JPH0292586A - Thermal transfer recording ink sheet - Google Patents
Thermal transfer recording ink sheetInfo
- Publication number
- JPH0292586A JPH0292586A JP63242266A JP24226688A JPH0292586A JP H0292586 A JPH0292586 A JP H0292586A JP 63242266 A JP63242266 A JP 63242266A JP 24226688 A JP24226688 A JP 24226688A JP H0292586 A JPH0292586 A JP H0292586A
- Authority
- JP
- Japan
- Prior art keywords
- wax
- thermal transfer
- ink layer
- formula
- transfer recording
- 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
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 11
- 239000000126 substance Substances 0.000 claims abstract description 7
- 230000035515 penetration Effects 0.000 claims abstract description 6
- 238000002844 melting Methods 0.000 claims description 15
- 239000001993 wax Substances 0.000 abstract description 25
- 230000000694 effects Effects 0.000 abstract description 5
- 229920006267 polyester film Polymers 0.000 abstract description 4
- 239000011230 binding agent Substances 0.000 abstract description 3
- 239000004203 carnauba wax Substances 0.000 abstract description 3
- 235000013869 carnauba wax Nutrition 0.000 abstract description 3
- UTOPWMOLSKOLTQ-UHFFFAOYSA-N octacosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCCCC(O)=O UTOPWMOLSKOLTQ-UHFFFAOYSA-N 0.000 abstract description 3
- 229920001721 polyimide Polymers 0.000 abstract description 3
- 239000002985 plastic film Substances 0.000 abstract description 2
- 229920006255 plastic film Polymers 0.000 abstract description 2
- 229920006289 polycarbonate film Polymers 0.000 abstract description 2
- 229920001169 thermoplastic Polymers 0.000 abstract description 2
- 239000004416 thermosoftening plastic Substances 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 abstract 4
- 239000012943 hotmelt Substances 0.000 abstract 2
- 150000002148 esters Chemical class 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 17
- 239000000123 paper Substances 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000007651 thermal printing Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 230000008542 thermal sensitivity Effects 0.000 description 2
- 238000010023 transfer printing Methods 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229920000800 acrylic rubber Polymers 0.000 description 1
- 239000004204 candelilla wax Substances 0.000 description 1
- 235000013868 candelilla wax Nutrition 0.000 description 1
- 229940073532 candelilla wax Drugs 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000011111 cardboard Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004455 differential thermal analysis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- IUJAMGNYPWYUPM-UHFFFAOYSA-N hentriacontane Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC IUJAMGNYPWYUPM-UHFFFAOYSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004200 microcrystalline wax Substances 0.000 description 1
- 235000019808 microcrystalline wax Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000004206 montan acid ester Substances 0.000 description 1
- 235000013872 montan acid ester Nutrition 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 235000019809 paraffin wax Nutrition 0.000 description 1
- 235000019271 petrolatum Nutrition 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、サーマルヘッドによってインク層を熱溶融さ
せて、記録紙上に転写記録を行なうための熱転写記録用
インクシートに関し、特に、流通管理システム等で使用
されるバーコードプリンター等に好適な熱転写記録用イ
ンクシートに関する。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a thermal transfer recording ink sheet for thermally melting an ink layer using a thermal head to perform transfer recording on recording paper, and particularly for use in distribution management systems, etc. The present invention relates to an ink sheet for thermal transfer recording suitable for use in barcode printers and the like.
従来の技術
近年、コンピュータの端末機、ワードプロセッサー、バ
ーコードプリンター等に熱溶融型の熱転写記録用インク
シートが使用されている。流通分野に於いては、バーコ
ードプリンターによって上質紙等よりなるラベル上に熱
転写印字した後、段ボール箱等に貼り、光学的に読み取
って自動管理を行なうシステムが導入される様になって
きているが、特にこの用途に使用されるインクシートに
対しては、搬送の際の苛酷な取板にも耐えるような転写
画像、即ち、耐こずれ性の良好な転写画像を得ることが
要求される。BACKGROUND OF THE INVENTION In recent years, heat-melting type thermal transfer recording ink sheets have been used in computer terminals, word processors, bar code printers, and the like. In the distribution field, systems are being introduced in which thermal transfer printing is performed on labels made of high-quality paper using barcode printers, which are then attached to cardboard boxes, etc., and are read optically for automatic management. However, especially for ink sheets used for this purpose, it is required to obtain a transferred image that can withstand severe handling during transportation, that is, a transferred image that has good abrasion resistance. .
従来の熱溶融型の熱転写記録用インクシートとしては、
ポリエステルフィルム等の支持体上に染料、顔料からな
る着色剤と、パラフィンワックス、マイクロクリスタリ
ンワックス、カルナバワックス、ポリエチレンワックス
、モンタン酸ワックスのような熱溶融性物質からなる、
いわゆるワックスタイプのインク層を設けたものが知ら
れている。Conventional heat-melting type thermal transfer recording ink sheets include:
A coloring agent consisting of a dye or pigment and a heat-melting substance such as paraffin wax, microcrystalline wax, carnauba wax, polyethylene wax, or montan acid wax are placed on a support such as a polyester film.
It is known that a so-called wax type ink layer is provided.
また、ワックス成分以外に、ポリエステル、ポリスチレ
ン、ポリエチレン、ポリ酢酸ビニル、アクリル樹脂、ゴ
ム等の熱可塑性樹脂を添加したインクシートも知られて
いる。Furthermore, ink sheets containing thermoplastic resins such as polyester, polystyrene, polyethylene, polyvinyl acetate, acrylic resin, and rubber in addition to the wax component are also known.
発明が解決しようとする課題
しかしながら、上記ワックスタイプのインクシートは、
インク層の成膜形成性、熱転写性、転写画像の耐こずれ
性等の特性を、バランス良く満足させることができない
という問題を有している。Problems to be Solved by the Invention However, the wax type ink sheet described above is
There is a problem in that the properties such as the film formability of the ink layer, the thermal transferability, and the abrasion resistance of the transferred image cannot be satisfied in a well-balanced manner.
また、熱り塑性樹脂を添加したインクシートは、餡こす
れ性か不十分であったり、支持体の密着性が強いため、
熱印字部において支持体とインク層間で破壊を生じると
いう問題や、インク層の凝集力か強いために、熱印字部
と非熱印字部間の切れが悪くなるという問題を有するも
のであった。In addition, ink sheets containing thermoplastic resins may have insufficient rubbing resistance or have strong adhesion to the support.
There have been problems in that breakage occurs between the support and the ink layer in the thermal printing area, and that the ink layer has a strong cohesive force, making it difficult to cut between the thermal printing area and the non-thermal printing area.
本発明は、上記の事情に鑑みてなされたものである。The present invention has been made in view of the above circumstances.
したがって、本発明の目的は、上記従来の技術における
問題点を解決し、良゛好な熱転写性をもち、かつ、耐こ
すれ性の良好な転写性画像を得ることができ、更に取扱
性にも優れた熱転写記録用インクシートを提供すること
にある。Therefore, an object of the present invention is to solve the above-mentioned problems in the conventional technology, to obtain a transferable image having good thermal transferability and good scratch resistance, and also to improve handling properties. An object of the present invention is to provide an excellent ink sheet for thermal transfer recording.
課題を解決するための手段
本発明者は、下記に示すような特定の硬度を有するワッ
クスと、特定の構造式で示される熱可塑性物質とを使用
することにより、上記目的が達成されることを見出だし
、本発明を完成するに至った。Means for Solving the Problem The present inventor has found that the above object can be achieved by using a wax having a specific hardness as shown below and a thermoplastic substance having a specific structural formula. This heading led to the completion of the present invention.
本発明は、支持体上に、熱溶融性インク層を設けてなる
熱転写記録用インクシートにおいて、該熱溶融性インク
層が、（＾）針入度４以下のワックスと、（Ｂ）式（Ｉ
＞で示される熱可塑性樹脂−［（ＣＨ２）５−Ｃ−０］
。The present invention provides an ink sheet for thermal transfer recording comprising a heat-melt ink layer provided on a support, in which the heat-melt ink layer contains (^) a wax having a penetration of 4 or less, and (B) a formula ( I
Thermoplastic resin represented by -[(CH2)5-C-0]
.
０ 〈１）
（式中、ｎは５０〜１０００の整数を表わす。）を主成
分として含有することを特徴とする。0 <1) (wherein n represents an integer of 50 to 1000) as a main component.
以下、本発明の詳細な説明する。The present invention will be explained in detail below.
本発明における支持体としては、ポリエステルフィルム
、ポリカーボネートフィルム、ポリイミドフィルム等の
プラスチックフィルムや、紙基材等が適用できる。支持
体の厚さは、熱感度及び加工性の観点から、２〜１２迦
の範囲が好ましい、また、サーマルヘッドとのスティッ
キングを防止するために、インク層の反対側の支持体面
にシリコーン樹脂、ポリイミド樹脂等からなる耐熱性保
護層を設けてもよい。As the support in the present invention, plastic films such as polyester films, polycarbonate films, and polyimide films, paper base materials, and the like can be used. The thickness of the support is preferably in the range of 2 to 12 mm from the viewpoint of thermal sensitivity and processability.In addition, in order to prevent sticking with the thermal head, silicone resin is added to the support surface opposite to the ink layer. A heat-resistant protective layer made of polyimide resin or the like may be provided.
本発明において、熱溶融性インク層に配合される熱溶融
性物質はは、（Ａ）針入度４以下のワックスと、（Ｂ）
上記式＜Ｉ）で示される熱可塑性樹脂とからなる。In the present invention, the heat-melting substances blended into the heat-melting ink layer include (A) wax with a penetration level of 4 or less; and (B)
It consists of a thermoplastic resin represented by the above formula <I).
上記ワックスにおける針入度は、ＪＩＳに２２３５によ
るものである。ワックスの針入度が４よりも大きいと、
耐こずれ性が低下するという問題が生じる。このワック
スは、加熱時の良好な転写性の為に必要な低溶融粘度特
性及び支持体からの剥離性を与える働きがあり、かつ、
転写画像の耐こすれ性を良好にするために必要な硬さも
備えている。The penetration level of the wax described above is based on JIS 2235. If the wax penetration is greater than 4,
A problem arises in that the strain resistance is reduced. This wax has the function of providing low melt viscosity properties and releasability from the support necessary for good transferability when heated, and
It also has the hardness necessary to improve the abrasion resistance of transferred images.
本発明において、このワックスは、示差熱分析による融
点か６０〜１１０℃の範囲にあるものが好ましい、ワッ
クスの融点が６０°Ｃよりも低い場合には、転写画像の
シャープ性が劣ってくる。また、１１０°Ｃよりも高い
場合には、熱感度が悪くなる。In the present invention, the wax preferably has a melting point in the range of 60 to 110 DEG C. as measured by differential thermal analysis. If the melting point of the wax is lower than 60 DEG C., the sharpness of the transferred image will be poor. Further, if the temperature is higher than 110°C, the thermal sensitivity becomes worse.
本発明において使用されるワックスの具体例としては、
モンタン酸ワックス、モンタン酸エステルワックス、カ
ルナウバワックス、キャンデリラワックス等があげられ
る。Specific examples of wax used in the present invention include:
Examples include montan acid wax, montan acid ester wax, carnauba wax, and candelilla wax.
本発明において、上記式（Ｉ）で示される熱可塑性樹脂
は、上記ワックスに皮膜性を与え、かつ支持体へのバイ
ンダー効果を有するため、インクシートの取板時に、イ
ンク層の脱落防止に対して著しく効果をもならず、また
、この熱可塑性樹脂は、６０℃付近でシャープな溶融性
を示すため、上記ワックスの良好な転写性を損なうもの
ではない。In the present invention, the thermoplastic resin represented by the above formula (I) provides film properties to the wax and has a binder effect on the support, so it is used to prevent the ink layer from falling off when removing the ink sheet. Moreover, since this thermoplastic resin exhibits sharp meltability at around 60° C., it does not impair the good transferability of the wax.
本発明において、上記熱可塑性樹脂の重合度ｎは５０〜
１０００の範囲にあることが必要である。重合度ｎが５
０よりも小さい場合には、皮膜性が低下するため、イン
ク層か脱落し易くなる。また、ｎか１０００よりも大き
い場合には、支持体との密着性が増して、加熱時の転写
性が悪くなる。In the present invention, the degree of polymerization n of the thermoplastic resin is 50 to
It needs to be in the range of 1000. Degree of polymerization n is 5
If it is smaller than 0, the film properties will deteriorate and the ink layer will easily fall off. Furthermore, if n is larger than 1000, the adhesion to the support increases and the transferability during heating deteriorates.
上記熱可塑性樹脂の使用量は、重量で熱溶融性物質の全
固形分の１〜３５％が好ましい、１％よりも少ない場合
には、インク層の皮膜性が低下し、支持体へのバインダ
ー効果も小さくなるため、インク層が脱落し易くなり、
３５％よりも多い場合には、支持体への密着性が増して
、加熱時の転写性か悪くなる傾向がある。The amount of the thermoplastic resin used is preferably 1 to 35% by weight of the total solid content of the thermofusible material. If it is less than 1%, the film properties of the ink layer will deteriorate and the binder to the support will be reduced. The effect is also reduced, making it easier for the ink layer to fall off.
When the amount is more than 35%, the adhesion to the support increases and transferability during heating tends to deteriorate.
また、本発明において、熱溶融性インク層には、着色剤
として、カーボンブラックをはじめ、無機或いは有機の
各種染料、顔料が適宜配合される。Further, in the present invention, various inorganic or organic dyes and pigments, including carbon black, are appropriately blended as colorants in the heat-melting ink layer.
本発明の熱転写記録インクシートは、上記の熱溶融性物
質及び着色剤を、トルエン、キシレン、メチルエチルケ
トン等の有機溶剤中に混合して、ペイントシェーカー、
ボールミル、アトライター等で分散した後、支持体上に
固形分の塗布厚が２〜８１程度になるように塗工し、熱
風乾燥させる方法などによって作製することができる。The thermal transfer recording ink sheet of the present invention can be prepared by mixing the above heat-melting substance and colorant in an organic solvent such as toluene, xylene, methyl ethyl ketone, etc., using a paint shaker,
It can be produced by a method such as dispersing with a ball mill, attritor, etc., coating the solid content on a support to a coating thickness of about 2 to 81 mm, and drying with hot air.
実施例 以下、実施例により本発明を具体的に説明する。Example Hereinafter, the present invention will be specifically explained with reference to Examples.
尚、実施例中に記載の配合成分の部数及び％は、全て重
量基準による。Note that all parts and percentages of ingredients described in the examples are based on weight.
本発明の実施例及び比較例において使用した熱溶融性物
質の種類及び特性を第１表に示す。Table 1 shows the types and characteristics of the heat-melting substances used in the examples and comparative examples of the present invention.
第１表
実施例１〜３
下記第２表の処方にて熱溶融性インク層用の塗布液を作
製した。Table 1 Examples 1 to 3 Coating liquids for the heat-melting ink layer were prepared according to the formulations shown in Table 2 below.
クシートを作製した。この熱転写記録用インクシートに
おける乾燥後の固形分塗布厚は４ ｐｍであった。A cushion was made. The solid coating thickness of this thermal transfer recording ink sheet after drying was 4 pm.
比較例１〜３
下記第３表の処方にて熱溶融性インク層用の塗布液を作
製した。Comparative Examples 1 to 3 Coating liquids for heat-melting ink layers were prepared according to the formulations shown in Table 3 below.
第３表
上記の組成物を、ペイントシェカーにて２時間分散した
後、厚さ６顔のポリエステルフィルムからなる支持体上
に、ワイヤーバーにて塗布し、１１０°Ｃで乾燥するこ
とにより、熱転写記録用イン上記の組成物について、実
施例１〜３と同様にして熱転写記録用インクシートを作
製した。Table 3: After dispersing the above composition in a paint shaker for 2 hours, it was applied onto a support made of polyester film with a thickness of 6 layers using a wire bar, and dried at 110°C. Ink sheet for thermal transfer recording Using the above composition, an ink sheet for thermal transfer recording was prepared in the same manner as in Examples 1 to 3.
実施例１〜３及び比較例１〜３の熱転写記録用インクシ
ートを用い、熱傾斜試験機（東洋精機製作所■製ＨＧ−
１０（１）にて、８５℃、２ｈｒ／ｄ、３ ＳｅＣの条
件で、上質紙に対して熱転写記録を行なった。Using the thermal transfer recording ink sheets of Examples 1 to 3 and Comparative Examples 1 to 3, a thermal gradient tester (HG- manufactured by Toyo Seiki Seisakusho ■) was used.
Thermal transfer recording was performed on high-quality paper at 85° C., 2 hr/d, and 3 SeC at 10(1).
その際のインクシートの取扱性、熱転写性、耐こずれ性
を第４表に示す。Table 4 shows the handling properties, thermal transfer properties, and abrasion resistance of the ink sheets.
なお、耐こずれ性は、板紙耐牽粍試験機（熊谷理機工業
■製）を用いて、段ボール紙に対して加重５００「、こ
ずれ回数１００回の条件で試験した。The shear resistance was tested using a paperboard crush resistance tester (manufactured by Kumagai Riki Kogyo ■) under conditions of applying a load of 500 to corrugated paper and subjecting the paper to 100 times of shear.
第４表
更に、実施例１〜３については、バーコードプリンター
（寺岡精工社製ＢＰ−７０＞にて、上質紙に対して熱転
写印字を行なったところ、良好な印字物が得られた。Table 4 Furthermore, for Examples 1 to 3, thermal transfer printing was performed on high-quality paper using a barcode printer (BP-70 manufactured by Teraoka Seiko Co., Ltd.), and good prints were obtained.
発明の効果
本発明の熱転写記録用インクシートは、上記の構成を有
するから、熱転写性が良好であり、かつ転写画像の耐こ
すれ性に優れており、更に取扱性も良好である。したが
って、本発明の熱転写記録用インクシートは、コンピュ
ータの端末機、ワードプロセッサー、バーコードプリン
ター等に好適に使用することができる。Effects of the Invention Since the ink sheet for thermal transfer recording of the present invention has the above-mentioned structure, it has good thermal transfer properties, excellent scratch resistance of transferred images, and also good handling properties. Therefore, the ink sheet for thermal transfer recording of the present invention can be suitably used in computer terminals, word processors, bar code printers, and the like.
特許出願人 株式会社巴川製紙所 代理人 弁理士 液部 剛Patent applicant: Tomoekawa Paper Mills Co., Ltd. Agent: Patent Attorney Tsuyoshi Liquidbe
Claims (1)
写記録用インクシートにおいて、該熱溶融性インク層が
、（Ａ）針入度４以下のワックスと、（Ｂ）式（ I ）
で示される熱可塑性樹脂 ▲数式、化学式、表等があります▼（ I ） （式中、ｎは５０〜１０００の整数を表わす。）を主成
分として含有することを特徴とする熱転写記録用インク
シート。(1) In a thermal transfer recording ink sheet comprising a heat-melting ink layer provided on a support, the heat-melting ink layer contains (A) a wax having a penetration of 4 or less, and (B) a formula (I )
An ink sheet for thermal transfer recording characterized by containing as a main component a thermoplastic resin ▲There are mathematical formulas, chemical formulas, tables, etc.▼ (I) (in the formula, n represents an integer from 50 to 1000) .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63242266A JPH0292586A (en) | 1988-09-29 | 1988-09-29 | Thermal transfer recording ink sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63242266A JPH0292586A (en) | 1988-09-29 | 1988-09-29 | Thermal transfer recording ink sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0292586A true JPH0292586A (en) | 1990-04-03 |
Family
ID=17086707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63242266A Pending JPH0292586A (en) | 1988-09-29 | 1988-09-29 | Thermal transfer recording ink sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0292586A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60122194A (en) * | 1983-12-05 | 1985-06-29 | Ricoh Co Ltd | Thermal transfer recording medium |
| JPS60165291A (en) * | 1984-02-07 | 1985-08-28 | Konishiroku Photo Ind Co Ltd | Thermal heat transfer recording medium |
| JPS61185492A (en) * | 1985-02-14 | 1986-08-19 | Ricoh Co Ltd | Thermal transfer recording medium |
| JPS625884A (en) * | 1985-07-01 | 1987-01-12 | General Kk | Thermal transfer recording medium |
| JPS625888A (en) * | 1985-07-01 | 1987-01-12 | General Kk | Thermal transfer recording medium |
| JPS625887A (en) * | 1985-07-01 | 1987-01-12 | General Kk | Thermal transfer recording medium |
| JPS6259089A (en) * | 1985-09-09 | 1987-03-14 | Ricoh Co Ltd | Thermal transfer recording medium |
| JPS62130893A (en) * | 1985-12-03 | 1987-06-13 | Fujitsu Ltd | Thermal transfer ink sheet |
| JPS62142687A (en) * | 1985-12-18 | 1987-06-26 | Ricoh Co Ltd | Thermal transfer recording medium |
| JPS62148289A (en) * | 1985-12-23 | 1987-07-02 | Ricoh Co Ltd | Thermal transfer recording medium |
| JPS62196185A (en) * | 1986-02-21 | 1987-08-29 | Hitachi Maxell Ltd | Thermal transfer material |
-
1988
- 1988-09-29 JP JP63242266A patent/JPH0292586A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60122194A (en) * | 1983-12-05 | 1985-06-29 | Ricoh Co Ltd | Thermal transfer recording medium |
| JPS60165291A (en) * | 1984-02-07 | 1985-08-28 | Konishiroku Photo Ind Co Ltd | Thermal heat transfer recording medium |
| JPS61185492A (en) * | 1985-02-14 | 1986-08-19 | Ricoh Co Ltd | Thermal transfer recording medium |
| JPS625884A (en) * | 1985-07-01 | 1987-01-12 | General Kk | Thermal transfer recording medium |
| JPS625888A (en) * | 1985-07-01 | 1987-01-12 | General Kk | Thermal transfer recording medium |
| JPS625887A (en) * | 1985-07-01 | 1987-01-12 | General Kk | Thermal transfer recording medium |
| JPS6259089A (en) * | 1985-09-09 | 1987-03-14 | Ricoh Co Ltd | Thermal transfer recording medium |
| JPS62130893A (en) * | 1985-12-03 | 1987-06-13 | Fujitsu Ltd | Thermal transfer ink sheet |
| JPS62142687A (en) * | 1985-12-18 | 1987-06-26 | Ricoh Co Ltd | Thermal transfer recording medium |
| JPS62148289A (en) * | 1985-12-23 | 1987-07-02 | Ricoh Co Ltd | Thermal transfer recording medium |
| JPS62196185A (en) * | 1986-02-21 | 1987-08-29 | Hitachi Maxell Ltd | Thermal transfer material |
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