JPH054343A - Recording device - Google Patents
Recording deviceInfo
- Publication number
- JPH054343A JPH054343A JP15641991A JP15641991A JPH054343A JP H054343 A JPH054343 A JP H054343A JP 15641991 A JP15641991 A JP 15641991A JP 15641991 A JP15641991 A JP 15641991A JP H054343 A JPH054343 A JP H054343A
- Authority
- JP
- Japan
- Prior art keywords
- recording
- electric field
- recording liquid
- liquid
- medium
- 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
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、記録ヘッドに印加され
る電気信号に対応して、記録液を液滴状に吐出させ記録
を行なうう記録装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording device for recording by discharging a recording liquid in the form of liquid droplets in response to an electric signal applied to a recording head.
【０００２】[0002]
【従来の技術】従来、電気機械変換素子、または電気熱
変換素子を用いて記録液に圧力変動を与え、ノズルまた
はスリットから液滴を吐出させ、被転写媒体に付着させ
て記録をおこなう記録装置は種々のタイプのものが公知
である。2. Description of the Related Art Conventionally, a recording apparatus which uses an electromechanical conversion element or an electrothermal conversion element to apply a pressure fluctuation to a recording liquid, eject a droplet from a nozzle or a slit, and attach the droplet to a transfer medium to perform recording. Various types are known.
【０００３】特開昭５５ー１１７６６３号公報、特開昭
５７ー７５８６５号公報に開示されているように電気信
号により電気機械変換素子を変形させ、記録液に圧力変
動を与え液滴をノズルから吐出させる方式、また特願昭
５２ー１１８７９８号公報に開示されているように機械
熱変換素子が記録液の状態変化をひきおこし、その結果
生ずる作用力によって液滴化させる方式等、が提案され
ている。As disclosed in JP-A-55-117663 and JP-A-57-75865, the electromechanical conversion element is deformed by an electric signal to give pressure fluctuations to the recording liquid to cause droplets to be ejected from the nozzle. A method of ejecting the ink, and a method of causing a mechanical heat conversion element to change the state of the recording liquid as disclosed in Japanese Patent Application No. 52-118798 and causing the resulting action force to form droplets have been proposed. There is.
【０００４】これらの記録装置は低騒音、高速記録、普
通紙記録が可能等の利点を有する。These recording apparatuses have advantages such as low noise, high speed recording, and plain paper recording.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、従来の
記録装置においては被転写媒体に表面平滑度の低い、い
わゆるコピー紙、ボンド紙、再生紙等を用いて記録を行
なうと、付着した記録液液滴の滲みやヒゲが発生し印画
品質を劣化させるという欠点があった。However, in the conventional recording apparatus, when recording is performed on the transfer medium using so-called copy paper, bond paper, recycled paper or the like having a low surface smoothness, the recording liquid liquid attached There is a drawback that the bleeding of drops and beards occur and the print quality is deteriorated.
【０００６】また、２色以上の記録液を順次吐出させて
カラー記録をおこなう場合、被転写媒体上で隣接、或い
は重なった異色の記録液液滴が不均一に混じり合い、カ
ラー画品質を低下させていた。When color recording is performed by sequentially ejecting recording liquids of two or more colors, recording liquid droplets of different colors which are adjacent to or overlap with each other on the transfer medium are mixed nonuniformly to deteriorate the color image quality. I was letting it.
【０００７】本発明の目的は、表面平滑度の低い被転写
媒体に記録を行なった場合でも、記録液液滴の滲みやカ
ラー記録に於ける不均一な混色が発生しないようにして
印画品質を向上させることにある。An object of the present invention is to improve print quality by preventing bleeding of recording liquid droplets and uneven color mixing in color recording even when recording is performed on a transfer medium having a low surface smoothness. To improve.
【０００８】[0008]
【課題を解決するための手段】本発明の記録装置は、前
述の目的を達成するために、電気粘性効果を有する記録
液を液滴化させ被転写媒体に付着させる記録ヘッドと、
被転写媒体の記録液付着面に電界を形成する手段とを備
えたことを特徴とする。In order to achieve the above-mentioned object, a recording apparatus of the present invention comprises a recording head for making a recording liquid having an electrorheological effect into droplets and adhering the liquid to a transfer medium.
And a means for forming an electric field on the surface of the recording medium to which the recording liquid is attached.
【０００９】[0009]
【実施例】本実施例の記録装置で用いられる記録液は電
気粘性効果を有するものである。すなわち、外部電界の
影響をうけて見かけの粘性が変化する流体であり、流体
単独で電界により粘性が増加する単一相電気粘性流体
と、分散媒に微粒子粉末状の分散相を均一に分散させた
二相電気粘性流体とがある。本実施例においては両者共
使用可能であるが、電界による粘性の増加は後者のほう
が大きいため、望ましくは二相電気粘性流体を記録液と
して用いる。EXAMPLE The recording liquid used in the recording apparatus of this example has an electrorheological effect. That is, a fluid whose apparent viscosity changes under the influence of an external electric field, a single-phase electrorheological fluid whose viscosity increases with the electric field of a fluid alone, and a dispersion phase in the form of fine particles are uniformly dispersed in a dispersion medium. There are two-phase electrorheological fluids. Both of them can be used in this embodiment, but since the latter has a larger increase in viscosity due to an electric field, a two-phase electrorheological fluid is preferably used as the recording liquid.
【００１０】二相電気粘性流体としての記録液は主とし
て、分散媒、分散相、色剤、界面活性剤で構成される。
分散媒としては電気的に安定な誘電体の溶媒が使用でき
る。望ましくは固有電気抵抗が１０ｋΩｃｍ以上の油性
溶媒を用いる。具体例としてはケロシン、アイソパー等
の石油系脂肪族炭化水素、ｎーヘキサン、ｎーペンタン
等の脂肪族炭化水素、トルエン、キシレン等の芳香族炭
化水素、シリコン油、オリーブ油、流動パラフィン、セ
バシン酸ブチル等を挙げることができる。分散相として
は、直径０．０１〜１０μｍの固体微粒子が用いられ
る。具体例として、シリカゲル、澱粉、デキストリン、
カーボンブラック、石膏、ゼラチン、アルミナのほかイ
オン交換樹脂等の高分子重合体が挙げられる。色剤とし
ては、一般の染料、顔料が使用でき、前記高分子重合体
を染色して用いることも可能である。界面活性剤は、分
散相の分散安定性を高めるためのもので、アニオン系、
ノニオン系、陰イオン系、陽イオン系、フッソ系等の界
面活性剤が用いられる。以上の主要構成成分からなる記
録液は２５℃、無電界下において粘性が１〜５０ｃＰ、
望ましくは１〜３０ｃＰになるように成分比率を調整す
る。The recording liquid as a two-phase electrorheological fluid is mainly composed of a dispersion medium, a dispersed phase, a coloring agent and a surfactant.
An electrically stable dielectric solvent can be used as the dispersion medium. Desirably, an oily solvent having a specific electric resistance of 10 kΩcm or more is used. Specific examples thereof include petroleum-based aliphatic hydrocarbons such as kerosene and isoper, aliphatic hydrocarbons such as n-hexane and n-pentane, aromatic hydrocarbons such as toluene and xylene, silicone oil, olive oil, liquid paraffin, and butyl sebacate. Can be mentioned. As the dispersed phase, solid fine particles having a diameter of 0.01 to 10 μm are used. Specific examples include silica gel, starch, dextrin,
In addition to carbon black, gypsum, gelatin and alumina, high molecular weight polymers such as ion exchange resins can be mentioned. As the colorant, general dyes and pigments can be used, and it is also possible to dye and use the above-mentioned high molecular weight polymer. The surfactant is for increasing the dispersion stability of the dispersed phase, and is an anionic type,
A nonionic, anionic, cationic, or fluorine-containing surfactant is used. The recording liquid composed of the above main constituents has a viscosity of 1 to 50 cP at 25 ° C. under no electric field.
Desirably, the component ratio is adjusted to be 1 to 30 cP.
【００１１】本実施例の記録装置の記録ヘッドは記録液
を液滴化させ記録ドットとして被転写媒体に付着させる
機構を有するもので、液滴の形成方法により、各種方式
のものを用いることができる。具体例としては、電気機
械変換素子を用いその変形によって記録液に圧力変動を
与え、記録ヘッドに設けられたノズルから液滴状に吐出
させ記録をおこなうものとして、カイザー方式、グール
ド方式、ステムメ方式、ダイヤフラム方式等のインクジ
ェット記録ヘッドが挙げられる。また電気熱変換素子を
用い熱による気泡の発生によって記録液を液滴化し吐出
させるバブルジェット方式のインクジェット記録ヘッド
を挙げることができる。The recording head of the recording apparatus of the present embodiment has a mechanism for forming a recording liquid into droplets and attaching them as recording dots to a transfer medium, and various types of droplets can be used depending on the method of forming the droplets. it can. As a specific example, the electromechanical conversion element is used to change the pressure of the recording liquid due to its deformation, and the droplets are ejected from a nozzle provided in the recording head to perform recording, and a Kaiser method, a Gould method, and a stem method are used. Inkjet recording heads of diaphragm type and the like can be mentioned. In addition, an inkjet recording head of a bubble jet system that uses an electrothermal conversion element to generate a recording liquid into droplets by the generation of bubbles due to heat and eject the recording liquid can be mentioned.
【００１２】本実施例の記録装置の被転写媒体の記録液
付着面に電界を形成する手段は各種方式のものを使用す
ることができるが、重要なことは、記録液の液滴が被転
写媒体に付着するときに、付着位置において既に電界形
成がなされていることである。表面平滑度の低い被転写
媒体に付着した記録液液滴の滲みやカラー記録に於ける
不均一な混色の発生は液滴付着直後から開始されるた
め、その防止には付着時、付着位置において既に形成さ
れている電界によってできる限りはやく記録液の粘性あ
るいは降伏値を上げる必要がある。本実施例で使用され
る記録液の粘性の電界強度依存性は図３に示す如くであ
る。図中、Ｅ2は被転写媒体上に形成される電界強度を
示しており、このときの粘性はη2である。記録液は電
界Ｅ2印加後１ｍｓｅｃ以内で所定粘性η2に到達するた
め、前述の滲みやカラーの混色は最小限に抑えることが
できる。高品位記録を実現するために、低シェアレート
での粘性η2が１００ｃｐｓ以上、より望ましくは３０
０ｃｐｓ以上になるように、記録液組成及び電界Ｅ２を
調整する。また図中η0は記録液の無電界下の粘性であ
り、前述の如く１〜５０ｃｐｓ、更に望ましくは１〜３
０ｃｐｓになるように記録液組成を調整する。また記録
ヘッドによる液滴形成時において安定な吐出をおこなう
ため、記録液の粘性は５０ｃｐｓ以下におさえる必要が
ある。このため、記録ヘッド内での記録液に印加される
電界Ｅ1はゼロ、或いは電界印加時の記録液の粘性η1が
５０ｃｐｓ以下になるように調整する必要がある。Various means can be used as means for forming an electric field on the recording liquid adhering surface of the recording medium of the recording apparatus of this embodiment, but it is important that the recording liquid droplets are transferred. That is, an electric field has already been formed at the attachment position when attaching to the medium. The bleeding of the recording liquid droplets that adhere to the transfer medium with low surface smoothness and the occurrence of non-uniform color mixing in color recording start immediately after the droplets adhere. It is necessary to increase the viscosity or the yield value of the recording liquid as soon as possible by the already formed electric field. The dependence of the viscosity of the recording liquid used in this embodiment on the electric field strength is as shown in FIG. In the figure, E2 indicates the electric field strength formed on the transfer medium, and the viscosity at this time is η2. Since the recording liquid reaches the predetermined viscosity η2 within 1 msec after the electric field E2 is applied, the above-mentioned bleeding and color mixing can be minimized. In order to realize high-quality recording, the viscosity η2 at a low share rate is 100 cps or more, more preferably 30
The composition of the recording liquid and the electric field E2 are adjusted so as to be 0 cps or more. In the figure, η0 is the viscosity of the recording liquid under no electric field, and is 1 to 50 cps as described above, more preferably 1 to 3 cps.
The composition of the recording liquid is adjusted to be 0 cps. Further, the viscosity of the recording liquid needs to be 50 cps or less in order to perform stable ejection when the liquid droplets are formed by the recording head. Therefore, it is necessary to adjust the electric field E1 applied to the recording liquid in the recording head to be zero, or to adjust the viscosity η1 of the recording liquid when the electric field is applied to 50 cps or less.
【００１３】また被転写媒体上の電界が、記録液液滴の
付着後、分散媒の乾燥あるいは被転写媒体中への浸透に
より記録液の粘性が増加し、滲みやカラーの混色が生じ
なくなるまで一定値以上を維持しているように電界形成
手段を設ける必要がある。Further, the electric field on the transfer medium causes the viscosity of the recording liquid to increase due to the drying of the dispersion medium or the permeation into the transfer medium after the deposition of the recording liquid droplets until the bleeding and color mixing do not occur. It is necessary to provide the electric field forming means so as to maintain a certain value or more.
【００１４】次に電界を形成する手段の具体例について
説明する。第１の例として帯電デバイスを使用し、被転
写媒体の記録液付着面に電荷を付与し、面上に電界を形
成する方法がある。接触帯電方式として、放電ワイヤの
周囲に半空間を占めるケーシング電極とそのほぼ中心に
置かれた放電ワイヤより構成され、コロナ放電により電
荷を付与するコロトロンデバイスを用いる電界形成手
段、コロトロンデバイスにグリッド電極を付加したスコ
ロトロンデバイスを用いる電界形成手段、また接触帯電
方式として、電荷供給ローラを被転写媒体と接触回転さ
せながら電荷移動による帯電をおこなうローラ帯電デバ
イスを用いる電界形成手段、導電性ブラシに直流電圧を
印加した状態でブラシ先端を接触させて電荷を付与する
導電性ブラシデバイスを用いる電界形成手段等を挙げる
ことができる。Next, a specific example of means for forming an electric field will be described. As a first example, there is a method in which a charging device is used and an electric field is formed on the surface of the recording medium to which a recording liquid is attached by applying an electric charge. As a contact charging method, a field electrode forming means and a corotron device using a corotron device that is provided with a casing electrode that occupies a half space around the discharge wire and a discharge wire placed almost in the center of the casing electrode Electric field forming means using a scorotron device to which a grid electrode is added, and as a contact charging method, an electric field forming means using a roller charging device that performs charge transfer by rotating a charge supply roller in contact with a transfer medium and a conductive brush. There may be mentioned an electric field forming means using a conductive brush device in which the tip of the brush is brought into contact with the DC brush to apply an electric charge thereto.
【００１５】電界を形成する手段の他の具体例として、
被転写媒体の記録液付着面と反対側に背面電極を設け、
さらに被転写媒体をはさむように背面電極と平行に対抗
電極を形成し、両電極間に直流電圧を印加する電界形成
手段がある。As another specific example of the means for forming an electric field,
A back electrode is provided on the opposite side of the transfer medium to which the recording liquid is attached,
Further, there is an electric field forming means that forms a counter electrode in parallel with the back electrode so as to sandwich the transfer medium, and applies a DC voltage between both electrodes.
【００１６】また他の例として、記録時に被転写媒体を
支持するプラテンロール或いは支持板にエレクトレット
を用いる電界形成手段がある。エレクトレットは外部電
界が存在しない状態でも恒久的に電気分極を保持し、周
囲に対して電界を形成するため、これをプラテンロール
或いは支持板に用い被転写媒体の記録液付着面に電界を
形成する方法である。エレクトレットはフィルム化ある
いは不織布状にして用いることも可能である。As another example, there is an electric field forming means that uses an electret as a platen roll or a supporting plate that supports the medium to be transferred during recording. The electret permanently retains electric polarization even in the absence of an external electric field, and forms an electric field with respect to the surroundings. Therefore, this is used as a platen roll or a support plate to form an electric field on the recording liquid adhering surface of the transfer medium. Is the way. The electret can be used in the form of a film or a non-woven fabric.
【００１７】（実施例１）図１は本実施例の記録装置の
ブロック図を示したものである。(Embodiment 1) FIG. 1 is a block diagram of a recording apparatus of this embodiment.
【００１８】図中、符号１０１は記録ヘッド、符号１０
２は被転写媒体、符号１０３は転写ドラム、符号１０４
は電界形成手段としてのコロトロンデバイス、符号１０
５はヒーター、符号１０６は紙送りローラー、符号１０
７は記録液の液滴を示す。被転写媒体１０２の搬送方
向、及び転写ドラム１０３の回転方向はそれぞれ図の矢
印に示す如くである。In the figure, reference numeral 101 is a recording head and reference numeral 10
Reference numeral 2 denotes a transfer medium, reference numeral 103 denotes a transfer drum, reference numeral 104
Is a corotron device as electric field forming means, reference numeral 10
5 is a heater, 106 is a paper feed roller, 10
Reference numeral 7 represents a droplet of the recording liquid. The conveying direction of the transfer medium 102 and the rotating direction of the transfer drum 103 are as shown by arrows in the figure.
【００１９】記録液は粒径０．３μｍのカーボンブラッ
クと粒径０．５μｍのイオン交換樹脂をエクソン社製ア
イソパーＬに均一分散し、２５℃、無電界下の粘性が１
０ｃｐｓになるように調整したものを用いた。同記録液
は電気粘性効果を示し、１０ｋＶ／ｃｍの電界下での粘
性は３００ｃｐｓであった。記録ヘッド１０１はカイザ
ー方式のインクジェットヘッドを用いた。記録液吐出
は、直径５０μｍの記録ヘッドノズルから０．１２μｇ
の記録液液滴を初速８ｍ／ｓｅｃの飛翔スピードで吐出
させ、被転写媒体１０２に付着させ行なった。被転写媒
体１０２はゼロックス社製ＸＥＲＯＸ４０２４紙を用い
た。同紙のベック平滑度は３０秒であった。コロトロン
デバイス１０４は放電ワイヤ１０４ａとケーシング電極
１０４ｂ間が１０ｍｍの間隔のものを用い、直流電圧を
印加して、被転写媒体１０２の記録液液滴付着面の電界
強度が１０ｋＶ／ｃｍになるように電荷を付与した。ヒ
ーター１０５は遠赤外線ヒーターを使用し、被転写媒体
表面温度が９０℃になるように設定した。The recording liquid was obtained by uniformly dispersing carbon black having a particle size of 0.3 μm and ion exchange resin having a particle size of 0.5 μm in Isopar L manufactured by Exxon Co., and had a viscosity of 1 at 25 ° C. under no electric field.
The one adjusted to be 0 cps was used. The recording liquid exhibited an electrorheological effect and had a viscosity of 300 cps under an electric field of 10 kV / cm. As the recording head 101, a Kaiser type inkjet head was used. The recording liquid is ejected from the recording head nozzle having a diameter of 50 μm by 0.12 μg.
The recording liquid droplets of No. 2 were ejected at a flying speed of 8 m / sec at the initial velocity and adhered to the transfer medium 102. As the transfer medium 102, XEROX 4024 paper manufactured by Xerox Co., Ltd. was used. The Beck's smoothness of the paper was 30 seconds. As the corotron device 104, the discharge wire 104a and the casing electrode 104b are spaced by 10 mm, and a DC voltage is applied so that the electric field strength of the recording liquid droplet adhering surface of the transfer medium 102 becomes 10 kV / cm. Was given a charge. As the heater 105, a far infrared heater was used, and the surface temperature of the transfer medium was set to 90 ° C.
【００２０】以上の構成の記録装置で、解像度３００Ｄ
ＰＩの印字記録を行った。被転写媒体１０２上の記録ド
ットは滲みやヒゲの発生はなく、直径１２０μｍの真円
に近いものであった。またベタ印字の光学濃度は１．６
であった。With the recording apparatus having the above structure, a resolution of 300D
Printing and recording of PI was performed. The recorded dots on the transferred medium 102 were free from bleeding and whiskers, and were close to a perfect circle having a diameter of 120 μm. The optical density of solid printing is 1.6.
Met.
【００２１】（実施例２）図２は本実施例のカラー記録
をおこなう記録装置のブロック図を示したものである。
符号２０１はブラック色の記録液記録ヘッド、２０２は
イエロー色記録ヘッド、２０３はマゼンダ色記録ヘッ
ド、２０４はシアン色記録ヘッドである。２０５は被転
写媒体、２０６は電界形成手段としての導電性ブラシデ
バイス、２０７はヒーターユニット、２０８及び２０９
は被転写媒体搬送ローラー、２１０は接地電極を示す。
被転写媒体２０５の搬送方向は図中矢印に示す如くであ
る。記録液は粒径０．５μｍの各色顔料とセルロース重
合体を絶縁オイルに均一分散し、電気粘性効果を有する
ように調整した。記録ヘッド２０１〜２０４はラインタ
イプのバブルジェット方式インクジェットヘッドを用い
た。被転写媒体２０５はベック平滑度が１０秒のボンド
紙を使用した。導電性ブラシデバイスによりボンド紙表
面の電界強度が１５ｋＶ／ｃｍになるように電界形成
し、記録ヘッドからシアン、マゼンダ、イエロー、ブラ
ックの順に記録液をボンド紙に付着させ印字を行なっ
た。記録液はヒーターユニット２０７により乾燥・定着
させた。得られたカラー記録像は、異色隣接ドット間
の、また重畳ドットの不均一な混色がなく高品位なもの
であった。(Embodiment 2) FIG. 2 is a block diagram of a recording apparatus for performing color recording according to this embodiment.
Reference numeral 201 is a black recording liquid recording head, 202 is a yellow recording head, 203 is a magenta recording head, and 204 is a cyan recording head. 205 is a transfer medium, 206 is a conductive brush device as an electric field forming means, 207 is a heater unit, and 208 and 209.
Is a transfer medium transport roller, and 210 is a ground electrode.
The transfer direction of the transferred medium 205 is as shown by the arrow in the figure. The recording liquid was prepared by uniformly dispersing each color pigment having a particle diameter of 0.5 μm and a cellulose polymer in insulating oil so as to have an electrorheological effect. As the recording heads 201 to 204, line type bubble jet type inkjet heads were used. As the transfer medium 205, bond paper having a Bekk smoothness of 10 seconds was used. An electric field was formed by a conductive brush device so that the electric field strength on the surface of the bond paper was 15 kV / cm, and the recording liquid was adhered to the bond paper in the order of cyan, magenta, yellow, and black from the recording head for printing. The recording liquid was dried and fixed by the heater unit 207. The obtained color recorded image was of high quality without uneven color mixing between adjacent dots of different colors and overlapping dots.
【００２２】（比較例）実施例１においてコロトロンデ
バイスを除去した記録装置で印字を行った。記録液及び
その他の構成は実施例１と同様である。得られた被転写
媒体上の記録ドットはドットの周辺が滲み、セルロース
繊維に沿ったヒゲが現れていた。またベタ印字の光学濃
度は１．３と実施例１に比べ低下していた。(Comparative Example) Printing was carried out in the recording apparatus from Example 1 without the corotron device. The recording liquid and other configurations are the same as in Example 1. The obtained recording dots on the transfer medium had a bleeding around the dots, and a beard appeared along the cellulose fibers. The optical density of solid printing was 1.3, which was lower than that of Example 1.
【００２３】[0023]
【発明の効果】本発明の記録装置は、電気粘性効果を有
する記録液を液敵状に吐出させ電界が形成された被転写
媒体上へ付着させて記録を行なうため、付着した記録液
液滴の粘性或いは降伏値が瞬時に上昇することにより、
表面平滑度の低い被転写媒体を用いた場合でも、記録ド
ットの滲みやヒゲ或いはカラー記録時の不均一な混色を
起こすことなく高品位印字が可能となる。According to the recording apparatus of the present invention, since the recording liquid having the electrorheological effect is ejected in a liquid-like state and adhered onto the transfer medium on which the electric field is formed, the recording liquid droplets adhered. The viscosity or yield value of instantly increases,
Even when a transfer medium having a low surface smoothness is used, high-quality printing can be performed without causing bleeding of recording dots, whiskers, or uneven color mixing during color recording.
【図１】本発明による記録装置の第１実施例を示したブ
ロック図である。FIG. 1 is a block diagram showing a first embodiment of a recording apparatus according to the present invention.
【図２】本発明による記録装置の第２実施例を示したブ
ロック図である。FIG. 2 is a block diagram showing a second embodiment of the recording apparatus according to the present invention.
【図３】本発明による記録装置に使用する記録液の粘性
の電界依存性を示した図である。FIG. 3 is a diagram showing the electric field dependence of the viscosity of a recording liquid used in the recording apparatus according to the present invention.
１０１ 記録ヘッド １０２ 被転写媒体 １０３ 転写ドラム １０４ コロトロンデバイス １０５ ヒーターユニット １０６ 搬送ローラー １０７ 記録液液滴 101 Recording Head 102 Transferred Medium 103 Transfer Drum 104 Corotron Device 105 Heater Unit 106 Conveying Roller 107 Recording Liquid Droplet
Claims (1)
させ被転写媒体に付着させる記録ヘッドと、被転写媒体
の記録液付着面に電界を形成する手段とを備えたことを
特徴とする記録装置。Claim: What is claimed is: 1. A recording head having a recording liquid having an electrorheological effect formed into droplets and adhering the liquid to a transfer medium, and a means for forming an electric field on a recording liquid adhering surface of the transfer medium. A recording device characterized by the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15641991A JPH054343A (en) | 1991-06-27 | 1991-06-27 | Recording device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15641991A JPH054343A (en) | 1991-06-27 | 1991-06-27 | Recording device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH054343A true JPH054343A (en) | 1993-01-14 |
Family
ID=15627347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15641991A Pending JPH054343A (en) | 1991-06-27 | 1991-06-27 | Recording device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH054343A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7357487B2 (en) | 2004-03-19 | 2008-04-15 | Fujifilm Corporation | Image forming apparatus using liquid with electrorheological properties and method of controlling same |
| US7422312B2 (en) | 2004-09-10 | 2008-09-09 | Fujifilm Corporation | Liquid ejection apparatus and electric field application method |
| US7469999B2 (en) | 2004-03-25 | 2008-12-30 | Fujifilm Corporation | Image forming apparatus and method |
| US7506974B2 (en) | 2004-09-28 | 2009-03-24 | Fujifilm Corporation | Image forming apparatus |
| US7575301B2 (en) | 2004-07-30 | 2009-08-18 | Fujifilm Corporation | Image forming apparatus and image forming method |
| US7597438B2 (en) | 2004-09-22 | 2009-10-06 | Fujifilm Corporation | Image forming apparatus and method |
| US7914108B2 (en) | 2005-08-24 | 2011-03-29 | Fujifilm Corporation | Image forming apparatus and method, and ink set |
-
1991
- 1991-06-27 JP JP15641991A patent/JPH054343A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7357487B2 (en) | 2004-03-19 | 2008-04-15 | Fujifilm Corporation | Image forming apparatus using liquid with electrorheological properties and method of controlling same |
| US7469999B2 (en) | 2004-03-25 | 2008-12-30 | Fujifilm Corporation | Image forming apparatus and method |
| US7575301B2 (en) | 2004-07-30 | 2009-08-18 | Fujifilm Corporation | Image forming apparatus and image forming method |
| US7422312B2 (en) | 2004-09-10 | 2008-09-09 | Fujifilm Corporation | Liquid ejection apparatus and electric field application method |
| US7597438B2 (en) | 2004-09-22 | 2009-10-06 | Fujifilm Corporation | Image forming apparatus and method |
| US7506974B2 (en) | 2004-09-28 | 2009-03-24 | Fujifilm Corporation | Image forming apparatus |
| US7914108B2 (en) | 2005-08-24 | 2011-03-29 | Fujifilm Corporation | Image forming apparatus and method, and ink set |
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