JPS5998874A - Electrostatic recording head - Google Patents
Electrostatic recording headInfo
- Publication number
- JPS5998874A JPS5998874A JP20895482A JP20895482A JPS5998874A JP S5998874 A JPS5998874 A JP S5998874A JP 20895482 A JP20895482 A JP 20895482A JP 20895482 A JP20895482 A JP 20895482A JP S5998874 A JPS5998874 A JP S5998874A
- Authority
- JP
- Japan
- Prior art keywords
- recording
- electrode
- alloy
- electrodes
- recording head
- 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
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/385—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective supply of electric current or selective application of magnetism to a printing or impression-transfer material
- B41J2/39—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective supply of electric current or selective application of magnetism to a printing or impression-transfer material using multi-stylus heads
- B41J2/395—Structure of multi-stylus heads
Landscapes
- Dot-Matrix Printers And Others (AREA)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
- Electrophotography Using Other Than Carlson'S Method (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は多針電極と記録体(誘電体ベルトまたはドラム
)間の放電の安定性と印字品質の向上を図った静電記録
ヘッドに関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an electrostatic recording head that improves the stability of discharge between a multi-needle electrode and a recording medium (dielectric belt or drum) and improves print quality.
従来の静電記録ヘッドとして、例えば、多針電極列の記
録電極と該記録電極に対応して設けられる制御電極(連
続長あるいは複数個に分割)を絶縁体で一体成形したも
のがあシ、記録電極に記録信号に応じた電圧を与えて誘
電体ベルトを介して放電させることによって誘電体ベル
トに静電潜像を形成するようにしている。該記録電極は
加工性、耐食性、等の点から少量の銅を固溶したニッケ
ルで構成されている。As a conventional electrostatic recording head, for example, there is one in which a recording electrode of a multi-needle electrode array and a control electrode (continuous length or divided into a plurality of pieces) provided corresponding to the recording electrode are integrally molded with an insulator. An electrostatic latent image is formed on the dielectric belt by applying a voltage to the recording electrode according to the recording signal and discharging it through the dielectric belt. The recording electrode is made of nickel with a small amount of copper dissolved in it from the viewpoint of workability, corrosion resistance, etc.
しかし、ニッケルは仕事関数(金属の表面からフェルミ
準位の負の電荷をもった電子が外に出るとき、残った正
イオンが引き止めようとするクーロンの力が働くが、こ
の力に対する仕事をいい、e■年単位表わす)が他の金
属に比べて高い(4,84eV)ために電界電子放射が
起フ難くなるため、例えば、記録電極と制御電極間の電
位差が680?ルト、誘電体ベルトとのギャップが51
μmという通常の操作状態において、放電を生じないで
ドツト抜けを生じることがらシ、画質を低下させる恐れ
がおる。However, nickel has a work function. , e■ expressed in years) is higher (4.84 eV) than other metals, making it difficult for field electron emission to occur. The gap between the belt and the dielectric belt is 51
In the normal operation state of .mu.m, there is a possibility that the dots may be missing without generating discharge, which may deteriorate the image quality.
本発明は、上記に鑑みてなされたものでアシ、放電の安
定化によるドツト抜けの低減に基いて画質低下を防ぐた
め、記録電極および制御電極を仕事関数の小さいAA!
(3,74eV)にMg 、C!u 、Zn 。The present invention has been made in view of the above, and in order to prevent image quality deterioration by reducing dot dropout by stabilizing the discharge, recording electrodes and control electrodes are replaced with AA electrodes having a small work function.
(3,74 eV), Mg, C! u, Zn.
Si等を添加して加工性、耐蝕性、引張シ強度等を改善
したA1合金で構成した静電記録ヘッドを提供するもの
である。The present invention provides an electrostatic recording head made of an A1 alloy that has improved workability, corrosion resistance, tensile strength, etc. by adding Si or the like.
以下、本発明による静電記録ヘッドを詳細に説明する。Hereinafter, the electrostatic recording head according to the present invention will be explained in detail.
第1図は本発明の一実施例を示し、所定の直径、例えば
、50μmを有するAl−4〜8%Mg合金からなる記
録電極(便宜上1本のみ示す)1と、該記録電極から所
定の間隔をもって側部に配列されたAl−4〜8%Mg
合金製の制御電極2と、該制御電極2および記録電極1
を記録体なる誘電体層4から上側へ所定の間隔、例えば
、1000mをもって配設するためのスペーサ3と、電
極1および2を一体成形する絶縁体7がら静電記録ヘッ
ド10を構成している。FIG. 1 shows an embodiment of the present invention, in which a recording electrode (only one is shown for convenience) 1 made of an Al-4 to 8% Mg alloy having a predetermined diameter, for example, 50 μm, and a predetermined electrode from the recording electrode are shown. Al-4~8%Mg arranged on the sides with intervals
A control electrode 2 made of an alloy, the control electrode 2 and the recording electrode 1
An electrostatic recording head 10 is composed of a spacer 3 for arranging a recording body at a predetermined distance, for example, 1000 m, from a dielectric layer 4, which is a recording body, and an insulator 7 for integrally molding the electrodes 1 and 2. .
スペーサ3と接触してその下側に配置される誘電体ベル
ト11(ドラムに置換可)は下側がらベース・マイラ6
(厚さは、例えば75μm)と、抵抗層5(厚さは、例
えば20μm)と、前記誘電層4(厚さは、例えば5μ
m)とよ多構成される。The dielectric belt 11 (which can be replaced with a drum) which is placed under the spacer 3 in contact with the spacer 3 has a base Mylar 6 on the underside.
(thickness is, for example, 75 μm), resistive layer 5 (thickness, for example, 20 μm), and dielectric layer 4 (thickness, for example, 5 μm).
m) It is composed of a large number of people.
以上の構成において、その操作を説明するに、記録電極
1に記録信号に応じた負の記録電圧をかけ、また、制御
電極2に所定値の正電圧をかけると、両者の間で誘電体
ベルト11を介して放電が生じる。この放電によって矢
印で示す放電による電子流が生じ、それによって誘電体
表面4に静電潜像が形成される・
記録電極1および制御電極2に使用するAl−4〜8w
i%Mg −A1合金は、従来の方法によって製造する
ことができる。その熱処理としては、例えば430℃で
24時間の溶体化処理を行なう。得られた製品は強度、
伸びに優れ、加工性が良好である上、耐食性も優れてい
る。To explain the operation of the above configuration, when a negative recording voltage according to the recording signal is applied to the recording electrode 1, and a positive voltage of a predetermined value is applied to the control electrode 2, a dielectric belt is applied between the two. A discharge occurs via 11. This discharge generates an electron flow shown by the arrow, thereby forming an electrostatic latent image on the dielectric surface 4. Al-4 to 8W used for recording electrode 1 and control electrode 2
The i%Mg-A1 alloy can be manufactured by conventional methods. As the heat treatment, for example, solution treatment is performed at 430° C. for 24 hours. The resulting product has strength,
It has excellent elongation, good workability, and excellent corrosion resistance.
伺、AJに4〜8%のMgを添加する理由は、電極材料
の加工性、引張り強度、耐蝕性等を考慮した結果である
。換言するとN Mgが4%以下になると、伸びが35
%以上になるとともに引張り強度および耐力が20Kg
/−および7助/−以下になシ、また、Mgが8%以上
になると、伸びが33%以下になるとともに引張シ強度
および耐力が30に4/mJおよび12 h / vr
a以上になることを確認している。The reason why 4 to 8% Mg is added to AJ is the result of considering the processability, tensile strength, corrosion resistance, etc. of the electrode material. In other words, when N Mg becomes 4% or less, the elongation decreases to 35%.
% or more, and the tensile strength and yield strength are 20Kg.
/- and below 7/-, and when Mg is 8% or more, the elongation becomes 33% or less, and the tensile strength and yield strength decrease to 30, 4/mJ and 12 h/vr.
It has been confirmed that the value is greater than or equal to a.
また、Mgに代えてOu、Zn、Si等の適量をAJに
添加することによって目的とする電極材料を得ることが
できることを確認している。Furthermore, it has been confirmed that the desired electrode material can be obtained by adding an appropriate amount of Ou, Zn, Si, etc. to AJ instead of Mg.
第2図は本発明の静電記録ヘッド10を用いた記録装置
の一例を示すもので、ベルトの表面に装着された記録用
誘電体(記録体)に本発明による静電記録ヘッドを用い
て静電荷を付与するシステムである。表面に前述の誘電
層4、その下層に抵抗層5、その下側にペース・マイラ
6を設けて形成した記録体なる誘電体ベルト11と、記
録体ベルト116表面に装着された本発明による静電記
録へラド10と、記録体ベルト11を駆動するローラ1
2と、該o −ラ12 e駆動するモータ13と、記録
体ベルト11の表面にトナーを表面電荷に応じて付着さ
せる現像器14と、記録体ベルト110表面に付着した
トナーを記録紙(普通紙)15に付着(転写)させる転
写コロトロン16と、転写終了後のベルト11表面に付
着しているトナーを除去するクリナー17と、該クリー
ナ17によって清掃された記録体ベルト11の電荷を除
去するイレースコロトロン18と、記録紙15に転写さ
れた印字や画像を定着する定着器20とよ多構成される
。以上の各機器および静電記録へラド10は、ファンシ
ミ+1受信器21、制御部22、該制御部によって駆動
される駆動回路23によって駆動される。FIG. 2 shows an example of a recording device using the electrostatic recording head 10 of the present invention. This is a system that applies an electrostatic charge. A dielectric belt 11, which is a recording material, is formed by providing the above-mentioned dielectric layer 4 on the surface, a resistive layer 5 below the dielectric layer 5, and a pace mylar 6 below the dielectric belt 11, and a static recording material according to the present invention attached to the surface of the recording material belt 116. A roller 1 that drives an electric recording head 10 and a recording belt 11
2, a motor 13 that drives the o-ra 12 e, a developer 14 that attaches toner to the surface of the recording belt 11 according to the surface charge, and a developer 14 that attaches toner to the surface of the recording belt 110 to a recording paper (ordinary A transfer corotron 16 for adhering (transferring) to paper) 15, a cleaner 17 for removing toner adhering to the surface of the belt 11 after the transfer, and removing the charge on the recording belt 11 cleaned by the cleaner 17. It is composed of an erase corotron 18 and a fixing device 20 that fixes prints and images transferred to the recording paper 15. Each of the above devices and the electrostatic recording head 10 are driven by a fan stain +1 receiver 21, a control section 22, and a drive circuit 23 driven by the control section.
以上の構成において、ファクシミリ装置21が受けた記
録信号に応じて駆動回路23が静電記録ヘッド10の記
録電極に記録電圧をかけると、制御部22によって駆動
されるモータ13が誘電体ベルト11を回転してその表
面に静電潜像が形成される。該潜像が現像部14でトナ
ー現像され、転写部16で記録紙15に転写される。転
写されたトナー像は定着器20で定着されて記録画像が
得られ、また、誘電体ベルト11はクリナー17で残在
トナーを除去された後イレーズコロトロン18で潜像を
消去される。In the above configuration, when the drive circuit 23 applies a recording voltage to the recording electrode of the electrostatic recording head 10 in response to a recording signal received by the facsimile machine 21, the motor 13 driven by the control section 22 moves the dielectric belt 11. As it rotates, an electrostatic latent image is formed on its surface. The latent image is developed with toner at the developing section 14 and transferred onto the recording paper 15 at the transfer section 16. The transferred toner image is fixed by a fixing device 20 to obtain a recorded image, and after residual toner is removed from the dielectric belt 11 by a cleaner 17, the latent image is erased by an erase corotron 18.
以上の実施例において、誘電体ベルト11とのギャッf
を5μmとしたとき記録電極と制御電極間の電位差を6
00?ルトまで低減してもドツト抜けが生じなかった。In the above embodiment, the gap f with the dielectric belt 11 is
When 5 μm, the potential difference between the recording electrode and the control electrode is 6
00? No missing dots occurred even when the temperature was reduced to the default.
以上説明した通り、本発明による静電記録ヘッドによれ
ば、記録電極および制御電極を仕事関数の小さいAlに
Mg、Ou、Zn、St等を混入して加工性、耐蝕性、
引張シ強度等を改善したA1合金で構成したため、放電
の安定化によるドツト抜けの低減に基いて画質低下を防
ぐことができる。As explained above, according to the electrostatic recording head according to the present invention, the recording electrode and the control electrode are made of Al having a small work function mixed with Mg, Ou, Zn, St, etc. to improve workability, corrosion resistance,
Since it is made of A1 alloy with improved tensile strength, etc., deterioration in image quality can be prevented by reducing dot dropout due to stabilization of discharge.
第1図は本発明の一実施例を示す横断面図。
第2図は本発明の静電記録ヘッドを用いた記録装置の一
例を示す構成図。
符号の説明
1・・・記録電極、 2・・・制御電極、 3・・
・スペーサ、4・・・誘電体層、 5・・・導電層、
6・・・ペース・マイラー、10・・・静電記録ヘ
ッド、11・・・記録体ベルトFIG. 1 is a cross-sectional view showing one embodiment of the present invention. FIG. 2 is a configuration diagram showing an example of a recording apparatus using the electrostatic recording head of the present invention. Explanation of symbols 1... Recording electrode, 2... Control electrode, 3...
・Spacer, 4... Dielectric layer, 5... Conductive layer,
6... Pace Mylar, 10... Electrostatic recording head, 11... Recording belt
Claims (1)
有し、該記録電極に記録情報に応じた電圧を与えて誘電
記録体に静電潜像を形成する静電記録ヘッドにおいて、 前記記録電極および制御電極がAlにMg sOu、Z
n、ちるいはStを添加して加工性、耐触性、および引
張シ強度を改善したアルミニウム合金で構成されること
を特徴とする静電記録へッ ド 0[Scope of Claims] A recording electrode of a multi-needle electrode array and a control electrode corresponding to the recording electrode are provided, and a voltage corresponding to recorded information is applied to the recording electrode to form an electrostatic latent image on a dielectric recording material. In the electrostatic recording head, the recording electrode and the control electrode are made of Al, Mg sOu, Z
0
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20895482A JPS5998874A (en) | 1982-11-29 | 1982-11-29 | Electrostatic recording head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20895482A JPS5998874A (en) | 1982-11-29 | 1982-11-29 | Electrostatic recording head |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5998874A true JPS5998874A (en) | 1984-06-07 |
Family
ID=16564892
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20895482A Pending JPS5998874A (en) | 1982-11-29 | 1982-11-29 | Electrostatic recording head |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5998874A (en) |
-
1982
- 1982-11-29 JP JP20895482A patent/JPS5998874A/en active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP3251478B2 (en) | Image forming device | |
JPS5998874A (en) | Electrostatic recording head | |
JPH05281834A (en) | Solid electrifying device | |
JP3462691B2 (en) | Image forming device | |
JPH10315525A (en) | Image forming apparatus | |
JP2622966B2 (en) | Image forming device | |
JP3504469B2 (en) | Image forming device | |
JPH0658553B2 (en) | Recording device | |
JPH10235922A (en) | Image forming system | |
JPH0373864B2 (en) | ||
JPH10235923A (en) | Image forming system | |
JPH09314889A (en) | Image forming equipment | |
JP3184285B2 (en) | Image recording device | |
JPH1111727A (en) | Electrostatic pinch belt type paper conveying device | |
JPS6017458A (en) | Image forming device | |
JPH06130778A (en) | Electrifier | |
JPS62177570A (en) | Electrophotographic printing device | |
JPH0136618B2 (en) | ||
JPS63283961A (en) | Color recorder | |
JPH05142955A (en) | Electrophotographic recorder | |
JPH09240034A (en) | Image forming apparatus | |
JPH03214174A (en) | Electrostatic printing method and electrostatic printing device | |
JPH10235926A (en) | Image forming device | |
JPS59133076A (en) | Electrostatic recording head | |
JPS60179266A (en) | Electrostatic recording head |