TW469177B - Method of manufacturing optic information recording media - Google Patents

Method of manufacturing optic information recording media Download PDF

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Publication number
TW469177B
TW469177B TW88119612A TW88119612A TW469177B TW 469177 B TW469177 B TW 469177B TW 88119612 A TW88119612 A TW 88119612A TW 88119612 A TW88119612 A TW 88119612A TW 469177 B TW469177 B TW 469177B
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Taiwan
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dye
scope
patent application
item
substrate
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TW88119612A
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Chinese (zh)
Inventor
Guang-Fu Yan
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Gigastorage Corp
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  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Manufacturing Optical Record Carriers (AREA)

Abstract

This invention provides the method of manufacturing optic information recording media, which includes steps of coating a dye solution onto a given substrate and drying the dye solution to form a recording layer. The dye solution is prepared by dissolving a specific dye into 4-hydroxyl-4-methyl-2-pentone used as a solvent.

Description

d6 91 77 A7 ----B7 五、發明説明(丨) ' 本發明係有關於-種製備光學盤式之資料記錄媒體的 方法’其中該資料記錄媒體係包括一基板與一記錄層。本 發明之方法係包括將一染料溶液塗佈於基板上,並乾燥所 形成之塗層的步驟,其中該染料溶液係以4羥基,‘甲基-2·戊酮為溶劑,而將染料溶於其中所形成者。 土 經濟部智.¾財產局員工消費合作社印製 ί I -- - ί ^^1 n 士R^^1 n — = - - - I 0¾ T° (請先閲讀背面之ii意事項再填寫本頁) 美國專利第4,832,992號案揭示了 _種製備記錄媒體之 方法,於該方法中,使用含氟之化合物(如說化醇、經氣 取代之酮、經氟取代之醋、經氟取代之苯、經氟取代之醜 胺、經氟取代之鍵以及經敗取代之紐等)做為形成染料 溶液之溶劑。惟含氟化合物之使用會破壞大氣層中之臭氧 層,乃為眾所周知之事實,故基於環保之觀點,實不宜再 使用該等化合物於光記錄媒體(如光碟片)之製造中,特 別係光記錄媒體之需求量日益增加,若於其之製造上仍持 續使用該等含氟化合物,將對地球之整體環境造成不可抹 滅之傷害。其次,一般含氟化合物之毒性甚劇,製造光記 錄媒體之人員長期與其接觸,對其健康之影響頗大。除此 f外,有鑑於含氟化合物之極性較高,僅適合做為極性較 ^之染料(如花青染料)的溶劑’而不適合絲溶解極性 較低之染料(如酞青染料),故含氟化合物用於製造光記 錄媒體之用途上,亦有所限制。 有鑑於斯,本案發明人乃經多年之苦心思索,精益求 精,終而研究出本發明一種製備資料記錄媒體之方法f 緣是,本發明之主要目的係在於提供—種製 錄媒體之方法,其中所使用形成染料溶液之溶劑係不會對 ----^!ia· 4 6 917 7 A7 B7 五、發明説明(2 ) 大氣層之臭氧層造成危害者。 本發明之另-目的係在㈣供—種製财料記 =:=成染料溶液之溶劑係不具對人體健 本發明之再一目的係在於提供―種製備資 其中所使用形成染料溶液之溶劑可適 (極性不同)之染料者。 夕搜類 為達上述目的,本發明製倩資料記錄媒體之方法伟包 括將一染料溶液塗佈於基板上,並乾燥該塗層,而形成— 記錄層的步驟,其中該染料溶液係以4_羥基_4曱基戊 _為溶劑,而將染料溶於其中所形成者。 經濟部智慧財產局R工消費合作杜印製 可使用於本發明中之基板材料可選自於任何已用於傳 統光記錄媒體中的基板材料。以光學特性、光滑度、可工 作性、操作性、長期安定性與製造成本之觀點而言,較佳 之基板材料包括:丙烯酸樹脂(如隔槽式鑄塑之聚曱基甲 基丙烯酸酯與射出成型之聚曱基f基丙烯酸酯)' 氣乙稀 樹脂(如聚氣乙烯與氣乙烯共聚物)、環氧樹脂、聚碳酸 醋樹脂、無定形聚烯烴類、聚酯類、玻璃與陶瓷。 塗 變 乙 於欲塗佈記錄層之基板表面上’係可先塗佈一底 層’以改良光滑度與對記錄層之黏附性’並避免記錄層又 性。可為底塗層之材料者包括:聚合物材料(如聚曱基甲 基丙烯酸酯、丙烯酸/子基丙烯酸共聚物、苯乙烯/順式丁 稀一酸酐共聚物、聚乙締醇、N-甲醇丙浠醯胺、苯乙稀/ 續酸共聚物、苯乙烯/乙烯基甲苯共聚物、氣磺化聚 -4- (紙張尺度制巾家轉(⑽)Μ規格(2數撕公楚 4 6 917 7 A7 ---------------B7__ 五、發明説明(3 ) ' ~'— 烯、硝基纖維素、聚氣乙烯、氣化聚烯烴、聚酯 '聚亞 胺、乙酸乙烯酯/氣乙烯共聚物、聚乙烯、聚丙烯與聚碳 --------ά—— (請先聞讀背面之注意事項再填寫本頁) 酸酯)、有機材料(如矽烷偶合劑)、以及無機材料(如 無機氧化物(如Si〇2、Al2〇3 )與無機氟化物(如 MgF2))。 於使用玻璃之基板時,使用由具有親水性基團及/或順 式丁烯二酸酐基團(如笨乙烯/順式丁烯二酸酐共聚物) 之共聚物所製得之底塗層為較佳者,其可避免由基板釋出 之驗金屬離子與驗土金屬離子對記錄層所造成之不利影 響。 底塗層之形成可以下法為之:將上述之材料溶解或分 散於適當之溶劑中,並以已知之塗佈方法(如旋轉塗佈、 浸入塗佈或擠出塗佈等)將所形成之溶液或分散液塗佈於 基板上。底塗層之厚度一般為於0005至2〇μιη之範圍 内’較佳者係於0.01至ΙΟμχη之範圍内。 經濟部智慧財產局員工消費合作社印製 於基板上(或於底塗層上)亦可塗佈一層前溝槽層, 以形成一循執溝槽,或供指示資訊(如位址訊號)之凸出 或凹下部份。可做為前溝槽層之材料為選自於丙烯酸之單 酯、二酯、三酯和四酯中之至少一種單體(或低聚物)與 光聚合啟動劑之混合物。 上述之前溝槽層可以下法形成於基板(或底塗層) 上:將丙烯酸酯與光聚合啟動劑之溶液塗佈於經精確製造 之模子上’並將基板置於溶液之塗層上,然後以紫外線經 模子或基板熟化塗層,以將基板固附於塗佈之液態組合物 本紙張尺度適用中國國家橾準(CNS ) Α4規格(210X297公釐) 46 9·: A7 _—___B7 ——-- - 五、發明説明(4 ) ' 上,再將基板自模子上移開,如是,於該基板上即具有一 前溝槽層。該前溝槽層之厚度一般係於〇 〇5至ι〇〇μη1之 範圍内,較佳係於0.1至5〇μιη之範圍内。當使用塑性基 板時’係可以射出成型或擠出成型之方式將前溝槽層直接 形成於基板上。 記錄層實質上僅包含染料,或為包含黏合劑,而將染 料分散於其中者。可適用於本發明之黏合劑包括:天然有 機聚合物材料(如明膠、纖維素衍生物、葡聚糖、松香與 橡膠)、以及合成有機聚合物材料(烴樹脂(如聚乙烯、 聚丙烯、聚苯乙烯與聚異丁烯)、乙烯基樹脂(如聚氯乙 烯、聚偏二氣乙烯與氣乙烯/乙酸乙烯酯共聚物)、丙烯 酸樹脂(如聚甲基丙烯酸酯與聚甲基甲基丙烯酸酯、 以及熱因性樹脂之預縮合產物(如聚乙稀醇、氣化乙烯、 環氧樹脂、丁縮醛樹脂、橡膠衍生物與酚醛樹脂)。 可供使用於本發明中之染料包括:花青染料、酞青染 料、pyrylium 染料、硫代 pyryHum 染料、azulenium 染 料、squadllium染料、金屬(如Ni或Cr)錯合染料、萘 醌染料、蒽醌染料、吲哚酚染料、吲哚苯胺染料、三苯基 甲烧染料、二烯丙基甲烧染料、aminium染料、diim〇nium 染料、以及亞确基化合物。 於上述之染料中,對波長於近紅外線區域(如7〇〇至 900 ηπ〇的光具有高吸收度者為佳,此乃由於實際使用 時,供記錄或再生資訊之雷射器係提供近紅外線之射線。 倘使用黏合劑形成記錄層時,染料對黏合劑之比例一 -6· 本紙張尺度i用中國國家標準(CNS ) Λ4規格(-------- (請先閱讀背面之注意事項再填寫本頁) -裝- 訂 經濟部智慧財產局員工β費合作社印製 4 6 9 ! 7 7 A7 ---------------B7 五、發明説明(5 ) 般為0·01至99重量%,較佳為l.o至95重量%。4_經基_ 4~曱基-2-戊酮亦可與其他適用於製造資料記錄媒體之溶劑 (以不含氟者為佳)併用,供染料溶液之製備。上述溶劑 及/或黏合劑之使用量,係使得所形成染料溶液中之染料 濃度為0.01至10重量%,較佳為0.1至5重量%。 記錄層之塗佈可以傳統方法為之,如噴塗、旋轉塗 佈、浸塗、輥塗、刮板塗佈、塗佈輥塗佈、以及網塗等。 上述之記錄層可為單層或多數層之形式,且其厚度一 般為0·01至10 μηι,較佳者為0.02至1 μπι。此外,記錄 層可形成於基板之一側或兩側。 於記錄層上可再形成一反射層,以增加資訊再生階段 之S/N比率,或改良讀寫時之敏感度。 經濟部智慧財產局S工消費合作社印" ^^^1- lit Γ^ιϋ 1·J (請先閱讀背面之注意事項再填寫本頁) 上述之反射層實質上係由光反射材料所組成,該光反 射材料須對雷射光束具有高度之反射性,可為該種材料者 包括:Mg、Se、Υ、Ti、Zr、Hf、V、Nb、Ta ' Cr、Mo、 w、Mn、Be、Fe、Co、Ni、Ru、Rh、Pd、Ir、Pt、Cu、 Ag、An、Zn、Cd、A1、Ga、In、Si、Ge、Te、Pb、Po、 Sn及Bi ’較佳者為ai、cr、Ni與Ag。該些材料可單獨 使用’或結合使用之,其之合金亦適用於本發明。 反射層可以習知之方法(如澱積、濺鍍或離子鍍)形 成於記錄層上,其之厚度一般為100至5,000埃。 反射層亦可形成於基板與記錄層間,於此種情形,資 料之記錄與再生係於記錄層側進行,亦即係於基板側之反 側進行。 -_ -7- 本紙張尺度適财a國家縣(CNS) A4^ G χ 297公羡) 6 9177 A7 ___________B7 五、發明説明(6 ) 於記錄層(或反射層)上,可進一步形成一保護層, 以對記錄層進行物理或化學之保護。該保護層亦可形成於 基板不具記錄層之表面上,以增加損壞與濕氣之抗性。可 為保護層之材料包括無機材料(如SiO、Si02、MgF2與d6 91 77 A7 ---- B7 V. Description of the invention (丨) The present invention relates to a method for preparing an optical disc-type data recording medium ', wherein the data recording medium includes a substrate and a recording layer. The method of the present invention comprises the steps of applying a dye solution on a substrate and drying the formed coating layer, wherein the dye solution is based on 4 hydroxy, 'methyl-2 · pentanone as a solvent, and the dye is dissolved. Formed in it. Printed by the Ministry of Land and Economics. ¾ Printed by the Consumer Cooperative of the Property Bureau ί I--^^ 1 n 士 R ^^ 1 n — =---I 0¾ T ° (Please read the Italian notice on the back before filling in this (Page) U.S. Patent No. 4,832,992 discloses a method for preparing a recording medium, in which a fluorine-containing compound (such as a chemical alcohol, a gas-substituted ketone, a fluorine-substituted vinegar, a fluorine-substituted Benzene, fluorine-substituted uglylamine, fluorine-substituted bonds, and failed substitutions, etc.) are used as solvents to form the dye solution. However, it is a well-known fact that the use of fluorine-containing compounds will damage the ozone layer in the atmosphere. Therefore, based on environmental protection, it is not appropriate to use these compounds in the manufacture of optical recording media (such as optical discs), especially optical recording media. The demand is increasing day by day. If they continue to use these fluorine-containing compounds in their manufacturing, it will cause indelible harm to the overall environment of the planet. Secondly, fluorochemicals are generally very toxic, and people who make optical recording media have long-term contact with them, which has a considerable impact on their health. In addition to this, in view of the higher polarity of fluorinated compounds, it is only suitable as a solvent for dyes with a higher polarity (such as cyanine dyes) and not for dyes with a lower solubility in silk (such as phthalocyanine dyes). The use of fluorine compounds for the manufacture of optical recording media is also limited. In view of this, the inventor of this case, after years of hard thinking and continuous improvement, has finally developed a method for preparing data recording media of the present invention. The reason is that the main purpose of the present invention is to provide a method for making recording media, of which The solvent used to form the dye solution will not cause any harm to ----! Ia · 4 6 917 7 A7 B7 V. Description of the invention (2) The ozone layer in the atmosphere is harmful. The other purpose of the present invention is to provide a kind of solvent for the preparation of materials. The solvent of the dye solution is not healthy for the human body. Another object of the present invention is to provide a solvent for the preparation of dye solutions. Applicable (different polarity) dyes. In order to achieve the above-mentioned purpose, the method for preparing a data recording medium according to the present invention includes a step of coating a dye solution on a substrate and drying the coating to form a recording layer, wherein the dye solution is _Hydroxy_4 fluorenylpentane is a solvent, and the dye is dissolved therein. Printed by the Intellectual Property Bureau of the Ministry of Economic Affairs, in collaboration with industrial and consumer production. The substrate material that can be used in the present invention can be selected from any substrate material that has been used in conventional optical recording media. From the viewpoints of optical characteristics, smoothness, workability, operability, long-term stability, and manufacturing costs, preferred substrate materials include: acrylic resins (such as cast-in-cell polymethylmethacrylate and injection molding) Formed polyfluorinated f-based acrylate) 'Air vinyl resin (such as polyethylene gas and gas ethylene copolymer), epoxy resin, polycarbonate resin, amorphous polyolefins, polyesters, glass and ceramics. Coating B on the surface of the substrate to be coated with the recording layer 'can be coated with a base layer' to improve the smoothness and adhesion to the recording layer 'and to avoid the repetitiveness of the recording layer. Materials that can be used as a primer include: polymer materials (such as polymethyl methacrylate, acrylic / sub-based acrylic copolymers, styrene / cis-butyric anhydride copolymers, polyethylene glycol, N- Methanol propylammonium, styrene / acrylic acid copolymer, styrene / vinyl toluene copolymer, gas sulfonated poly-4- (paper-scale towel home transfer (⑽) M specifications (2 digits tear 4 6 917 7 A7 --------------- B7__ V. Description of the invention (3) '~' — ene, nitrocellulose, polyethylene, gasified polyolefin, polyester ' Polyimide, vinyl acetate / gas ethylene copolymer, polyethylene, polypropylene and polycarbon -------- ά—— (Please read the notes on the back before filling this page) Ester), Organic materials (such as silane coupling agents), and inorganic materials (such as inorganic oxides (such as SiO2, Al203) and inorganic fluorides (such as MgF2)). When using glass substrates, use hydrophilic groups The primer layer prepared by the copolymer of succinic anhydride group and / or cis-butadiene anhydride group (such as stupid ethylene / cis-butadiene anhydride copolymer) is preferable, which can avoid release from the substrate. The negative effects of metal ions and soil metal ions on the recording layer. The formation of the undercoat layer can be as follows: dissolve or disperse the above materials in an appropriate solvent, and apply the known coating method ( (Such as spin coating, immersion coating or extrusion coating, etc.) apply the formed solution or dispersion on the substrate. The thickness of the primer layer is generally in the range of 0005 to 20 μm. In the range of 0.01 to 10 μχη. Printed on the substrate (or on the undercoat) by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs, a front groove layer can also be coated to form a conformable groove, or for instructions The convex or concave part of the information (such as the address signal). The material that can be used as the front groove layer is at least one monomer selected from the mono-, di-, tri-, and tetra-esters of acrylic acid (or A mixture of oligomer and photopolymerization initiator. The previous groove layer can be formed on the substrate (or undercoat layer) by coating the solution of acrylate and photopolymerization initiator on a precision-made mold. 'And coating the substrate in solution Then, the coating is cured by a mold or a substrate by ultraviolet rays to fix the substrate to the coated liquid composition. The paper size is applicable to China National Standard (CNS) A4 specification (210X297 mm) 46 9 ·: A7 _— ___B7 ----5. Description of the invention (4) ', and then remove the substrate from the mold, if so, there is a front groove layer on the substrate. The thickness of the front groove layer is generally 0. 〇5 ~ ι〇00μη1, preferably within the range of 0.1 to 50μηη. When using a plastic substrate, 'the front groove layer can be directly formed on the substrate by injection molding or extrusion molding. The recording layer essentially contains only a dye, or a binder in which the dye is dispersed. Adhesives suitable for the present invention include: natural organic polymer materials (such as gelatin, cellulose derivatives, dextran, rosin and rubber), and synthetic organic polymer materials (hydrocarbon resins (such as polyethylene, polypropylene, Polystyrene and polyisobutylene), vinyl resins (such as polyvinyl chloride, polyvinylidene gas and ethylene / vinyl acetate copolymers), acrylic resins (such as polymethacrylates and polymethacrylates) , And pre-condensation products of thermogenic resins (such as polyvinyl alcohol, vaporized ethylene, epoxy resin, butyral resin, rubber derivatives, and phenolic resins). The dyes that can be used in the present invention include: flowers Cyan dyes, phthalocyanine dyes, pyrylium dyes, thiopyryHum dyes, azulenium dyes, squallium dyes, metal (such as Ni or Cr) complex dyes, naphthoquinone dyes, anthraquinone dyes, indolophenol dyes, indole aniline dyes, Triphenyl methane dye, diallyl methane dye, aminium dye, diimnium dye, and arylene compound. Among the above dyes, the wavelength is in the near infrared region. Domain (such as 700-900 ηπ〇 light with high absorption is better, because in actual use, the laser for recording or reproducing information provides near-infrared rays. If the recording layer is formed using an adhesive At the time, the ratio of dyes to adhesives is -6 · This paper size i uses the Chinese National Standard (CNS) Λ4 specifications (-------- (Please read the precautions on the back before filling this page) -pack- Ordered by the Intellectual Property Bureau of the Ministry of Economic Affairs, the beta fee printed by the cooperative 4 6 9! 7 7 A7 --------------- B7 V. Description of the invention (5) Generally 0. 01 to 99 weight %, Preferably from Lo to 95% by weight. 4-Chrysyl_ 4 ~ fluorenyl-2-pentanone can also be used in combination with other solvents (preferably fluorine-free) suitable for manufacturing data recording media for dyes Preparation of the solution. The amount of the solvent and / or adhesive used above is such that the dye concentration in the formed dye solution is 0.01 to 10% by weight, preferably 0.1 to 5% by weight. The coating of the recording layer can be performed in a conventional manner as Among them, such as spray coating, spin coating, dip coating, roll coating, blade coating, coating roller coating, and screen coating, etc. The above-mentioned recording layer may be a single layer. Or many layers, and its thickness is generally 0.01 to 10 μm, preferably 0.02 to 1 μm. In addition, the recording layer may be formed on one or both sides of the substrate. On the recording layer, one may be further formed. Reflective layer to increase the S / N ratio in the information regeneration stage or to improve the sensitivity during reading and writing. Printed by the S Industry Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs " ^^^ 1- lit Γ ^ ιϋ 1 · J (please first Read the notes on the back and fill in this page) The above reflective layer is essentially composed of a light reflective material, which must be highly reflective to the laser beam. Those that can be such materials include: Mg, Se , Υ, Ti, Zr, Hf, V, Nb, Ta 'Cr, Mo, w, Mn, Be, Fe, Co, Ni, Ru, Rh, Pd, Ir, Pt, Cu, Ag, An, Zn, Cd A1, Ga, In, Si, Ge, Te, Pb, Po, Sn, and Bi 'are preferably ai, cr, Ni, and Ag. These materials may be used alone 'or in combination, and their alloys are also suitable for the present invention. The reflective layer can be formed on the recording layer by a conventional method such as deposition, sputtering or ion plating, and its thickness is generally 100 to 5,000 angstroms. The reflective layer may also be formed between the substrate and the recording layer. In this case, the recording and reproduction of data is performed on the recording layer side, that is, on the opposite side of the substrate side. -_ -7- The paper size is suitable for a country (CNS) A4 ^ G χ 297 public envy 6 9177 A7 ___________B7 V. Description of the invention (6) On the recording layer (or reflective layer), a protection can be further formed Layer to physically or chemically protect the recording layer. The protective layer can also be formed on the surface of the substrate without the recording layer to increase the resistance to damage and moisture. Materials that can be protective layers include inorganic materials (such as SiO, SiO2, MgF2 and

Sn〇2)與有機材料(如熱塑性樹脂、熱固性樹脂與uv可 硬化之樹脂)。 可藉由膠黏層將經擠出製程製備之塑性薄膜層壓於各 層中之任一層及/或基板上,而將保護層形成於記錄層 (或反射層)及/或基板上,或者亦可使用澱積、濺鍍或 塗佈之方式形成上述之保護層。當使用熱塑性或熱固性樹 脂時,將樹脂溶於適當之溶劑中,形成塗佈溶液,然後將 該溶液塗佈於記錄層及/或基板上,再乾燥該塗佈層’而 形成保護層。當使用UV-可硬化樹脂時,將該樹脂於適當 溶劑中之溶液塗佈於記錄層及/或基板上,然後以紫外線 照射該溶液塗佈層,以硬化該層而形成保護層。於任何情 形下,上述之塗佈溶液可依目的進一步含有不同種類之添 加劑(如抗氧化劑、抗靜電劑與UV吸收劑)。保護層之 厚度一般係於0.1至100 μιη之範圍内。 經濟部智慧財1局員工消費合作社印製 n n n ---- m ·1. > - I - I - m m T (請先聞讀背面之注意事項再填寫本頁) 以下將以具體之實施例更進一步說明本發明之方法, 惟本發明並不僅限於該等實施例。 實例1 (4-羥基-4-甲基-2-戊酮對基板之侵蝕性測試) 將具有固定深度(210nm)及寬度( 500nm)之溝軌 (溝軌與溝軌之間距為1600nm)之圓形透明聚碳酸酯基 板(直徑為l2〇mm)以固定之轉速旋轉(第一段轉速), 本紙張尺度適用中國國家標準(CNS ) A4規格(210X 297公釐) 4 6 91 7 7 A7 B7 五、發明説明(7 ) 同時於内圈均勻滴入1 ml之4-羥基-4-曱基-2-戊酮,以相 同之轉速再繼續旋轉10秒鐘,然後加速至5000 rpm (第 二段轉速),持續旋轉10秒鐘,以將基板上之4-經基-4-曱基-2-戊酮完全甩乾,測定基板溝轨之深度及寬度。改 變第一段轉速,重復上述之步驟。其所得之結果,如表1 所示: 表 1 I 1 . 訂 (請先閱讀背面之注意事項再填寫本頁) 第一段轉速 溝軌深度 溝軌寬度 備 註 對照组 205.3 495.7 未進行塗佈 100 204.8 496.3 300 205.2 495.8 500 205.3 495.7 700 205.3 495.7 900 205.3 495.7Sn〇2) and organic materials (such as thermoplastic resins, thermosetting resins and UV-curable resins). The plastic film prepared by the extrusion process can be laminated on any one of the layers and / or the substrate through an adhesive layer, and the protective layer can be formed on the recording layer (or the reflective layer) and / or the substrate, or The aforementioned protective layer can be formed by deposition, sputtering or coating. When a thermoplastic or thermosetting resin is used, the resin is dissolved in an appropriate solvent to form a coating solution, and then the solution is coated on a recording layer and / or a substrate, and the coating layer is dried to form a protective layer. When a UV-curable resin is used, a solution of the resin in an appropriate solvent is coated on a recording layer and / or a substrate, and then the solution coating layer is irradiated with ultraviolet rays to harden the layer to form a protective layer. In any case, the above-mentioned coating solution may further contain different kinds of additives (such as an antioxidant, an antistatic agent, and a UV absorber) according to the purpose. The thickness of the protective layer is generally in the range of 0.1 to 100 μm. Printed by the Consumers ’Cooperative of the 1st Bureau of Wisdom and Finance of the Ministry of Economic Affairs nnn ---- m · 1. >-I-I-mm T (Please read the precautions on the back before filling out this page) The following will take specific examples The method of the present invention is further described, but the present invention is not limited to these embodiments. Example 1 (4-hydroxy-4-methyl-2-pentanone's corrosiveness test to substrate) A groove track with a fixed depth (210nm) and a width (500nm) (the distance between the groove track and the groove track is 1600nm) Round transparent polycarbonate substrate (120mm in diameter) rotates at a fixed speed (first speed), this paper size applies Chinese National Standard (CNS) A4 specification (210X 297 mm) 4 6 91 7 7 A7 B7 V. Description of the invention (7) Simultaneously drip 1 ml of 4-hydroxy-4-fluorenyl-2-pentanone into the inner ring, continue to rotate for 10 seconds at the same speed, and then accelerate to 5000 rpm (No. Two-stage rotation speed), continue to rotate for 10 seconds to completely dry the 4-transyl-4-fluorenyl-2-pentanone on the substrate, and measure the depth and width of the groove on the substrate. Change the first speed and repeat the above steps. The results obtained are shown in Table 1: Table 1 I 1. Order (please read the precautions on the back before filling this page) The first section of the speed of the groove track depth groove track remarks control group 205.3 495.7 not coated 100 204.8 496.3 300 205.2 495.8 500 205.3 495.7 700 205.3 495.7 900 205.3 495.7

以上溝軌深度及寬度係以dr. schenk gmbh之PRO 經濟部智慧財產局員工消費合作社印製 meteus MT-136光碟測量系統測定 由以上所列結果可知,4-羥基-4-曱基-2-戊酮對於聚碳 酸酯基板之侵蝕性甚低。 實例2 (塗佈實例) 於27°C,相對濕度45%之環境下,將1毫升4.5% (重 量比)2-(5-(1,3,3-三甲基苯駢[e]吲哚)-3’-甲基-戊-U-二烯 -9- 本紙張尺度適用中國國家標準(CMS ) A4規格(210 X 297公釐)The depth and width of the above grooves are measured by the dr. Schenk gmbh PRO printed by the Intellectual Property Bureau of the Intellectual Property Bureau of the Ministry of Economic Affairs and Consumer Cooperatives. The meteus MT-136 optical disc measurement system is determined from the results listed above. 4-Hydroxy-4-fluorenyl-2- Pentanone has very low aggressiveness to polycarbonate substrates. Example 2 (coating example) Under 27 ° C and 45% relative humidity, 1 ml of 4.5% (weight ratio) 2- (5- (1,3,3-trimethylphenylhydrazone [e] ind) Indole) -3'-methyl-pent-U-diene-9- This paper size applies to the Chinese National Standard (CMS) A4 specification (210 X 297 mm)

4 6 91 7T A7 B7 五、發明説明(8 ) {請先閲讀背面之注^^項再填寫本頁) 基)-1,3,3-三甲基苯駢1>]吲哚基過氣酸鹽之花青素於4_經 基-4-曱基-2-戊酮中之溶液滴加於厚度為115 mm、外徑 為120 mm、内徑為15 mm之圓形聚碳酸酯基板(其上具 有深210 nm、寬500 nm之溝漕,溝槽間距為16〇〇 nm) 之内圈上,同時保持基板以每分鐘800轉(rpm)之轉速 旋轉5秒鐘,其後依序將轉速升南至每分鐘2,〇〇〇、3,〇〇〇 及5,000轉,並各持續5秒鐘。復於80°c將塗佈完成之 基板烘烤10分鐘’即形成乾燥且均勻之光學記錄層。以 金屬藏鍍機於記錄層上滅鍵厚度約為100 nm之銀反射 層,再於反射層上以旋轉塗佈之方式塗上厚度約為3,000 至4,000 nm之紫外線硬化樹脂(U.V. Lacquer),並以紫 外線硬化上述之樹脂層,即形成完整之記錄媒體。 使用具有780 nm震動波長之半導體雷射光學頭的光 碟記錄裝置,將EFM調變信號按機器之最佳線速度及最 佳雷射功率記錄於上述之光記錄媒體上,依相同之方法 製造20片記錄媒體,並記錄相同信號内容,而後以CD-CATS測量其光電特性,並計算其平均值與標準偏差,其 結果示於表2中(花青染料組)。 經濟部晳慧財產局員工消費合作社印製 實例3 (塗佈實例) 於27°C,相對濕度45%之環境下,將1毫升3.4% (重 量比)酞青染料(汽巴公司編號為IRGAPHOR GREEN CDR之產品)於4-羥基-4-甲基-2-戊酮中之溶液滴加於厚 度為1.15 mm、外徑為120 mm、内徑為15 mm之圓形聚 碳酸酯基板(其上具有深210 nm、寬600 rnn之溝漕,溝 -10- 本紙張;^通用中國國家標準(€阳>八4说格(210\297公釐) 4 6 91 77 A7 B7 五、發明説明( -----^-----------ΐτ (請先閱讀背面之注意事項再填寫本頁) 槽間距為16GG nm)之内圈上,同時保持基板以每分鐘 _轉之轉速旋轉5秒鐘,其後依序將轉速升高 至每分鐘2,000、3,_及5,_轉,並各持續5秒鐘。復 於80C將塗佈完成之基板烘烤1〇分鐘,即形成乾燥且均 勻之光學圯錄層。以金屬濺鍍機於記錄層上濺鍍厚度約 為100 nm之銀反射層,再於反射層上以旋轉塗佈之方式 塗上厚度約為3,000至4,0〇〇 nm之紫外線硬化樹脂(u v Lacquer),並以紫外線硬化上述之樹脂層,即形成完整 之記錄媒體。 使用具有780 nm震動波長之半導體雷射光學頭的光 碟記錄裝置,將EFM調變信號按機器之最佳線速度及最 佳雷射功率記錄於上述之光記錄媒體上,依相同之方法 製造20片記錄媒體,並記錄相同信號内容,而後以cD_ CATS測量其光電特性,並計算其平均值與標準偏差,其 結果示於表2中(酞青染料組)。 實例4 (對照組) 經濟部智慧財產局員工消費合作社印製 於27°C ’相對濕度45%之環境下,將1毫升]2% (重 1£比)2-(5-(1,3,3-三甲基笨益[e]弓卜朵)-3’-曱基_戊_!,3-二 烯基)-1,3,3-三甲基笨联[e],哚基過氣酸鹽之花青素於 2,2,3,3-四氣-1 -丙烧中之溶液滴加於厚度為1.15 mm、外徑 為120 mm、内徑為15 mm之圓形聚碳酸酯基板(其上具 有深210 nm、寬500 nm之溝漕,溝槽間距為1600 nm) 之内圈上’同時保持基板以每分鐘500轉(jpm )之轉速 旋轉5秒鐘,其後依序將轉速升高至每分鐘1,〇〇〇、2,000 -11- 卜纸張尺度適用中國國家標準(CNS ) 格(210X 297公釐) 4 6 91 77 A7 ____B7_ 五、發明説明(1〇 ) ~~~~4 6 91 7T A7 B7 V. Description of the invention (8) {Please read the note ^^ on the back before filling in this page) Base) -1,3,3-trimethylphenylhydrazone 1 >] indolyl overgassing The solution of the anthocyanin of the acid salt was added dropwise to a round polycarbonate substrate with a thickness of 115 mm, an outer diameter of 120 mm, and an inner diameter of 15 mm. (It has a trench with a depth of 210 nm and a width of 500 nm and a trench pitch of 160 nm.) While keeping the substrate rotating at 800 revolutions per minute (rpm) for 5 seconds. Sequentially increase the speed to 20,000, 3,000, and 5,000 rpm for 5 seconds each. The coated substrate was baked at 80 ° C for 10 minutes' to form a dry and uniform optical recording layer. A silver reflective layer with a bond-killing thickness of about 100 nm is deposited on the recording layer by a metal-plating machine, and then a UV-curing resin (UV Lacquer) with a thickness of about 3,000 to 4,000 nm is spin-coated on the reflective layer. The above-mentioned resin layer is hardened by ultraviolet rays to form a complete recording medium. An optical disc recording device using a semiconductor laser optical head with a vibration wavelength of 780 nm was used to record the EFM modulation signal on the above-mentioned optical recording medium according to the machine's best linear speed and the best laser power. 20 was manufactured by the same method. Record the media and record the same signal content, and then measure its photoelectric characteristics with CD-CATS, and calculate the average and standard deviation. The results are shown in Table 2 (cyanine dye group). Printing Example 3 (Coated Example) by the Employees' Cooperative of the Qinghui Property Bureau of the Ministry of Economic Affairs at 27 ° C and a relative humidity of 45%, 1 ml of 3.4% (weight ratio) phthalocyanine dye (Ciba Company ID: IRGAPHOR) A product of GREEN CDR) in 4-hydroxy-4-methyl-2-pentanone is dripped onto a circular polycarbonate substrate (which has a thickness of 1.15 mm, an outer diameter of 120 mm, and an inner diameter of 15 mm) There is a trench with a depth of 210 nm and a width of 600 rnn on the surface, and the trench is -10- this paper; ^ Common Chinese National Standards (European > Eighty Four Cells (210 \ 297 mm) 4 6 91 77 A7 B7 V. Invention Note (----- ^ ----------- ΐτ (Please read the notes on the back before filling in this page) The groove pitch is 16GG nm) while keeping the substrate per minute The rotation speed is 5 seconds, and the rotation speed is sequentially increased to 2,000, 3, and 5, 5 rotations per minute for 5 seconds each. Return to 80C and bake the coated substrate 1 〇minutes, a dry and uniform optical recording layer is formed. A silver sputtering layer with a thickness of about 100 nm is sputtered on the recording layer by a metal sputtering machine, and then applied on the reflective layer by spin coating. An ultraviolet curing resin (uv Lacquer) having a thickness of about 3,000 to 4,000 nm, and the above resin layer is cured by ultraviolet rays to form a complete recording medium. An optical disc using a semiconductor laser optical head having a vibration wavelength of 780 nm The recording device records the EFM modulation signal on the above-mentioned optical recording medium according to the best linear speed and the best laser power of the machine. According to the same method, 20 recording media are manufactured, and the same signal content is recorded, and then cD_ CATS The photoelectric characteristics were measured, and the average and standard deviation were calculated. The results are shown in Table 2 (phthalocyanine dye group). Example 4 (control group) Printed at 27 ° C by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs Under the environment of 45% humidity, 1ml] 2% (weight 1 £ ratio) 2- (5- (1,3,3-trimethylbenzyl [e] Gongbuduo) -3'-fluorenyl_ Pentamyl!, 3-dienyl) -1,3,3-trimethylbenzyl [e], anthocyanin of indolyl peroxy acid on 2,2,3,3-tetrakis-1- The solution in CPP was added dropwise to a circular polycarbonate substrate with a thickness of 1.15 mm, an outer diameter of 120 mm, and an inner diameter of 15 mm (a trench with a depth of 210 nm and a width of 500 nm). , The groove pitch is 1600 nm) on the inner ring 'while keeping the substrate rotating at a speed of 500 revolutions per minute (jpm) for 5 seconds, and then sequentially increasing the speed to 1, 000, 2,000- 11- The paper size is applicable to the Chinese National Standard (CNS) grid (210X 297 mm) 4 6 91 77 A7 ____B7_ V. Description of the invention (1〇) ~~~~

及5,000轉,並各持續5秒鐘。復於6〇。(:將塗佈完成之基 板烘烤10分鐘,即形成乾燥且均勻之光學記錄層。以金 屬濺鍍機於記錄層上濺鍍厚度約為100 nm之銀反射層, 再於反射層上以旋轉塗佈之方式塗上厚度約為3〇〇〇至 4,000 nm之紫外線硬化樹脂(u_V. Lacquer),並以紫外 線硬化上述之樹脂層,即形成完整之記錄媒體Q 使用具有780 nm震動波長之半導體雷射光學頭的光碟 記錄裝置,將EFM調變信號按機器之最佳線速度及最佳 雷射功率記錄於上述之光記錄媒體上,依相同之方法製造 20片記錄媒體’並記錄相同信號内容,而後以cd_cats 測量其光電特性,並計算其平均值與標準偏差,其結果示 於表2中(對照組)。 經 濟 部 智 慧 財 產 局 員 工 消 費 合 作 社 印 製 表 2 組別 光電特性 (花ίΙ@組) 實例3 (酞青染料組) 實例4 (對照組) 反射率 72.2±0.2 74‘2±〇_3 72.1 ±0.2 (3Τ land jitter) 29±2 28±1 32±3 28±2 ------- 28±2 —------- 30±2 (ΠΤ land jitter) 33±1 29±2 33±2 29±2 一 •—----- 26 士 1 29±2 據以上之結果,以4-羥基-4-甲基-2-戍酮做為染料溶液之 溶劑’可使花青染料(高極性之染料)與料染料(低極 _____________ -12- 本纸張尺度刺+¾國家標準(CNS ) Αί(規格(^~〇χ297公楚) ------And 5,000 rpm for 5 seconds each. Return to 60. (: Bake the coated substrate for 10 minutes to form a dry and uniform optical recording layer. Use a metal sputtering machine to sputter a silver reflective layer with a thickness of about 100 nm on the recording layer, and then apply the reflective layer on the reflective layer. Spin coating with UV curing resin (u_V. Lacquer) with a thickness of about 3,000 to 4,000 nm, and curing the above resin layer with ultraviolet rays to form a complete recording medium. Q Use a 780 nm vibration wavelength. The optical disc recording device of the semiconductor laser optical head records the EFM modulation signal on the above-mentioned optical recording medium according to the best linear speed and the optimal laser power of the machine, and manufactures 20 recording media according to the same method and records the same The content of the signal was measured by cd_cats, and the average value and standard deviation were calculated. The results are shown in Table 2 (control group). Printed in Table 2 by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs. ίΙ @ Group) Example 3 (phthalocyanine dye group) Example 4 (control group) Reflectance 72.2 ± 0.2 74'2 ± 〇_3 72.1 ± 0.2 (3T land jitter) 29 ± 2 28 ± 1 32 ± 3 28 ± 2 ------- 28 ± 2 --------- 30 ± 2 (ΠΤ land jitter) 33 ± 1 29 ± 2 33 ± 2 29 ± 2 I • -------- 26 J1 29 ± 2 According to the above results, using 4-hydroxy-4-methyl-2-fluorenone as the solvent of the dye solution 'can make cyanine dyes (highly polar dyes) and dyes (low polar _____________ -12- The paper size thorn + ¾ National Standard (CNS) Αί (Specifications (^ ~ 〇χ297 公 楚) ------

Claims (1)

7 J- 9 6 4 A8B8C8D8 六、申請專利範圍 1. 一種製造光資訊記錄媒體之方法,其包括將一染料溶 液塗佈於一基材上,並乾燥所塗佈之染料溶液,而形 成一記錄層,供以雷射光束讀寫資料之步驟,其特徵 係在於: 該染料溶液係以4-羥基-4-曱基-2-戊酮為溶劑,而將染 料溶於或分散於其中所形成者。 2. 根據申請專利範圍第1項之方法,其中基板係為以聚 碳酸酯所製'得者^ 3. 根據申請專利範圍第1項之方法,其中染料係為選自 於花青染料、酞青染料、pyrylium染料、硫代pyrylium 染料、azulenium染料、squarillium染料、金屬錯合染 料、萘醌染料、蒽醌染料、吲哚酚染料、吲哚笨胺染 料、三苯基曱院染料、三稀丙基曱院染料、aminium染 料、diimonium染料、以及亞石肖基化合物中者。 4. 根據申請專利範圍第1項之方法,其中所形成之記錄 層可為單層或多數層之形式。 5. 根據申請專利範圍第1或4項之方法,其中所形成記 錄層之厚度為0.01至10 μιη。 6. 根據申請專利範圍第5項之方法,其中所形成記錄層 之厚度為0.02至1 μηι。 7. 根據申請專利範圍第1項之方法,其中染料溶液係以 旋轉塗佈之方式塗佈於基板上。 8. 根據申請專利範圍第1項之方法,其中染料溶液係以 濺鍍之方式塗佈於基板上。 '14 ' 88382b 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) (請先閱讀背面之注意事項再填寫本頁) 裝 ----訂---------線 經濟部智慧財產局員工消費合作杜印製 4 6 91 7 7 戠 C8 D8 六、申請專利範圍 9. 根據申請專利範圍第1項之方法,其中染料溶液係含 有0.01至10重量%之染料 10. 根據申請專利範圍第9項之方法,其乍染料溶液係含 有0.1至5重量%之染料。 — — — — — — — — — — — — V - — — — — I — — 1111[[11 (請先間讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公蹵)7 J- 9 6 4 A8B8C8D8 6. Application for Patent Scope 1. A method for manufacturing optical information recording media, comprising coating a dye solution on a substrate, and drying the coated dye solution to form a record Layer for reading and writing data with a laser beam, which is characterized in that: the dye solution is formed by dissolving or dispersing the dye in 4-hydroxy-4-fluorenyl-2-pentanone as a solvent By. 2. The method according to item 1 of the scope of patent application, wherein the substrate is made of polycarbonate ^ 3. The method according to item 1 of the scope of patent application, wherein the dye is selected from the group consisting of cyanine dyes, phthalates Cyan dye, pyrylium dye, thiopyrylium dye, azulenium dye, squarillium dye, metal complex dye, naphthoquinone dye, anthraquinone dye, indole phenol dye, indole benzylamine dye, triphenylpyridine dye, three dilute Among propyl hydrazone dyes, aminium dyes, diimonium dyes, and schistyl compounds. 4. The method according to item 1 of the scope of patent application, wherein the recording layer formed may be in the form of a single layer or a plurality of layers. 5. The method according to item 1 or 4 of the scope of patent application, wherein the thickness of the recording layer formed is 0.01 to 10 μm. 6. The method according to item 5 of the scope of patent application, wherein the thickness of the recording layer formed is 0.02 to 1 μm. 7. The method according to item 1 of the scope of patent application, wherein the dye solution is applied on the substrate by spin coating. 8. The method according to item 1 of the scope of patent application, wherein the dye solution is applied on the substrate by sputtering. '14' 88382b This paper size applies to China National Standard (CNS) A4 (210 X 297 mm) (Please read the precautions on the back before filling this page) Binding ---- Order -------- -Consumption cooperation by employees of the Intellectual Property Bureau of the Ministry of Economic Affairs Du printed 4 6 91 7 7 戠 C8 D8 VI. Patent application scope 9. The method according to item 1 of the patent application scope, wherein the dye solution contains 0.01 to 10% by weight of dye 10. The method according to item 9 of the scope of patent application, wherein the dye solution contains 0.1 to 5% by weight of the dye. — — — — — — — — — — — — V-— — — — I 11 — 1111 [[11 (Please read the precautions on the back before filling out this page) Printed by the Intellectual Property Bureau Employee Consumer Cooperative of the Ministry of Economic Affairs Paper size applies to China National Standard (CNS) A4 (210 X 297 cm)
TW88119612A 1999-11-10 1999-11-10 Method of manufacturing optic information recording media TW469177B (en)

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