JPH0441077B2 - - Google Patents
Info
- Publication number
- JPH0441077B2 JPH0441077B2 JP58006309A JP630983A JPH0441077B2 JP H0441077 B2 JPH0441077 B2 JP H0441077B2 JP 58006309 A JP58006309 A JP 58006309A JP 630983 A JP630983 A JP 630983A JP H0441077 B2 JPH0441077 B2 JP H0441077B2
- Authority
- JP
- Japan
- Prior art keywords
- dye
- sublimable
- particles
- dye transfer
- transfer material
- 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.)
- Expired - Lifetime
Links
- 239000002245 particle Substances 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 12
- 239000000758 substrate Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 239000000975 dye Substances 0.000 description 43
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- 238000001454 recorded image Methods 0.000 description 6
- 239000012798 spherical particle Substances 0.000 description 6
- 125000006850 spacer group Chemical group 0.000 description 5
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229920002492 poly(sulfone) Polymers 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 238000000859 sublimation Methods 0.000 description 2
- 230000008022 sublimation Effects 0.000 description 2
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical group O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
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
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/382—Contact thermal transfer or sublimation processes
- B41M5/392—Additives, other than colour forming substances, dyes or pigments, e.g. sensitisers, transfer promoting agents
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、熱転写による記録に用いられる染料
転写体に関するものであり、とくにサーマルヘツ
ドやレーザービームなどの電子デバイスによる高
速記録に利用できるものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a dye transfer member used for thermal transfer recording, and is particularly applicable to high-speed recording using electronic devices such as thermal heads and laser beams.
従来例の構成とその問題点
従来、高速記録に適用し得る昇華性染料を含ん
だフルカラー用の熱転写体が広く用いられてい
る。ところが、これらによる記録画像はとくに中
間調の領域での画質の乱れが問題になり、これら
の主要原因はエネルギー印加部分に対応する記録
のぬけ（ドロツプアウト）とエネルギーを印加し
ない部分の染料の昇華または飛散（ノイズ）に起
因することがわかつている。Conventional Structure and Problems Conventionally, full-color thermal transfer materials containing sublimable dyes that can be applied to high-speed recording have been widely used. However, the images recorded by these methods suffer from disturbances in image quality, especially in the intermediate tone area, and the main causes of this are dropouts in the recording corresponding to the areas where energy is applied and dye sublimation or sublimation in areas where no energy is applied. It is known that this is caused by scattering (noise).
発明の目的
本発明は、とくに中間調の領域でのドロツプア
ウトとノイズを低減して良好な画質をもつ記録画
像を与える染料転写体を提供することを目的とす
る。OBJECTS OF THE INVENTION An object of the present invention is to provide a dye transfer member that reduces dropouts and noise, particularly in the intermediate tone region, and provides recorded images with good image quality.
発明の構成
本発明の染料転写体は、昇華性染料と染料層の
厚さより大きい粒径を有する非昇華性粒子を含む
転写体を基体上に設け、前記昇華性染料が形成す
る染料層表面より前記非昇華性粒子が突出し、か
つ前記非昇華性粒子が印字画素１個あたり３個を
下限として前記染料層に含まれることを特徴とす
る。Structure of the Invention The dye transfer material of the present invention is provided with a transfer material containing a sublimable dye and non-sublimable particles having a particle size larger than the thickness of the dye layer on a substrate, and a surface of the dye layer formed by the sublimable dye is The dye layer is characterized in that the non-sublimable particles protrude and are included in the dye layer with a lower limit of three non-sublimable particles per print pixel.
実施例の説明
第１図は本発明による染料転写体を用いて記録
する例を示す。DESCRIPTION OF EMBODIMENTS FIG. 1 shows an example of recording using a dye transfer member according to the present invention.
１は染料転写体で、基体２上に染料層３の表面
３ａより突出する非昇華性粒子４を設けたもので
ある。染料層３は、一般にはバインダーを含んで
おり、非昇華性粒子４は、第２図のように、この
バインダーを含む層３′によつて被覆されていて
もよい。しかし、粒子４は染料層３の表面３ａよ
り突出していることを要する。 Reference numeral 1 designates a dye transfer body in which non-sublimable particles 4 protruding from the surface 3a of a dye layer 3 are provided on a substrate 2. The dye layer 3 generally contains a binder, and the non-sublimable particles 4 may be coated with a layer 3' containing this binder, as shown in FIG. However, it is necessary that the particles 4 protrude from the surface 3a of the dye layer 3.
上記のような染料転写体によつてサーマルヘツ
ド５を用いて受像体６に記録する場合、染料転写
体１の基体２側がサーマルヘツド５に対向する。
一方、非昇華性粒子４は染料転写体における染料
層３と受像体６との間に介在し、染料層３と受像
体６との直接の接触を防ぐスペーサとして作用す
る。スペーサーの機能を十分に発揮するために
は、各画素に対応する基体２あたり、最低３個の
非昇華性粒子が存在することが必要となり、これ
らの粒子と基体および受像体との３対以上の接触
点で染料層３と受像体６とをスペーシング（直接
の接触を防ぐ）しなければならない。非昇華性粒
子がこの密度以下でしか存在しないと、スペーサ
としての機能は十分ではなく、染料層３と受像体
６との直接接触に起因するドロツプアウトやノイ
ズが発生する。 When recording on the image receptor 6 using the thermal head 5 with the dye transfer member as described above, the substrate 2 side of the dye transfer member 1 faces the thermal head 5.
On the other hand, the non-sublimable particles 4 are interposed between the dye layer 3 and the image receptor 6 in the dye transfer body, and act as a spacer to prevent direct contact between the dye layer 3 and the image receptor 6. In order to fully demonstrate the function of the spacer, it is necessary that there be at least three non-sublimable particles per substrate 2 corresponding to each pixel, and three or more pairs of these particles, the substrate and the image receptor. The dye layer 3 and receiver 6 must be spaced (preventing direct contact) at the contact points. If the non-sublimable particles are present at a density less than this, the function as a spacer will not be sufficient, and dropouts and noise will occur due to direct contact between the dye layer 3 and the image receptor 6.
言うまでもなく、良好な中間調画質を得るため
の非昇華性粒子４の染料転写体上での密度は、画
素の大きさ、基体２や受像体６などの平滑度、均
質性などに依存し、画素が大きく、基体２、受像
体６の平滑度や均質性が増すにつれて、非昇華性
粒子４は少ない密度でスペーサの機能を果たす。 Needless to say, the density of the non-sublimable particles 4 on the dye transfer body to obtain good halftone image quality depends on the size of the pixel, the smoothness and homogeneity of the substrate 2, the image receptor 6, etc. As the pixels become larger and the smoothness and homogeneity of the substrate 2 and image receptor 6 increase, the non-sublimable particles 4 function as spacers at a lower density.
非昇華性粒子の形状は、球形粒子がとくに効果
が大きい。これは個々の球形粒子が染料転写体に
対してどういう相対配置をとつても全く同じスペ
ーサの機能をもつからに他ならない。すなわち、
相対配置の変化によつて基体２と受像体６との間
の距離は全く変化しない。非昇華性粒子のうちで
も、金属、金属酸化物または高分子組成物などは
大きな剛性または弾性のためにとくに効果が高
い。また、非昇華性粒子の粒径は0.1〜100μｍ程
度が適当である。 Regarding the shape of non-sublimable particles, spherical particles are particularly effective. This is because the individual spherical particles have exactly the same spacer function no matter how they are positioned relative to the dye transfer body. That is,
The distance between the substrate 2 and the image receptor 6 does not change at all due to the change in relative position. Among non-sublimable particles, metals, metal oxides or polymeric compositions are particularly effective due to their high rigidity or elasticity. Further, the particle size of the non-sublimable particles is suitably about 0.1 to 100 μm.
以下に実施例を挙げて本発明をさらに詳しく説
明する。 The present invention will be explained in more detail with reference to Examples below.
実施例 １
下記の構造式Ａで表される染料２体積部、ポリ
スルホン４体積部とを塩化メチレン100体積部に
溶解した。これに対して、ジビニルベンゼン系重
合体組成物、ガラスまたは鉄よりなる平均粒径
8μｍ、粒径の標準偏差0.5μｍの球形粒子をそれぞ
れ別個に上記の溶液に0.4体積部加えて超音波分
散し、13μｍ厚のポリイミドフイルムに３ミルの
ステンレス鋼線をまきつけたワイヤ・バーでキヤ
ステイングして染料転写体とした。Example 1 2 parts by volume of a dye represented by the following structural formula A and 4 parts by volume of polysulfone were dissolved in 100 parts by volume of methylene chloride. In contrast, divinylbenzene-based polymer compositions, glass, or iron with an average particle size of
Spherical particles of 8 μm and standard deviation of particle size of 0.5 μm were separately added in 0.4 parts by volume to the above solution, dispersed ultrasonically, and then dispersed using a wire bar made of a 13 μm thick polyimide film wrapped with 3 mil stainless steel wire. A dye transfer material was obtained by staining.
検鏡して染料転写体のうちの任意の250μｍ×
250μｍの部分に３個以上の粒子の存在を確認し
た。 Examine any 250 μm of the dye transfer material using a microscope.
The presence of three or more particles was confirmed in the 250 μm area.
これらの染料転写体を用い、サーマルヘツドで
ポリプロピレン製の合成紙にクレーを塗工した受
像体に記録画像を描かせた。記録条件は次のとお
りである。 Using these dye transfer bodies, a recorded image was drawn using a thermal head on a receiver made of polypropylene synthetic paper coated with clay. The recording conditions were as follows.
主走査、副走査の線密度：４ドツト／mm
記録電力：0.7W／ドツト
ヘツドの加熱時間：４ｍｓ
1000ドツトあたりのドロツプアウトとノイズの
発生件数はいずれの場合も５件以下であつた。な
お、球形粒子を配合しないでつくつた染料転写体
のドロツプアウトは50件以上、ノイズは100件以
上であつた。Main scanning and sub-scanning linear density: 4 dots/mm Recording power: 0.7 W/dot head heating time: 4 ms The number of dropouts and noises per 1000 dots was 5 or less in all cases. In addition, there were more than 50 cases of dropout and more than 100 cases of noise for the dye transfer material made without incorporating spherical particles.
実施例 ２
実施例１と同じ染料とポリスルホンの同体積の
塩化メチレン溶液に平均粒径10μｍ、粒径の標準
偏差2μｍのジビニルベンゼン系重合体組成物よ
りなる球形粒子を0.8体積部加えて超音波分散し、
12μｍ厚、ベツク平滑度が１万秒以上のコンデン
サ紙に10ミルのステンレス鋼線をまきつけたワイ
ヤ・バーでキヤステイングして染料転写とした。
検鏡して染料転写体の任意の125ｍμｍ125μｍの
部分に５ケ以上の粒子の存在を確認した。Example 2 0.8 parts by volume of spherical particles made of a divinylbenzene polymer composition with an average particle size of 10 μm and a standard deviation of particle sizes of 2 μm were added to a methylene chloride solution of the same volume as the same dye and polysulfone as in Example 1, and the mixture was subjected to ultrasonic waves. dispersed,
Dye transfer was performed by casting capacitor paper with a thickness of 12 μm and a Beck smoothness of 10,000 seconds or more using a wire bar wrapped with 10 mil stainless steel wire.
The presence of 5 or more particles was confirmed in any 125 μm area of the dye transfer material by microscopic examination.
これらの染料転写体を用い、サーマルヘツドで
ベツク平滑度が約1000秒のクレー紙に記録画像を
描かせた。記録条件は次のとおりである。 Using these dye transfer bodies, a recorded image was drawn on clay paper with a bed smoothness of about 1000 seconds using a thermal head. The recording conditions were as follows.
主走査、副走査の線密度：８ドツト／mm
記録電力：0.21W／ドツト
ヘツドの加熱時間：４ｍｓ
1000ドツトあたりのドロツプアウトとノイズの
発生件数はいずれも10件以下であつた。なお、球
形粒子を含まないで同様につくつた染料転写体の
ドロツプアウト、ノイズはともに100件以上であ
つた。Main scanning and sub-scanning linear density: 8 dots/mm Recording power: 0.21 W/Dot head heating time: 4 ms The number of dropouts and noise occurrences per 1000 dots were 10 or less. In addition, there were more than 100 dropouts and noises for a dye transfer material made in the same manner without containing spherical particles.
上記の実施例から、本発明の染料転写体を用い
て得た記録画像は、ドロツプアウト、ノイズとも
に比較例よりもはるかに少ない良好な画質をもつ
ことがわかる。 From the above examples, it can be seen that the recorded images obtained using the dye transfer material of the present invention have good image quality with far fewer dropouts and noise than the comparative examples.
発明の効果
以上のように、本発明の染料転写体は、ドロツ
プアウトとノイズとを低減した良好な記録画像を
与える。また、シアン、マゼンタおよびイエロの
記録画像を与える三種類の染料転写体を用いてフ
ルカラー画像も得られる。Effects of the Invention As described above, the dye transfer member of the present invention provides good recorded images with reduced dropouts and noise. Full-color images can also be obtained using three types of dye transfer bodies that provide cyan, magenta, and yellow recorded images.
第１図は本発明の一実施例における染料転写体
による記録時の縦断面図、第２図は染料転写体の
他の構成例を示す縦断面図である。
１……染料転写体、２……基体、３……昇華性
染料層、３ａ……染料層３の表面、４……非昇華
性粒子、５……サーマルヘツド、６……受像体。
FIG. 1 is a longitudinal cross-sectional view of a dye transfer member according to an embodiment of the present invention during recording, and FIG. 2 is a longitudinal cross-sectional view showing another example of the structure of the dye transfer member. DESCRIPTION OF SYMBOLS 1...Dye transfer body, 2...Substrate, 3...Sublimable dye layer, 3a...Surface of dye layer 3, 4...Non-sublimable particles, 5...Thermal head, 6... Image receptor.
Claims (1)
有する非昇華性粒子を含む転写体を基体上に設
け、前記昇華性染料が形成する前記染料層表面よ
り前記非昇華性粒子が突出し、かつ前記非昇華性
粒子が印字画素１個あたりそれぞれ３個を下限と
して前記染料層に含まれてなる染料転写体。 ２ 非昇華性粒子が球形である特許請求の範囲第
１項記載の染料転写体。 ３ 非昇華性粒子が金属、金属酸化物または高分
子組成物を主体としてなる特許請求の範囲第１項
または第２項記載の染料転写体。[Scope of Claims] 1. A transfer body containing a sublimable dye and non-sublimable particles having a particle size larger than the thickness of the dye layer is provided on a substrate, and the non-sublimable dye is removed from the surface of the dye layer formed by the sublimable dye. A dye transfer material comprising protruding non-sublimable particles and a lower limit of three non-sublimable particles per printed pixel in the dye layer. 2. The dye transfer material according to claim 1, wherein the non-sublimable particles are spherical. 3. The dye transfer material according to claim 1 or 2, wherein the non-sublimable particles are mainly composed of a metal, a metal oxide, or a polymer composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58006309A JPS59131495A (en) | 1983-01-18 | 1983-01-18 | Dye transfer medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58006309A JPS59131495A (en) | 1983-01-18 | 1983-01-18 | Dye transfer medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59131495A JPS59131495A (en) | 1984-07-28 |
| JPH0441077B2 true JPH0441077B2 (en) | 1992-07-07 |
Family
ID=11634767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58006309A Granted JPS59131495A (en) | 1983-01-18 | 1983-01-18 | Dye transfer medium |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59131495A (en) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60229794A (en) * | 1984-04-27 | 1985-11-15 | Matsushita Electric Ind Co Ltd | Heat transfer thermal recording method |
| JPS61125886A (en) * | 1984-11-22 | 1986-06-13 | Matsushita Electric Ind Co Ltd | Thermal transfer recording sheet |
| JPS61125891A (en) * | 1984-11-22 | 1986-06-13 | Matsushita Electric Ind Co Ltd | Thermal transfer recording sheet |
| JPH0662017B2 (en) * | 1984-10-29 | 1994-08-17 | 松下電器産業株式会社 | Thermal transfer recording sheet |
| DE3580514D1 (en) * | 1984-05-30 | 1990-12-20 | Matsushita Electric Ind Co Ltd | HEAT TRANSFERABLE LAYER AND METHOD FOR PRODUCING IT. |
| JPS61123589A (en) * | 1984-11-21 | 1986-06-11 | Matsushita Electric Ind Co Ltd | Heat transfer recording sheet and manufacture thereof |
| JPS61125894A (en) * | 1984-11-22 | 1986-06-13 | Matsushita Electric Ind Co Ltd | Thermal transfer recorder |
| JPS61137782A (en) * | 1984-12-10 | 1986-06-25 | Matsushita Electric Ind Co Ltd | Thermal transfer recorder |
| JPS61175090A (en) * | 1985-01-31 | 1986-08-06 | Matsushita Electric Ind Co Ltd | Transfer material for thermal recording |
| JPS6223788A (en) * | 1985-07-24 | 1987-01-31 | Matsushita Electric Ind Co Ltd | Method for transfer-type thermal recording |
| JPH0777831B2 (en) * | 1985-07-24 | 1995-08-23 | 松下電器産業株式会社 | Dye transfer body |
| JPH07106676B2 (en) * | 1985-07-24 | 1995-11-15 | 松下電器産業株式会社 | Transfer-type thermal recording method |
| JPS6268787A (en) * | 1985-09-20 | 1987-03-28 | Matsushita Electric Ind Co Ltd | Thermal transfer recording sheet |
| JPH0790665B2 (en) * | 1986-08-27 | 1995-10-04 | 株式会社日立製作所 | Thermal transfer method and thermal transfer ink sheet used therefor |
| CA1296894C (en) * | 1987-08-31 | 1992-03-10 | Daniel J. Harrison | Anti-tack adhesive surface for thermal print elements |
| US4753922A (en) * | 1987-11-20 | 1988-06-28 | Eastman Kodak Company | Neutral-black dye-donor element for thermal dye transfer |
| US4772582A (en) * | 1987-12-21 | 1988-09-20 | Eastman Kodak Company | Spacer bead layer for dye-donor element used in laser-induced thermal dye transfer |
| US4876235A (en) * | 1988-12-12 | 1989-10-24 | Eastman Kodak Company | Dye-receiving element containing spacer beads in a laser-induced thermal dye transfer |
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|---|---|---|---|---|
| JPS499303A (en) * | 1972-05-26 | 1974-01-26 | ||
| JPS5229306A (en) * | 1975-08-27 | 1977-03-05 | Basf Ag | Ink for transfer printing |
| JPS552002A (en) * | 1978-06-20 | 1980-01-09 | Toyo Pulp Kk | Method of transfer by heating sublimation |
| JPS57160691A (en) * | 1981-03-31 | 1982-10-04 | Fujitsu Ltd | Ink composition for heat transfer recording and heat transfer recording ink sheet employing said composition |
| JPS5979788A (en) * | 1982-10-29 | 1984-05-09 | Sony Corp | Heat-sublimable ink ribbon |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS499303A (en) * | 1972-05-26 | 1974-01-26 | ||
| JPS5229306A (en) * | 1975-08-27 | 1977-03-05 | Basf Ag | Ink for transfer printing |
| JPS552002A (en) * | 1978-06-20 | 1980-01-09 | Toyo Pulp Kk | Method of transfer by heating sublimation |
| JPS57160691A (en) * | 1981-03-31 | 1982-10-04 | Fujitsu Ltd | Ink composition for heat transfer recording and heat transfer recording ink sheet employing said composition |
| JPS5979788A (en) * | 1982-10-29 | 1984-05-09 | Sony Corp | Heat-sublimable ink ribbon |
| JPH0345145A (en) * | 1989-07-10 | 1991-02-26 | Toshiba Corp | Torsional vibration measuring device for shaft of electrical rotary machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59131495A (en) | 1984-07-28 |
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