gold, copper, silver and their alloy.Adopt such reflection horizon to guarantee with focused beam scanning medium record surface the time, can have enough light intensity to be reflected, thereby obtain qualified output signal magnitude.
An alternative embodiment according to the inventive method is characterized in that, adds a kind of dyestuff on recording layer and/or diaphragm at least, so that obtain significant difference between the refractive index of recording layer and diaphragm (reading the wavelength place of light beam).In this way, might increase the reflectivity at interface between diaphragm and the recording layer (light can be worn diaphragm thoroughly).Particularly for enough refractive index differences, the relevant Brewster angle in the diaphragm is smaller, can obtain total internal reflection at the interface at this.Here the term of Cai Yonging " refractive index " should be interpreted as representing complex index
=n+ik, n is real refractive index here, k is an absorption coefficient.The value of recording layer and diaphragm
Between difference can be
Real part or imaginary part, or both all are.Yet,, absorb unfavourably to avoid into light beam and folded light beam adding under the situation of dyestuff that the k value of dyestuff preferably should be smaller for guarantor's expansion film.
The example of the suitable dye of discussing in the paragraph comprises pyrans pellet-4 in front, 4-cyanine dye and butyl-benzo-indoles-carbocyanine.These dyestuffs n value separately is 3.270 and 3.050, and each k value was 0.570 and 0.058 (when all values refers to that all wavelength is 780nm).Another alternative dyestuff can be the squarylium dyestuff.
If desired or wish, can add other different layers at the step (a) and (b) of the inventive method, (c) with (d) between added each layer.For example:
This tabulation just provides with the form of example, and is not whole.
Can be used to make a kind of novel read-only optical registration tape of superior performance according to the method for the inventive method.Such recording strip is characterised in that it has layer structure, comprises in order:
Change and represent; And
Between matrix and recording layer, do not have metallic reflector, and matrix is away from this rough surface that simultaneously exposes than diaphragm of recording layer.
It is one of following that " reflexive recording surface " of top indication may be interpreted as:
Be added in metallic reflector away from this one side of recording layer of matrix imprinting;
Material strengthens at this reflectivity at the interface.
" variation of local height " can be by giving pit to recording layer or projection realizes.For example, along any given path, " 1 " available pit is represented, the representative of the plane of the surperficial S of " 0 " then available generation pit (being non-pit) part, and the length of pit or horizontal component is the integral multiple of each base unit of one of representative.The bottom of surface S and each pit all is reflexive, the read record surface of coming up, the basis that can differ between (polarization) light beam that reflects from surperficial S and the light beam that reflects from pit bottom.For this reason, for wavelength was (polarization) light of λ and diaphragm that real refractive index is n, the difference in height size of recording surface was preferably λ/4n.
Various other layers also can be included in the layer structure of medium of the present invention (top discussed), and these layers comprise as adhering layer, adhesion-promoting layer, dielectric layer, lining etc.
The invention still further relates to the tape that contains the shell that holds two spools and read-only optical registration tape of the present invention, recording strip partly reel (at least) on a spool and with another spool, link to each other.In a special embodiment of this tape, recording strip arrives another through a guiding device from a spool, this guiding device is used in some way belt being positioned at the breach back on the shell, so that allow to read by this breach optics original position the recording surface of belt.Yet such guiding device is not certain needs: if this needs are arranged, belt can roll out from the shell of tape and can dystopy (ex situ) read.
By means of exemplary embodiment and appended sketch, the present invention and bonus thereof will be further explained, and sketch is not a same ratio, wherein:
What Fig. 1 showed is the sectional view of banded soft matrix, and moldable recording layer is arranged on the matrix;
After the object of Fig. 2 presentation graphs 1 passes through the mold pressing step in the above, in recording layer, form low and high surf zone pattern;
The situation of the object of Fig. 3 presentation graphs 2 after adding metallic reflector on the recording layer of mold pressing;
The object of Fig. 4 presentation graphs 3 is after adding upper protective film on the metallic reflector, thereby formation is according to optical registration tape of the present invention;
Fig. 5 has described to implement the manufacturing installation of the particular embodiment of the inventive method;
Fig. 6 represents the tape according to the inventive method.
Fig. 1-4 described the method according to this invention a particular embodiment, also be each stage of a particular embodiment of the optical registration tape of invention.Device corresponding among each figure is indicated with identical witness marker.
What Fig. 1 showed is the sectional view of the banded soft matrix 1 of part.Matrix 1 has two first type surface 1a, 1b, nearly 8 micron thickness.It comprises small filling agent (not shown), and the existence of filling agent makes that the RMS roughness that surperficial 1a, 1b showed is the magnitude of 10-20nm.A kind of like this example of suitable matrix 1 is the clear PET film, and the diameter that wherein is scattered here and there is the silicon grain of 400nm magnitude.Such matrix 1 carries out commercial distribution by Toray industrial group with trade mark LUMIRROR (N997 type).
In Fig. 2, according to the inventive method, by means of pressing mold (not shown) embossed plies 3 under pressure.In this special embodiment, this makes surperficial S go up and produces shallow hole 5.The degree of depth of pit 5 is about 150nm, about 0.5 micron of width (perpendicular to drawing), and length is variable.A suitable mold process has been described in the embodiment 2 below.
In Fig. 3, the surface of layer 3 mold pressing is wrapped up by thin metallic reflector 7.In this case, layer 7 is made up of Al, and thickness is 100nm, is to utilize the method deposit of vacuum vapor deposition to get on.Because it is close to the profile on the surface of recording layer 3 original mold pressings, reflection horizon 7 shows as the pit 5 ' of a series of sharp outlines on the smooth surface that exposes.
Fig. 4 is illustrated in situation about adding on the object of Fig. 3 behind the upper protective film 9.In the case, the material of film 9 is an acrylic resin, and is rolled into 5 microns thickness on reflection horizon 7.The surface 11 that film 9 exposes is optically transparent, and its RMS roughness is 5nm.Such result obtains naturally owing to surface tension effect in the process that forms on film 9 reflection horizon in its lower section.
Embodiment 2
Fig. 5 has described to realize the manufacturing equipment of a particular embodiment of the inventive method.The pressing mold that adopted 51 is the cylindrical aluminium drum of diameter 150mm, length 165mm, and on its cylindrical surface 51a lobed space pattern.These protruding modes that produces have been discussed in the embodiment 3 below.
Also having described the similar roller 53 of diameter and drum 51 in the figure, is the cardboard layer of 5mm but thickness is arranged on its cylindrical surface 53a.Drum 51 and roller 53 are arranged to their cylinder axis are parallel to each other, and their cylindrical surface 51a and 53a be pressed in the middle of the opposing face of optical registration tape 55 of not mold pressing as yet.Belt 55 is basic to be stretched in some way along the direction vertical with above-mentioned cylinder axis, and its (curable) recording layer is contacted with space pattern on the surperficial 51a.
Recording layer quilt on the belt 55 is by solidifying on the recording layer that actinic radiation R (as ultraviolet radiation) is radiated at belt 55, and in any given moment, belt 55 still contacts with surperficial 51a.If desired like this, can use the second bundle actinic radiation R ' to add curing subsequently.
In case solidify, belt 55 adds the metallic reflector of vacuum evaporation here just by an online deposition chamber 57 to the surface of belt 55 mold pressings.In another alternative plan, belt 55 at first is wound onto on the buffering spool A, spool is delivered in the vacuum chamber gone then; Belt 55 is then scattered and metalling on the surface of its mold pressing from spool A.
On the surface of belt 55 mold pressings, add upper protective film subsequently.This realizes by roller coating belt 55 in coating roller 59.If necessary, can be subsequently the belt 55 of new roller coating be carried out drying with thermal source or air-flow Q.Perhaps, if the resin liquid that uses is photo curable, for the purpose of solidifying the film that newly applies, can think that device H comprises actinic radiation so.
In the treatment step below, belt 55 or be wound onto on the buffering spool B perhaps directly is winding in the shell 511 of tape.If necessary, can at first belt 55 be cut into the suitably lateral width (as 8mm) of (evenly) by means of cutting wheel 513.
Such just as will be explained, the projection on the cylindrical surface 51a of pressing mold drum 51 can utilize direct or indirect process to work it out.
In a suitable straight-forward procedure, cylindrical surface 51a is covered by one deck photoresist.Utilize a kind of suitable insertion overcover, this layer photoresist will be according to the pattern of desirable projection and by irradiation, and be developed subsequently and crosslinked.
In a suitable roundabout process, the described process of earlier paragraphs is carried out in the one side of thin slice or belt, and then thin slice or belt are wound on the drum 51 in some way, makes the side that thin slice or belt be stamped and form surperficial 51a outwardly.
Embodiment 4
Fig. 6 describes is a special embodiment according to tape 60 of the present invention, and tape comprises and holds two spools 64 and according to the shell 62 of read-only optical registration tape 66 of the present invention.Breach 68 on shell 62 shells of being described in addition.Belt 66 can be from a spool to another spool before and after scrolling, and arrange to make its recording surface facing to breach 68.In this way, the reflectivity recording surface of belt 66 can be on the spot read by a branch of light beam that enters and leave shell 62 by breach 68.For the light beam on the belt 66 is assembled accurately, shell 62 also can comprise the guiding device (not shown), is used for keeping in the constant distance of breach 68 belt 66 of given length.Such guiding device can comprise a benchmark pulley, and belt is above it, and the benchmark pulley is in the back of breach 68.
In another alternative embodiment of the present invention constant 60, the guiding device of top indication can save from shell 62, belt 66 can utilize playback apparatus to read, and this equipment rolls out the belt 66 of given length come and reads it outside from breach 68, and this and vhs video band are similar.For this purpose, breach 68 cans be compared to drawn wide most here, arrives belt 66 so that help machinery.
In these two embodiments, breach 68 preferably is positioned at the back of a mechanical shutter door (not shown), so that make belt 66 avoid dust and scuffing.
Claims (9)
1, a kind of method of making the read-only optical recording media of soft band forms is characterized in that it comprises following steps:
(a) provide a kind of soft matrix of band shape;
(b) on matrix, add a moldable recording layer;
(c), a collection of to form representative by means of pressing mold mold pressing operation record layer under pressure
The pattern of the low and high surf zone of binary data;
(d) on the recording layer of mold pressing, add upper protective film.
2, according to the method for claim 1, it is characterized in that, the selected organic polymer thin film that comprises of matrix, small pit is scattered here and there on it.
According to the method for claim 1 or 2, it is characterized in that 3, the one side of matrix is by its lining roughening that uses above.
4, according to each method among the claim 1-3, it is characterized in that moldable recording layer is selected to comprise photo curable organic polymer material, and in mold pressing step (c), the interface of recording layer and pressing mold is exposed in the actinic radiation of curing.
5, according to each method among the claim 1-3, it is characterized in that, the selected thermoplastic that comprises of moldable recording layer, in mold pressing step (c), thermoplastic is at first by thermal softening, then, allows to be cooled later sclerosis being pressed by pressing mold.
6, according to each method among the claim 1-5, it is characterized in that, in step (c) with (d), can be on the surface of recording layer mold pressing deposit layer of metal reflection horizon.
7, according to each method among the claim 1-5, it is characterized in that, on recording layer and/or diaphragm, add a kind of dyestuff at least, so that between the refractive index of recording layer and diaphragm, obtain significant difference.
8, a kind of read-only optical recording media of soft band forms has layer structure, it is characterized in that layer structure comprises in order:
Matrix;
Recording layer;
The reflectivity recording surface, wherein the binary number variation of local height is according to this represented; And
Smooth diaphragm on transparent, the optics,
Between matrix and recording layer, do not have metallic reflector, and matrix is away from this rough surface that simultaneously exposes than diaphragm of recording layer.
9, a kind of tape that comprises the shell of a read-only optical recording media that holds two spools and soft band forms, belt partly is wound on one of them spool, and links on another spool, it is characterized in that belt has the structure corresponding with claim 8.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP95202686 | 1995-10-06 | ||
| EP95202686.2 | 1995-10-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1168190A true CN1168190A (en) | 1997-12-17 |
Family
ID=8220690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96191474A Pending CN1168190A (en) | 1995-10-06 | 1996-09-26 | Optical registration tape |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0797825A1 (en) |
| JP (1) | JPH10510940A (en) |
| KR (1) | KR987000645A (en) |
| CN (1) | CN1168190A (en) |
| BR (1) | BR9606681A (en) |
| CA (1) | CA2207087A1 (en) |
| CZ (1) | CZ172197A3 (en) |
| PL (1) | PL320640A1 (en) |
| WO (1) | WO1997014142A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000043945A1 (en) * | 1999-01-23 | 2000-07-27 | Fred Johannsen | Disc-shaped information carrier with a high storage density |
| JP4359411B2 (en) * | 2001-10-09 | 2009-11-04 | リンテック株式会社 | Optical disc manufacturing sheet |
| CA2553837C (en) * | 2004-01-21 | 2012-10-16 | Microcontinuum, Inc. | Pre-formatted linear optical data storage medium |
| US9307648B2 (en) | 2004-01-21 | 2016-04-05 | Microcontinuum, Inc. | Roll-to-roll patterning of transparent and metallic layers |
| JP2006052260A (en) | 2004-08-10 | 2006-02-23 | Lintec Corp | Coating composition, coated film, method for producing the coated film, and optical recording medium |
| CA2643510C (en) | 2006-02-27 | 2014-04-29 | Microcontinuum, Inc. | Formation of pattern replicating tools |
| US20120306124A1 (en) * | 2011-06-01 | 2012-12-06 | Oracle International Corporation | UV Curing of Embossed Structures |
| US9589797B2 (en) | 2013-05-17 | 2017-03-07 | Microcontinuum, Inc. | Tools and methods for producing nanoantenna electronic devices |
| RU2625386C1 (en) * | 2016-08-16 | 2017-07-13 | Открытое акционерное общество "Научно-исследовательский институт электронных материалов" (ОАО "НИИЭМ") | Metal-polymer tape |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4937810A (en) * | 1986-04-23 | 1990-06-26 | Drexler Technology Corporation | Optical recording tape with continuous prerecorded tracks |
| US5045676A (en) * | 1987-12-08 | 1991-09-03 | Kime Milford B | Optical media having interlaced data rings |
| JPH02273338A (en) * | 1989-04-13 | 1990-11-07 | Canon Inc | Information memory medium |
-
1996
- 1996-09-26 BR BR9606681A patent/BR9606681A/en not_active Application Discontinuation
- 1996-09-26 CN CN96191474A patent/CN1168190A/en active Pending
- 1996-09-26 WO PCT/IB1996/000995 patent/WO1997014142A1/en not_active Application Discontinuation
- 1996-09-26 JP JP9514851A patent/JPH10510940A/en active Pending
- 1996-09-26 CZ CZ971721A patent/CZ172197A3/en unknown
- 1996-09-26 PL PL96320640A patent/PL320640A1/en unknown
- 1996-09-26 KR KR1019970703889A patent/KR987000645A/en not_active Application Discontinuation
- 1996-09-26 EP EP96930302A patent/EP0797825A1/en not_active Withdrawn
- 1996-09-26 CA CA002207087A patent/CA2207087A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| KR987000645A (en) | 1998-03-30 |
| BR9606681A (en) | 1997-10-21 |
| JPH10510940A (en) | 1998-10-20 |
| WO1997014142A1 (en) | 1997-04-17 |
| PL320640A1 (en) | 1997-10-13 |
| MX9704184A (en) | 1997-09-30 |
| EP0797825A1 (en) | 1997-10-01 |
| CZ172197A3 (en) | 1998-04-15 |
| CA2207087A1 (en) | 1997-04-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4998239A (en) | Optical information recording medium containing a metal alloy as a reflective material | |
| CA1053959A (en) | Metal film recording media for laser writing | |
| US5016240A (en) | Optical recording medium | |
| JP2001523372A (en) | Optical memory device and manufacturing method thereof | |
| JP3351164B2 (en) | Method for manufacturing optical information recording medium | |
| CN1168190A (en) | Optical registration tape | |
| CN1197068C (en) | Compact disc | |
| US20020154596A1 (en) | Super-resolution recordable optical disk | |
| US20060083151A1 (en) | Optical disk and production method therefor | |
| CN1310235C (en) | Multi-layered optical recording medium manufacturing method and multi-layered optical recording medium | |
| CN1263017C (en) | Optical information recording medium and its making method, and optical information record reproducing method | |
| JP4066489B2 (en) | Optical recording medium and manufacturing method thereof | |
| EP0345273B1 (en) | Optical recording medium | |
| EP0130698A1 (en) | Cost-reduced optical memory disk | |
| JPH09147417A (en) | Optical recording medium and its production | |
| CN1610940A (en) | Multi-layered optical recording medium and multi-layered optical recording medium manufacturing method | |
| CN1051446A (en) | But signal maintenance/reflection horizon record/can wipe the light medium | |
| CN1052002A (en) | But the optical medium of the record of single polymer layer/can wipe | |
| JP4714703B2 (en) | Optical information recording medium manufacturing method and optical information recording medium | |
| JP2512042B2 (en) | Optical recording medium and optical recording method | |
| JP2985330B2 (en) | Manufacturing method of optical recording medium | |
| JP2512044B2 (en) | Optical recording medium and optical recording method | |
| US5326660A (en) | Erasable optical recording media | |
| CN100349222C (en) | Optical disk and production method therefor | |
| JP2512043B2 (en) | Optical recording medium and optical recording method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |