CN100362583C - Composite optical disk and its manufacturing method - Google Patents

Abstract

A composite optical disk and its manufacturing method, the optical disk includes a first base plate and a second base plate, wherein, the first base plate has a first surface and a second surface, the first surface has a groove structure of blue-ray disc format, and has a first recording layer and a first semi-reflecting layer, the first semi-reflecting layer is formed on the first surface, the first recording layer is formed on the first semi-reflecting layer; the second substrate has a third surface and a fourth surface, the third surface has a groove structure of a digital laser video disc format, and is provided with a second recording layer and a second semi-reflecting layer, the second semi-reflecting layer is formed on the third surface, the second recording layer is formed on the second semi-reflecting layer, the second recording layer is attached to the second surface of the first substrate, and the fourth surface has a groove structure of a disc format and is provided with a fully reflecting layer. The invention also discloses a method for manufacturing the composite optical disk.

Description

Composite type CD-R and manufacture method thereof

Technical field

The present invention is about a kind of composite type CD-R and manufacture method thereof, especially in regard to a kind of compound composite type CD-R and manufacture method thereof with substrate of double-sided recording modes layer and single face recording layer.

Background technology

In the modern times, optical disc recording medium is by widely as the instrument that stores data, and along with the demand for information storage capacity day by day increases, so corresponding optical disc recording medium of also developing with high storage capacity, Video CD sheet (DVD for example, Digital VersatileDisc), and the Blu-ray Disc sheet (BD of high power capacity more, Blue-ray Disc) etc., by highdensity recording mode, make the general common discs (CD, Compact Disc) of its storage volume high.

Because the different size of optical disc recording medium, therefore in response to also there being different optical storage devices to develop out, please refer to shown in Figure 1, different optical disc recording medium specifications is with corresponding different wavelength of laser and use different focusing distances to carry out the read-write of data, with Blu-ray Disc sheet 1 is example, be with wavelength 400nm, focusing distance is thatblue laser 12scioptics 11 of 0.1mm are read and write,Video CD sheet 2 anddiscs 3 are then respectively with wavelength 650nm, focusing distance isred laser 22scioptics 21 and the wavelength 780nm of 0.6mm, focusing distance is thatred laser 32scioptics 31 of 1.2mm are read and write, because Blu-ray Disc sheet 1 has less ditch track gauge lattice and corresponding laser with shorter wavelength is read and write, therefore Blu-ray Disc sheet 1 is compared todiscs 3 andVideo CD sheet 2, the more highdensity saving format of its tool.

Recently, compatibility for the discs read-write system that increases different size, therefore the composite type CD-R of a kind of CD of being compatible with and dvd pickup read-write system is to comply with and give birth to, it is by DVD sheet and CD sheet are finished through applying, and its manufacturing process utilizes the mould (stamper) of different recording specification to form the substrate of CD and DVD with ejection forming technique at first respectively, afterwards again respectively at metallic reflector on the sputter on the substrate, carry out reading of data in order to the laser of reflected light disc read-write system, reflection horizon with CD and DVD forms above-mentioned CD/DVD composite type CD-R mutually in the face of fitting at last, because the generation of this composite type CD-R, thereby can a slice discs being compatible with the optical read and wright equipment of different size, optical disc recording medium manufacturer also can be with the consumption of this composite type CD-R in response to the optical R/W system that has different size on the market simultaneously.

From the above, though the composite type CD-R of at present existing CD and DVD, yet, along with multimedia fast development, constantly promote the real inexorable trend of data logging density and capacity for the optical disc recording medium development, therefore, how can develop simultaneously for various different optical read-write equipment system compatibility height and the bigger composite type CD-R of information storage capacity, be one of important topic for current making optical disc recording medium in fact.

Summary of the invention

Because above-mentioned problem, purpose of the present invention has high storage capacity and for the composite type CD-R and the manufacture method thereof of different optical read and wright equipment system highly compatibles for providing a kind of.

For reaching above-mentioned purpose, comprise one first substrate and one second substrate according to composite type CD-R of the present invention.First substrate has a first surface and a second surface, wherein first surface has the trench structure of a blue-ray disc format, and be provided with one first recording layer and one first semi-reflective layer, first semi-reflective layer is formed on the first surface, and first recording layer is formed on first semi-reflective layer; Second substrate has one the 3rd surface and one the 4th surface, the 3rd surface has the trench structure of a Video CD form, and be provided with one second recording layer and one second semi-reflective layer, second semi-reflective layer is formed on the 3rd surface, second recording layer is formed on second semi-reflective layer, and the second surface of second recording layer and first substrate is fitted, and the 4th surface has the trench structure of a disk format simultaneously, and is provided with a total reflection layer.

In addition, the present invention also provides a kind of composite CD-disc piece making method to comprise one first substrate

The first molding substrate program utilizes an one-side mould to penetrate first substrate that formation one has single face ditch rail, on a first surface of first substrate, penetrate the ditch rail structure that forms a blue-ray disc format, and on first surface, form one first semi-reflective layer and one first recording layer in regular turn; The second molding substrate program utilizes a match plate pattern tool to penetrate first substrate that formation one has two-sided ditch rail, the ditch rail structure that penetrates formation one Video CD form is gone up on one the 3rd surface in second substrate, and go up formation one second semi-reflective layer and one second recording layer in the 3rd surface in regular turn, and double-sided die upward penetrates the ditch rail structure that forms a disk format in one the 4th surface of second substrate simultaneously, and goes up formation one total reflection layer in the 4th surface; The applying program is fitted second recording layer of second substrate and a second surface of first substrate; At last, protective seam forms on first recording layer that program is formed at a protective seam first substrate and finishes.

From the above, because of according to composite type CD-R of the present invention by the substrate of a two-sided ditch rail and a single face ditch rail compound discs, effectively increased the amount of storing data of discs, cooperate the record ditch rail structure of different-format simultaneously, so more can improve compatibility for different now optical read and wright equipments.

Description of drawings

Fig. 1 is the synoptic diagram of the read-write system of known different size discs;

Fig. 2 is the synoptic diagram of the composition of the composite type CD-R of preferred embodiment of the present invention;

Fig. 3 is the synoptic diagram of the structure of the composite type CD-R of preferred embodiment of the present invention;

Fig. 4 is the synoptic diagram of the structure of the composite type CD-R of another preferred embodiment of the present invention;

Fig. 5 is the synoptic diagram of the composition thickness of the composite type CD-R of preferred embodiment of the present invention;

Fig. 6 is the synoptic diagram of the flow process of the composite CD-disc piece making method of preferred embodiment of the present invention;

Fig. 7 is the synoptic diagram of the composite CD-disc piece making method of preferred embodiment of the present invention;

Fig. 8 is the synoptic diagram of the composite CD-disc piece making method of another preferred embodiment of the present invention.

The component symbol explanation:

The component symbol explanation:

1 Blu-ray Disc sheet

11 lens

12 laser

2 Video CD sheets

21 lens

22 laser

3 discs

31 lens

32 laser

4 composite type CD-Rs

41 first substrates

411 first surfaces

412 second surfaces

413 first recording layers

414 first semi-reflective layers

42 second substrates

421 the 3rd surfaces

422 the 4th surfaces

423 second recording layers

424 second semi-reflective layers

425 total reflection layers

426 the 3rd recording layers

43 protective seams

4 ' composite type CD-R

The P01 first molding substrate program

P ' 01 second molding substrate program

P02 applying program

The P03 protective seam forms program

Embodiment

Hereinafter with reference to relevant drawings, composite type CD-R and manufacture method thereof according to preferred embodiment of the present invention are described, wherein components identical will be illustrated with identical reference marks.

Please refer to shown in Figure 2ly, comprise onefirst substrate 41 and onesecond substrate 42 according to the composite type CD-R 4 of preferred embodiment of the present invention; Wherein,first substrate 41 has thesecond surface 412 that afirst surface 41 1 and asecond surface 412, thesecond substrates 42 have one the 3rd surface, 421 and 1 the4th surface 422, thefirst substrates 41 and fits in the face of the3rd surface 421 ofsecond substrate 42.

Please refer to shown in Figure 3 again, in the present embodiment,first substrate 41 is one to have the substrate of single face ditch rail, the trench structure of itsfirst surface 411 for having a blue-ray disc format, and be provided with one firstsemi-reflective layer 414 and onefirst recording layer 413 thereon, firstsemi-reflective layer 414 is formed on thefirst surface 411, andfirst recording layer 413 is formed on firstsemi-reflective layer 414; 42 of second substrates are one to have the substrate of two-sided ditch rail, its the3rd surface 421 has the trench structure of a Video CD form, and be provided with one secondsemi-reflective layer 424 and onesecond recording layer 423 thereon, secondsemi-reflective layer 424 is formed on the3rd surface 421,second recording layer 423 is formed on secondsemi-reflective layer 424, and thesecond surface 412 ofsecond recording layer 423 on the3rd surface 421 andfirst substrate 41 fits and forms this composite type CD-R 4,422 the trench structures in the 4th surface with a disk format, and be provided with atotal reflection layer 425 thereon, this one carry be, above-mentioned semi-reflective layer setting is for allowing laser a part penetrate, reading and writing with the recording layer to different layers.

From the above, please refer to shown in Figure 4, in another embodiment, the composition offirst substrate 41 andsecond substrate 42 as previously mentioned, so repeat no more, wherein the4th surface 422 ofsecond substrate 42 can more comprise one the3rd recording layer 426, and the3rd recording layer 426 is formed between the4th surface 422 and the total reflection layer 425.Comprehensively above-mentioned, in the composition structure of this composite type CD-R 4, the4th surface 422 can be that prerecording ditch groove forms the data logging mode (shown in thelabel 422 of Fig. 3) of CD-ROM or can more comprise a recording layer to form the data logging mode (shown in thelabel 426 of Fig. 4) of CD-R or CD-RW, three layers of composite type CD-R that the different data logging mode of different data logging form collocation is formed thus, it is many that information storage capacity will be enlarged, and also makes this composite type CD-R have higher compatibility for the optical storage device of different size and function simultaneously.

Again, above-mentionedfirst recording layer 413,second recording layer 423 and the3rd recording layer 426 in one's power can include organic dye and metallics at least one of them, cracking takes place after via laser radiation in organic dyestuff, and formation can write discs (as: BD-R, CD-R and DVD-R etc.) once, metallics is then via undergoing phase transition after the laser radiation, and the discs (as: BD-RW, CD-RW and DVD-RW etc.) that formation can repeat to write.

In the present embodiment; as shown in Figure 5; the thickness offirst substrate 41 is 0.5mm; the thickness ofsecond substrate 42 is 0.6mm; form composite type CD-R 4 after fitting; in addition; difference according to diameter; can be divided into two kinds of forms of about 8cm of a diameter or the composite type CD-R of about 12cm (respectively shown in the label 4 ' andlabel 4 of Fig. 5) again, in the present embodiment, this composite type CD-R 4 more comprises aprotective seam 43; it is formed on thefirst surface 411 offirst substrate 41; and the thickness ofprotective seam 43 is about 0.1mm, therefore, and byfirst substrate 41; the thickness ofsecond substrate 42 andprotective seam 43 formed composite type CD-Rs 4 and 4 ' is about 1.2mm.

The following foundation composite CD-disc piece making method that specifies according to preferred embodiment of the present invention shown in Figure 6.

Please refer to shown in Figure 6ly, according to composite CD-disc piece making method of the present invention, comprise one first molding substrate program P01, one second molding substrate program P ' 01, an applying program P02 and a protective seam and form program P03.

Please refer to shown in Figure 7, in the present embodiment, the first molding substrate program P01 utilizes an one-side mould to penetratefirst substrate 41 that formation one has single face ditch rail,first surface 411 infirst substrate 41 penetrates the ditch rail structure that forms a blue-ray disc format, and forms one firstsemi-reflective layer 414 and onefirst recording layer 413 in regular turn onfirst surface 411; The second molding substrate program P ' 01 utilizes a match plate pattern tool to penetratesecond substrate 42 that formation one has two-sided ditch rail, on one the3rd surface 421 ofsecond substrate 42, penetrate the ditch rail structure that forms a Video CD form, and on the3rd surface 421, form one secondsemi-reflective layer 424 and onesecond recording layer 423 in regular turn, and on one the4th surface 422 of thissecond substrate 42, penetrate the ditch rail structure that forms a disk format, and on the4th surface 422, form atotal reflection layer 425; Applying program P02 utilizes UV sclerosis colloidal sol to fit withsecond surface 412second recording layer 423 on the3rd surface 421; At last; forming program P03 via protective seam utilizes rotary coating mode or thin slice laminating type to be formed onfirst recording layer 413 offirst surface 411protective seam 43 and finishes composite type CD-R 4; and above-mentioned in one's power the reflection horizon of difference reflection number and the selection of the program of formation, determine with respect to the recording layer of discs different-thickness position according to optical read/write head.

Again, please refer to shown in Figure 8, in another embodiment, the second molding substrate program P ' 01 more comprises one in the step of the4th surface 422 formation one the3rd recording layer 426, and the3rd recording layer 426 is formed between the4th surface 422 and thetotal reflection layer 425, from the above,first recording layer 413,second recording layer 423 and the3rd recording layer 426 can be organic dyestuff recording layer or phase change recording layer, form the recording mode that can write once and repeat to write respectively.Comprehensively above-mentioned, in the present embodiment, please refer to Fig. 7 and Fig. 8, the4th surface 422 may be selected to be prerecording ditch groove, this moment manufacture method in the substrate of CD ditch rail form penetrate form after, total reflection layer on the sputter (shown in thelabel 425 of Fig. 7) and finish the molding substrate program; In addition, also can select to come the mode of record material with organic dyestuff or metallics, this moment is in manufacturing process, after the substrate of CD ditch rail form penetrates formation, add the sputter organic dyestuff recording layer or the step of phase change recording layer, afterwards, go up sputter total reflection layer (shown in thelabel 425 of Fig. 8) in recording layer (shown in thelabel 426 of Fig. 8) again, with different processing procedures, the composite type CD-R that forms the different recording mode is to improve the compatibility for the optical read and wright equipment of different size thus.

From the above,first substrate 41 utilizes the shell emission technology to form with ejaculator by one-side mould to have the substrate that single face ditch rail and thickness are about 0.5mm; 42 of second substrates have two-sided ditch rail by the double-sided die ejection formation and thickness is the substrate of 0.6mm, and in addition, the thickness ofprotective seam 43 is about 0.1mm.

Comprehensively above-mentioned, because having the substrate in combination that single face ditch rail and has two-sided ditch rail according to composite type CD-R of the present invention and manufacture method thereof with one forms, and this composite type CD-R from top to bottom includes Blu-ray Disc (BD) record format with respect to optical read/write head, Video CD (DVD) record format and CD (CD) record format, simultaneously, this recording mode may be selected to be default cutting, the combination of organic dyestuff recording layer or phase change recording layer, increased the capacity of data storage effectively with the composite type CD-R of this structure composition, add that this composite type CD-R can have different recording modes simultaneously, more increased the compatibility of this composite type CD-R use at the optical data read-write equipment of different size and function.

The above only is an illustrative, but not is restricted person.Anyly do not break away from spirit of the present invention and category, and, all should be contained in the described claim scope its equivalent modifications of carrying out or change.

Claims (11)

1. a composite type CD-R is characterized in that, comprises:

One first substrate, it has a first surface and a second surface, this first surface has the trench structure of a blue-ray disc format, and be provided with one first recording layer and one first semi-reflective layer, this first semi-reflective layer is formed on this first surface, and this first recording layer is formed on this first semi-reflective layer; And

One second substrate, it has one the 3rd surface and one the 4th surface, wherein the 3rd surface has the trench structure of a Video CD form, and be provided with one second recording layer and one second semi-reflective layer, this second semi-reflective layer is formed on the 3rd surface, and this second recording layer is formed on this second semi-reflective layer, and the second surface of this second recording layer and this first substrate is fitted, and the 4th surface has the trench structure of a disk format, and is provided with a total reflection layer.

2. composite type CD-R as claimed in claim 1 is characterized in that, more comprises:

One protective seam, this protective seam are formed on first recording layer of this first substrate.

3. composite type CD-R as claimed in claim 2, wherein the thickness of this protective seam is 0.1mm.

4. composite type CD-R as claimed in claim 1, wherein the thickness of this first substrate is 0.5mm, the thickness of this second substrate is 0.6mm.

5. composite type CD-R as claimed in claim 1, wherein the 4th surface of this second substrate more comprises one the 3rd recording layer, and the 3rd recording layer is formed between the 4th surface and this total reflection layer.

6. a composite CD-disc piece making method is characterized in that, this composite type CD-R comprises one first substrate and one second substrate, and this composite CD-disc piece making method comprises:

One first molding substrate program, it utilizes an one-side mould to penetrate first substrate that formation one has single face ditch rail, on a first surface of this first substrate, penetrate the ditch rail structure that forms a blue-ray disc format, and on this first surface, form one first semi-reflective layer and one first recording layer in regular turn;

One second molding substrate program, it utilizes a match plate pattern tool to penetrate first substrate that formation one has two-sided ditch rail, the ditch rail structure that penetrates formation one Video CD form is gone up on one the 3rd surface in this second substrate, and go up formation one second semi-reflective layer and one second recording layer in the 3rd surface in regular turn, and the ditch rail structure that penetrates formation one disk format is gone up on one the 4th surface in this second substrate, and forms a total reflection layer in the 4th surperficial going up;

One applying program, it fits second recording layer of this second substrate and a second surface of this first substrate; And

One protective seam forms program, and it is formed at a protective seam on first recording layer of this first substrate.

7. composite CD-disc piece making method as claimed in claim 6, wherein the thickness of this first substrate is 0.5mm, the thickness of this second substrate is about 0.6mm.

8. composite CD-disc piece making method as claimed in claim 6, wherein the thickness of this protective seam is about 0.1mm.

9. composite CD-disc piece making method as claimed in claim 6 wherein should the applying program utilize a UV cured colloidal sol to bind.

10. composite CD-disc piece making method as claimed in claim 6, wherein the 4th surface more comprises one the 3rd recording layer, and the 3rd recording layer is formed between the 4th surface and this total reflection layer.

11. composite CD-disc piece making method as claimed in claim 6, wherein this first recording layer and this second recording layer comprise an organic dyestuff and a metallics at least one of them.

Images