JPS5862844A - Production of disc - Google Patents
Production of discInfo
- Publication number
- JPS5862844A JPS5862844A JP56161126A JP16112681A JPS5862844A JP S5862844 A JPS5862844 A JP S5862844A JP 56161126 A JP56161126 A JP 56161126A JP 16112681 A JP16112681 A JP 16112681A JP S5862844 A JPS5862844 A JP S5862844A
- Authority
- JP
- Japan
- Prior art keywords
- section
- organic solvent
- manufacturing
- nitrocellulose
- dye sensitizer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
-
- 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
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
- G11B7/246—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes
Landscapes
- Thermal Transfer Or Thermal Recording In General (AREA)
- Optical Recording Or Reproduction (AREA)
- Manufacturing Optical Record Carriers (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は情報記録板,特κビデオディスク、PCMオー
ディオディスク咎のディスクの製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing information recording plates, special video disks, and PCM audio disks.
従来情報記録板を製造するためκフオトレジストが使用
されていた。すなわち表面を研摩したガラス等よ)なる
原盤を用意し、この原盤を洗浄して冷却する(約1時関
O工Im)、この原盤κフオトレジストを薄《コートし
、プリベークし死後冷却する(約1時間の工1!!)。Traditionally, κ photoresists have been used to manufacture information storage plates. In other words, prepare a master disk (such as glass with a polished surface), wash and cool the master disk (approximately 1 hour), coat this master disk with a thin layer of κ photoresist, pre-bake, and cool it after death. Approximately 1 hour of work 1!!).
このフォトレジストをコートし九原盤κ記録すべ1信号
κより変調されたレーザビー五等を照射し、信号を記録
する(約1時間乃至2時間O工l!)。This photoresist is coated and a signal is recorded by irradiating it with a laser beam modulated from a signal κ (about 1 to 2 hours!).
露光したこの原盤を現像し、水洗いし、水切夛をしてさ
らにアフターベークした後冷却する(約1時間の工S)
。これkよ〕表iiNK記録信号に対応したビットが形
成された原盤が得られる、そしてさらにビットが形成さ
れ九記録表面上κ金属の反射膜をコートする(約45分
O工程)、反射膜がコートされた原盤を検査用再生機に
て再生し、ドロップアウト等の検査をする(約1時間乃
至2時間O工II)。ζO検検査音合格た原盤のみが大
量κレプリカを製作するためOXタンパを製造する工程
へ回されることκな為。This exposed master is developed, washed with water, drained, and then afterbaked and cooled (approximately 1 hour of work).
. [This is k] Table ii A master disk on which bits corresponding to the NK recording signal are formed is obtained. Further bits are formed, and a reflective film of κ metal is coated on the recording surface (about 45 minutes O process). The coated master disc is played back using an inspection playback machine and inspected for dropouts, etc. (approximately 1 to 2 hours of operation II). This is because only master discs that pass the ζO inspection sound are sent to the process of manufacturing OX tampers in order to produce mass κ replicas.
しかし慶から斯かる従来の方法は、信号の記録をlI紬
してから検査を終了する迄約4時間乃aS時閲を要し,
その時間が経過しなければ良品、不良&O区別ができな
かった。従って約4時間乃至5時間を経過して不良品で
あることが4lIIl4シた場合は、再び最初から同じ
時間をかけて情報記録板を製造する必要があり、極めて
非能率的であり良.このことはフォトレジストを記録層
として使用しているため#/C,信号記録後直ちにある
一は信号記録時において記録信号を同時κ再生する屑繭
モニターができな込ことに起因して−る。また信号の記
録自体は正確κ行えたとしても、後の現像工程で現像時
間等を誤まると%結局は不良品となってしまうばかシで
なく,フォトレジストが自然光κよっても感光してしま
うおそれがあるために、明室でのハンド啼ングが困難と
なl $111が極めて悪いものに1にる欠点があった
.従って自然製造コストも高かった。However, this conventional method requires approximately 4 hours of time from recording the signal to completing the inspection.
Until that time had elapsed, it was not possible to distinguish between non-defective products and defective products. Therefore, if it is determined that the product is defective after about 4 to 5 hours, it is necessary to manufacture the information recording board again from the beginning, taking the same amount of time, which is extremely inefficient. This is because photoresist is used as the recording layer, and immediately after the signal is recorded, a waste monitor that simultaneously reproduces the recorded signal is not available. . Furthermore, even if the signal recording itself is accurate, if you make a mistake in the development time etc. in the subsequent development process, you will not only end up with a defective product, but also the photoresist will be exposed to natural light. Because of the danger, it was difficult to play by hand in a brightly lit room. Therefore, the natural manufacturing cost was also high.
斯かる欠点を考直してモニターが可能な素材を記録膜と
して使用する方#Cが例えば米Iil特許第40978
95号に提案されている。これはガラス原盤の上にアル
ミニウムの反射膜を形成し、その上に所足の波*[対し
て著しb吸収性を有する染料(フルオレセン)よ〕表る
記龜属を形成するものである。これにアルゴンレーずを
照射すると、この染料はアルゴンレーずの波長和対して
著しい吸収性を有するためkJl華しビランが形l&さ
れる。ビットが形成された記録膜に、記録時よ〕充分小
さく、染料を昇華させないパワーのアルゴンレーザな照
射すると、ビットが形成され反射膜が露出している部分
#Cおいてはレーザビームは反射され、ビットが形成さ
れておらず染料が残っている部分61cシbてはレーザ
ビームは吸収され反射され慶い(あるいは反射率は充分
小さい)ので、その光量差よpビットの有無従って信号
を再佐することが可能となる。A method #C of reconsidering such drawbacks and using a material that can be monitored as a recording film is disclosed in US Iil Patent No. 40978, for example.
It is proposed in No. 95. This involves forming an aluminum reflective film on top of the glass master disk, and forming a wave on top of it, which represents a wave* [on the contrary, a dye (fluorescene) with remarkable b-absorption properties]. . When this dye is irradiated with argon laser, kJl bloom is formed because this dye has a remarkable absorption property for the sum of wavelengths of argon laser. When the recording film on which the bits are formed is irradiated with an argon laser that is sufficiently small and has a power that does not sublimate the dye (during recording), the laser beam will not be reflected at the part #C where the bits are formed and the reflective film is exposed. In the part 61c where no bit is formed and the dye remains, the laser beam is absorbed and reflected (or the reflectance is sufficiently small), so the signal is replayed based on the difference in light intensity and the presence or absence of the p bit. It will be possible to assist.
こO5方法による場合は、モニターもでき、湿式の現像
工務も不要であり、所定の波長に対してのみ吸収性を有
するから、明室においてもハンドリングが可能となる。In the case of the O5 method, monitoring is possible, wet development work is not required, and since it has absorbency only for a predetermined wavelength, it can be handled even in a bright room.
しかしながらこの方法#i、染料の昇華速度7fi運く
、ビットの形状かきれhK豊わず、充分なSNを有する
惰′報記録板を得ることができない欠点があった。However, this method #i had the disadvantage that the sublimation rate of the dye was 7fi, the shape of the bit was not changed, and a recording plate with sufficient SN could not be obtained.
これを改良した方法が伺えば%斃昭55日87595号
公報中、1979年11月22日発行の電子通信学会技
術研究報告(CPM79−59)r色素蒸発記録材料を
用いた実時間レーザ記録」に開示されて偽る。すなわち
ポリエステル、ポリエチレン等の透明なフィルムある−
はアクリル等の基11M上に、エチルレッド、メチレン
ブルー、ブリリアントグリーン等の色素増感剤(染料)
と、x ) Hセルロース(重合度約80)とをケトン
系の溶剤に溶かしたものをコートし、当該色素増感剤声
着しい吸収性を有する波長のレーザビームを照射して信
号を記録するものである。If you are looking for an improved method of this, please refer to Publication No. 87595 dated November 22, 1979, Technical Research Report of Institute of Electronics and Communication Engineers (CPM79-59), ``Real-time laser recording using dye evaporation recording material.'' Disclosed and false. In other words, there are transparent films such as polyester and polyethylene.
is a pigment sensitizer (dye) such as ethyl red, methylene blue, brilliant green, etc. on the base 11M of acrylic etc.
and x) H cellulose (degree of polymerization of about 80) dissolved in a ketone solvent is coated, and a signal is recorded by irradiating the dye sensitizer with a laser beam of a wavelength that has a strong absorption property. It is something.
この方法は単に染料(色素増感剤)のみでなく、キト四
セルロースを混合しである走め、その自己酸化効果によ
)昇華速度が速く、低温(低%6Aワー)での記録が可
能であり、ビットの形状が前述した染料のみO場合KM
べて會れ−K11うという利点を有すゐ、しかし1kか
らこの方法は、前述したフォトレジストを使用すル場合
Klべればビットの形状はまだ充分整えられて一1k%
/mばかりでなく、反応残渣が出て記録面上虻ゴン状の
異物として!11、充分な8Nを有する情報記録板を製
造することはでIItkかった。従ってこの方法は実験
段階の域を出ず、商品としてO情報記録板を大量に製造
するためIIcはIII述したフォトレジストを使用す
る方法を採用せざるを得なかった。This method uses not only a dye (dye sensitizer) but also a mixture of chitotetracellulose, which has a fast sublimation rate (due to its self-oxidation effect) and allows recording at low temperatures (low % 6A). If the shape of the bit is only the dye mentioned above, then KM
However, when using the photoresist described above, the shape of the bit is still well arranged and the bit shape is less than 1k%.
Not only /m, but also reaction residue comes out as a horsetail-shaped foreign substance on the recording surface! 11. It was difficult to manufacture an information recording plate with sufficient 8N. Therefore, this method remained at the experimental stage, and in order to mass-produce O-information recording plates as commercial products, IIc had no choice but to adopt the method of using the photoresist described in III.
本発明は斯かる状況に鑑みなされたもOてあル、前述し
た後2者の方法を改良し、フォトレジストを使用した場
合の如く■式O現像工程が不要であり、モニターが可能
であ〕、商品として供し得る実用上充分1kgNを有す
るディスクの製造方法を提供する仁とを目的とする。The present invention was developed in view of the above circumstances, and it improves the latter two methods described above, and eliminates the need for a developing step (2) as in the case of using a photoresist, and enables monitoring. ], the object of the present invention is to provide a method for manufacturing a disk having a weight of 1 kgN, which is sufficient for practical use as a commercial product.
以下本発明〇一実施例を図を参照して詳述する0本発−
におhて紘諺l融に示す如く先ず基Illを用意する。Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
First, a group Ill is prepared as shown in the proverb.
基盤1社七の!!面を研摩した例えば略円形のガラスに
て構成することができる。勿論そot+nt記録板を記
録としてそれから大量Oレプリカを製造するのて&iな
(,1&42)情報記l&電を得るだけの場合は、基盤
1をポリエステル、アクリル等の合成樹脂とすることが
で會為、基盤1は洗浄したll?1却し、さらにそ0表
面上に例えば#!、アルミニウム等よりなる反射膜意を
蒸着、スパッタリング等によ〕所定O1i官(例えばz
ooλ乃至400A)K形成する。この厚さは薄すぎる
とモニターする場合充分な反射光量を得ることができず
、tた厚すぎると機能的に#i間厘が生じないが、材料
を無駄に消費することlIc1にる。銀を約200λの
厚さにして反射膜2を形成した場合、読出し用のへ9?
ムネオンレーず【対する反射率は80乃1185Xてあ
った1反射膜2上XKFiさらに色素増感剤とニトロセ
ルロースとを含む情報記録層3を形成する。ニトロセル
胃−スOJi科としてif a ’にルa−xi)19
7に以上のコツトンリンターがよい、lLセルロースの
含有率が低いと反応残渣が記録面上に散在する結果とな
り充分1ksNを得ることはできな−0従って実用に供
し得る情報記録板を得るために#isaセルロースを9
7X以上含有して騒るものがよ−、ヤしてニトロセルロ
ースの数平均重合度は8o乃至95(JI8におけるR
8し2に相1する)$li!である0重合度がこれよ)
小さいとビット0形状がきれいに整わず、また大きいと
粘度が強すぎて記録層3をむらなく所定O厚さにコート
するこ七が困難となる。このコツトンリンターを硫硝混
配法その他の方法で硝化させるが、その硝化度は少なく
とも13X以上、好ましくは、1 [32X以上である
とよい、ii化度が不充分であると記録用ビームのパワ
ーを大きくしなければビットが形成できず%またパワー
を大きくし過ぎるとビットの形状が区れる。従って後述
するよう虻硝化度をある程度大音くして、比較的このよ
うkして得られたニトロセルロースを1111111
(11えefキシレン又はキシレンとエチル竜四ノルプ
アセテートとの混合液)K溶解させ、飼えばα2声mo
フィルタにて2目濾過スる。One company, seven companies! ! It can be made of, for example, approximately circular glass with a polished surface. Of course, if you only want to record information on a 100+ nt recording board and produce a large number of replicas from it, the substrate 1 can be made of synthetic resin such as polyester or acrylic. So, did you clean the board 1? 1, and then 0 on the surface, for example #! , a reflective film made of aluminum or the like is coated with a predetermined O1i material (e.g. z
ooλ to 400A)K is formed. If this thickness is too thin, it will not be possible to obtain a sufficient amount of reflected light for monitoring, and if it is too thick, functional space will not be produced, but material will be wasted. When the reflective film 2 is formed of silver with a thickness of about 200λ, the readout film 9?
On the reflective film 2, which had a reflectance of 80 to 1185X, an information recording layer 3 containing a dye sensitizer and nitrocellulose is formed. Nitrocell gastrointestinal tract as OJi family if a' to le a-xi) 19
7 or above is recommended. If the content of 1L cellulose is low, reaction residues will be scattered on the recording surface and it will not be possible to obtain a sufficient 1 ksN. Therefore, in order to obtain an information recording plate that can be used practically. #isa cellulose to 9
The number average degree of polymerization of nitrocellulose is 8o to 95 (R in JI8).
8 and 2 and 1) $li! This is the degree of polymerization of 0)
If it is too small, the shape of the bit 0 will not be neatly arranged, and if it is too large, the viscosity will be too strong, making it difficult to uniformly coat the recording layer 3 to a predetermined thickness. This linter is nitrified by the sulfur/nitrogen mixture method or other methods, and the degree of nitrification is at least 13X or more, preferably 1[32X or more.If the degree of nitrification is insufficient, the recording beam If the power is not increased, the bit cannot be formed, and if the power is increased too much, the shape of the bit will be different. Therefore, as will be described later, the degree of nitrification was increased to a certain extent, and the nitrocellulose obtained in this manner was compared to 1111111
(11e ef xylene or a mixture of xylene and ethyl ryu-shinorp acetate) K dissolved, and if kept, α2 voice mo
Pass through a second filter.
また色素増感剤としてはN−エチル−Nオキシエチルア
ニリンを用すこれを前記した場合と同IHclliiy
s剤kssiKせ、mAf;l、。In addition, N-ethyl-Noxyethylaniline is used as the dye sensitizer.
s agent kssiK, mAf;l,.
しかる後ニトロセルロースを溶解した有機溶剤と、色素
増感剤を溶解した有機溶剤とを、二)w−tル田−スと
色素増感剤とが所定の重量分率となるよう#C混合し、
さらにニトロセルロースと色素増感剤とのa合物1gK
対して例えば4・Cめ割合となるように有機溶剤を加え
、40℃に加熱して約4時間振盪する。この液に再び鎗
配錬遥工1を施し、情報記録層3の材料とす1:1す
る。After that, the organic solvent in which the nitrocellulose was dissolved and the organic solvent in which the dye sensitizer was dissolved were mixed with #C so that 2) the weight ratio of the wt lance and the dye sensitizer became a predetermined weight fraction. death,
Furthermore, 1 gK of a compound of nitrocellulose and dye sensitizer
An organic solvent is added to the mixture at a ratio of, for example, 4.C, and the mixture is heated to 40°C and shaken for about 4 hours. This liquid is again subjected to the process 1 to form a material for the information recording layer 3 at a ratio of 1:1.
ζo材料を作るKIIIL、ニトロセルロースと色素増
感剤と0重量分率を変化させた場合、光の透過率ag2
図に示す如くに変化する。囮において、AFiそ0重量
分車を94LO対しoにした場合であ〕、BFi90.
O対1αO,Cは86.5対115、 Dhso対20
の場合である。いずれの場合も波長が440nmから5
39mmの範1qにおいて著し−光吸収性を有するが、
色素増感剤の含有量を増加させる程その程度が著しくな
る。例えばCK示す如く重量分率を86.5対13.5
にすると、その動粘度は25℃にシbて3.6estと
な9、波長が456.1nmであるアルゴンレーザに対
シて約35Xの透過率(従って約65Xの吸収率)とな
る。KIIIL to make ζo material, light transmittance ag2 when changing the weight fraction of nitrocellulose and dye sensitizer and 0
It changes as shown in the figure. In the case of decoy, AFi 0 weight car is set to 94LO and BFi 90.
O vs. 1αO, C is 86.5 vs. 115, Dhso vs. 20
This is the case. In either case, the wavelength is from 440 nm to 5
It has significant light absorption in the 39 mm range 1q, but
As the content of the dye sensitizer is increased, the degree of this phenomenon becomes more significant. For example, as shown in CK, the weight fraction is 86.5 to 13.5.
Then, its kinematic viscosity is 3.6est at 25° C.9, resulting in a transmittance of about 35X (therefore an absorption rate of about 65X) for an argon laser whose wavelength is 456.1 nm.
この材料を反射膜2上にスピンコードして情報記録層3
を形成する6例えば10eeの材料を反射膜2上に滴下
させs 250rpm で11秒間回転させ、さらi
c600rpm で61秒間回転させると、その厚さが
約2506λの情報記録層3を形成することができる。This material is spin-coded onto the reflective film 2 to form an information recording layer 3.
For example, a material of 10 ee to form 6 is dropped onto the reflective film 2, rotated at 250 rpm for 11 seconds, and then
By rotating at c600 rpm for 61 seconds, an information recording layer 3 having a thickness of about 2506λ can be formed.
スピンコートヲ行つ場合において、最初は低速で1次に
それよ〕高速で反射膜2が形成された基盤lを回転させ
ると、情報記録層3を拘−にむらなく形成することがで
きる。When spin coating is performed, the information recording layer 3 can be formed uniformly by rotating the substrate 1 on which the reflective film 2 is formed, first at a low speed and then at a higher speed.
情報記録層3を形成した後約80℃で15分乃至20分
ベーキンダし、有機溶剤を蒸発させlI−後冷却させる
。有機溶剤が残って−ると信号記録時にシhてそれを蒸
発させる分だけ余分なパワーを41pHとすることKな
カ、記録時のパワーが不足してbる場合はビットの成形
が充分に行なえず、また反応残渣が現われる原因ともな
る。また色素増感剤によっては有機溶剤を蒸発、乾燥さ
せ為とその時点において均一でなくなり、むらが出てく
るものがあるが、N−エチル−Nオキシエチルアニリン
にお込てはそのようなことけ′&い。After forming the information recording layer 3, it is baked at about 80° C. for 15 to 20 minutes to evaporate the organic solvent and cooled after lI. If any organic solvent remains, use extra power to 41 pH to evaporate it during signal recording.If the power during recording is insufficient, make sure to mold the bits sufficiently. This also causes reaction residue to appear. Also, depending on the dye sensitizer, the organic solvent evaporates and dries, and at that point it becomes non-uniform and becomes uneven, but this is not the case with N-ethyl-Noxyethylaniline. celebrate.
このよう(して情報記銀M3を形成したV信号を記録す
る所謂マスメリングの工程に移る。The process then proceeds to a so-called mass-melting process in which the V signal formed in the information recording medium M3 is recorded.
情報記録層3を形成した原盤を例えば線速#l。For example, the master disc on which the information recording layer 3 is formed is at a linear velocity of #l.
25脂/Sで回転させ、波長が456.1nmのアルゴ
ンレーずを1例えばオーディオ信号をEFM(Eigh
t−To−Fourteen Modu/at ion
) した信号で変調して情報記録層3儒から情報記銀
層3上に照射する。するとレーずビームが照射1れた部
分は色素増感剤がアルゴンレーザの波長に対して著し込
吸収性を有するためその熱により昇華することになる。For example, an audio signal can be converted into an EFM (Eight
t-To-Fourteen Mod/ation
) is modulated with a signal and irradiates the information storage layer 3 from the information storage layer 3 onto the information storage layer 3. Then, the portion irradiated with the laser beam is sublimed by the heat because the dye sensitizer has a significant absorption property for the wavelength of the argon laser.
またニドミセルロースが混合されているためその自己酸
化効果によ)ニトロセルロースも昇華する一方色素増感
剤の昇華も助長され、J1図に示す如くビット4が形成
される。アルゴンレーザが照射されない部分5Fiその
tま残ることになる。色素増感剤が著し込吸収性を呈す
る波長帯の光が所定闇値以上のレベルで照射されない限
9この昇華現象は生じなりから、マスタリング工程のみ
門らず原盤の保存、取扱いは明室で可能である。Furthermore, since nitrocellulose is mixed, due to its self-oxidation effect, the nitrocellulose also sublimates, while the sublimation of the dye sensitizer is also promoted, forming bits 4 as shown in Figure J1. A portion 5Fi that is not irradiated with the argon laser remains. This sublimation phenomenon will not occur unless light in the wavelength band in which the dye sensitizer exhibits significant absorption is irradiated at a level exceeding the specified darkness value9. Therefore, not only the mastering process but also the storage and handling of the master disc should be done in a bright room. It is possible.
このようにして信号を記録した原盤そのものを、情報記
録層3上和おける請出しパワーが約0、3 mWであり
、波長が631L8mmであるヘリウムネオンレーザを
利用した再生機にかけたところ再生が可能であった。そ
O再生J[mは定かではないが、使用した色素増感剤は
ヘリウムネオンレーずの波長に対しては殆んど吸収性を
有して−な−ため、少くと龜ピッ)4において反射光量
が増え、残部Sにおいて吸収され反射光量が減るといつ
えJIMK基〈ものではない(勿論読出し用にアルゴン
レーザを使用すればこの11111に基(再生が可能で
ある)。おそらくビット4#cおいては回折あるいは干
渉がおこ)反射光量が減食、残部5においては反射!I
X2により反射光量が増えることに基〈ものと思われる
。When the master disc itself on which the signal was recorded in this way is run through a regenerator using a helium-neon laser with a power output of approximately 0.3 mW on the information recording layer 3 and a wavelength of 631L8mm, it can be reproduced. Met. SoO regeneration J [m is not certain, but the dye sensitizer used has almost no absorption for the wavelength of the helium neon laser, so it is at least a bit off) in 4. If the amount of reflected light increases and the amount of reflected light decreases because it is absorbed by the remaining part S, it is not a JIMK base (of course, if an argon laser is used for reading, it is based on this 11111 (reproduction is possible). Probably bit 4#c Diffraction or interference occurs in the remaining part 5) The amount of reflected light is reduced, and in the remaining part 5, it is reflected! I
This seems to be due to the fact that the amount of reflected light increases due to X2.
−ずれ虻してもヘリウムネオンレーザにて再生が可能で
あるということは実用上重要である、けだしアルゴンレ
ーずの場合は冷却装置等が必要となり大量かヤとなって
、民生用の再生機tIcFiとても利用できないのであ
るが、ヘリウムネオンレーザにおいては充分民生用の再
生機に利用可能(現に市販されて゛いる)であるからで
ある。このことは本−明の情報記録板はさらに波長0長
−半導体レーザを用いても再生が可能であることを意味
する。- It is practically important that even if the argon laser is used, it can be regenerated using a helium-neon laser.However, in the case of an argon laser, a cooling device, etc. is required, resulting in a large amount of waste. However, helium-neon lasers can be used in consumer regenerators (currently on the market). This means that the information recording plate of the present invention can be further reproduced using a zero-wavelength semiconductor laser.
ニド四セルロースと色素増感剤との重量分率を86.5
対13.5とした場合、情報記銀層3上における記録パ
ワーを変化させて記録した原盤をそのままヘリウムネオ
ンレーずを使用した再生機にて再生し、再生RF信号の
レベル、アイパターンの位置、−30秒当りの平均エラ
ー率(10分乃至50分程度の平均)の変化を検査した
ところ、次表の如くになった。The weight fraction of nidotetracellulose and dye sensitizer was 86.5.
In the case of 13.5, the master disk recorded by changing the recording power on the information storage layer 3 is played back as it is with a playback machine using a helium neon laser, and the level of the playback RF signal and the position of the eye pattern are When the change in the average error rate per -30 seconds (average for about 10 to 50 minutes) was examined, the results were as shown in the following table.
泣
これに対してフォトレジスFを現像してビットを形成し
た後フォトレジスト全面に金属の反射属を被覆し九原盤
を再生した場合は、RFレベルは1000乃至1300
mVpp、アイパターンは中央乃至中央やや下、エラー
率は10台である。すなわち本発明による情報記録板に
お込ては記録パワーを適度(2,8乃至龜OmW)K選
定すると従来の7オトレジストを使用した場合よ)エラ
ー率を1桁向上させることができる。On the other hand, if the photoresist F is developed to form bits and then the entire surface of the photoresist is coated with a reflective metal and the nine original disc is reproduced, the RF level will be between 1000 and 1300.
mVpp, eye pattern is in the center or slightly below center, and error rate is in the 10s. That is, in the information recording plate according to the present invention, if the recording power is selected to be moderate (2.8 to 0.0 mW), the error rate can be improved by one order of magnitude (compared to when the conventional 7-otoresist is used).
このことはそれだけ正確に信号が記録されていることを
意味する。さらにマスタリング後直ちに再生しても46
(lnW乃至550mWのh生RF信号レベルを得るこ
とができ、アイノ(ターンの位置も中央よ〕やや下であ
るから信号の読出しも容品であ〕、モニターができるこ
とは勿論、ビット形成時に反応残渣が出て情報記録層3
上に散在すると−ったことがないので実用上充分&SN
を有す為1枚の情報記録板としてそのまま便用に供する
ことが可能である。This means that the signal is recorded more accurately. Furthermore, even if you play it immediately after mastering, it will be 46
(A raw RF signal level of lnW to 550mW can be obtained, and the signal readout is also excellent since the turn position is slightly below the center.) Not only can it be monitored, but it can also react when forming bits. Residue comes out and information recording layer 3
I have never had it scattered on the top, so it is sufficient for practical use & SN
Therefore, it can be used as a single information recording board for convenience.
またさ&に情報記銀層3上に蒸着、スノくツタリング、
無電解メッキ等によ)銀等の金属を導電体層として被覆
し、さらKその上に剥離剤を被覆した稜電鋳等によ〕ニ
ッケル等の金属を被横し、jj盤よりニッケル等の金属
を剥離してそれをスタンパとすることができる。(勿論
この金属盤をマスター盤とし%マザー盤を得て、さらに
サブマスター盤を作ってこれをスタンハトしてもよい。Also, vapor deposition on the information recording silver layer 3,
A metal such as silver is coated as a conductive layer (by electroless plating, etc.), and then a metal such as nickel (by electroforming, etc.) is coated on top of it as a conductive layer, and then a metal such as nickel is coated from the jj board. The metal can be peeled off and used as a stamper. (Of course, you can use this metal disc as a master disc to obtain a % mother disc, and then create a submaster disc and use it as a stunt pigeon.
)スタンパをもとKして量産するレプリカは、その材料
を適宜選定することKより、光学式、静電容量式、圧電
式等のピックアップにて読出し可能な情報記銀板とする
ことができる。) Replicas mass-produced from a stamper can be made into information-recording silver plates that can be read by optical, capacitive, piezoelectric, etc. pickups by selecting appropriate materials. .
さらに本発明による原盤はマスタリング時にあるいはマ
スタリング終了時直ち(モニターして不合格であること
が判明した場合勢には直ちにマスタリングを中止し、有
機溶剤を記録層3上にかければ容易に記録層3を除去す
ることができ、有機溶剤を振〕きった後その鳳11#I
C直ちに新しい記録層3を形成することができる。こノ
コトは、フォトレジストO場合社再び基盤向を研摩し直
した後フォトレジストを被覆しな匹と基盤面が荒れて8
Nが悪くなるのを考慮すると、本発明O情報記録1ji
I&より実用的であることを意味する。と0場合の有機
溶剤としては、キシレンでもよ−が、乾燥速度かこのよ
うな用過O場合にシーてはよシ早り方が好まし員ので、
fl克ばアセトyを用するとより0
また本発鳴IIcおいては、モニターが不要である場合
は、基IIIK対して直接記録層3を形成オーディオ信
号、ビデオ信号等に限られるもの”t’#i& <%そ
の情報記録&はビデオディスク。Furthermore, the master disc according to the present invention can easily be used during mastering or immediately after mastering is completed (if it is found that the mastering has failed by monitoring, mastering is immediately stopped, and an organic solvent is poured over the recording layer 3). 3 can be removed, and after shaking off the organic solvent, the Otori 11#I
C. A new recording layer 3 can be formed immediately. In the case of photoresist O, after polishing the substrate again, the surface of the substrate became rough because the photoresist was not coated.
Considering that N becomes worse, the present invention O information record 1ji
I& means more practical. Xylene may be used as the organic solvent in the case of 0, but it is preferable to use it quickly due to the drying speed.
In addition, in the main generation IIc, if a monitor is not required, the recording layer 3 is formed directly on the base IIIK.It is limited to audio signals, video signals, etc. #i&<%The information recording& is a video disc.
PCMオーディオディスク等以外にも応用可能である。It can also be applied to other than PCM audio discs.
図Fil/%ずれ一本発明に係、す、IE1図は情報記
銀板の断面図、篇2図り波棗に対する透過率の変化を表
わすグラフである。
1・−一基盤 2・・・・・・反射膜3・・・−
・情報記録層 4・・・・・・ビット5・・・・・・
残部
特許出願人
パイオニア株式会社
第1図
第2図
原長人(ルm)FIG. 1 is a cross-sectional view of an information recording silver plate, and FIG. 2 is a graph showing changes in transmittance with respect to a wave pattern. 1.- one base 2... reflective film 3...-
・Information recording layer 4...Bit 5...
Remaining patent applicant Pioneer Corporation Figure 1 Figure 2 Nagato Hara (Lem)
Claims (1)
%以上包含する材料を所定度に硝化してニトロセルロー
スヲ得%皺ニトロセルロースと色素増感剤とを所定の重
量分率にて有機溶剤に溶解させ、該二)o竜ル■−スと
該色素増感剤とを溶解した該有機溶剤を濾過し、濾過し
た紋有機溶剤を情報記銀層として略円形の基盤上にスビ
ンコートシ、オーディオ又はビデオ信号のうち少くとも
一方を含む信号によ)、該色素増感剤が著しい吸収性を
呈する波長のレーザビームを変調し、変調された該レー
ザビームを該情報記銀層上に照射してビットを形成する
ことを善黴とするディスクの製造方法。 (2)上記基盤上には上記レーずビームを反射する反射
膜を形成し、上記情報記銀層は上記反射膜O上Ic形成
することを特徴とする特許許請求のIls厘1項記載の
ディスクの製造方法。 (3)上記二トロセル田一スと上記色素増感剤とは舎々
別々#C岡一〇該有機溶剤κ溶解させたll,所定の重
量分率虻なるようκ各々を混合することを特徴とする上
記特許請求の範囲11項又は1112項記載のディスク
の製造方法。 (4)上記二トロセルロースと上記色素増感剤とを各々
別々に溶解させた該有機溶剤を、混合する鎗に各々濾過
するζとを特徴とする上記特許請求O範l8鎮3項記載
のディスクの製造方法。 (5)上記色素増感剤&;tNーエチルーNオキシエチ
ルアニダンであることを%像とする上記特許請求011
11算1項.IE2項,13項又けり4項記載のディス
クの製造方法。 {一上記しーずビームはアルゴンレーザビームであるこ
とを特徴とする上記特許請求の範囲*S*紀載のディス
クの製造方法。 (7)上記ニトロセルロースの硝化jl[13X以上で
あることを特徴とする特許 i!tl菖1項,第2項.鎮3項.菖4項,菖5項又は
第6項記載のディスクの製造方法。 (8)上記区セルロースの数平均重合fは80乃至95
であることを特徴とする上記特許請求の範囲第1項,鎮
2項,諺3項.鎮4項,菖5項.第6項又ti填7.i
[記載のディスクの製造方法。 (9)上記有機溶剤はキシレン又はキシレンとエチルセ
ロンルブアセテートであることを特徴とする上記特許請
求の範S菖1項.鎮2項。 第3項,@4項.第5項1161i1171i又は第8
項記載のディスタの製造方法。 四 所定の数平均重合度を有するIIL−にルロースを
97X以上包含する材料を所定度κ硝化してニトロセル
ロースを得、該二トロ毫ルロースと色素増感剤とを所定
の重量分車κて有機溶剤に溶解させ、該二ト■セルロー
.スと該色素増感剤とを溶解した該有機溶剤を漉遇し、
略円形のガラスよ)なる基盤上κ反射膜を形成し,該反
射膜上κ濾過した該有機溶剤をスビンコーFし、オーデ
ィオ又はビデオ信号のうち夕〈とも一方を含む信号κよ
〕、該色素増感剤が著し−1に1iL特性を呈する波長
のレーずビー▲を責謁し、変調された該レーザビー▲を
該情報記録層上κ照射してビットを形成し,該ビットを
形成した該情報記録層上に導電体層を形成し、皺導電体
層上κニッケル等の金属膜を形成し,該金属膜を剥離し
て該金属膜κ形成された記録情報を他の部材κ転写する
ことを特徴とするディスクの製造方法。 軸 上記導電体層は蒸着,スパッタリング.無電解メッ
キ等によ)形成し、上配金II4IIXIIi電鋳によ
)形成することを特徴とする上記特許請求01ialK
10項記載のディスクの製造力先 、1。[Claims] (1) 1 cellulose having a predetermined number average degree of polymerization is 97
Nitrocellulose is obtained by nitrifying the material containing % or more to a predetermined degree.The nitrocellulose and the dye sensitizer are dissolved in an organic solvent at a predetermined weight fraction, and The organic solvent in which the dye sensitizer is dissolved is filtered, and the filtered organic solvent is coated on a substantially circular substrate as an information recording layer (by a signal containing at least one of an audio signal or a video signal). , manufacturing a disk by modulating a laser beam with a wavelength at which the dye sensitizer exhibits significant absorption, and irradiating the modulated laser beam onto the information recording silver layer to form bits. Method. (2) A reflective film for reflecting the laser beam is formed on the substrate, and the information recording silver layer is formed on the reflective film O. Disc manufacturing method. (3) The above-mentioned Nitrocell chloride and the above-mentioned dye sensitizer are separately dissolved in the organic solvent, and each is mixed in a predetermined weight fraction. A method for manufacturing a disk according to claim 11 or 1112. (4) The organic solvent in which the nitrocellulose and the dye sensitizer are dissolved separately is filtered through a mixing spoon. Disc manufacturing method. (5) The above patent claim 011 whose percentage image is that the dye sensitizer is &;tN-ethyl-Noxyethylanidan
11 Arithmetic 1 term. A method for manufacturing a disk as described in IE Sections 2 and 13, Paragraph 4. {1. The method for manufacturing a disk according to claim *S*, wherein the sheath beam is an argon laser beam. (7) Patent i! characterized in that the nitrification of the nitrocellulose is 13X or more! tl irises 1st term, 2nd term. Chin Section 3. A method for manufacturing a disk according to Iris section 4, Iris section 5, or Iris section 6. (8) The number average polymerization f of the above cellulose is 80 to 95
Claims 1, 2, and 3 are characterized in that: Chin 4, Iris 5. Section 6 and fill-in 7. i
[Method for manufacturing the disc described. (9) Paragraph 1 of the above patent claim, wherein the organic solvent is xylene or xylene and ethylseron rub acetate. Section 2 of Chin. Section 3, @ Section 4. Section 5 1161i1171i or Section 8
Method for manufacturing the Dista described in Section. (4) Nitrocellulose is obtained by nitrifying a material containing 97X or more of lullose in IIL having a predetermined number average polymerization degree to a predetermined degree, and adding the nitrocellulose and a dye sensitizer to a predetermined weight. Dissolve the cellulose in an organic solvent. straining the organic solvent in which the dye sensitizer and the dye sensitizer are dissolved;
A κ-reflecting film is formed on a substrate made of approximately circular glass, and the filtered organic solvent is subjected to Svinco F, and a signal κ containing one of the audio or video signals is mixed with the dye. The sensitizer produced laser beam ▲ of a wavelength exhibiting a 1 iL characteristic at -1, and the modulated laser beam ▲ was irradiated with κ onto the information recording layer to form a bit. A conductor layer is formed on the information recording layer, a metal film such as nickel is formed on the wrinkled conductor layer, and the metal film is peeled off to transfer the recorded information formed on the metal film to another member. A method for manufacturing a disc, characterized by: Axis The above conductive layer is deposited or sputtered. The above-mentioned patent claim 01ialK is characterized in that it is formed (by electroless plating, etc.) and formed by upper metal II4IIXIIi electroforming.
Manufacturer of the disc described in item 10, 1.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56161126A JPS5862844A (en) | 1981-10-09 | 1981-10-09 | Production of disc |
US06/425,397 US4582776A (en) | 1981-10-09 | 1982-09-28 | Information recording disc having light absorbing cellulose nitrate coating |
DE3237236A DE3237236C2 (en) | 1981-10-09 | 1982-10-07 | Information recording disc and method for making the same |
GB08228953A GB2109270B (en) | 1981-10-09 | 1982-10-11 | Information recording disc and process of producing the disc |
US06/794,409 US4663267A (en) | 1981-10-09 | 1985-11-04 | Process of producing information recording disc |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56161126A JPS5862844A (en) | 1981-10-09 | 1981-10-09 | Production of disc |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5862844A true JPS5862844A (en) | 1983-04-14 |
JPH0318261B2 JPH0318261B2 (en) | 1991-03-12 |
Family
ID=15729091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56161126A Granted JPS5862844A (en) | 1981-10-09 | 1981-10-09 | Production of disc |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5862844A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58222452A (en) * | 1982-06-17 | 1983-12-24 | Pioneer Electronic Corp | Manufacture of disk |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4843632A (en) * | 1971-09-30 | 1973-06-23 | ||
JPS5586787A (en) * | 1978-12-22 | 1980-06-30 | Nec Corp | Laser recording film |
JPS5587595A (en) * | 1978-12-27 | 1980-07-02 | Nec Corp | Laser recording film |
JPS5593488A (en) * | 1979-01-10 | 1980-07-15 | Nec Corp | Laser recording film |
-
1981
- 1981-10-09 JP JP56161126A patent/JPS5862844A/en active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4843632A (en) * | 1971-09-30 | 1973-06-23 | ||
JPS5586787A (en) * | 1978-12-22 | 1980-06-30 | Nec Corp | Laser recording film |
JPS5587595A (en) * | 1978-12-27 | 1980-07-02 | Nec Corp | Laser recording film |
JPS5593488A (en) * | 1979-01-10 | 1980-07-15 | Nec Corp | Laser recording film |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58222452A (en) * | 1982-06-17 | 1983-12-24 | Pioneer Electronic Corp | Manufacture of disk |
JPH0345459B2 (en) * | 1982-06-17 | 1991-07-11 | Pioneer Electronic Corp |
Also Published As
Publication number | Publication date |
---|---|
JPH0318261B2 (en) | 1991-03-12 |
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