JPH05188826A - Particle rotating type recording method - Google Patents
Particle rotating type recording methodInfo
- Publication number
- JPH05188826A JPH05188826A JP4023158A JP2315892A JPH05188826A JP H05188826 A JPH05188826 A JP H05188826A JP 4023158 A JP4023158 A JP 4023158A JP 2315892 A JP2315892 A JP 2315892A JP H05188826 A JPH05188826 A JP H05188826A
- Authority
- JP
- Japan
- Prior art keywords
- fine particles
- recording
- energy
- substance
- particles
- 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
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、粒子回転型記録方法に
関するものであり、詳しくは、新規な原理を利用するこ
とにより、特に、複写機、プリンタ、ファクシミリ等の
ＯＡ端末機における記録等に極めて有利に使用できる粒
子回転型記録方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a particle rotation type recording method, and more specifically, by utilizing a novel principle, it is particularly suitable for recording in OA terminals such as copiers, printers and facsimiles. The present invention relates to a particle rotation type recording method which can be used very advantageously.
【０００２】[0002]
【従来の技術】ＯＡ端末機の急激な普及により、各種の
記録方法が発展して幅広く利用されている。そして、従
来の記録方法は、普通紙対応として、電子写真方式、感
熱転写方式、インクジェット方式などが知られ、特殊紙
対応として、感熱紙による発色記録方式などが知られて
いる。2. Description of the Related Art With the rapid spread of OA terminals, various recording methods have been developed and widely used. As a conventional recording method, an electrophotographic method, a thermal transfer method, an inkjet method, and the like are known as compatible with plain paper, and a color recording method with thermal paper is known as compatible with special paper.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、上記の
記録方法は、何れも、一回限りの記録しか出来ず、書き
換えや記録消去が出来ない。このため、記録した紙の再
生に当たっては、古紙回収や再生処理に極めて多大の労
力と費用を必要とする。本発明は、上記実情に鑑みなさ
れたものであり、その目的は、記録紙の多数回使用が可
能な記録方法を提供することにある。However, in any of the above recording methods, recording can be performed only once, and rewriting and recording erasure cannot be performed. Therefore, in recycling the recorded paper, extremely large amount of labor and cost are required for collecting and recycling used paper. The present invention has been made in view of the above circumstances, and an object thereof is to provide a recording method capable of using a recording paper many times.
【０００４】[0004]
【課題を解決するための手段】すなわち、本発明の要旨
は、付与するエネルギーにより粘性が低下する物質にて
全体が包囲され且つ表面の一部の電気的性質と反射率と
が他の部分と異なる微粒子を支持体上に保持して記録媒
体を構成し、当該記録媒体に微粒子の包囲物質の粘性を
低下させ得るエネルギーを付与すると共に静電場を作用
させて包囲物質中の微粒子を一定方向に回転させ、次い
で、上記のエネルギーの付与を中止して微粒子を包囲物
質中に固定することを特徴とする粒子回転型記録方法に
存する。That is, the gist of the present invention is that the whole is surrounded by a substance whose viscosity is reduced by the applied energy, and the electric properties and reflectance of a part of the surface are different from those of the other part. A recording medium is formed by holding different fine particles on a support, and energy is applied to the recording medium to reduce the viscosity of the enclosing substance of the fine particles, and an electrostatic field is applied to cause the fine particles in the enclosing substance to move in a certain direction. In the particle rotation type recording method, the particles are rotated, and then the application of the energy is stopped to fix the fine particles in the surrounding substance.
【０００５】以下、本発明を詳細に説明する。本発明に
おいては、付与するエネルギーにより粘性が低下する物
質にて全体が包囲され且つ表面の一部の電気的性質と反
射率とが他の部分と異なる微粒子を支持体上に保持して
記録媒体を構成する。The present invention will be described in detail below. In the present invention, a recording medium in which fine particles, which are wholly surrounded by a substance whose viscosity is reduced by applied energy, and whose electric properties and reflectance of a part of the surface are different from those of the other part, are held on a support. Make up.
【０００６】先ず、付与するエネルギーにより粘性が低
下する物質について説明する。上記の物質は、後述の微
粒子を包囲し、常態においては固体ないしは高粘性を呈
して微粒子を固定し、エネルギー付与状態においては低
粘性を呈して微粒子の回転を可能とする。上記の物質
（以下、「包囲用物質」と言う）としては、当該物質の
粘性低下のために付与されるエネルギーの種類により各
種の物質を利用することが出来る。例えば、熱エネルギ
ーの場合は、熱による粘性低下の大きな物質、代表的に
は、各種のワックス類が使用される。そして、後述の記
録時に適切なレベルのエネルギーを付与することによ
り、約１０ｃｐｓ以下の粘度を呈し、当該エネルギー付
与の中止により、後述の微粒子を十分固定し得る程度の
粘度に上昇し得る必要がある。上記のワックス類は、通
常、常温では固体であり、８０℃程度の加熱により約２
〜４ｃｐｓの液体となる。First, a substance whose viscosity is reduced by the applied energy will be described. The above-mentioned substance surrounds the below-mentioned fine particles, exhibits solid or high viscosity in the normal state to fix the fine particles, and exhibits low viscosity in the energy-applied state to enable rotation of the fine particles. As the above-mentioned substance (hereinafter, referred to as “enveloping substance”), various substances can be used depending on the type of energy applied to reduce the viscosity of the substance. For example, in the case of thermal energy, a substance having a large decrease in viscosity due to heat, typically various waxes, is used. Then, by applying an appropriate level of energy at the time of recording to be described later, it is necessary to exhibit a viscosity of about 10 cps or less, and by stopping the application of the energy, it is possible to increase the viscosity to such an extent that the fine particles to be described later can be sufficiently fixed. .. The above waxes are usually solid at room temperature and are heated to about 80 ° C.
~ 4 cps liquid.
【０００７】次に、表面の一部の電気的性質と反射率と
が他の部分と異なる微粒子について説明する。ここに、
電気的性質が異なるとは、静電場に微粒子を置いた際に
各部分に作用する力の大きさが異なることを意味する。
また、反射率が異なるとは、一方向からの光に対する吸
収・反射の程度が異なることを意味し、反射率を異なら
せるためには、特定のスペクトルの吸収によって生じる
有彩色の他、全スペクトルの吸収または反射で生じる黒
または白の無彩色を利用することが出来る。従って、上
記の微粒子は、エネルギー及び静電場の作用により一定
方向に配列固定され、表示体としての機能を果たす。Next, a description will be given of fine particles in which the electric properties and reflectance of a part of the surface are different from those of the other part. here,
Different electrical properties mean different magnitudes of forces acting on each part when the particles are placed in an electrostatic field.
Also, different reflectance means that the degree of absorption / reflection for light from one direction is different.To make the reflectance different, in addition to the chromatic color generated by absorption of a specific spectrum, the entire spectrum The black or white achromatic color generated by the absorption or reflection of can be used. Therefore, the fine particles are arrayed and fixed in a certain direction by the action of energy and an electrostatic field, and serve as a display body.
【０００８】上記の微粒子（以下、「記録用微粒子」と
言う）の製作には、通常、０．５〜１００μｍの粒径の
微粒子が素材として使用され、そして、当該微粒子の表
面の一部に例えば帯電性を付与する着色剤を塗工するこ
とにより記録用微粒子とすることが出来る。具体的に
は、例えば、マイクロビーズとして市販されている、粒
径２〜２０μのソーダー石灰ガラスや低アルカリガラス
（例えば、Ｌｉ2 Ｏ・ＴｉＯ2 ・ＳｉＯ2 系ガラス）の
球状微粒子を素材とし、これらの負帯電性微粒子の半球
表面に正帯電性着色剤を塗工する。In the production of the above-mentioned fine particles (hereinafter referred to as "recording fine particles"), fine particles having a particle size of 0.5 to 100 μm are usually used as a raw material, and a part of the surface of the fine particles is used. For example, recording fine particles can be obtained by applying a colorant that imparts electrostatic properties. Specifically, for example, spherical fine particles of soda-lime glass or low-alkali glass (for example, Li 2 O / TiO 2 / SiO 2 glass) having a particle size of 2 to 20 μ, which are commercially available as micro beads, are used as a material, A positively chargeable coloring agent is applied to the hemispherical surface of these negatively chargeable fine particles.
【０００９】上記の正帯電性着色剤としては、例えば、
ニグロシン等のアジン系電子供与性化合物、ジフェニル
メタン、トリフェニルメタン類等の塩基性染料が使用さ
れる。また、正帯電性付与剤としては、ポリピロール、
ポリチオフェン、ポリアニリン等の導電性化合物を利用
することも出来る。正帯電性微粒子を素材とした場合、
負帯電性着色剤としては、直接性染料、含金属アゾ系色
素、フタロシアニン誘導体等が使用し得る。Examples of the positively chargeable colorant include, for example,
An azine-based electron-donating compound such as nigrosine and a basic dye such as diphenylmethane or triphenylmethane are used. Further, as the positive charging agent, polypyrrole,
Conductive compounds such as polythiophene and polyaniline can also be used. When using positively charged fine particles as the material,
As the negatively chargeable colorant, a direct dye, a metal-containing azo dye, a phthalocyanine derivative or the like can be used.
【００１０】記録用微粒子は、粘性の低下された状態の
包囲用物質中で回転し得る限り、球状である必要はな
い。例えば、包囲用物質を厚く適用することにより、楕
円形状、円柱形状等の微粒子を利用することも出来る。
また、球状微粒子を使用する場合、着色剤の塗工は、必
ずしも半球表面の全体に亙って行う必要はなく一部につ
いて行うことも出来る。通常、包囲用物質および後述の
支持体は、微粒子の非塗工部分と同色であり、従って、
微粒子は、その一部の塗工部分のみで表示体としての機
能を果たすことが出来る。The recording particles do not have to be spherical as long as they can roll in the surrounding material in a reduced viscosity. For example, by applying the surrounding material thickly, fine particles having an elliptical shape, a cylindrical shape, or the like can be used.
When spherical fine particles are used, the coating of the colorant does not necessarily have to be performed over the entire surface of the hemisphere, but can be performed for a part thereof. Usually, the enveloping substance and the below-mentioned support have the same color as the uncoated portion of the fine particles, and therefore,
The fine particles can function as a display body only with a part of the coating.
【００１１】また、記録用微粒子は、上記の他、次の方
法によっても得ることが出来る。例えば、帯電序列の異
なる２種のポリマーの何れか一方に着色剤を配合して共
押出法により繊維状に押し出し、両者がほぼ球半分同士
で合体した繊維となし、これを裁断して微細な円柱体と
する。更にまた、記録用微粒子としては、この様な粒子
として従来より知られている粒子回転ディスプレー用微
粒子なども使用できる。すなわち、特開昭６３−４０１
８６号公報に記載された樹脂微粒子や特開昭５８−１２
２５１９号公報あるいは特開昭５８−１２３５７９号公
報に記載された無機粒子などが利用できる。特に、ガラ
ス球の半球表面に先ずＭｇＦ2 を蒸着し、次いで、Ｓｂ
2 Ｓ3 を積層蒸着した無機粒子は好適に利用することが
できる。In addition to the above, the recording fine particles can be obtained by the following method. For example, a colorant is blended with either one of two polymers having different charging orders and extruded into a fiber by a co-extrusion method, and both are made into spheres that are united with each other into spheres. It is a cylinder. Furthermore, as the fine particles for recording, fine particles for particle rotation display conventionally known as such particles can be used. That is, JP-A-63-401
86 and the resin fine particles described in JP-A-86-12.
Inorganic particles described in JP-A No. 2519 or JP-A No. 58-123579 can be used. In particular, MgF 2 was first deposited on the hemispherical surface of the glass sphere, and then Sb
Inorganic particles obtained by layer-depositing 2 S 3 can be preferably used.
【００１２】包囲用物質としてワックス類を使用する場
合、上記の記録用微粒子は、先ず、ワックス類で包囲さ
れ、次いで、必要に応じて、マイクロカプセル化され
る。記録用微粒子のワックス類による包囲は、例えば、
記録用微粒子を流動させながら溶融ワックス類をスプレ
ーするスプレーコート法や記録用微粒子を溶融ワックス
類中に浸漬する浸漬コート法などの公知のコート手段を
利用して行なうことが出来る。また、マイクロカプセル
化は、適宜の材料を使用し、公知の技術を利用して行な
うことが出来る。包囲用物質の厚さは、記録用微粒子の
形状にもよるが、実質的に球状の微粒子の場合は、通
常、１〜２００μｍの範囲とされる。When waxes are used as the surrounding substance, the recording fine particles are first surrounded by the waxes, and then, if necessary, microencapsulated. Surrounding the recording fine particles with waxes is, for example,
It can be carried out by using a known coating means such as a spray coating method of spraying the molten wax while flowing the recording fine particles and a dip coating method of immersing the recording fine particles in the molten wax. Further, the microencapsulation can be performed by using a known material using an appropriate material. The thickness of the surrounding substance depends on the shape of the recording fine particles, but in the case of substantially spherical fine particles, it is usually in the range of 1 to 200 μm.
【００１３】包囲用物質にて包囲された記録用微粒子
は、適当な支持体に固定されて記録媒体となる。支持体
としては、公知の各種の紙を好適に利用することが出来
る。そして、支持体への固定は、例えば、上記の記録用
微粒子を適当な水溶性バインダーと共に紙表面上に塗工
乾燥するか、または、抄紙工程に配合し紙層中に梳き込
む方法が好適に採用される。そして、通常、記録用微粒
子は、１万〜２００万個／ｃｍ2 の濃度となるように調
節される。The recording fine particles surrounded by the enveloping substance are fixed on an appropriate support to form a recording medium. As the support, various known papers can be preferably used. Then, for fixing to the support, for example, a method in which the above recording fine particles are coated and dried on a paper surface together with a suitable water-soluble binder, or a method of blending in the paper making step and combing into the paper layer is preferable. Adopted. Then, usually, the fine particles for recording are adjusted to have a concentration of 10,000 to 2,000,000 particles / cm 2 .
【００１４】本発明の粒子回転型記録方法においては、
上記のように構成された記録媒体を使用し、当該記録媒
体に包囲用物質の粘性を低下させ得るエネルギーを付与
すると共に静電場を作用させて包囲用物質中の記録用微
粒子を一定方向に回転させ、次いで、上記のエネルギー
の付与を中止して記録用微粒子を包囲用物質中に固定す
る。そして、斯かる記録用微粒子の固定により、保存性
の高い記録画像を得ることが出来る。In the particle rotation type recording method of the present invention,
Using the recording medium configured as described above, the recording medium in the surrounding substance is rotated in a certain direction by applying energy capable of lowering the viscosity of the surrounding substance to the recording medium and applying an electrostatic field. Then, the application of the energy is stopped and the recording fine particles are fixed in the surrounding substance. Then, by fixing such recording fine particles, it is possible to obtain a recorded image with high storage stability.
【００１５】[0015]
【実施例】以下、本発明を実施例により更に詳細に説明
するが、本発明は、その要旨を超えない限り、以下の実
施例に限定されるものではない。 実施例１ （１）記録用微粒子Ａの製造 厚さ約３μｍの耐熱性アクリル系粘着層を設けたガラス
基体上に平均粒径が約６μｍのソーダー石灰ガラスより
成るマイクロビーズ（東芝バロティーニ（株）製、商品
名「ＭＢ−１０」）をその一部が埋没するように圧着し
た。次いで、上記のマイクロビーズの表面上をニグロシ
ン（オリエント化学工業（株）製、商品名「ボントロン
Ｎ−０９」）のクロロホルム飽和溶液を塗布したのち乾
燥した。その後、粘着層からマイクロビーズを剥がし取
り、ほぼ半球表面が正帯電性の黒色に着色され、残余が
負帯電性である微粒子Ａを得た。EXAMPLES The present invention will be described in more detail with reference to examples below, but the present invention is not limited to the following examples unless it exceeds the gist thereof. Example 1 (1) Production of Recording Fine Particles A Microbeads made of soda-lime glass having an average particle size of about 6 μm (Toshiba Ballotini Co., Ltd.) on a glass substrate provided with a heat-resistant acrylic adhesive layer having a thickness of about 3 μm. Product name "MB-10") manufactured by the company was crimped so that a part of the product was buried. Next, the surface of the above microbeads was coated with a saturated chloroform solution of nigrosine (manufactured by Orient Chemical Industry Co., Ltd., trade name "Bontron N-09") and then dried. After that, the microbeads were peeled off from the adhesive layer, and fine particles A were obtained in which the surface of the approximately hemisphere was colored positively charged black and the rest was negatively charged.
【００１６】（２）記録媒体の製造 先ず、微粒子Ａの表面に界面活性剤（Ａｅｒｏｓｏｌ
ＯＴ）を０．１重量％含有するワックス（融点：５０℃
のパラフィンワックス、日本精蝋（株）製）をコートし
た。次いで、ポリビニルアルコール（日本合成化学工業
（株）製、商品名「ゴーセノールＧＬ−０３」）の５重
量％水溶液中に上記のワックスコート微粒子Ａを加えて
分散した。ワックスコート微粒子Ａの配合比は、ポリビ
ニルアルコールに対して２５重量％になるように調整し
た。次いで、得られた分散液をバーコーターにより紙面
上に乾燥膜厚が約２０μｍになるように塗布したのち乾
燥して記録媒体を得た。(2) Manufacture of recording medium First, a surfactant (Aerosol) is formed on the surface of the fine particles A.
Wax containing 0.1% by weight of OT (melting point: 50 ° C.)
Paraffin wax manufactured by Nippon Seiro Co., Ltd. Then, the above wax-coated fine particles A were added to and dispersed in a 5% by weight aqueous solution of polyvinyl alcohol (manufactured by Nippon Synthetic Chemical Industry Co., Ltd., trade name "Gothenol GL-03"). The compounding ratio of the wax-coated fine particles A was adjusted to be 25% by weight with respect to polyvinyl alcohol. Next, the obtained dispersion was applied on a paper surface by a bar coater so that the dry film thickness was about 20 μm, and then dried to obtain a recording medium.
【００１７】（３）記録評価 上記で得られた記録媒体を被転写材として使用し、複写
機（小西六写真工業（株）製、商品名「Ｕ−Ｂｉｘ
Ｔ」）による記録評価を実施した。すなわち、上記の複
写機のドラムは、負帯電性であり、従って、負帯電とな
った画線部に微粒子Ａの正帯電性の黒色面が回転配向し
て文字を記録することが出来るか否かを確認した。先
ず、上側が正で下側が負に帯電した２段構成の１００℃
に加熱したロール間に被転写材を通過させて微粒子Ａを
回転可能状態とした後、原稿として白色画像を複写し被
転写材の全面を白色状態とした。次いで、被転写材を上
記の複写機のドラムと接触させて通常の複写を実施した
のち室温まで冷却した。その結果、配列された微粒子Ａ
の黒色による十分な精度の記録画像を形成することが出
来た。次いで、記録画像を形成した被転写材を上記の加
熱ロール間に通過させた。その結果、微粒子Ａが回転し
て元の白色状態となった。(3) Recording Evaluation Using the recording medium obtained above as a material to be transferred, a copying machine (manufactured by Konishi Rokusha Kogyo KK, trade name "U-Bix") is used.
T ”) was used for recording evaluation. That is, the drum of the above copying machine is negatively charged, and therefore, the positively charged black surface of the fine particles A is rotationally oriented in the negatively charged image area to record characters. I confirmed. First, the two-stage 100 ° C, where the upper side is positive and the lower side is negatively charged.
After the transfer material was passed between the rolls heated to 1, the fine particles A were made rotatable, a white image was copied as an original, and the entire surface of the transfer material was made white. Next, the material to be transferred was brought into contact with the drum of the above copying machine to carry out ordinary copying, and then cooled to room temperature. As a result, the arranged fine particles A
It was possible to form a recorded image with sufficient accuracy in black. Then, the transfer material having a recorded image formed thereon was passed between the heating rolls. As a result, the fine particles A rotated and returned to the original white state.
【００１８】実施例２ （１）記録用微粒子Ｂの製造 耐熱性アクリル系粘着層約２０μｍを設けたガラス基体
上に直径約５０μｍのＬｉ2 Ｏ・ＴｉＯ2 ・ＳｉＯ2 系
ガラス球を埋没するように圧着し、これを蒸着装置によ
り先ずＭｇＦ2 を０．５μｍの厚みになるよう蒸着し、
次いで、Ｓｂ2 Ｓ3 を０．５μｍの厚みになるよう積層
蒸着することにより、ほぼ半球表面が正帯電性の黒色に
着色され残余は負帯電性の微粒子Ｂを得た。 （２）記録媒体の製造および記録評価 実施例１と同様に記録媒体を製造して記録評価を行なっ
た。その結果、実施例１と同様に、記録画像を形成でき
且つ消去することが出来た。Example 2 (1) Production of Recording Fine Particles B A Li 2 O / TiO 2 / SiO 2 type glass sphere having a diameter of about 50 μm was embedded on a glass substrate provided with a heat resistant acrylic adhesive layer of about 20 μm. Then, it is pressure-bonded to, and MgF 2 is vapor-deposited to a thickness of 0.5 μm by the vapor deposition device.
Next, Sb 2 S 3 was laminated and vapor-deposited so as to have a thickness of 0.5 μm to obtain fine particles B in which substantially the surface of the hemisphere was colored positively charged black and the rest was negatively charged. (2) Production of Recording Medium and Evaluation of Recording The recording medium was produced and evaluated for recording in the same manner as in Example 1. As a result, as in the case of Example 1, a recorded image could be formed and erased.
【００１９】[0019]
【発明の効果】以上説明した本発明の粒子回転型記録方
法によれば、従来より知られている電子写真方式や感熱
記録方式のプリンターの簡単な改造により、記録紙の繰
り返し使用が可能である。According to the particle rotation type recording method of the present invention described above, recording paper can be repeatedly used by simply modifying a conventionally known printer of an electrophotographic type or a thermal recording type. ..
Claims (1)
る物質にて全体が包囲され且つ表面の一部の電気的性質
と反射率とが他の部分と異なる微粒子を支持体上に保持
して記録媒体を構成し、当該記録媒体に微粒子の包囲物
質の粘性を低下させ得るエネルギーを付与すると共に静
電場を作用させて包囲物質中の微粒子を一定方向に回転
させ、次いで、上記のエネルギーの付与を中止して微粒
子を包囲物質中に固定することを特徴とする粒子回転型
記録方法。1. A recording medium in which fine particles, which are wholly surrounded by a substance whose viscosity is reduced by applied energy, and whose electric properties and reflectance of a part of the surface are different from those of the other part, are held on a support. The recording medium is provided with energy capable of lowering the viscosity of the enclosing substance of the fine particles, and the electrostatic field is caused to rotate the fine particles in the enclosing substance in a certain direction, and then the application of the above energy is stopped. The particle rotation type recording method is characterized in that the fine particles are fixed in the surrounding substance by the above method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04023158A JP3083620B2 (en) | 1992-01-13 | 1992-01-13 | Particle rotation type recording method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04023158A JP3083620B2 (en) | 1992-01-13 | 1992-01-13 | Particle rotation type recording method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05188826A true JPH05188826A (en) | 1993-07-30 |
| JP3083620B2 JP3083620B2 (en) | 2000-09-04 |
Family
ID=12102797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP04023158A Expired - Fee Related JP3083620B2 (en) | 1992-01-13 | 1992-01-13 | Particle rotation type recording method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3083620B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11296111A (en) * | 1998-03-05 | 1999-10-29 | Xerox Corp | Flexible display |
-
1992
- 1992-01-13 JP JP04023158A patent/JP3083620B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11296111A (en) * | 1998-03-05 | 1999-10-29 | Xerox Corp | Flexible display |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3083620B2 (en) | 2000-09-04 |
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