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JPH0720705B2 - Thermal transfer image forming device - Google Patents

Thermal transfer image forming device

Info

Publication number
JPH0720705B2
JPH0720705B2 JP4810290A JP4810290A JPH0720705B2 JP H0720705 B2 JPH0720705 B2 JP H0720705B2 JP 4810290 A JP4810290 A JP 4810290A JP 4810290 A JP4810290 A JP 4810290A JP H0720705 B2 JPH0720705 B2 JP H0720705B2
Authority
JP
Japan
Prior art keywords
laser beam
ink
transfer
image forming
paper
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
Application number
JP4810290A
Other languages
Japanese (ja)
Other versions
JPH03248855A (en
Inventor
稜雄 高梨
英史 田中
豊 溝口
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Priority to JP4810290A priority Critical patent/JPH0720705B2/en
Publication of JPH03248855A publication Critical patent/JPH03248855A/en
Publication of JPH0720705B2 publication Critical patent/JPH0720705B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • 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) この発明は透明記録紙に画像を転写する熱転写式画像形
成装置に係り、詳しくは、レーザビームを照射し、この
レーザビームの光エネルギを熱エネルギに変換して得ら
れる熱で画像を転写する熱転写式画像形成装置に関す
る。
Description: TECHNICAL FIELD The present invention relates to a thermal transfer type image forming apparatus for transferring an image onto a transparent recording paper, and more specifically, it irradiates a laser beam and heats the optical energy of the laser beam. The present invention relates to a thermal transfer image forming apparatus that transfers an image with heat obtained by converting the energy.

(従来の技術) 熱転写式画像形成装置は、従来、サーマルヘッドに複数
の発熱抵抗素子を整列して設け、この発熱抵抗素子を選
択的に通電して発熱させ、発熱抵抗素子の発熱で転写紙
を加熱して転写紙に包含された熱溶融性インクあるいは
熱昇華性色素を記録紙に転写するものが知られる(特開
昭62−11370号公報等参照)。
(Prior Art) Conventionally, a thermal transfer type image forming apparatus is provided with a plurality of heating resistance elements arranged in a line on a thermal head, and the heating resistance elements are selectively energized to generate heat. It is known to heat the ink to transfer the heat-meltable ink or the heat-sublimable dye contained in the transfer paper to the recording paper (see Japanese Patent Laid-Open No. 62-11370, etc.).

しかしながら、このような従来の熱転写式画像形成装置
は、サーマルヘッドに多数の発熱抵抗素子を設け、これ
ら発熱抵抗素子を保護膜で被覆して保護することが不可
欠であるため、サーマルヘッドの製造には微細加工が不
可欠で製造コストが大きく、また、発熱抵抗素子の発す
る熱が保護膜において拡散して鮮明な画像を得ることが
困難であるという問題がある。
However, in such a conventional thermal transfer type image forming apparatus, it is indispensable to provide a large number of heat generating resistance elements on the thermal head and to protect these heat generating resistance elements by covering them with a protective film. However, there is a problem in that fine processing is indispensable, the manufacturing cost is high, and the heat generated by the heat generating resistance element is diffused in the protective film, making it difficult to obtain a clear image.

そこで、本出願人は、製造コストが小さく、かつ鮮明な
画像を得られる熱転写式画像形成装置と、この画像形成
装置に適した転写紙とを先に提案した(平成1年12月27
日提出の特許願)。この熱転写式画像形成装置は、転写
紙にレーザビームを照射して、レーザビームにより転写
紙を加熱して記録紙に画像を転写する。そして、転写紙
には、基体の一面にレーザビームの光エネルギを熱エネ
ルギに変換する光吸収層を、また、基体の他面にインク
層を設け、レーザビームの光エネルギの熱エネルギへの
変換を高い効率で行わせる。
Therefore, the present applicant has previously proposed a thermal transfer image forming apparatus that is low in manufacturing cost and capable of obtaining a clear image, and a transfer sheet suitable for the image forming apparatus (December 27, 1991).
Patent application filed on the day). This thermal transfer image forming apparatus irradiates a transfer sheet with a laser beam, heats the transfer sheet with the laser beam, and transfers an image onto the recording sheet. The transfer paper is provided with a light absorbing layer for converting the light energy of the laser beam into heat energy on one surface of the substrate and an ink layer on the other surface of the substrate for converting the light energy of the laser beam into heat energy. With high efficiency.

(発明が解決しようとする課題) しかしながら、上述した先願にかかる熱転写式画像形成
装置にあっては、基体の一面に光吸収層とインク層が設
けられ、光吸収層で発生した熱は基体を経てインク層へ
伝導するため、転写紙に比較して記録紙の温度が低く、
転写紙で溶融した溶融インクが記録紙へ円滑に移動でき
ず、画像の濃度低下や画像の歪を招くという問題があっ
た。
(Problems to be Solved by the Invention) However, in the thermal transfer type image forming apparatus according to the above-mentioned prior application, the light absorbing layer and the ink layer are provided on one surface of the base, and the heat generated in the light absorbing layer is applied to the base. Since it conducts to the ink layer via the, the temperature of the recording paper is lower than that of the transfer paper,
There is a problem that the melted ink melted on the transfer paper cannot move smoothly to the recording paper, resulting in a decrease in image density and image distortion.

この発明は、上記問題に鑑みてなされたもので、画像を
高い濃度で歪を生じること無く形成できる熱転写式画像
形成装置を提供することを目的とする。
The present invention has been made in view of the above problems, and an object of the present invention is to provide a thermal transfer image forming apparatus capable of forming an image at a high density without causing distortion.

(課題を解決するための手段) この発明は、記録紙と転写紙とを密着させた状態でレー
ザビームを照射し、このレーザビームにより転写紙を加
熱して転写紙のインクを記録紙に転写する熱転写式画像
形成装置であって、前記記録紙を透光性材料から成る基
体にレーザビームにより発熱する光吸収層と前記転写紙
に密着してインクを受容するインク受容層とを積層して
構成し、レーザビームを記録紙の基体側から照射するこ
とが要旨である。
(Means for Solving the Problem) The present invention irradiates a laser beam with the recording paper and the transfer paper in close contact with each other, heats the transfer paper with the laser beam, and transfers the ink of the transfer paper to the recording paper. In the thermal transfer image forming apparatus, the recording paper is laminated on a substrate made of a translucent material with a light absorbing layer that generates heat by a laser beam and an ink receiving layer that adheres to the transfer paper and receives ink. It is a gist to configure and irradiate the laser beam from the base side of the recording paper.

(作用) この発明の熱転写式画像形成装置は、レーザビームが記
録紙側から照射され、このレーザビームが基体を透過し
て光吸収層に到達し、光吸収層でレーザビームの光エネ
ルギが熱エネルギに変換されて光吸収層のレーザビーム
を照射された部分が発熱する。そして、この光吸収層で
発生する熱はインク受容層に伝達されてインク受容層は
光吸収層の発熱部分に対応した部分が加熱され、このイ
ンク受容層の加熱部分を経て転写紙に熱が伝達されて転
写紙が加熱されるため、転写紙において溶融(昇華)し
たインクはインク受容層に円滑に移動できる。したがっ
て、高い濃度で歪が少ない鮮明な画像を得られる。
(Operation) In the thermal transfer type image forming apparatus of the present invention, the laser beam is irradiated from the recording paper side, the laser beam passes through the substrate and reaches the light absorption layer, and the light energy of the laser beam is heated by the light absorption layer. The portion of the light absorption layer which is converted into energy and irradiated with the laser beam generates heat. Then, the heat generated in the light absorbing layer is transferred to the ink receiving layer, the portion of the ink receiving layer corresponding to the heat generating portion of the light absorbing layer is heated, and the heat is transferred to the transfer paper via the heated portion of the ink receiving layer. Since the transfer paper is transferred and heated, the ink melted (sublimated) in the transfer paper can smoothly move to the ink receiving layer. Therefore, it is possible to obtain a clear image with high density and little distortion.

(実施例) 以下、この発明の実施例を図面を参照して説明する。Embodiment An embodiment of the present invention will be described below with reference to the drawings.

第1図から第3図はこの発明の一実施例にかかる熱転写
式画像形成装置を表し、第1図が要部の模式断面図、第
2図が模式斜視図、第3図が模式側面図である。
1 to 3 show a thermal transfer type image forming apparatus according to an embodiment of the present invention. FIG. 1 is a schematic sectional view of a main part, FIG. 2 is a schematic perspective view, and FIG. 3 is a schematic side view. Is.

第2図および第3図において、11は記録紙、12は転写紙
であり、記録紙11の上方には一対の紙押えローラ13L,13
Rとレーザビーム発光器14とが、転写紙12の下方には紙
押えローラ15L,15Rとプラテンローラ16とが配設されて
いる。紙押えローラ13L,13R,15L,15Rは、図示しないモ
ータにより回転駆動され、記録紙11を狭圧して図中左右
方向Aに送紙する。プラテンローラ16は、図示しない昇
降機構等で昇降可能に支持され、画像の形成時(記録作
動時)に上昇して転写紙12と接触し(第3図中実線位
置)、転写紙12の送紙時に下降して転写紙12から離隔す
る(第3図中破線位置)。
In FIG. 2 and FIG. 3, 11 is a recording paper, 12 is a transfer paper, and above the recording paper 11 is a pair of paper pressing rollers 13L, 13
An R and a laser beam emitter 14 are arranged below the transfer paper 12, and paper pressing rollers 15L and 15R and a platen roller 16 are arranged below the transfer paper 12. The paper pressing rollers 13L, 13R, 15L, 15R are rotationally driven by a motor (not shown) to compress the recording paper 11 and feed it in the left-right direction A in the drawing. The platen roller 16 is supported by an elevating mechanism (not shown) so as to be able to move up and down, and moves up during image formation (during recording operation) to come into contact with the transfer paper 12 (solid line position in FIG. 3), and the transfer paper 12 is fed. When it is paper, it descends and separates from the transfer paper 12 (the position of the broken line in FIG. 3).

レーザビーム発光器14は、半導体レーザ、変調器、反射
鏡およびf・θレンズ等から構成される。このレーザビ
ーム発光器14は、半導体レーザが出力するレーザビーム
LBを形成する画像に応じて変調器で変調し、また、この
変調されたレーザビームLBを反射鏡の回転等により操作
して記録紙11に照射する。なお、このレーザビーム発光
器14は、周知のレーザプリンタ等に使用されるものとほ
ぼ同一であり、その説明を割愛する。
The laser beam emitter 14 is composed of a semiconductor laser, a modulator, a reflecting mirror, an f.theta. Lens and the like. This laser beam emitter 14 is a laser beam emitted by a semiconductor laser.
Modulation is performed by a modulator in accordance with an image forming LB, and the modulated laser beam LB is operated by rotating a reflecting mirror or the like to irradiate the recording paper 11. The laser beam emitter 14 is almost the same as that used in a well-known laser printer or the like, and a description thereof will be omitted.

記録紙11は、第1図に示すように、ベースフィルム(基
体)17に反射防止膜18、光吸収層19およびインク受容層
20を積層して成り、インク受容層20が転写紙12と密着す
る。ベースフィルム17はポリエチレンテレフタレートあ
るいはポリカーボネートの透光性材料等から成り、光吸
収層19はタンタルTaあるいはテレビウムTb等のレーザビ
ームLBの光エネルギを熱エネルギに変換する材料から成
る。この記録紙11は、ベースフィルム17側からレーザビ
ームLBを照射され(第2,3図参照)このレーザビームLB
がベースフィルム17を透過して光吸収層19に到達し、光
吸収層19のレーザビームLBを照射された部分が発熱して
熱がインク受容層20を経て転写紙12に伝導する。
As shown in FIG. 1, the recording paper 11 includes a base film (base) 17, an antireflection film 18, a light absorbing layer 19, and an ink receiving layer.
The ink receiving layer 20 is formed by stacking 20 and is in close contact with the transfer paper 12. The base film 17 is made of translucent material such as polyethylene terephthalate or polycarbonate, the light absorbing layer 19 comprises a light energy of a laser beam LB, such as tantalum T a or Terebiumu T b of a material to be converted to thermal energy. This recording paper 11 is irradiated with the laser beam LB from the side of the base film 17 (see FIGS. 2 and 3).
Passes through the base film 17 and reaches the light absorption layer 19, and the portion of the light absorption layer 19 irradiated with the laser beam LB generates heat and heat is conducted to the transfer paper 12 through the ink receiving layer 20.

転写紙12は、供給ローラ20と巻取ローラ21との間にプラ
テンローラ16の上部を経て掛装され、ローラ20,21の回
転で図中左右方向Aに送られる。この転写紙12は、ベー
スフィルム23にインク浸透防止層24とインク層25とを積
層して成り、インク層25が記録紙11のインク受容層20と
密着する。ベースフィルム23はポリエチレンテレフタレ
ートあるいはグラシン紙等から成り、インク層25は顔料
をカルナウバワックス等のバインダ中に分散されて成り
熱溶融性を有する。このインク層25は送り方向Aにイエ
ロY,マゼンダM,シアンCおよびブラック等に色分けされ
ている。この転写紙12は、記録紙11から伝導する熱でイ
ンク層25の熱溶融性インクが溶融して記録紙11に付着す
る。なお、この転写紙12はインク層25を熱昇華性のイン
クを用いて構成することも可能である。
The transfer paper 12 is hung between the supply roller 20 and the take-up roller 21 via the upper part of the platen roller 16, and is fed in the left-right direction A in the figure by the rotation of the rollers 20 and 21. The transfer paper 12 is formed by laminating an ink permeation preventive layer 24 and an ink layer 25 on a base film 23, and the ink layer 25 is in close contact with the ink receiving layer 20 of the recording paper 11. The base film 23 is made of polyethylene terephthalate, glassine paper or the like, and the ink layer 25 is formed by dispersing a pigment in a binder such as carnauba wax and has a heat melting property. The ink layer 25 is color-coded in the feeding direction A into yellow Y, magenta M, cyan C, black and the like. On the transfer paper 12, the heat-melting ink of the ink layer 25 is melted by the heat conducted from the recording paper 11 and adheres to the recording paper 11. The ink layer 25 of the transfer paper 12 may be made of thermally sublimable ink.

この実施例の熱転写式画像形成装置は、イエロ,マゼン
ダ,シアンおよびブラック等の色の画像を記録紙11に重
ねて形成し、これらの画像の合成画像として多色の画像
を得る。
The thermal transfer image forming apparatus of this embodiment forms images of colors such as yellow, magenta, cyan and black on the recording paper 11 so as to form a multicolor image as a composite image of these images.

例えば、イエロの画像を形成する場合は、プラテンロー
ラ16を下降させて転写紙12をインク層25のイエロ部分が
プラテンローラ16上に位置するまで送り出した後に、プ
ラテンローラ16を転写紙12と当接するまで上昇させてプ
ラテンローラ16上で転写紙12と記録紙11とを密着させ
る。そして、レーザビーム発光器14によりイエロの画像
に応じたレーザビームLBを記録紙11の上方から記録紙11
に向けて照射し、このレーザビームLBが記録紙11のベー
スフィルム17を透過して光吸収層19に到達する。このた
め、光吸収層19が発熱して熱がインク受容層20を経て転
写紙12のインク層25へ伝導し、インク層25から熱溶融性
インク(第1図中の小矢印)が溶融してインク受容層20
へ移動し、このインクがインク受容層20に吸着されて画
像が形成される。ここで、この画像形成時においては、
光吸収層19はレーザビームLBを照射された部分(発熱部
分)が発熱し、インク受容層20は光吸収層19の発熱部分
から伝導する熱で発熱部分に対応した部分(加熱部分)
が加熱され、さらに、インク層25はインク受容層20の加
熱部分から伝導する熱で加熱部分に対応した部分(加熱
部分)が加熱され、溶融インクはインク層25の加熱部分
からインク受容層20の加熱部分へ移動する。したがっ
て、溶融インクは転写紙12から記録紙11へ円滑に移動で
き、高い濃度で歪が少ない画像を得られる。
For example, when forming a yellow image, the platen roller 16 is lowered to feed the transfer paper 12 until the yellow portion of the ink layer 25 is positioned on the platen roller 16, and then the platen roller 16 is brought into contact with the transfer paper 12. The transfer paper 12 and the recording paper 11 are brought into close contact with each other on the platen roller 16 by raising them until they come into contact with each other. Then, the laser beam LB corresponding to the yellow image is emitted from above the recording paper 11 from the recording paper 11 by the laser beam emitter 14.
The laser beam LB passes through the base film 17 of the recording paper 11 and reaches the light absorption layer 19. Therefore, the light absorbing layer 19 generates heat and heat is conducted to the ink layer 25 of the transfer paper 12 via the ink receiving layer 20, and the heat-melting ink (small arrow in FIG. 1) melts from the ink layer 25. Ink receiving layer 20
The ink is adsorbed on the ink receiving layer 20 to form an image. Here, at the time of this image formation,
The portion of the light absorbing layer 19 irradiated with the laser beam LB (heat generating portion) generates heat, and the ink receiving layer 20 corresponds to the heat generating portion due to heat conducted from the heat generating portion of the light absorbing layer 19 (heated portion).
The ink layer 25 is heated, and the portion of the ink layer 25 corresponding to the heated portion is heated by the heat conducted from the heated portion of the ink receiving layer 20 (heating portion). Move to the heated part of. Therefore, the melted ink can move smoothly from the transfer paper 12 to the recording paper 11, and an image with high density and less distortion can be obtained.

なお、このイエロの画像形成が終了すると他の色(マゼ
ンダ等)の画像を順次形成するが、これらの色の画像の
形成は上述したイエロの画像と同様に行なわれる。
When the yellow image formation is completed, images of other colors (magenta, etc.) are sequentially formed. The formation of these color images is performed in the same manner as the yellow image described above.

(発明の効果) 以上説明したように、この発明にかかる熱転写式画像形
成装置によれば、記録紙にレーザビームの光エネルギを
熱エネルギに変換する光吸収層を形成し、記録紙にレー
ザビームを照射して光吸収層を発熱させ、この光吸収層
の発熱で転写紙を加熱するため、転写紙から記録紙へイ
ンクが円滑に移動でき、歪が少なく高い濃度の画像を形
成できる。
(Effects of the Invention) As described above, according to the thermal transfer type image forming apparatus of the present invention, the light absorbing layer for converting the light energy of the laser beam into the heat energy is formed on the recording paper, and the laser beam is formed on the recording paper. Is applied to heat the light absorption layer, and the heat generated by the light absorption layer heats the transfer paper, so that the ink can be smoothly transferred from the transfer paper to the recording paper, and an image with high distortion and high density can be formed.

【図面の簡単な説明】[Brief description of drawings]

第1図から第3図はこの説明の一実施例にかかる熱転写
式画像形成装置を示し、第1図が要部の模式断面図、第
2図が全体の模式斜視図、第3図が全体の模式側面図で
ある。 11…記録紙、12…転写紙、14…レーザビーム発光器、17
…ベースフィルム(基体)、19…光吸収層、20…インク
受容層、23…ベースフィルム、25…インク層。
1 to 3 show a thermal transfer type image forming apparatus according to an embodiment of this description. FIG. 1 is a schematic sectional view of a main part, FIG. 2 is a schematic perspective view of the whole, and FIG. FIG. 11 ... Recording paper, 12 ... Transfer paper, 14 ... Laser beam emitter, 17
... base film (base), 19 ... light absorbing layer, 20 ... ink receiving layer, 23 ... base film, 25 ... ink layer.

フロントページの続き (56)参考文献 特開 平3−26595(JP,A) 特開 平3−197187(JP,A) 特開 昭62−11688(JP,A) 特開 平1−299057(JP,A)Continuation of the front page (56) References JP-A-3-26595 (JP, A) JP-A-3-197187 (JP, A) JP-A-62-11688 (JP, A) JP-A 1-299057 (JP , A)

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】記録紙と転写紙とを密着させた状態でレー
ザビームを照射し、このレーザビームにより転写紙を加
熱して転写紙のインクを記録紙に転写する熱転写式画像
形成装置であって、 前記記録紙を透光性材料から成る基体にレーザビームに
より発熱する光吸収層と前記転写紙に密着してインクを
受容するインク受容層とを積層して構成し、レーザビー
ムを記録紙の基体側から照射することを特徴とする熱転
写式画像形成装置。
1. A thermal transfer image forming apparatus for irradiating a laser beam with a recording sheet and a transfer sheet in close contact with each other, and heating the transfer sheet by the laser beam to transfer the ink of the transfer sheet to the recording sheet. The recording paper is formed by laminating a light absorbing layer that generates heat by a laser beam on a substrate made of a translucent material and an ink receiving layer that adheres to the transfer paper and receives ink. The thermal transfer type image forming apparatus is characterized in that irradiation is performed from the side of the substrate.
JP4810290A 1990-02-28 1990-02-28 Thermal transfer image forming device Expired - Lifetime JPH0720705B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4810290A JPH0720705B2 (en) 1990-02-28 1990-02-28 Thermal transfer image forming device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4810290A JPH0720705B2 (en) 1990-02-28 1990-02-28 Thermal transfer image forming device

Publications (2)

Publication Number Publication Date
JPH03248855A JPH03248855A (en) 1991-11-06
JPH0720705B2 true JPH0720705B2 (en) 1995-03-08

Family

ID=12793953

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4810290A Expired - Lifetime JPH0720705B2 (en) 1990-02-28 1990-02-28 Thermal transfer image forming device

Country Status (1)

Country Link
JP (1) JPH0720705B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7480476B2 (en) 2003-02-28 2009-01-20 Ricoh Company, Ltd. Developer container, developer supplying device, and image forming apparatus
US9465317B2 (en) 2013-02-25 2016-10-11 Ricoh Company, Ltd. Nozzle insertion member, powder container, and image forming apparatus
US12313987B2 (en) 2011-11-25 2025-05-27 Ricoh Company, Ltd. Powder container with a nozzle receiver

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101030028B1 (en) * 2009-11-30 2011-04-20 삼성모바일디스플레이주식회사 Laser thermal transfer method, organic film patterning method using same and manufacturing method of organic light emitting display device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7480476B2 (en) 2003-02-28 2009-01-20 Ricoh Company, Ltd. Developer container, developer supplying device, and image forming apparatus
US7519317B2 (en) 2003-02-28 2009-04-14 Ricoh Company, Ltd. Developer container, developer supplying device, and image forming apparatus
US12313987B2 (en) 2011-11-25 2025-05-27 Ricoh Company, Ltd. Powder container with a nozzle receiver
US9465317B2 (en) 2013-02-25 2016-10-11 Ricoh Company, Ltd. Nozzle insertion member, powder container, and image forming apparatus

Also Published As

Publication number Publication date
JPH03248855A (en) 1991-11-06

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