JPS6052390A - Thermal recording medium - Google Patents
Thermal recording mediumInfo
- Publication number
- JPS6052390A JPS6052390A JP58160133A JP16013383A JPS6052390A JP S6052390 A JPS6052390 A JP S6052390A JP 58160133 A JP58160133 A JP 58160133A JP 16013383 A JP16013383 A JP 16013383A JP S6052390 A JPS6052390 A JP S6052390A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- recording medium
- film layer
- colored layer
- thin film
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/24—Ablative recording, e.g. by burning marks; Spark recording
Landscapes
- Thermal Transfer Or Thermal Recording In General (AREA)
Abstract
Description
【発明の詳細な説明】
発明の技術分野
本発明は、感熱記録媒体に係り、さらに詳しくは、感熱
記録層としての金属薄膜層と少なくとも二層の着色層と
が積層されてなる感熱記録媒体に関するもの、である。DETAILED DESCRIPTION OF THE INVENTION Technical Field of the Invention The present invention relates to a heat-sensitive recording medium, and more particularly to a heat-sensitive recording medium in which a metal thin film layer as a heat-sensitive recording layer and at least two colored layers are laminated. It is something.
発明の技術的背型ならびにその問題点
基体上に金属薄膜層が設けられ、この金属薄膜層をサー
マルヘッド、レーザービームなどの印字用加熱手段によ
って部分的に破壊することにより文字、図形などの可視
情報を記録するようにした感熱記録媒体は、従来知られ
ている。Technical details of the invention and its problems A metal thin film layer is provided on the substrate, and by partially destroying this metal thin film layer with a printing heating means such as a thermal head or laser beam, visible characters and figures can be printed. Thermosensitive recording media for recording information are conventionally known.
しかしながら、上記従来の感熱記録媒体には、次のよう
な問題がある。However, the conventional thermosensitive recording medium described above has the following problems.
一般に、媒体に記録された情報は、肉眼により視覚化さ
れるか、あるいは光学的に読取らｎる。Generally, information recorded on a medium is visualized with the naked eye or read optically.
ところが、上記従来の感熱記録媒体においては、記録さ
れた情報の視覚的ないし光学的な質が印字部（金属薄膜
層）と非印字部（基体）の光反射率の差、コントラスト
など罠より決定さ几、それゆえ印字情報の読取の容易化
、明確化あるいは審美的価値を向上しようとする場合、
基体材料の材質、物性、金属薄膜層材料の種類によって
必然的に規制されてしまい、所望の満足のい（ものを得
ることは必ずしも容易ではないという欠点がある。However, in the above-mentioned conventional heat-sensitive recording media, the visual or optical quality of recorded information is determined by traps such as the difference in light reflectance between the printed area (metal thin film layer) and the non-printed area (substrate), contrast, etc. Therefore, when trying to make printed information easier to read, clarify, or improve the aesthetic value,
It has the disadvantage that it is inevitably regulated by the material and physical properties of the substrate material and the type of metal thin film layer material, and it is not always easy to obtain the desired results.
また、従来の感熱記録媒体においては、記録情報を光学
的に読取る場合の読取精度が必ずしも良（はないという
問題がある。このことは、バーコードリーダにより、感
熱記録さ扛たバーコード情報を拡散光受光方式で読取る
場合に特に問題となる。すなわち、感熱記録層としての
金属薄膜層は通常鏡面状であるため、記録情報を読取る
際に、バーコードリーダ内圧設けられた光源からの光の
入射角によって読取受光部が受ける光の強度、量が太き
（変化し、そのために記録情報の精確な判定が困難にな
る場合が生ずる。このような読取精度の低下ないしばら
つきは、印字部（金属薄膜層）と非印字部（基体）の双
方が鏡面状である場合に特に著しい。In addition, in conventional thermal recording media, there is a problem that the reading accuracy when optically reading the recorded information is not always good.This means that barcode information printed thermally by a barcode reader can be This is especially a problem when reading using the diffused light reception method.In other words, since the metal thin film layer as the heat-sensitive recording layer is usually mirror-like, when reading recorded information, the light from the light source provided with the internal pressure of the barcode reader is The intensity and amount of light received by the reading light receiving section varies depending on the incident angle, which may make it difficult to accurately judge recorded information. Such decreases or variations in reading accuracy are caused by This is particularly noticeable when both the metal thin film layer) and the non-printing area (substrate) are mirror-like.
さらにまた、従来の感熱記録媒体は、基体と金属薄膜層
との間の接着性が必ずしも満足のいくものではない。Furthermore, in conventional thermosensitive recording media, the adhesion between the substrate and the metal thin film layer is not always satisfactory.
発明の目的
本発明は上記のような従来技術に伴う問題点を解決しよ
うとするものであり、以下のような目的を有する。OBJECTS OF THE INVENTION The present invention is intended to solve the problems associated with the prior art as described above, and has the following objects.
（ａ） 印字部と非印字部の光反射率の差としてのコン
トラストないし明度差、彩度差、色相差等を自由にｔｔ
！ｌ整することにより、感熱記録された可視情報の明確
化、美感の向上および可視情報の読取の容易化が図ら扛
た感熱記録媒体を提供すること。(a) Freely adjust the contrast or brightness difference, saturation difference, hue difference, etc. as the difference in light reflectance between the printed area and the non-printed area.
! To provide a heat-sensitive recording medium in which heat-sensitively recorded visible information is clarified, aesthetic appearance is improved, and visible information is made easier to read by adjusting the heat-sensitive recording medium.
（ｂ） 特に、拡散光受光タイプの読取方式によって可
視情報を読取る場合の読取精度の向上が因られた感熱記
録媒体を提供すること。(b) To provide a heat-sensitive recording medium that has improved reading accuracy, especially when reading visible information using a diffused light reception type reading method.
（ｃ） 基体と金属薄膜層との間の接着性にすぐれ、機
械的・化学的安定性、耐久性の向上が図られた感熱記録
媒体を提供すること。(c) To provide a heat-sensitive recording medium that has excellent adhesion between a substrate and a metal thin film layer, and has improved mechanical and chemical stability and durability.
発明の析要
上記目的を達成するため、本発明の感熱記録媒体は、基
体上に少なくとも一暦の着色層と感熱記録層としての金
属薄膜層とを設けてなることを特徴としており、可視情
報は、金属薄膜層をレーザービームあるいはサーマルヘ
ッドなどの加熱手段忙より部分的に破壊すること罠よっ
て記録される。Summary of the Invention In order to achieve the above object, the heat-sensitive recording medium of the present invention is characterized in that it has a colored layer of at least one color and a metal thin film layer as a heat-sensitive recording layer on a substrate, and the heat-sensitive recording medium of the present invention is characterized in that it is provided with a colored layer of at least one color and a metal thin film layer as a heat-sensitive recording layer on a substrate. This is recorded by partially destroying the metal thin film layer using a heating means such as a laser beam or a thermal head.
基体上に設けられる着色層ならびに金属薄膜層の積層順
序は、基体−着色層−金属薄膜層あるいは基体−金属薄
膜層−着色層のいずれであ□ってもよい。上記いずれの
場合であっても、着色層は、記録された可視情報にコン
トラストを与えて明確に°ｒるとともに、読取精度を向
上するという機能を有する。The lamination order of the colored layer and metal thin film layer provided on the substrate may be either substrate-colored layer-metal thin film layer or substrate-metal thin film layer-colored layer. In any of the above cases, the colored layer has the function of giving contrast to the recorded visible information to make it clearer and improving reading accuracy.
また場合によっては、金属薄膜層を２種類の異なる着色
層により挾むようにして基体上に設けることができる。Further, in some cases, the metal thin film layer can be provided on the substrate so as to be sandwiched between two different colored layers.
この場合には、２種類の着色層の組み合わせによって、
様々な色調、コントラストを有する感熱記録媒体を得る
°ことができるが、第１着色層を光反射率の小さい層と
し、第２着色層を光反射率の大きい層とすることが特に
好ましい。In this case, by combining two types of colored layers,
Although thermosensitive recording media having various color tones and contrasts can be obtained, it is particularly preferable that the first colored layer is a layer with low light reflectance and the second colored layer is a layer with high light reflectance.
以下、本発明を図面に示す好ましい具体例により説明す
る。Hereinafter, the present invention will be explained using preferred specific examples shown in the drawings.
本発明に係る感熱記録媒体１は、第１図に示すようＫ、
シート状あるいは板状の基体２と、この上に設けられた
着色層３と、この着色層３上に設けられた感熱記録層と
しての金属薄膜層４とから構成されている。また、第２
図に示すように、基体１にまず金属薄膜層４を設け、こ
の上に着色層３を積層することもできる。この場合には
、透明の基体を用い、裏面からレーザービーム圧より金
属薄膜層を破壊することＫより可視情報を記録すること
ができる。また、着色層の色あいを適宜選択することに
より、様々な色調、コントラストを有する情報が記録さ
れうる感熱記録媒体が得られる。さらに着色層は、上述
のような光学的な効果を得るためにのみ有効なばかりで
なく、基体と金属薄膜層との間に着色層を設ける場合に
は、着色層は金属薄膜層の基体への接着性を改善する働
きを有し、金属薄膜層の上層に着色層が設けられた場合
には、該着色層は金属薄膜層の保護層としての機能をも
有する。As shown in FIG. 1, the thermosensitive recording medium 1 according to the present invention includes K,
It is composed of a sheet-like or plate-like substrate 2, a colored layer 3 provided thereon, and a metal thin film layer 4 provided on the colored layer 3 as a heat-sensitive recording layer. Also, the second
As shown in the figure, it is also possible to first provide the metal thin film layer 4 on the base 1 and then laminate the colored layer 3 thereon. In this case, visible information can be recorded by using a transparent substrate and destroying the metal thin film layer from the back surface using laser beam pressure. Furthermore, by appropriately selecting the hue of the colored layer, a thermosensitive recording medium on which information having various tones and contrasts can be recorded can be obtained. Furthermore, the colored layer is not only effective for obtaining the above-mentioned optical effects, but also when the colored layer is provided between the substrate and the metal thin film layer, the colored layer is effective not only for obtaining the optical effect as described above, but also for providing the colored layer between the substrate and the metal thin film layer. When a colored layer is provided above the metal thin film layer, the colored layer also functions as a protective layer for the metal thin film layer.
第３図に示す感熱記録媒体１は、基体２上に、第１着色
層３ａと、金属薄膜層４と、第２着色層３ｂとがこの順
序で積層されてなる。この場合、第１着色層３ａと第２
着色層３ｂを適宜選択することにより、所望の色調、コ
ントラストを有する画像を記録しうる感熱記録媒体が得
られる。The thermosensitive recording medium 1 shown in FIG. 3 has a first colored layer 3a, a metal thin film layer 4, and a second colored layer 3b laminated in this order on a substrate 2. In this case, the first colored layer 3a and the second colored layer 3a
By appropriately selecting the colored layer 3b, a thermosensitive recording medium capable of recording an image having a desired color tone and contrast can be obtained.
たとえば第１着色層３ａを光反射率の小さい層（たとえ
ば黒色）とし、第２着色ｆｆ１３ｂを光反射率の大ぎな
層（たとえば黄色）とすることにより、ｌ￥Ｌ！録さ１
ｔたＥｉｆ視情報のコントラストは増加さ１１で、記録
情報は光学的により明確なものとなる。For example, by making the first colored layer 3a a layer with a small light reflectance (for example, black) and making the second colored layer ff13b a layer with a large light reflectance (for example, yellow), l\L! Recorded 1
The contrast of the EIF visual information increases by 11, and the recorded information becomes optically clearer.
次に、本発明に係る感熱記録媒体の製造方法ならびに用
いられる材料について説明する。Next, the method for manufacturing the heat-sensitive recording medium according to the present invention and the materials used will be explained.
本発明の感熱記録媒体ｌは、印桐法あるいはコーティン
グ法などにより基体２上に着色層３および金属薄膜層４
を設ける直接法によって形成することができる。The thermosensitive recording medium 1 of the present invention has a colored layer 3 and a metal thin film layer 4 formed on a substrate 2 by the Indo method or the coating method.
It can be formed by a direct method of providing.
また、一旦、転写用基体上に、剥離層を介して着色層、
金属薄膜層およびこれらの最上層にホントメルト接着層
が積層された転写用積層体を準備し、この転写用積層体
のホットメルト接着層を基体２０表面上に接着させると
ともに前記剥離層により転写用基体を取り去るという転
写法によって、本発明の感熱記録媒体を形成１−ること
もできる。In addition, once the colored layer is placed on the transfer substrate via a release layer,
A transfer laminate including a metal thin film layer and a hot melt adhesive layer laminated on the top layer thereof is prepared, and the hot melt adhesive layer of this transfer laminate is adhered onto the surface of the substrate 20, and the peeling layer is used for transfer. The thermosensitive recording medium of the present invention can also be formed by a transfer method in which the substrate is removed.
さら忙、一旦、貼着用基体上に着色層、金属薄膜層を積
層した貼着用積層体を準備し、この積層体の裏面に粘Ｎ
層を設け、この粘着層を介して基体２と貼着用基体とを
一体に接着させるという粘着法によって、本発明の感熱
記録媒体を形成−１″る・こともできる。Furthermore, a laminate for adhesion is prepared by laminating a colored layer and a metal thin film layer on a substrate for adhesion, and adhesive N is applied to the back side of this laminate.
The thermosensitive recording medium of the present invention can also be formed by an adhesive method in which a layer is provided and the substrate 2 and the adhesion substrate are integrally adhered via this adhesive layer.
基体２は、シート状あるいは版状を呈しており、この基
体２としては、ナイロン、セルロースジアセテート、セ
ル日−ストリアセテ−１・、ポリスチレン、ポリエチレ
ン、ポリプロピレン、ポリエステル、ポリイミド、ポリ
カーボネートなどのプラスチック類、銅、アルミニウム
１．ｃどの金属、紙、含浸紙などを単独であるいはこれ
らを組合せて複合体どして用いることができる。用途に
応じて、基体として要求される物性、たとえば強度、剛
性、隠蔽性、光不透過性などを考慮し、上記材料の中か
ら好ましいものを適宜選択すればよい。なお。The substrate 2 is in the form of a sheet or a plate, and may be made of plastics such as nylon, cellulose diacetate, cellulose triacetate, polystyrene, polyethylene, polypropylene, polyester, polyimide, polycarbonate, etc. Copper, aluminum 1. c Any metal, paper, impregnated paper, etc. can be used alone or in combination as a composite. Depending on the intended use, a preferable material may be selected as appropriate from among the above-mentioned materials, taking into consideration the physical properties required for the substrate, such as strength, rigidity, hiding properties, and light opacity. In addition.
基体２の膜厚は、感熱記録媒体としての用途によっても
異なるが、通常０．００５〜５ｍｍ程度である。The thickness of the substrate 2 varies depending on the use as a heat-sensitive recording medium, but is usually about 0.005 to 5 mm.
着ｅＪ３は、エチルセルロース、エチルヒトロキシエチ
、ルセルロース、セルロースアセテートフロビオネート
％酢酸セルロースなどのセルロース誘導体、ポリスチレ
ン、ポリ−α−メチルスチレンなどのスチレン樹脂ある
いはスチレン共重合樹脂、ポリメタクリル酸メチル、ポ
リメタクリル酸エチル、ポリアクリル酸エチル、ポリア
クリル酸ブチルなどのアクリル樹脂またはメタクリル樹
脂の単独あるいは共重合樹脂、ロジン、ロジン変性−ｑ
Ｖイ：’Ｄ’２４Ｑｊ）ＪＵ、ｏ シン変性フェノール
ＵａｊＪＪＷ、Ｍ合ロジンなとのロジンエステル樹脂、
ポリ酢酸ビニル４１７１ 脂、クマロン樹脂、ビニルト
ルエン樹脂、塩化ビニル樹脂、ポリエステル樹脂、ポリ
ウレタン樹脂、ブチラール樹脂などのバインダーに、着
色すべき色に応じて各種の顔料を添加し、さらに必要に
応じて、可塑剤、安定剤、ワックス、グリース、乾燥剤
、乾燥補助剤、硬化剤、増粘剤、分散剤を添加した彼、
溶剤あるいは希釈剤で充分に混か１ヱしてなる着色塗料
あるいはインキを／ｆＪいて、當法に従いグラビア法、
ロール法、ナイフェツジ法、オフセット法などの塗布方
法ないし印刷方法により、所望部分に形成することがで
きる。EJ3 is a cellulose derivative such as ethyl cellulose, ethyl hydroxyethoxyethyl ethyl, cellulose, cellulose acetate flobionate% cellulose acetate, styrene resin or styrene copolymer resin such as polystyrene, poly-α-methylstyrene, polymethyl methacrylate, Single or copolymer resin of acrylic resin or methacrylic resin such as polyethyl methacrylate, polyethyl acrylate, polybutyl acrylate, rosin, rosin modification-q
V i:'D'24Qj) JU, o syn-modified phenol UajJJW, M rosin ester resin,
Various pigments are added depending on the color to be colored to a binder such as polyvinyl acetate 4171 resin, coumaron resin, vinyltoluene resin, vinyl chloride resin, polyester resin, polyurethane resin, butyral resin, and if necessary, Added plasticizers, stabilizers, waxes, greases, desiccants, drying aids, hardeners, thickeners, dispersants,
Apply a colored paint or ink sufficiently mixed with a solvent or diluent, and apply the gravure method according to the method.
It can be formed in a desired area by a coating method or a printing method such as a roll method, knife method, or offset method.
なお、上記着色層中の顔料粒子の影響部により光拡散性
が増大し、これによって拡散光受光方式で記録情報を読
取る場合の読取精度の向上を図ることができる。Incidentally, the light diffusivity increases due to the affected part of the pigment particles in the colored layer, thereby making it possible to improve the reading accuracy when reading recorded information using the diffused light reception method.
金Ｆ律グ膜層４は、Ｔｅｔ ｓｎ＊ Ｉｎ＋ Ａｔ、
１３ｉ＋ ＰｂｔＺｎ などの金属あるいはこれらの合
金もしくはＴｅ−カーバイドなどの上記金属の化合物を
、真空蒸着法、スパッタ法、めっき法などにより、基体
２上に形成することができる。この金属薄膜層４は、感
熱記録層としての役割を果たすため、低融点を有するこ
とが好ましい。また、金属薄膜層の膜厚は、１００八〜
１μ、好ましくは、５ｏｏ〜１ｏｏ。The gold F-region film layer 4 is made of Tet sn* In+ At,
A metal such as 13i+ PbtZn, an alloy thereof, or a compound of the above metal such as Te-carbide can be formed on the substrate 2 by a vacuum evaporation method, a sputtering method, a plating method, or the like. This metal thin film layer 4 preferably has a low melting point since it plays a role as a heat-sensitive recording layer. Further, the thickness of the metal thin film layer is 1008~
1 μ, preferably 5oo to 1oo.
Ａ程度である。It is about A.
以下に、本発明を実施例により説明するが、本発明はこ
ｎらの実施例に限定さ几るものではない。EXAMPLES The present invention will be explained below with reference to Examples, but the present invention is not limited to these Examples.
なお、以下の実施例におりて、特に言及しＩＬい限り、
すべての「部」は重量部である。In addition, in the following examples, unless specifically mentioned,
All "parts" are parts by weight.
実施例
厚さ１８８μのポリエステルシート上に、下記組成の着
色塗料（１）をグラビアコート法によって塗布し、厚さ
５μの第１着色層を形成した。次いで、その上に真空蒸
着法により、スズを水晶振動子による膜厚測定法で測定
して１０００ Ａの膜厚に蒸着して感熱記録層である金
属薄膜層を形成じた。次いで下記組成の着色塗料（２）
をグラビアコート法によって塗布し、厚さ２μの第２着
色層を形成した。EXAMPLE A colored paint (1) having the following composition was applied onto a polyester sheet having a thickness of 188 μm by gravure coating to form a first colored layer having a thickness of 5 μm. Next, tin was deposited thereon to a thickness of 1000 A as measured by a film thickness measurement method using a quartz crystal oscillator using a vacuum evaporation method to form a metal thin film layer serving as a heat-sensitive recording layer. Next, colored paint (2) with the following composition
was applied by a gravure coating method to form a second colored layer with a thickness of 2 μm.
着色塗料（１）のね成：
部分ケン化塩化ビニル／酢酸ビニル共重合樹脂（ユニオ
ンカーバイド社製 ・・・・・・ｎ 部［ビニライトＶ
ＡＧＨＪ ）
赤色顔料；アイゼンダイレクトファーストレッドＦＨ（
保土谷化学社製）・・・１０部
インシアネート系硬化剤
（式日薬品工業社製 ・・・・・・３部［タケネートＤ
ＩＩＯＮＪ）
メチルエチルケトン ・・・・・・３０部トルエン ・
・・・・・凹部
このようにして得られた感熱記録シートにサーマルプリ
ンタ（神鋼電機製５Ｐ−３０８０）を用いてバーコード
を印字した。鮮明な画像が得られた。Formation of colored paint (1): Partially saponified vinyl chloride/vinyl acetate copolymer resin (manufactured by Union Carbide Co., Ltd. n parts [Vinyrite V
AGHJ) Red pigment; Eisen Direct Fast Red FH (
(manufactured by Hodogaya Chemical Co., Ltd.)...10 parts Incyanate-based curing agent (manufactured by Shikinichi Yakuhin Kogyo Co., Ltd.)...3 parts [Takenate D
IIONJ) Methyl ethyl ketone 30 parts toluene ・
. . . Recessed portion A bar code was printed on the heat-sensitive recording sheet thus obtained using a thermal printer (manufactured by Shinko Electric Co., Ltd., 5P-3080). A clear image was obtained.
また、反射濃度針（マクベスＰＣＭ−ＩＩ）を用いて赤
色部（非印字部）と黒色部Ｃ印字部）の反射率を測定し
たところ下記の値を得た。さらにこの反射率の値からＰ
Ｃ８値（Ｐｒｉｎｔ ｃｏｎｔｒａｓｔｓｉｇｎａｌ値
）を計算したところ良好な値が得られた。Further, when the reflectance of the red part (non-printed part) and the black part (C printed part) was measured using a reflection density needle (Macbeth PCM-II), the following values were obtained. Furthermore, from this reflectance value, P
When the C8 value (Print contrast signal value) was calculated, a good value was obtained.
赤色部の反射率・旧・・４０％ 黒色部の反射率・川・・８％ ＰＣ８値 ・・・・・・０．８０ 一般に、ＰＣ８値は次式によりめられる。Reflectance of red part - old...40% Reflectance of black area/river...8% PC8 value...0.80 Generally, the PC8 value is determined by the following formula.
バーコードなどの記録情報を光学的に読取る場合、ＰＣ
８値は理想的には１．０であることが望ましいが、０．
７〜０．８の範囲内であれば実用上問題はない。When optically reading recorded information such as barcodes, a PC
Ideally, the 8 value is 1.0, but 0.
If it is within the range of 7 to 0.8, there will be no practical problem.
発明の効果
本発明による感熱記録媒体は、金属薄膜層からなる感熱
記録層と少なくとも一層の着色層を有しているため、以
下のような効果を有する、ａ）印字部と非印字部のコン
トラストを大きくすることにより記録情報の明確化と光
学的読取精度の向−ヒが達成される。Effects of the Invention Since the heat-sensitive recording medium according to the present invention has a heat-sensitive recording layer made of a metal thin film layer and at least one colored layer, it has the following effects: a) Contrast between printed areas and non-printed areas By increasing the value, it is possible to clarify recorded information and improve optical reading accuracy.
ｂ）着色層を適宜選択すること忙より美感の向上を図る
ことができる。b) By appropriately selecting the colored layer, it is possible to improve the aesthetic appearance.
Ｃ）拡散光受光方式で読取る場合の読取精度が向上する
。C) Reading accuracy is improved when reading using the diffused light reception method.
ｄ）基体と金属薄膜層との接着強度、耐久性が向」ニす
る。d) The adhesive strength and durability between the substrate and the metal thin film layer are improved.
第１図、第２図および第３図は、本発明の感熱記録媒体
の断面図である。
１・・・感熱記録媒体、２・・・基体、３・・・着色層
、４・・・金属薄膜層。
出願人代理人 猪 股 清FIG. 1, FIG. 2, and FIG. 3 are cross-sectional views of the thermosensitive recording medium of the present invention. DESCRIPTION OF SYMBOLS 1...Thermosensitive recording medium, 2...Substrate, 3...Colored layer, 4...Metal thin film layer. Applicant's agent Kiyoshi Inomata
Claims (1)
を設けてなり、加熱手段により前記金属薄膜層が部分的
に破壊されて可視情報が記録されるようになっているこ
とを特徴とする、感熱記録媒体。 ２、金属薄膜層が２種の異なる光反射率を有する着色層
により挾まれるようにして設けられている、特許請求の
範囲第１項に記載の感熱記録媒体。[Claims] 1. A colored layer and a metal thin film layer are provided on a substrate, and visible information is recorded by partially destroying the metal thin film layer by heating means. 2. Claim 1, wherein the metal thin film layer is sandwiched between two colored layers having different light reflectances. The thermosensitive recording medium described in .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58160133A JPS6052390A (en) | 1983-08-31 | 1983-08-31 | Thermal recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58160133A JPS6052390A (en) | 1983-08-31 | 1983-08-31 | Thermal recording medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6052390A true JPS6052390A (en) | 1985-03-25 |
Family
ID=15708579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58160133A Pending JPS6052390A (en) | 1983-08-31 | 1983-08-31 | Thermal recording medium |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6052390A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63144086A (en) * | 1986-12-05 | 1988-06-16 | Tomoegawa Paper Co Ltd | Thermal recording medium |
| JPS6416686A (en) * | 1987-07-10 | 1989-01-20 | Tomoegawa Paper Co Ltd | Thermal recording medium |
| FR2621762A1 (en) * | 1987-10-09 | 1989-04-14 | Thomson Csf | METHOD AND DEVICE FOR LASER IMAGE REGISTRATION AND DEVICE OBTAINED THEREBY |
| JPH01103493A (en) * | 1987-10-16 | 1989-04-20 | Tomoegawa Paper Co Ltd | Thermal recording medium |
| JPH02175183A (en) * | 1988-12-27 | 1990-07-06 | Toppan Printing Co Ltd | Heat sensitive recording medium |
| US5073787A (en) * | 1988-08-30 | 1991-12-17 | Kyodo Printing Co., Ltd. | Thermal recording method, thermal recording medium used in the method and method for producing the thermal recording medium |
| JPH047192A (en) * | 1990-04-26 | 1992-01-10 | Tomoegawa Paper Co Ltd | Thermal recording medium |
| EP0489972A1 (en) * | 1990-12-10 | 1992-06-17 | Agfa-Gevaert N.V. | Heat-sensitive recording material |
| JPH06270536A (en) * | 1993-03-18 | 1994-09-27 | Tomoegawa Paper Co Ltd | Thermal recording medium |
| US5439755A (en) * | 1988-06-17 | 1995-08-08 | Kyodo Printing Co., Ltd. | Magnetic recording medium comprising a magnetic recording layer, an intermediate layer, a metallic thermal recording layer and a protective layer |
| US6149988A (en) * | 1986-09-26 | 2000-11-21 | Semiconductor Energy Laboratory Co., Ltd. | Method and system of laser processing |
| US6261856B1 (en) | 1987-09-16 | 2001-07-17 | Semiconductor Energy Laboratory Co., Ltd. | Method and system of laser processing |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5619790A (en) * | 1979-07-26 | 1981-02-24 | Toshiba Corp | Recording medium |
-
1983
- 1983-08-31 JP JP58160133A patent/JPS6052390A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5619790A (en) * | 1979-07-26 | 1981-02-24 | Toshiba Corp | Recording medium |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6149988A (en) * | 1986-09-26 | 2000-11-21 | Semiconductor Energy Laboratory Co., Ltd. | Method and system of laser processing |
| JPS63144086A (en) * | 1986-12-05 | 1988-06-16 | Tomoegawa Paper Co Ltd | Thermal recording medium |
| JPH0441920B2 (en) * | 1987-07-10 | 1992-07-09 | Tomoegawa Paper Co Ltd | |
| JPS6416686A (en) * | 1987-07-10 | 1989-01-20 | Tomoegawa Paper Co Ltd | Thermal recording medium |
| US6261856B1 (en) | 1987-09-16 | 2001-07-17 | Semiconductor Energy Laboratory Co., Ltd. | Method and system of laser processing |
| FR2621762A1 (en) * | 1987-10-09 | 1989-04-14 | Thomson Csf | METHOD AND DEVICE FOR LASER IMAGE REGISTRATION AND DEVICE OBTAINED THEREBY |
| US4901089A (en) * | 1987-10-09 | 1990-02-13 | Thomson-Csf | Method and devices for the recording of pictures by laser |
| JPH01103493A (en) * | 1987-10-16 | 1989-04-20 | Tomoegawa Paper Co Ltd | Thermal recording medium |
| JPH0515392B2 (en) * | 1987-10-16 | 1993-03-01 | Tomoegawa Paper Co Ltd | |
| US5439755A (en) * | 1988-06-17 | 1995-08-08 | Kyodo Printing Co., Ltd. | Magnetic recording medium comprising a magnetic recording layer, an intermediate layer, a metallic thermal recording layer and a protective layer |
| US5073787A (en) * | 1988-08-30 | 1991-12-17 | Kyodo Printing Co., Ltd. | Thermal recording method, thermal recording medium used in the method and method for producing the thermal recording medium |
| JPH02175183A (en) * | 1988-12-27 | 1990-07-06 | Toppan Printing Co Ltd | Heat sensitive recording medium |
| JPH047192A (en) * | 1990-04-26 | 1992-01-10 | Tomoegawa Paper Co Ltd | Thermal recording medium |
| EP0489972A1 (en) * | 1990-12-10 | 1992-06-17 | Agfa-Gevaert N.V. | Heat-sensitive recording material |
| JPH06270536A (en) * | 1993-03-18 | 1994-09-27 | Tomoegawa Paper Co Ltd | Thermal recording medium |
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