TWI270879B - Inspection optical disk and manufacturing method thereof - Google Patents
Inspection optical disk and manufacturing method thereof Download PDFInfo
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- TWI270879B TWI270879B TW091111606A TW91111606A TWI270879B TW I270879 B TWI270879 B TW I270879B TW 091111606 A TW091111606 A TW 091111606A TW 91111606 A TW91111606 A TW 91111606A TW I270879 B TWI270879 B TW I270879B
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- 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
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
- G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/40—Details of apparatuses used for either manufacturing connectors or connecting the semiconductor or solid-state body
- H01L2924/401—LASER
- H01L2924/402—Type
- H01L2924/4025—Type being a gas
- H01L2924/40252—CO2 LASER
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Abstract
Description
1270879 五、發明說明（2) 驅動機的領域，正朝 = Ϊ展，就CD__驅動機而言，相對於標 :二 速度），得以相當於24至4。倍的 轉速a貝取-貝枓，而就DVD一r〇m而言 的轉速讀取資料。 亦得以相當於8至16倍 題。取：，會產生在標準速度時未曾出現的問 ί動;、加速度（即徑向之資料坑執道的急劇 以向（面振動）的…（即垂直方向的急 材料nDVD而言’由於相較於cd的厚度12咖，其成形 =枓的厚度可薄至〇.6咖，因此容易造成翹曲、面振動 ^ ϋ為’製作時是將2片厚*為〇.6麵的圓板以黏接 於c"d為:f1 ·2職之厚度，所以導致其面振動之形狀相較 、：、、、複$ ’並且有垂直方向加速度增大的傾向。 如上述’ DVD光碟片不但較容易產生垂直方向加速 ς姐而且DVD —R〇M驅動機的讀取和⑶的讀取相 Γ移2高密度的特性，其焦點深度較淺，只要有微小的 向加速i脫離焦點’因此必須特別地注意驅動機的垂直方 = DVD_R〇M驅動機的設計及檢查而言，關1270879 V. INSTRUCTIONS (2) The field of the drive machine is positively developed, and in the case of the CD__ drive, relative to the standard: 2 speed, it is equivalent to 24 to 4. The speed of the double a be taken - Bellow, and the data is read in terms of the speed of the DVD-r〇m. It is also equivalent to 8 to 16 times. Take:, will produce the problem that did not occur at the standard speed; acceleration (that is, the radial direction of the data pit is sharply oriented (surface vibration) ... (ie, the vertical direction of the urgent material nDVD) due to the phase Compared with the thickness of cd 12, the thickness of the shape = 枓 can be as thin as 〇.6 咖, so it is easy to cause warpage and surface vibration ^ ϋ ' 制作 制作 制作 制作 制作 制作 制作 制作 制作 制作 制作 制作 制作 制作 制作 制作 制作 制作 制作 制作 制作 制作 制作 制作 制作 制作 制作 制作It is bonded to c"d for the thickness of f1·2, so the shape of the surface vibration is compared with: , , , , and $' and there is a tendency for the vertical acceleration to increase. As described above, the DVD disc is not only It is easier to produce vertical acceleration, and the reading of the DVD-R〇M driver and the reading of the (3) phase shift 2 high-density characteristics, the depth of focus is shallow, as long as there is a slight acceleration to the focus i off the focus Special attention must be paid to the vertical side of the drive = the design and inspection of the DVD_R〇M drive,
加連唐，rti认〜® 土且々W 規、、 V疋里之檢查用磁片尚未一般商品化，目前的 以供出售的光-碟片找出垂直方向加速度較大的磁片， 以供檢查之用。 ^ 在日本特開平1 0-23 304 0號公報中，已揭示一種檢查Jialiantang, rti recognized ~® soil and 々W gauge, V 疋 之 inspection magnetic sheet has not been generally commercialized, the current optical disc for sale to find the magnetic sheet with large vertical acceleration, For inspection purposes. ^ In Japanese Laid-Open Patent Publication No. 0-23304 0, an inspection has been disclosed.
12708791270879
五、發明說明（3) 用標準光碟片及其 碟片原模及模具， 盤的背面，以預定 凸部或凹部。 又在曰本特開 月面形成有凹部的 的試測用光碟記錄 然而，此等公 製作光碟片的碟片 複製光碟片，但是 片原模’此過程並 量多樣，或具有多 課題。 發明概要 為解決上述問 及其製造方法，在 谷易且可以低成本 變此後段加工的圖 為了達成上述 由成形後光碟片中 侧，為了因應照射 讀取面側的反射面 又，該光碟片 又，依本發明 製造方法，係於一光碟片製程中，使用 該碟片原模具有從作為原盤的主盤或母 的壓力施壓於前端削尖的構件所形S成的 平200 0-3 2278 2號公報中，揭示使用& 碟片原模及模具’並以射出成形法製造 媒體及其製造方法。 ° 報所揭示的技術内容’均因為需對用來 原模加工，雖然能大量地製造同一型之 對每一不同型的光碟片需要重新製作碟 不容易且會提高成本，因此難以製作少: 樣性變化的檢查用光碟片，此為其技術 題’本發明的目的為提供檢查用光碟 成形後對光碟片進行後段加工，藉以能 的方式因應少量多樣的製造，並藉由5 案’使光碟片具有更多樣的變化。 的目的，依本發明的檢查用光碟片，係 在形成於資料讀取面的背面之印刷面 加工用雷射而造成之變形，在此一資 形成凸部來成形的。 ^ 係DVD光碟片。 的檢查用光碟片之製造方法，包含該光 ΦV. INSTRUCTIONS (3) The standard optical disc and its disc master and mold, the back of the disc, are used to define a convex portion or a concave portion. In addition, a disc for recording test with a concave portion is formed on the surface of the moon. However, the discs of the optical discs are reproduced, but the process of the original mold is various, or has many problems. SUMMARY OF THE INVENTION In order to solve the above problems and the manufacturing method thereof, in order to achieve the above-mentioned side of the optical disk after forming, in order to achieve the above-mentioned reflection surface of the reading surface side, the optical disk Moreover, according to the manufacturing method of the present invention, in the process of an optical disc, the original mold of the disc is formed by pressing the pressure of the main disc or the mother as the original disc to form a flat portion of the sharpened member. Japanese Patent Publication No. 2,278,278 discloses the use of & disc master and mold' to produce a medium by injection molding and a method of manufacturing the same. ° The technical content disclosed in the report is used for the original mold processing. Although it is not easy to reproduce the disc for each different type of optical disc, it is difficult to manufacture and the cost is increased. The optical disc for inspection of the change of the sample is the technical problem of the present invention. The purpose of the present invention is to provide a post-processing of the optical disc after the forming of the optical disc for inspection, by means of a small amount of manufacturing, and by the 5 case There are more variations in the disc. The object of the present invention is that the optical disc for inspection according to the present invention is deformed by laser processing on the printing surface formed on the back surface of the data reading surface, and is formed by forming a convex portion. ^ is a DVD disc. The manufacturing method of the optical disc for inspection includes the light Φ
1270879 五、發明說明（4) 碟片士成形後之後段加工之步驟，gp由形成於該光的 料讀取面之背面印刷面照射加工用雷射使此一光碟蠻、 形，並藉由此一步驟於資料讀取面的反射面形成凸'。 又，應用該製造方法之光碟片係DVD光碟片。 發明之實施型態 以下將參照圖式詳細說明本發明的實施形態。 •圖1為顯示依本發明的一實施型態的檢查用光碟片及 其製造方法之示意圖，圖2為顯示加工前與加工後的剖面 (放大圖）、面振動位移、聚焦誤差的波形之圖表。 在本實施型態中，應用本發明之DVD光碟片1，如圖2 (a )所示，係將形成有訊號之2片pc (聚碳酸脂）基板 1 a、1 b，以UV樹脂（紫外線硬化樹脂）或兩面性接合光學 膠帶等所形成的中間接合層2貼合而成形的。各基板la、 lb的厚度為約〇·6 mm，中間接合層2之厚度為6〇髀程度， 因此整體厚度為約1 · 2 mm。 圖2 ( a )中’在基板1 b與中間接合層2之間形成反射 面3 ’作為由軌道上的資料坑記錄資料的記錄面，而此一 基板lb之底面側即是資料讀取面4。又如圖1所示，在基板 1 a之頂面侧（即是資料讀取面4的背面側），除了光碟片 中心孔1 c的周圍外，形成印刷記錄於該DVD光碟片1之記錄 内容的標題之印刷面5。此一成形後的DVD光碟片1中，記 錄了檢查用的資料作為記錄資訊。 在本實施型態中，如圖1所示，於上述DVD光碟片1之 印刷面5側’使用雷射照射機6以對其照射c〇2雷射（雷射1270879 V. INSTRUCTIONS (4) The step of processing the disc after the forming of the disc, the gp is irradiated with the processing laser by the back printing surface formed on the reading surface of the light to make the disc quite and shape, and by This step forms a convex ' on the reflective surface of the data reading surface. Further, the optical disc using the manufacturing method is a DVD disc. BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. 1 is a schematic view showing an inspection optical disc according to an embodiment of the present invention and a manufacturing method thereof, and FIG. 2 is a waveform showing a cross section (enlarged view), a surface vibration displacement, and a focus error before and after processing. chart. In the present embodiment, the DVD disc 1 of the present invention is applied, as shown in Fig. 2(a), two pc (polycarbonate) substrates 1a, 1b, to which a signal is formed, are made of UV resin ( The intermediate bonding layer 2 formed by the ultraviolet curable resin or the double-sided bonding optical tape or the like is bonded and formed. The thickness of each of the substrates la, lb is about 〇·6 mm, and the thickness of the intermediate bonding layer 2 is about 6 ,, so the overall thickness is about 1 · 2 mm. In Fig. 2 (a), a reflecting surface 3' is formed between the substrate 1b and the intermediate bonding layer 2 as a recording surface on which data is recorded by a data pit on the track, and the bottom side of the substrate lb is a data reading surface. 4. Further, as shown in Fig. 1, on the top surface side of the substrate 1a (i.e., the back side of the material reading surface 4), a record recorded on the DVD disc 1 is formed except for the periphery of the center hole 1c of the optical disk. The printed side of the title of the content 5. In the formed DVD disc 1, the inspection data is recorded as the recording information. In the present embodiment, as shown in Fig. 1, a laser irradiator 6 is used on the side of the printing surface 5 of the above-mentioned DVD optical disk 1 to irradiate a c〇2 laser (laser)
第8頁 1270879Page 8 1270879
五、發明說明（5) ___ mm為加/用雷射，藉以在該卿光碟片1的印刷面 夕 王圖案之溝槽（在此是朝半徑方向延伸^L t _ 大=槽）。藉此，'如圖2(b)所示，藉由力m線 3?二刷二5侧，或熱等達於反射面3側，而在：射面 上先成對應於前述溝槽7的凸部8。 射或準除分了子使^射夕卜庙利用減石權石（^)雷 實施。子田射4其他加工用雷射，只要調整其功率亦可 一m上述技術，係本案發明人鑑於在使用雷射打印哭押蚌 ’又VD光碟片的印刷面時’若加強雷射的功率，則°。:「 ^打印會對反射面造成不良影響的問題， ，應用在檢查用光碟“，經過多次嘗試錯誤 如上述，藉由加工用雷射在反射面3形成凸部8之方 =，例如相對於圖2 (c)所示的較和缓的加工前面振 〜：在雷射照射部分產生如圖2⑷所示的急劇的位移 /2 (e)顯示加工前的聚焦誤差之波形，而圖 =不上述加工後的聚焦誤差之波形。此一 ） =吏用用以此種光碟裝置的4分割光監測器 ^珂的聚焦誤差波形中包含某程度的加速度 因為電路的噪音等所造成的，因此， 係 服對此稀▲立#八供G由 -又疋頻▼以免聚焦伺 中，Ϊ 應。又’加工後的聚焦誤差波形 目，於上述的雷射照射部分之凸部8產生了上下振動V. Description of the invention (5) ___ mm is the addition/use of laser, whereby the groove of the king pattern (here, extending in the radial direction ^L t _ large = groove) is printed on the printing surface of the optical disc 1 . Thereby, as shown in FIG. 2(b), by the force m line 3? two brush two 5 sides, or the heat is equal to the side of the reflecting surface 3, and on the: the surface first corresponds to the aforementioned groove 7 The convex portion 8. Shooting or quasi-division of the child makes the ^ 夕 卜 庙 temple use the stone reduction stone (^) Lei implementation. Zida shot 4 other processing lasers, as long as the power can be adjusted by one m of the above technology, the inventor of this case in view of the use of laser printing crying 蚌 'and VD disc printing surface 'if the laser power is enhanced , then °. : "The problem that the printing will adversely affect the reflecting surface, applied to the inspection optical disc", after many trial errors as described above, the convex portion 8 is formed on the reflecting surface 3 by the processing laser =, for example, relative The more gentle machining front vibration shown in Fig. 2(c): produces a sharp displacement as shown in Fig. 2 (4) in the laser irradiation portion / (e) shows the waveform of the focus error before machining, and the figure = no The waveform of the focus error after the above processing. This one) = The focus error waveform of the 4-split optical monitor used in the optical disc device contains a certain degree of acceleration due to the noise of the circuit, etc., therefore, it is necessary to wear it. For G by - and 疋 frequency ▼ to avoid focusing, Ϊ should. Further, the focus error waveform after processing has an upper and lower vibration in the convex portion 8 of the above-described laser irradiation portion.
第9頁 1270879 五、發明說明（6) 較大的聚焦誤差，此呈現聚焦伺服欲跟隨圖2 ( d )所示的 急劇面振動位移8a卻跟隨不到，且因此也無法立即回覆原 狀的狀態。 ’、 貫際上’以分段式使雷射照射機6所照射的加工用雷 射之功率水準改變，藉以製作其雷射照射部分的面振動位 移8a的大小不同，且具有複數個變化之檢查用光碟片，並 用於如DVD-ROM (驅動）般的聚焦伺服跟隨性之設計或檢 查。 依本實施型態，在上述的情況之下，因使用加工用雷 _ 射對成形後之DVD光碟片i進行後段加工，所以容易地以低 成本方式來因應。 、又，在上述部分揭示形成沿著DVD光碟片1的半徑方向 以直線狀延伸之一條溝槽7的圖案，藉由控制雷射照射機 案，。谷易地以低成本的方式因應圖3中舉例顯示的各種圖 成吉)係如上述般’形成沿DVD光碟片1之半徑方向 iC一條溝槽7，藉由調整所要照射的加工用 可調整溝槽7之深度或寬度。其變形例， 成鱼二道钭6:不般’纟此—溝槽由半徑方向偏開，而形 又一軌道斜向交叉之溝槽。 近接：3成’沿_光碟片1的約略半徑方向，彼此 (d ) ^ ^成直線狀延伸的溝槽几至7(1，此對於如圖2 跟隨性二二劇二位移8a連續發生的情況下之聚焦伺服的 …檢查有幫助。再者，亦可使此3條溝槽7b至Page 9 1270879 V. Description of invention (6) Large focus error, this presentation focus servo is to follow the sharp surface vibration displacement 8a shown in Fig. 2(d) but does not follow, and therefore cannot immediately return to the original state. . ', continually' changes the power level of the processing laser irradiated by the laser irradiator 6 in a segmental manner, whereby the surface vibration displacement 8a of the laser irradiated portion is made different in size, and has a plurality of variations Check the disc and use it for design or inspection of the focus servo follower like DVD-ROM (drive). According to this embodiment, in the above case, since the formed DVD disc i is subjected to post-processing using the processing laser, it is easy to respond in a low cost manner. Further, in the above section, a pattern in which a groove 7 is linearly extended along the radial direction of the DVD disc 1 is formed by controlling the laser irradiation scheme. In a low-cost manner, Gu Yi has formed a groove 7 along the radial direction iC of the DVD disc 1 in accordance with the various diagrams shown in FIG. 3 as described above, by adjusting the adjustable groove for processing to be irradiated. The depth or width of the slot 7. In its variant, the adult fish is not the same as the groove. The groove is offset from the radial direction, and the other track is obliquely intersecting. Proximity: 30% of the groove along the approximate radius of the disc 1 , and the grooves extending linearly from each other (d ) ^ ^ to 7 (1, which occurs continuously for the displacement of 8a as shown in Fig. 2 In the case of the focus servo... check is helpful. Furthermore, the three grooves 7b can also be
1270879 五、發明說明（7) '一~" --- W分別具有不同的深度或寬度。又’作為其變形例，亦可 如圖3 (d)所示般，隔著間隔形成朝半徑方向延伸的直線 狀之3條溝槽7e至7g。 圖3 ( e )顯不，在光碟片上形成圓形之凹部7h，使 經過此一凹部7h的每複數條軌道產生不同寬度的位移。此 一圓形的凹部7h之大小，可藉由使所欲照射的加工用雷射 之焦點偏移等而調整之。作為其變形例，如圖3 ( f )所示 般，形成複數個不同大小的凹部71至几亦屬有效。 圖4為具體呈現依本發明的檢查用光碟片的製造方法 之流程圖。1270879 V. Description of invention (7) 'One~" --- W have different depths or widths, respectively. Further, as a modification, as shown in Fig. 3 (d), three straight grooves 7e to 7g extending in the radial direction may be formed at intervals. Fig. 3(e) shows that a circular recess 7h is formed in the optical disk, so that each of the plurality of tracks passing through the concave portion 7h produces displacements of different widths. The size of the circular recess 7h can be adjusted by shifting the focus of the processing laser to be irradiated or the like. As a modification thereof, as shown in Fig. 3 (f), it is also effective to form a plurality of concave portions 71 of different sizes. Fig. 4 is a flow chart specifically showing a method of manufacturing an optical disk for inspection according to the present invention.
首 (步驟 檢查此 碟片原 的位移 所造成 時，即 (步驟 安裝新 若 光碟片 設定如 (步驟 昭 SFirst (steps to check the original displacement of the disc, ie (step to install a new disc set as in step (step S
先’安裝兄錄有檢查用資料的成形後之對象光碟少 } ’測定其垂直方向（面振動）的加速度，以 一光碟片是否能用以檢查（步驟1〇2 )。當此一光 本已經具有相當於即將施以照射加工用雷射所形i 或更大的位移時，則由於無法與加工用雷射之照身 移加以區隔，故當所測定的加速度大於預定^ <定此光碟片為無法使用，將其定為不合格光碟少First, the installation of the colleague with the inspection data is less than the formed disc. } 'Measure the acceleration in the vertical direction (surface vibration) to see if a disc can be used for inspection (step 1〇2). When the light source already has a displacement corresponding to the shape of i or more to be applied to the laser for irradiation processing, since the movement of the processing laser cannot be separated, the measured acceleration is greater than Schedule ^ < Make this disc unusable, set it as unqualified disc
103之步驟104 )。此時，回到前述步驟101處： 的對象光碟片，並重複上述之動作。 所2疋的加速度為小於預定值，即可用作為檢查月 ，因此_，將雷射照射機6之功率設定為預定值，並 囷斤示的由射照射圖案及位置，施行雷昭 之h步驟105—步驟106 —步驟107『射…射 射雷射結束後，為確認有無正確地形成，而檢查戶)Step 104 of 103). At this time, the object disc is returned to the above-mentioned step 101: and the above-described operation is repeated. If the acceleration of 2 疋 is less than the predetermined value, it can be used as the inspection month. Therefore, _, the power of the laser illuminator 6 is set to a predetermined value, and the illuminating pattern and position of the illuminating light are applied to perform the step 105 of Lei Zhaozhi. - Step 106 - Step 107 "After the end of the projecting laser, in order to confirm the correct formation, and check the household"
1270879 五、發明說明（8) 形成的圖案及位置（步驟1〇8)。力 及位置，因已經加以變形，所以右有正確地形成圖案 7時，相對於該步驟1()6之設定格先碟片的 (步驟1〇9之N—步驟110_步驟進 案士及位严的调整 及位置之後，才回到該步驟1〇 a)。此日守，先調整圖案 重複上述之動作。 〃 文裝新的對象光碟片並 若上述的圖案及位置p 湓 之加速度（步㈣9之丫乂二'成，”定其垂直方向 垂直方向加速度為在預定^圍。此吩，若所測定的 ^作马檢查用先碟片的所望之製品， 惠馒 内，由於已經加以變形，因此：=度：在預定範圍 ^ U此將其定為不合格碟Η沾 日守’相對於該步驟105的設定值做功率之㈣° N-步驟113一步驟1〇5)。此時亦於 乂 ' 2之 該步驟UM，安裝新的對象光碟片並重複上述之^作回到 DVD //η述的/施型態中’雖係針對於將本發明應用於 =碟片之情況加以描述’但是對CD而言，亦可藉由 圖5所不的構造及方法製作垂直方向加速度的檢查用 片。在此，與前述實施型態中相同的符號表示 11270879 V. INSTRUCTIONS (8) Patterns and locations formed (steps 1〇8). The force and position have been deformed, so when the pattern 7 is correctly formed on the right side, the disc is set relative to the setting of the step 1 () 6 (steps 1 to 9 N - step 110_ steps into the case and After the strict adjustment and position, return to step 1〇a). This day, first adjust the pattern and repeat the above action. 〃 The new object disc is loaded with the above-mentioned pattern and the acceleration of the position p ( (step (4) 9 丫乂 2'," the vertical direction of the vertical direction acceleration is at the predetermined circumference. This is determined. ^The horse is used to check the desired product of the first disc. In the Huiyi, since it has been deformed, it is: = degree: in the predetermined range ^ U, this is defined as the unqualified disc Η 日 守 ' relative to the step 105 The set value is the power (4) ° N - step 113 - step 1 〇 5). At this time, in the step UM of 乂 ' 2, a new object disc is installed and the above is repeated to return to the DVD // η In the case of the "application type", it is described that the present invention is applied to the case of the disc. However, for the CD, the inspection sheet for the vertical acceleration can also be produced by the structure and method of FIG. Here, the same reference numerals as in the foregoing embodiment 1
的部分。 A不目Spart. A does not see S
亦即，如圖5所示，CD10係在透明的光碟基板丨丨上之 形成有資料坑的反射面12上，包覆厚度為1〇#m·度之保 護膜13而成的，在此一CD10之印刷面14側，藉由貼*合厚产 為〇· 1至〇. 5 mm程度的薄片或塗布樹脂膜，以形成緩衝| XThat is, as shown in FIG. 5, the CD 10 is formed by coating a protective film 13 having a thickness of 1 〇#m·degree on a reflective surface 12 on which a data pit is formed on a transparent optical disk substrate. On the side of the printing surface 14 of a CD 10, a sheet of a thickness of 〇·1 to 〇. 5 mm or a resin film is applied to form a cushion|X
12708791270879
工用雷射。如上述，因C D1 0之印刷 度是薄至10#m之程度，若不進行 雷射會將形成有資料坑之反射面1 2 1 5，並於其頂面照射加 面1 4側的保護膜1 3之厚 上述的步驟’則加工用 燒斷。 發明的效果 進行後段加工::作二：工用雷射對成形後的光碟片 低成本的方式因片：因此能容易地以 案（包含水準）製成且揭：糟由改變加工的圖 又，依太恭M 了衣成八有夕樣變化之光碟片。Work laser. As described above, since the printing degree of C D1 0 is as thin as 10 #m, if the laser is not irradiated, the reflecting surface 1 2 1 5 of the data pit is formed, and the top surface thereof is irradiated on the side of the adding surface 14 The thickness of the protective film 13 is as described above, and the processing is blown. The effect of the invention is carried out in the latter stage of processing:: two: the laser of the working type is a low-cost method for the formed optical disc: therefore, it can be easily made in the case (including the level) and revealed: According to Tai Gongmin M, there is a light disc with a change of appearance.
直方向加速度碟片及其製造方法，對於垂I 有曰大傾向的DVD光碟片特別具有效果。 1270879 圖式簡單說明 圖1為顯示依本發明之一實施型態的檢查用光碟片及 其製造方法的示意圖。 圖2為顯示在上述實施型態中，加工前與加工後之剖 面（放大圖）、面振動位移、聚焦誤差波形的圖表。 圖3為顯示由加工用雷射形成的溝槽及凹部的各種圖 案之示意圖。 圖4為具體顯示上述實施型態中的檢查用光碟片的製 造方法之流程圖。 _ 圖5為顯示將本發明應用於CD的情況之構造及方法的 局部剖面圖。 符號說明 1 DVD光碟片 1 a，1 b P C (聚碳酸脂）基板 1c 光碟片中心孔 2 中間接合層 3 反射面 4 資料讀取面 5 印刷面（DVD光碟片1 ) 6 雷射照射機 7，7a〜7g 溝槽 7 h〜7 k 凹部 8 凸部 . 8a 急劇的面振動位移 10 CD光碟片The straight-direction accelerometer disc and the manufacturing method thereof are particularly effective for a DVD disc having a tendency to have a large tendency. 1270879 BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic view showing an optical disc for inspection according to an embodiment of the present invention and a method of manufacturing the same. Fig. 2 is a graph showing a cross section (enlarged view), a surface vibration displacement, and a focus error waveform before and after processing in the above embodiment. Fig. 3 is a schematic view showing various patterns of grooves and recesses formed by processing lasers. Fig. 4 is a flow chart specifically showing a method of manufacturing the inspection optical disk in the above embodiment. Fig. 5 is a partial cross-sectional view showing the construction and method of the case where the present invention is applied to a CD. DESCRIPTION OF SYMBOLS 1 DVD disc 1 a, 1 b PC (polycarbonate) substrate 1c Optical disc center hole 2 Intermediate bonding layer 3 Reflecting surface 4 Data reading surface 5 Printing surface (DVD disc 1) 6 Laser irradiation machine 7 , 7a~7g groove 7 h~7 k recess 8 convex part. 8a sharp surface vibration displacement 10 CD disc
第14頁 1270879Page 14 1270879
第15頁Page 15
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001178437A JP3674545B2 (en) | 2001-06-13 | 2001-06-13 | Optical disk for inspection and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TWI270879B true TWI270879B (en) | 2007-01-11 |
Family
ID=19019138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW091111606A TWI270879B (en) | 2001-06-13 | 2002-05-29 | Inspection optical disk and manufacturing method thereof |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3674545B2 (en) |
| KR (1) | KR100462285B1 (en) |
| TW (1) | TWI270879B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5526341A (en) * | 1993-07-30 | 1996-06-11 | Teac Corporation | Test disk having defect patterns uniformly distributed in recording areas |
| KR100188686B1 (en) * | 1996-04-06 | 1999-06-01 | 윤종용 | Testing disc for compact disc |
| KR100285315B1 (en) * | 1997-09-24 | 2001-04-02 | 구자홍 | Method and device for inspecting quality of optical disc |
| JPH11312341A (en) * | 1998-04-28 | 1999-11-09 | Teac Corp | Disk for inspection |
| JP2000322782A (en) * | 1999-05-12 | 2000-11-24 | Almedio Inc | Optical disk recording medium for testing and its manufacture |
| JP2001084650A (en) * | 1999-09-10 | 2001-03-30 | Matsushita Electric Ind Co Ltd | Disk for examination |
-
2001
- 2001-06-13 JP JP2001178437A patent/JP3674545B2/en not_active Expired - Fee Related
-
2002
- 2002-05-03 KR KR10-2002-0024414A patent/KR100462285B1/en not_active IP Right Cessation
- 2002-05-29 TW TW091111606A patent/TWI270879B/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JP2002367238A (en) | 2002-12-20 |
| JP3674545B2 (en) | 2005-07-20 |
| KR20020095060A (en) | 2002-12-20 |
| KR100462285B1 (en) | 2004-12-17 |
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