CN1193362C - Optical recording medium and method for mfg. optical recording medium - Google Patents
Optical recording medium and method for mfg. optical recording medium Download PDFInfo
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- CN1193362C CN1193362C CNB021269351A CN02126935A CN1193362C CN 1193362 C CN1193362 C CN 1193362C CN B021269351 A CNB021269351 A CN B021269351A CN 02126935 A CN02126935 A CN 02126935A CN 1193362 C CN1193362 C CN 1193362C
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Abstract
The purpose of the present invention is to provide an optical recording medium which can have representations 'side A' and 'side B' presenting the surfaces of the sides A and B only by a display print given to one surface side (side A or side B). A 1st print layer 2 is formed by printing the direction-reversed characters of 'side B' as a 1st information part 6, and a partially-solid mask part as a 1st solid part 7 on a transparent clamp area 1 on the side of 'side A' at the same time. Then a solid part (2nd solid part 9) is printed on the 1st information part 6 by using a color different from the color used for the 1st print layer 2, and normal non-reversed characters (2nd information part 8) of 'side A' are printed on the 1st solid part 7 to form a 2nd print layer 3.
Description
Technical field
The present invention relates to a kind of optical recording media and manufacture method thereof, for example on the double-sided recording modes type optical recording media of A face and B face, only go up character marking " Side A ", " the Side B " that printing marks out each face that is used for discerning respectively these two faces and get final product at a face (A face or B face).
Background technology
Complementary recording type digital versatile disc DVD-R, single face recording type optical disc medium such as recordable type digital versatile disc DVD-RAM, DVD-RW, DVD+RW repeatedly, can be at non-recording surface one side printed label, also can write character by the user, so, can be easy to identify information recording surface and non-recording surface at a glance with eyes.But, the double-sided recording modes type CD of fit type, on the disk medium that in the box of not packing into, uses separately, a zone is not set especially, can be by disc manufacturing plant man print character or image etc. on the non-recording surface of CD, perhaps write content again, so the problem that exists is to be difficult to distinguish or 2 record surfaces that are arranged on the CD are discerned with other CDs by the user.
For example, non-recording areas a kind of so-called pinch zones (cramp area), that be used for CD controlled (fixing) is set in interior all zones of CD, in this non-recording areas, being no more than in the scope of compact disk standards surface accuracy can prints labels or write literal.But the pinch zones of the CD that use clear binder and transparent sheet applying form is transparent, so under the situation of printing word, literal is anti-when seeing from the negative herein, is not easy to understand immediately its content.And " A " character of expression Side face is seen also still " A " from the negative, so, only see that it is that literal is difficult to judge immediately for which face.Such shortcoming appears.
Have again, under the situation of utilizing opaque bonding agent and adhesive sheet to fit, perhaps the coating background color makes the literal at the back side print " Side A " after can not seeing through on a face to print literal such as " Side B ", so easy identification on reverse side on the same position of the face of the both sides of hyalomere.But, this method, the problem of existence is: must print respectively on two faces, operation doubles, and production efficiency reduces.
Specifically, open the spy and to disclose a kind of like this technology in the flat 8-297865 communique, promptly in order to discern the pros and cons of the record surface on the double-sided recording modes type disk medium, mutually different 2 CDs of the internal diameter of the single face recording type optical disc medium of the internal diameter of the single face recording type optical disc medium of one side and opposite side are fit together, make double-sided recording modes type disk medium.Have again, open in the flat 8-297863 communique the spy; Disclose a kind of like this method, promptly 2 CDs that are provided with the mutually different reflectance coating of color on record surface have been fit together, made double-sided recording modes type disk medium, so that the pros and cons of identification record face.Moreover, the spy open disclose again in the communique among the flat 2-263343 below a kind of method, i.e. recorded information part on each composition surface one side of pair of substrate, the masked area during by film forming is crossed each substrate can separate read message.
But, no matter be any method, also all there is such problem, promptly must individually make the single face recording type optical disc and fit the cost height.
Summary of the invention
Therefore, the present invention proposes in view of the above problems.Its purpose is the optical recording media manufacture method that following optical recording media is provided and makes above-mentioned optical recording media; Especially on a kind of so non-recording areas, stack gradually and form the 1st printed layers and the 2nd printed layers, this non-recording areas is in recording areas that forms on the face and the district on the above-mentioned face beyond the recording areas, and has a light transmission, can be from above-mentioned another face of face perspective, above-mentioned the 1st printed layers has: the 1st message part and the 1st shading light part, the 1st message part have literal, mark and the figure etc. that present counter-rotating (pros and cons is put upside down) when an above-mentioned face is watched; The 1st shading light part is the part beyond above-mentioned the 1st message part, has shade function, have the 2nd message part and the 2nd shading light part on above-mentioned the 2nd printed layers, the 2nd message part has just present literal, mark and the figure etc. that change (pros and cons is constant) when an above-mentioned face is watched; The 2nd shading light part is the part beyond above-mentioned the 2nd message part, has the shading performance, above-mentioned the 2nd shading light part of printing on above-mentioned the 1st message part, and, above-mentioned the 2nd message part of printing on above-mentioned the 1st shading light part, so, from an above-mentioned face, can only read above-mentioned the 2nd message part that is just changeing; From above-mentioned another face, can only read above-mentioned the 2nd message part that is just changeing.
In order to address the above problem, the invention provides the optical recording media and the optical recording media manufacture method of following structure.(1) a kind of optical recording media of double-sided recording modes structure, its double-sided recording modes structure is as follows: the recording areas of energy recorded information is respectively formed on a face and another face, the recording areas that has perhaps recorded information is respectively formed on an above-mentioned face and above-mentioned another face, perhaps above-mentioned recording areas is formed on above-mentioned another face, and, above-mentioned recording areas is formed on above-mentioned another face
It is characterized in that: have form respectively beyond the above-mentioned recording areas of an above-mentioned face and another face or the above-mentioned recording areas, have the non-recording areas that can have an X-rayed the light transmission of above-mentioned another face from the above-mentioned face; With
On the above-mentioned non-recording areas that forms on the above-mentioned face, stack gradually the 1st printed layers and the 2nd printed layers of formation,
Above-mentioned the 1st printed layers has:
The 1st message part, it has literal, mark and the figure that occurs counter-rotating when an above-mentioned face is watched any; And
The 1st shading light part, this is the part beyond above-mentioned the 1st message part, it has shade function,
Above-mentioned the 2nd printed layers has:
The 2nd message part, it has the literal that occurs non-counter-rotating when an above-mentioned face is watched, any in mark and the figure; And
The 2nd shading light part, this is the part beyond above-mentioned the 2nd message part, it has shade function,
On above-mentioned the 1st message part, form above-mentioned the 2nd shading light part, and on above-mentioned the 1st shading light part, form above-mentioned the 2nd message part.
(2) as technical scheme 1 described optical recording media, it is characterized in that: the literal, mark and the figure that constitute above-mentioned the 1st message part and the 2nd message part form with black matrix lean type literal.
(3) as technical scheme 1 or 2 described optical recording medias, it is characterized in that: above-mentioned the 1st printed layers utilizes the 1st look to form, and above-mentioned the 2nd printed layers utilization 2nd look with above-mentioned the 1st look different forms.
(4) a kind of optical recording media manufacture method that is used to make the optical recording media of double-sided recording modes structure, its double-sided recording modes structure is as follows: the recording areas of energy recorded information is respectively formed on a face and another face, the recording areas that has perhaps recorded information is respectively formed on an above-mentioned face and above-mentioned another face, perhaps above-mentioned recording areas is formed on above-mentioned another face, and, above-mentioned recording areas is formed on above-mentioned another face, has the non-recording areas that to have an X-rayed the light transmission of above-mentioned another face from the above-mentioned face forming respectively beyond the above-mentioned recording areas of an above-mentioned face and another face or the above-mentioned recording areas, being characterised in that of this method: have the 1st printed layers and form operation, be used for the above-mentioned non-recording areas that on an above-mentioned face, forms, formation has the 1st printed layers of the 1st message part and the 1st shading light part, the 1st message part, when an above-mentioned face is watched, literal with counter-rotating, in mark and the figure any, the 1st shading light part is the part beyond above-mentioned the 1st message part, has shade function; With
The 2nd printed layers forms operation, be used on above-mentioned the 1st printed layers, forming and have the 2nd printed layers of the 2nd message part and the 2nd shading light part, the 2nd message part, when an above-mentioned face is watched, have in literal, mark and the figure of non-counter-rotating any, the 2nd shading light part is the part beyond above-mentioned the 2nd message part, has shade function
The 1st printed layers forms operation and forms above-mentioned the 1st message part and above-mentioned the 1st shading light part simultaneously,
Above-mentioned the 2nd printed layers forms in the operation, forms above-mentioned the 2nd shading light part on above-mentioned the 1st message part, forms above-mentioned the 2nd message part on above-mentioned the 1st shading light part, and forms above-mentioned the 2nd shading light part and above-mentioned the 2nd message part simultaneously.
(5) as technical scheme 4 described optical recording media manufacture methods, it is characterized in that: the literal, mark and the figure that constitute above-mentioned the 1st message part and the 2nd message part form with black matrix lean type literal.
(6) as technical scheme 4 or 5 described optical recording media manufacture methods, it is characterized in that: above-mentioned the 1st printed layers forms in the operation utilizes the 1st look to form above-mentioned the 1st printed layers, and above-mentioned the 2nd printed layers forms utilizes 2nd look with above-mentioned the 1st look different to form above-mentioned the 2nd printed layers in the operation.
Embodiment
Below describe most preferred embodiment of the present invention in detail.
At this,, utilize double-sided recording modes type CD to describe as the embodiment of optical recording media of the present invention for ease of explanation.But optical recording media of the present invention is not limited only to this CD, and is self-evident, and the present invention is also applicable to the double-sided recording modes type optical recording media etc. of card shape.
Optical recording media of the present invention for example is the double-sided recording modes type CD of fit type.Its details is: optical recording media of the present invention is a kind of like this double-sided recording modes type CD of structure, the recording areas (data field) that can remember information (complementary recording, record) repeatedly is respectively formed at the CD on a face (for example Side A) and another face (for example Side B), with two for example single face recording type optical disc monolithics such as DVD-R, DVD-RAM, DVD-RW, DVD+RW fit together.At this, so-called monolithic is meant: groove or pitting form spiral fashion or concentric circles, have on a face as the recording areas or the light transmissive base sheet of the record surface of recording areas, stack gradually in case of necessity on one face and form recording layer, reflection horizon, protective seam.Another face of light transmissive base sheet is as the shadow surface (these all do not have diagram) of laser.
Moreover optical recording media of the present invention is a kind of double-sided recording modes type CD, and its structure is: the recording areas of recorded information is respectively formed at the playback tailored version CD on an above-mentioned face and above-mentioned another face, for example fits together with 2 DVD-ROM monolithics.
Have again, optical recording media of the present invention is a kind of double-sided recording modes type CD, its structure is as follows: above-mentioned recording areas is formed on the above-mentioned face, and, above-mentioned recording areas is formed on CD on above-mentioned another face, and promptly a face for example has recording playback (read-write) function of the single face recording type optical disc of DVD-R, DVD-RAM, DVD-RW, DVD+RW etc., simultaneously, another face for example has DVD---and the read-only function of the single face recording type optical disc of ROM is bonded 2 such monolithics.
Optical recording media of the present invention stacks gradually on non-recording areas (for example pinch zones, inner circular part) and forms the 1st printed layers and the 2nd printed layers (for example following Fig. 2, Fig. 3), this non-recording areas is the district of the above-mentioned face beyond the above-mentioned recording areas that forms on an above-mentioned face or the above-mentioned recording areas, and, have light transmission, from an above-mentioned face, can have an X-rayed above-mentioned another face.
Above-mentioned the 1st printed layers (for example Fig. 2) has:
The 1st message part, it has the literal that occurs counter-rotating (back side turns over) when an above-mentioned face is watched, mark, figure etc., is used for expression (" Side B ") above-mentioned another face; And
The 1st shading light part, this is the part beyond the 1st message part, it has shading (sheltering) function.
Above-mentioned the 2nd printed layers (for example Fig. 3) has:
The 2nd message part, it has the literal that occurs just changeing (back side does not turn over) when an above-mentioned face is watched, mark, figure etc., is used for expression (" Side B ") above-mentioned another face; And
The 2nd shading light part, this is the part beyond the 2nd message part, it has shading (sheltering) function.
Like this, optical recording media of the present invention, above-mentioned the 2nd shading light part of printing on above-mentioned the 1st message part, and also above-mentioned the 2nd message part of printing like this, can only be read above-mentioned the 2nd message part that is just changeing from an above-mentioned face on above-mentioned the 1st shading light part; Can from another face, only read above-mentioned the 1st message part that is just changeing.
Moreover, constitute the usefulness black matrix lean type word such as literal, mark, figure (opposite) of above-mentioned the 1st message part and above-mentioned the 2nd message part and form (Fig. 6 for example described later, Fig. 7) with the black entity text of the white background of " just ".
The optical recording media manufacture method of the present invention of making the optical recording media of above-mentioned double-sided recording modes structure has following each operation respectively: stack gradually on non-recording areas and form the 1st printed layers and the 2nd printed layers, this non-recording areas is the district on the above-mentioned face beyond above-mentioned recording areas that forms on the above-mentioned face or the above-mentioned recording areas, and it has light transmission, can be from above-mentioned another face of face perspective.
Optical recording media manufacture method of the present invention, an one above-mentioned operation is: when forming above-mentioned the 1st printed layers on above-mentioned non-recording areas, utilize the 1st look to print formation simultaneously:
The 1st message part, it has the literal that occurs counter-rotating when a face is watched, mark and figure etc.; And
The 1st shading light part, this is the part beyond the 1st message part, it has shade function.
Moreover, optical recording media manufacture method of the present invention, its another above-mentioned operation is: when forming above-mentioned the 2nd printed layers on above-mentioned the 1st printed layers, utilize the 2nd look beyond above-mentioned the 1st look, printing simultaneously forms:
The 2nd message part, it has and occurs the literal that just changeing when a face is watched, mark and figure etc.; And
The 2nd shading light part, this is the part beyond the 2nd message part, it has shade function.
So that above-mentioned the 2nd shading light part of printing on above-mentioned the 1st message part; And, above-mentioned the 2nd message part of printing on above-mentioned the 1st shading light part.
Brief description of drawings
Fig. 1 represents the double-sided recording modes type CD as the 1st embodiment of optical recording media of the present invention, (A) is front view (FV); (B) be the MM sectional drawing in (A); (C) be the sectional drawing of the part P in (B).
Fig. 2 is the front view (FV) of watching from Side A side as the 1st printed layers of the double-sided recording modes type CD of the present invention the 1st embodiment (the 1st printing).
Fig. 3 is the front view (FV) of watching from Side A side as the 2nd printed layers of the double-sided recording modes type CD of the present invention the 1st embodiment (the 2nd printing).
Fig. 4 is the front view (FV) of watching from Side A side as the double-sided recording modes type CD of the present invention the 1st embodiment.
Fig. 5 is the front view (FV) of watching from Side B side as the double-sided recording modes type CD of the present invention the 1st embodiment.
Fig. 6 is the front view (FV) of watching from Side A side as the 1st printed layers of the double-sided recording modes type CD of the present invention the 2nd embodiment (the 1st printing).
Fig. 7 is the front view (FV) of watching from Side A side as the 2nd printed layers of the double-sided recording modes type CD of the present invention the 2nd embodiment (the 2nd printing).
Fig. 8 is the front view (FV) of watching from Side B side as the double-sided recording modes type CD of the present invention the 3rd embodiment.
Fig. 9 is the front view (FV) of watching from Side B side as the double-sided recording modes type CD of the present invention the 3rd embodiment.
Figure 10 is the part sectional drawing of the CD of the double-sided recording modes structure in the 1st comparative example.
Figure 11 is the part sectional drawing of the CD of the double-sided recording modes structure in the 2nd comparative example.
Embodiment
Following according to Fig. 1-Fig. 9, describe various embodiments of the present invention in detail.
Fig. 1 represents the double-sided recording modes type CD as the 1st embodiment of optical recording media of the present invention, (A) is front elevation; (B) be the MM sectional drawing in (A); (C) be the sectional drawing of the part P in (B).
Fig. 2 makes the front elevation (the 1st printing) that the 1st printed layers of the double-sided recording modes type CD of the present invention the 1st embodiment is watched from Side A side.
Fig. 3 makes the front elevation (the 2nd printing) that the 2nd printed layers of the double-sided recording modes type CD of the present invention the 1st embodiment is watched from Side A side.
Fig. 4 makes the front elevation that the Side A side of the double-sided recording modes type CD of the present invention the 1st embodiment is watched.
Fig. 5 is the front elevation of watching from Side B side of making the double-sided recording modes type CD of the present invention the 1st embodiment.
Fig. 6 makes the front elevation (the 1st printing) that the 1st printed layers of the double-sided recording modes type CD of the present invention the 2nd embodiment is watched from Side A side.
Fig. 7 makes the front elevation (the 2nd printing) that the 2nd printed layers of the double-sided recording modes type CD of the present invention the 2nd embodiment is watched from Side A side.
Fig. 8 is the front elevation of watching from Side B side of making the double-sided recording modes type CD of the present invention the 3rd embodiment.
Fig. 9 is the front elevation of watching from Side B side of making the double-sided recording modes type CD of the present invention the 3rd embodiment.
In Fig. 1～Fig. 9,10, the 20, the 30th, the CD of double-sided recording modes structure, the 1st, pinch zones (non-recording areas), 2 is the 1st printed layers, 3 is the 2nd printed layers, the 4th, interior garden section (non-recording areas), the 5th, recording areas, 6,6A, 6B are the 1st message parts, 7,7A, 7B the 1st be coated with real part (the 1st shading light part), 8,8A, 8B be the 2nd message part, 9,9A, 9B the 2nd are coated with real part (the 2nd shading light part), A is A face (face), and B is B face (another face), and C is centre bore. Recording areas 5 according to circumstances also can be recording areas.
[the 1st embodiment]
At first utilize Fig. 1-Fig. 5 that the 1st embodiment is described.
Shown in Fig. 1 (A)～(C), double-sided recording modes type CD 10 as the present invention the 1st embodiment has: pinch zones 1, the 1st printed layers 2, the 2nd printed layers 3, inner circular part 4, recording areas 5, the 1st message part 6, the 1st are coated with real part 7, the 2nd message part 8, the 2nd is coated with real part 9, Side A, Side B, and centre bore C. Centered by centre bore C, inner circular part 4, pinch zones 1, recording areas 5 are arranged to respectively concentric circles successively. Inner circular part 4, pinch zones 1 are non-recording areas. Pinch zones 1 and inner circular part 4 are the parts with light transmission, can have an X-rayed another face from a face.
This double-sided recording modes type CD 10 is the pinch zones 1 interior various expressions of using respectively entity text (" just " property) printing to form " Side A ", " Side B " at Side A or Side B.
At first, such as Fig. 1 (C) and shown in Figure 2, on 2 monolithics are fitted the transparent pinch zones 1 of a face Side A side of the double-sided recording modes type CD 10 that forms, print simultaneously the counter-rotating literal of those directions counter-rotatings that are arranged in " Side B " on the circumference as the 1st message part; A part of coating layer of printing masked portion is coated with real part 7 as the 1st, forms the 1st printed layers 2. Below such as Fig. 1 (C) and shown in Figure 3, utilize and the 1st printed layers 2 in used look different another kind of look come to print coating layer (the 2nd is coated with real part 9) in " Side B " the counter-rotating literal section (the 1st message part 6) of above-mentioned the 1st printed layers 2, simultaneously, nonreversible common literal (the 2nd message part 8) in the coating layer (the 1st is coated with real part 7) of above-mentioned the 1st printed layers 2 printing " Side A " forms the 2nd printed layers 3.
Printing process when forming printed layers (the 1st printed layers 2, the 2nd printed layers 3) can be adopted silk screen print method, hectographic printing, filling stamped method etc. But preferably can apply successively immediately 2 kinds with the printing process of colouring. Can print 2 looks above printing machine if use, then can be to the printing of the coating layer (the 2nd is coated with real part 9) in " Side B " the counter-rotating literal section (the 1st message part 6), and the printing of the nonreversible common literal of " Side A " on coating layer (first is coated with real part 7) (the 2nd message part 8), the two can aim the place together well, namely carries out easily printing contraposition.
After the 1st printed layers 2 and the printing of the 2nd printed layers 3 finish, be illustrated in Fig. 4, Fig. 5 from what Side A side, Side B side were watched printed layers respectively. Like this, can clearly read the expression of " Side A " from Side A side; Equally, also can clearly read the expression of " Side B " from Side B side. And in order to see clearly easily, making the 1st in Fig. 4, to be coated with real part 7 transparent on accompanying drawing, in Fig. 5 with white with black font representation " Side B ".
So, when watching, can correctly identify " Side A " printed words from printing surface one side (Side A side); The user when watching, can correctly identify " Side B " printed words from opposite one side (Side B side), no matter from which face watch, all can shelter the literal of opposite one side, so can correctly identify corresponding face. In the scope that can recognize each message part (the 1st message part 6, the 2nd message part 8) from each face, be coated with real part (the 1st is coated with real part 7, the 2nd is coated with real part 9) even translucently also can form figure etc.
Moreover area and the chromatic number of each Printing Department (the 1st printed layers 2, the 2nd printed layers 3) can freely be changed according to appearance design. And, also can be coated with the real part area by increase, write from both sides by the user, the user also identifies content easily.
Illustrated that more than the 1st message part 6 and the 1st is coated with real part 7 and prints simultaneously; Perhaps the 2nd message part 8 and the 2nd is coated with the example that real part 9 prints simultaneously, but also can adopt additive method, and but, the method production efficiency of printing is high simultaneously.
Have again, the static friction coefficient μ of printed layers is set in the proper range, can further improve the clamping performance.
[the 2nd embodiment]
Below utilize Fig. 6, Fig. 7, describe the 2nd embodiment in detail.
As Fig. 6, shown in Figure 7, double-sided recording modes type CD 20 as the present invention the 2nd embodiment, have: pinch zones the 1, the 2nd printed layers the 2, the 2nd printed layers 3, inner circular part 4, recording areas the 5, the 1st message part 6A, the 1st are coated with real part 7A, and the 2nd message part 8A, the 2nd is coated with real part 9A, Side A, Side B, center pit C.For the structure division identical with said structure, mark identical symbol, its explanation is omitted.
Double-sided recording modes type CD 20 by 2 monolithics are fitted and formed forms " Side A ", " Side B " two kinds of expressions with white with black font (negativity) printing respectively in the pinch zones 1 of Side A or SideB.Promptly be coated with real part 7A and form the white with black font as the 1st printed layers 2 by the 1st message part 6A and the 1st.And, be coated with real part 9A by the 2nd message part 8A and the 2nd and form black matrix lean type word as the 2nd printed layers 3.
" Side A ", " Side B " character both can be the black entity words (" positivity ") of white background, also can be black matrix lean type word (" negativity ").But the 2nd embodiment expresses the situation of black matrix lean type word (the 1st message part 6A+ the 1st is coated with real part 7A, the 2nd message part 8A+ the 2nd is coated with real part 9A), with the black entity word (the 1st message part the 6, the 2nd message part 8) of white background that replaces the 1st embodiment.According to the method identical with the 1st embodiment, as shown in Figure 6, print the 1st message part 6A and the 1st simultaneously and be coated with real part 7A, form the 1st printed layers 2, then, as shown in Figure 7, print the 2nd message part 8A and the 2nd simultaneously and be coated with real part 9A, overlapping printing the 2nd printed layers 3.
The Printing Department that overlaps to form the 2nd printed layers 3 on the 1st printed layers 2 utilizes under the situation of pinch zones 1, considers from the index plane precision of easy maintenance CD 20, preferably adopts the black matrix lean type literal of the increased evener area of printing easily.Fig. 6, Fig. 7 represent to adopt the Printing Department of black matrix lean type word.
[the 3rd embodiment]
Below utilize Fig. 8, Fig. 9, describe the 3rd embodiment in detail.
As Fig. 8, shown in Figure 9, double-sided recording modes type CD 30 as the present invention the 3rd embodiment, have: pinch zones the 1, the 2nd printed layers the 2, the 2nd printed layers 3, inner circular part 4, recording areas the 5, the 1st message part 6B, the 1st are coated with real part 7B, and the 2nd message part 8B, the 2nd is coated with real part 9B, Side A, Side B, center pit C.For the structure division identical with said structure, mark identical symbol, its explanation is omitted.
The double-sided recording modes type CD 30 of fitting and forming by 2 monolithics, respectively in the interior garden of Side A or SideB portion 4 with black entity word (positivity) printing of white background formation " Side A ", " Side B " two kinds of expressions.Promptly be coated with real part 7B and form the white gravoply, with black engraved characters body as the 1st printed layers 2 by the 1st message part 6B and the 1st.And, be coated with real part 9B by the 2nd message part 8B and the 2nd and form the white background boldface type as the 2nd printed layers 3.The printing process of printing process in the case during with above-mentioned the 1st embodiment is identical.
Moreover this double-sided recording modes type CD 30 uses black matrix wrongly written or mispronounced character (negativity) to print formation " Side A ", " Side B " two kinds of marks on the inner circular part 4 of Side A or Side B respectively.Promptly be coated with real part 7B and form the black matrix wrongly written or mispronounced character as the 1st printed layers 2 by the 1st message part 6B and the 1st, and be coated with real part 9B by the 2nd message part 8B and the 2nd and form the black matrix wrongly written or mispronounced character as the 2nd printed layers 3, the printing process of printing process in the case during with above-mentioned the 2nd embodiment is identical.
But, form the printing position of " Side A ", " Side B " literal in printing, also can use pinch zones 1 and inner circular part 4 both.Except that pinch zones 1 and inner circular part 4, if other transparent or semitransparent parts so, as long as in this specification limit record surface (recording areas 5) is not influenced, also can be utilized any part of CD.But when utilizing pinch zones 1 and inner circular part 4, to high speed rotating tracing property, clamping surface damage, mark cut, flatness is particularly better.
Below utilize Figure 10 and Figure 11, describe the double-sided recording modes type CD that compares the 1st and the 2nd used comparative example with various embodiments of the present invention in detail.
The component part identical with said structure marks identical symbol, and its explanation is omitted.
Figure 10 is the part sectional drawing of the double-sided recording modes structure CD in the 1st comparative example.
Figure 11 is the part sectional drawing of the double-sided recording modes structure CD in the 2nd comparative example.
Among Figure 10 and Figure 11, the 40, the 50th, double-sided recording modes structure CD, 6C, 6D are the 1st message parts, and 7C, 7D the 1st are coated with real part (the 1st light shielding part), and 8C, 8D are the 2nd message parts, and 9C, 9D the 2nd are coated with real part (the 2nd light shielding part).And, illustrating near controlled 1 in the center, other structures are identical with various embodiments of the present invention, are omitted at this.
[the 1st comparative example]
At first, utilize Figure 10 that the double-sided recording modes type CD of the 1st comparative example is described.
As shown in figure 10, the double-sided recording modes type CD 40 of the 1st comparative example, have: pinch zones the 1, the 1st printed layers the 2, the 2nd printed layers 3, inner circular part 4 (not shown), recording areas 5 (not shown), the 1st message part 6C, the 1st light shielding part 7C, the 2nd message part 8C, the 2nd light shielding part 9C, Side A, Side B, center pit C (not shown).
The same with various embodiments of the present invention, be the center with center pit C, inner circular part 4, pinch zones 1, recording areas 5 are arranged to concentric circles respectively successively.Inner circular part 4, pinch zones 1 are non-recording areas.Pinch zones 1 and inner circular part 4 are the parts with light transmission, can have an X-rayed another face from a face.
This double-sided recording modes type CD 40 before 2 monolithics are fitted, on binding face one side of each monolithic, uses entity text (positivity) to print the mark of formation " SideA ", " Side B " respectively on each monolithic.
A kind of monolithic A is set, with transparent pinch zones 1 opposed binding face as the monolithic of Side A face on, print a kind of counter-rotating literal of " Side A " the face direction counter-rotating on the circle that is arranged in as the 1st message part 6C; The a part of coating layer that prints a kind of masked portion simultaneously forms the 1st printed layers 2 as the 1st light shielding part 7C.Then, a kind of monolithic B is set, with transparent pinch zones 1 opposed binding face as the monolithic of Side B face on, utilize the inverted file word of direction counter-rotating that the another kind of color different with color used in the 1st printed layers 2 print a kind of " Side B " as the 2nd message part 8C; The a part of coating layer that prints a kind of masked portion simultaneously forms the 2nd printed layers 3 as the 2nd shading light part 9C.
Then, the 2nd shading light part 9C that makes the 1st message part 6C of monolithic A and monolithic B opposite one another, the 2nd message part 8C that makes the 1st shading light part 7C of monolithic A and monolithic B simultaneously also opposite one another, respectively with each printed layers one side as the inboard, with bonding agent both are fit together, form double-sided recording modes type CD 40.
[the 2nd comparative example]
Secondly, utilize Figure 11 that the double-sided recording modes type CD of the 2nd comparative example is described.
As shown in figure 11, the double-sided recording modes type CD 50 of the 2nd comparative example, have: pinch zones the 1, the 1st printed layers the 2, the 2nd printed layers 3, inner circular part 4 (not shown), recording areas 5 (not shown), the 1st message part 6D, the 1st are coated with real part 7D, the 2nd message part 8D, the 2nd light shielding part 9D, Side A, Side B, center pit C (not shown).The same with various embodiments of the present invention, be the center with center pit C, inner circular part 4, pinch zones 1, recording areas 5 are arranged to concentric circles respectively successively.Inner circular part 4, pinch zones 1 are non-recording areas.Pinch zones 1 and inner circular part 4 are the parts with light transmission, can have an X-rayed another face from a face.
This double-sided recording modes type CD 50 on the Side A and the Side B outside separately, uses entity text (positivity) printing to form the mark of " Side A ", " Side B " respectively.
At first, on a face of the double-sided recording modes type CD 50 that 2 monolithics applyings are formed, be on the Side A, print masked portion basically as the 1st shading light part 7D comprehensively, the nonreversible common literal that forms " Side A " then on the 1st shading light part 7D is as the 1st message part 6D.Then double-sided recording modes type CD 50 is turned over, print masked portion basically all sidedly as the 2nd shading light part 9D on Side B face, afterwards, on the 2nd shading light part 9D, the nonreversible common literal that forms " Side B " is as the 2nd message part 8D.
The CD of making according to each embodiment and comparative example to its production efficiency, high speed rotating tracing property, clamping surface damage, mark cut, flatness, is all estimated, and it the results are shown in table 1.
(table 1)
| Assessment item | The 1st embodiment | The 2nd embodiment | The 3rd embodiment | The 1st comparative example | The 2nd comparative example | |
| Production efficiency | During the printer | ◎ | ◎ | ◎ | ×× | △ |
| Technology | ○ | ○ | ○ | × | △ | |
| The versatility of single face dish | ○ | ○ | ○ | × | ○ | |
| The high speed rotating tracing property | ◎ | ◎ | ◎ | △ | ◎ | |
| The clamping surface damage | ○ | ○ | ○ | × | ◎ | |
| The mark cut | ○ | ○ | ○ | ◎ | ○ | |
| Flatness | ○ | ◎ | ○ | ◎ | △ |
At first, the evaluation method and the evaluation criterion of each assessment item in the his-and-hers watches 1 are described as follows.
One of production efficiency is meant that process number is still to be fewly more when estimating the printer, and ◎ is considerably less, the 0th, and less, △ is many slightly, * be many, * * be very many.Technology is meant simple still complicated, the 0th, and simple, △ is a bit complicated, * be complicated.With the versatility of single face dish, be meant whether the manufacturing process of single face dish and double-sided disc can be general, the 0th, can, * be can not.
The high speed rotating tracing property is: CD installed on the main shaft of energy high speed rotating, it is rotated by rotating speed 1, follow the tracks of, focus on the laser pickup head, then, measuring vibrations frequency 1 conduct and the proportional eigenvalue of CD speed.Again the speed of mainshaft is changed into rotating speed 2, measuring vibrations frequency 2 is estimated with change in rotational speed vibration frequency as the tracing property of data.◎ is that tracing property is very good, the 0th, and excellent, △ is poor slightly, * be poor.
The clamping surface damage is the taking-up of putting into of repeatedly carrying out CD holder in the CD recording and playing machine, and with the naked eye checks the damage of clamping surface then.◎ does not almost have scar, and the 0th, some small scars are arranged, △ is some damage, * be that damage is a lot.
The mark cut is that the scuffing exerciser of going up certainly that utilizes the 1st message part to see scratches test, and ◎ is a no marking, and zero has cut slightly.
Flatness is to utilize the unit clamp that can fix on index plane, waits with 3 dimension measuring instruments and measures the addendum modification that CD departs from index plane.◎ is that addendum modification is below the above 0.02mm of 0.00mm, the 0th, and addendum modification is below the above 0.05mm of 0.02mm, △ is that addendum modification is more than the 0.05mm.
As shown in table 1, the 1st comparative example forms printed layers on the monolithic binding face, so though mark cut, flatness are good, production efficiency, high speed rotating tracing property, clamping surface damage are all relatively poor, especially production efficiency is very low.And, at the 2nd comparative example poor-performing during than the superior printer of the 1st comparative example, aspect the explained hereafter efficient.Moreover as in the present invention, its structure is not to the 2nd light shielding part layering that superposes of the 1st message part, to the 2nd information portion layering that superposes of the 1st shading light part, but on shading light part simple overlapped information part.So flatness is poor, warping characteristic is poor.
To this, the 1st～the 3rd embodiment of the present invention, its structure is, only on a face of CD printed layers arranged, and to the 2nd light shielding part layering that superposes of the 1st message part; To the 2nd information portion layering that superposes of the 1st shading light part, so all assessment items are well, especially during the printer, the high speed rotating tracing property is good.Therefore, the present invention can reach high efficiency production, and the high speed reads write attribute is good on reality is used.In addition, the 2nd embodiment forms message part with black matrix lean type word, so flatness is especially good.
And the foregoing description is illustrated discoid optical recording media, but card media etc. is suitable for too.
The effect of invention
As mentioned above, if employing the present invention, then can provide a kind of optical recording media, and the optical recording media manufacture method of making above-mentioned optical recording media, in recording areas that a face forms or the district on the above-mentioned face beyond the recording areas, and have having an X-rayed on the non-recording areas of above-mentioned another face from an above-mentioned face of light transmission, stack gradually and form the 1st printed layers and the 2nd printed layers. Above-mentioned the 1st printed layers has: the 1st message part, and it has literal, mark and the figure etc. that occur counter-rotating when watching from an above-mentioned face; And the 1st shading light part, this is the part beyond above-mentioned the 1st message part, and it has shade function, and above-mentioned the 2nd printed layers has: the 2nd message part, it has the literal that occurs forward when an above-mentioned face is watched, mark and figure etc.; And the 2nd shading light part, this is the part beyond above-mentioned the 2nd message part, it has shade function, at above-mentioned the 2nd shading light part of above-mentioned the 1st message part printing, and at above-mentioned the 2nd message part of above-mentioned the 1st shading light part printing, therefore, above-mentioned the 2nd message part of forward can only be read from the above-mentioned face, above-mentioned the 1st message part of forward can only be read from above-mentioned another face.
A kind of optical recording media can be provided, and the optical recording media manufacture method of making above-mentioned optical recording media, its structure is: only a face at CD has printed layers, and, form the 2nd shading light part at above-mentioned the 1st message part; Form the 2nd message part at above-mentioned the 1st shading light part, so, production efficiency, High Rotation Speed tracing property, clamping area damage, mark cut, flatness, these characteristics are well.
Claims (6)
1. the optical recording media of a double-sided recording modes structure, its double-sided recording modes structure is as follows: the recording areas of energy recorded information is respectively formed on a face and another face, the recording areas that has perhaps recorded information is respectively formed on an above-mentioned face and above-mentioned another face, perhaps above-mentioned recording areas is formed on the above-mentioned face, and above-mentioned recording areas is formed on above-mentioned another face
It is characterized in that: have form respectively beyond the above-mentioned recording areas of an above-mentioned face and another face or the above-mentioned recording areas, have the non-recording areas that can have an X-rayed the light transmission of above-mentioned another face from the above-mentioned face; With
On the above-mentioned non-recording areas that forms on the above-mentioned face, stack gradually the 1st printed layers and the 2nd printed layers of formation,
Above-mentioned the 1st printed layers has:
The 1st message part wherein when an above-mentioned face is watched, has in literal, mark and the figure of counter-rotating any; And
The 1st shading light part, this is the part beyond above-mentioned the 1st message part, it has shade function,
Above-mentioned the 2nd printed layers has:
The 2nd message part wherein when an above-mentioned face is watched, has in literal, mark and the figure of non-counter-rotating any; And
The 2nd shading light part, this is the part beyond above-mentioned the 2nd message part, it has shade function,
On above-mentioned the 1st message part, form above-mentioned the 2nd shading light part, and on above-mentioned the 1st shading light part, form above-mentioned the 2nd message part.
2. optical recording media as claimed in claim 1 is characterized in that: the literal, mark and the figure that constitute above-mentioned the 1st message part and the 2nd message part form with black matrix lean type literal.
3. optical recording media as claimed in claim 1 or 2 is characterized in that: above-mentioned the 1st printed layers utilizes the 1st look to form, and above-mentioned the 2nd printed layers utilization 2nd look with above-mentioned the 1st look different forms.
4. optical recording media manufacture method that is used to make the optical recording media of double-sided recording modes structure, its double-sided recording modes structure is as follows: the recording areas of energy recorded information is respectively formed on a face and another face, the recording areas that has perhaps recorded information is respectively formed on an above-mentioned face and above-mentioned another face, perhaps above-mentioned recording areas is formed on the above-mentioned face, and, above-mentioned recording areas is formed on above-mentioned another face, has the non-recording areas that to have an X-rayed the light transmission of above-mentioned another face from the above-mentioned face forming respectively beyond the above-mentioned recording areas of an above-mentioned face and another face or the above-mentioned recording areas
Being characterised in that of this method: have the 1st printed layers and form operation, be used for the above-mentioned non-recording areas that on an above-mentioned face, forms, formation has the 1st printed layers of the 1st message part and the 1st shading light part, the 1st message part, when an above-mentioned face is watched, have in literal, mark and the figure of counter-rotating any, the 1st shading light part is the part beyond above-mentioned the 1st message part, has shade function; With
The 2nd printed layers forms operation, be used on above-mentioned the 1st printed layers, forming and have the 2nd printed layers of the 2nd message part and the 2nd shading light part, the 2nd message part, when an above-mentioned face is watched, have in literal, mark and the figure of non-counter-rotating any, the 2nd shading light part is the part beyond above-mentioned the 2nd message part, has shade function
The 1st printed layers forms operation and forms above-mentioned the 1st message part and above-mentioned the 1st shading light part simultaneously,
Above-mentioned the 2nd printed layers forms in the operation, forms above-mentioned the 2nd shading light part on above-mentioned the 1st message part, forms above-mentioned the 2nd message part on above-mentioned the 1st shading light part, and forms above-mentioned the 2nd shading light part and above-mentioned the 2nd message part simultaneously.
5. optical recording media manufacture method as claimed in claim 4 is characterized in that: the literal, mark and the figure that constitute above-mentioned the 1st message part and the 2nd message part form with black matrix lean type literal.
6. as claim 4 or 5 described optical recording media manufacture methods, it is characterized in that: above-mentioned the 1st printed layers forms in the operation utilizes the 1st look to form above-mentioned the 1st printed layers, and above-mentioned the 2nd printed layers forms utilizes 2nd look with above-mentioned the 1st look different to form above-mentioned the 2nd printed layers in the operation.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001301503 | 2001-09-28 | ||
| JP301503/2001 | 2001-09-28 | ||
| JP2002087915A JP2003173578A (en) | 2001-09-28 | 2002-03-27 | Optical recording medium and manufacturing method for optical recording medium |
| JP087915/2002 | 2002-03-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1410983A CN1410983A (en) | 2003-04-16 |
| CN1193362C true CN1193362C (en) | 2005-03-16 |
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ID=26623306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021269351A Expired - Fee Related CN1193362C (en) | 2001-09-28 | 2002-07-25 | Optical recording medium and method for mfg. optical recording medium |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2003173578A (en) |
| CN (1) | CN1193362C (en) |
| TW (1) | TW591648B (en) |
-
2002
- 2002-03-27 JP JP2002087915A patent/JP2003173578A/en active Pending
- 2002-06-18 TW TW091113289A patent/TW591648B/en not_active IP Right Cessation
- 2002-07-25 CN CNB021269351A patent/CN1193362C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2003173578A (en) | 2003-06-20 |
| CN1410983A (en) | 2003-04-16 |
| TW591648B (en) | 2004-06-11 |
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