JPH01204749A - Image forming apparatus - Google Patents
Image forming apparatusInfo
- Publication number
- JPH01204749A JPH01204749A JP2914488A JP2914488A JPH01204749A JP H01204749 A JPH01204749 A JP H01204749A JP 2914488 A JP2914488 A JP 2914488A JP 2914488 A JP2914488 A JP 2914488A JP H01204749 A JPH01204749 A JP H01204749A
- Authority
- JP
- Japan
- Prior art keywords
- image forming
- conductive
- ink layer
- image
- conductive substrate
- 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
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 239000000758 substrate Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 abstract description 4
- 239000010985 leather Substances 0.000 abstract description 2
- 239000002985 plastic film Substances 0.000 abstract description 2
- 229920006255 plastic film Polymers 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
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
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/06—Ink jet characterised by the jet generation process generating single droplets or particles on demand by electric or magnetic field
Landscapes
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Abstract
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、液体インクを用いた画像形成装置に関する。[Detailed description of the invention] [Industrial application field] The present invention relates to an image forming apparatus using liquid ink.
液体インクを用いた画像形成方法として、インクジェッ
ト記録方式が良く知れており、その騒音が少ないこと、
カラ一対応が簡単なことから、最近注目を集めている。The inkjet recording method is well known as an image forming method using liquid ink, and its noise is low.
It has recently been attracting attention because it is easy to use with color.
しかしながら、インクジェット記録方式では、ノズル部
分でのインクの詰まり、印字速度を速くするためには、
ノズル数を多くとらなければならなくなり、ハードコス
トが高くなるなどの欠点を有する。However, in the inkjet recording method, ink clogs in the nozzle, and in order to increase the printing speed,
This method has disadvantages such as requiring a large number of nozzles and increasing hard costs.
そこで本発明の目的は、液体インクを用いた画像形成装
置で、ノズルを用いる必要がなく、簡単な構造で大面積
の印字が可能なものを提供するところにある。SUMMARY OF THE INVENTION An object of the present invention is to provide an image forming apparatus using liquid ink that does not require the use of nozzles, has a simple structure, and is capable of printing on a large area.
本発明の画像形成装置は、導電性基体とに導電性液体イ
ンク層を形成し、像形成物を介して、針状電極に像に応
じてバイアスを印加する構造の画像形成部を有すること
を特徴とする。The image forming apparatus of the present invention has an image forming section having a structure in which a conductive liquid ink layer is formed on a conductive substrate and a bias is applied to the needle electrode according to the image via the image forming object. Features.
本発明のＬ記の構成によれば、針状電極にバイアスが印
加されると、導電性液体インクに紙を介して逆電荷が静
電誘導現象により生じ、紙へインクが付着する。According to configuration L of the present invention, when a bias is applied to the needle-shaped electrode, a reverse charge is generated in the conductive liquid ink through the paper due to an electrostatic induction phenomenon, and the ink adheres to the paper.
第１図は本発明の実施例における画像形成部を示す図で
あり、導電性基体１上に、導電性液体インク２の層を形
成し、像形成物３をインク層上に置いて針状電極４を配
置しておき、印字パターンに応じて、バイアスコントロ
ールスイッチ５ヲ０Ｎ−ＯＦＦする。ここで、本発明の
像形成物として、紙、プラス千ンクフィルムレザー等誘
電体とみなせるものが使用できる。FIG. 1 is a diagram showing an image forming section in an embodiment of the present invention, in which a layer of conductive liquid ink 2 is formed on a conductive substrate 1, and an image forming object 3 is placed on the ink layer to form a needle-like shape. The electrodes 4 are arranged, and the bias control switch 5 is turned on and off according to the print pattern. Here, as the image-forming material of the present invention, materials that can be considered dielectric materials such as paper and plastic film leather can be used.
導電性基体として、２０ｘ３０ｃｍのアルミニウム合金
を使用し、導電性液体インクとしてパラフィン系炭化水
素に、導電剤黒色染料を混合し、導電率１．３ＸＩＯ７
Ωｃｍ、粘度３．０ＣＰに調整したものを使用し、約５
μｍ厚みとなる様に層を形成した。A 20x30cm aluminum alloy was used as the conductive substrate, and the conductive liquid ink was made by mixing paraffin hydrocarbon with a conductive black dye, and the conductivity was 1.3XIO7.
Ωcm, viscosity adjusted to 3.0CP, approximately 5
A layer was formed to have a thickness of μm.
紙として、表面に樹脂コートされた、抵抗値１０１３Ω
ｃｍのＡ４サイズの紙を用い、直径１００μｍ、１００
μｍピッチ３０ｃｍ長針状電極を用いて、＋２ＫＶのバ
イアスを０Ｎ−ＯＦＦＬ主走査時間は１５ｍｓとして、
印字物を得た。As paper, resin coated on the surface, resistance value 1013Ω
Using A4 size paper with a diameter of 100 μm and 100 cm
Using long needle-like electrodes with a μm pitch of 30 cm, a bias of +2 KV was set to 0N-OFFL, and the main scanning time was 15 ms.
I got a print.
得られた画像の記録密度８ｄｏＬ／ｍｎの高密度の印字
であり、出力は約３０秒であった。The resulting image was printed at high density with a recording density of 8 doL/mn, and the output time was about 30 seconds.
また、本実施例では、黒色のみについて述べたが、カラ
ーの導電性液体インクを用いれば、カラー画像が得られ
ることは明白である。Further, in this embodiment, only black was described, but it is clear that a color image can be obtained by using colored conductive liquid ink.
以上述べたように、本発明によれば、導電性基体上に導
電性インク層を形成し、像形成物を介して、針状電極に
像に応じてバイアスを印加する構造の画像形成部を有す
ることにより、ノズルを用いず、簡単な構造で大面積の
印字が、高速で可能となり、安価なフルカラープリンタ
ーを実現できるなどの多大な効果を期待できる。As described above, according to the present invention, there is provided an image forming section having a structure in which a conductive ink layer is formed on a conductive substrate and a bias is applied to the needle-like electrode according to the image via the image forming object. By having this, it is possible to print on a large area at high speed with a simple structure without using a nozzle, and it is expected to have great effects such as realizing an inexpensive full-color printer.
第１図は、本発明の実施例における画像形成部を示す図
。
１・・・導電性基体
２・・・導電性液体インク
３・・・像形成物
４・・・針状電極
５・・・ハイアスコントロールスインチ以 上
出願人 セイコーエプソン株式会社
、”３．ｔｙｌア２１′ト１−１μ不・プ／
第１図FIG. 1 is a diagram showing an image forming section in an embodiment of the present invention. 1... Conductive substrate 2... Conductive liquid ink 3... Image forming material 4... Acicular electrode 5... Hiasu Control Sinch and above Applicant: Seiko Epson Corporation, "3.tyl" Figure 1
Claims (1)
を介して、針状電極に像に応じてバイアスを印加する構
造の画像形成部を有することを特徴とする画像形成装置
。An image forming apparatus comprising an image forming section having a structure in which a conductive liquid ink layer is formed on a conductive substrate and a bias is applied to a needle electrode according to an image via an image forming object.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2914488A JPH01204749A (en) | 1988-02-10 | 1988-02-10 | Image forming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2914488A JPH01204749A (en) | 1988-02-10 | 1988-02-10 | Image forming apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01204749A true JPH01204749A (en) | 1989-08-17 |
Family
ID=12268077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2914488A Pending JPH01204749A (en) | 1988-02-10 | 1988-02-10 | Image forming apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01204749A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013146866A (en) * | 2012-01-17 | 2013-08-01 | Seiko Epson Corp | Liquid discharge device, recording device and liquid discharge method |
-
1988
- 1988-02-10 JP JP2914488A patent/JPH01204749A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013146866A (en) * | 2012-01-17 | 2013-08-01 | Seiko Epson Corp | Liquid discharge device, recording device and liquid discharge method |
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