JPS63319150A - Manufacture of printing block - Google Patents
Manufacture of printing blockInfo
- Publication number
- JPS63319150A JPS63319150A JP15530187A JP15530187A JPS63319150A JP S63319150 A JPS63319150 A JP S63319150A JP 15530187 A JP15530187 A JP 15530187A JP 15530187 A JP15530187 A JP 15530187A JP S63319150 A JPS63319150 A JP S63319150A
- Authority
- JP
- Japan
- Prior art keywords
- powder
- image
- photoconductive
- layer
- image part
- 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
- 238000007639 printing Methods 0.000 title abstract description 12
- 238000004519 manufacturing process Methods 0.000 title description 4
- 238000000034 method Methods 0.000 claims abstract description 56
- 239000000843 powder Substances 0.000 claims abstract description 40
- 239000000758 substrate Substances 0.000 claims description 7
- 239000005871 repellent Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 239000011737 fluorine Substances 0.000 claims description 2
- 229920002050 silicone resin Polymers 0.000 claims description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 10
- 238000007796 conventional method Methods 0.000 abstract description 2
- 239000000356 contaminant Substances 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000010186 staining Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- RMBBSOLAGVEUSI-UHFFFAOYSA-H Calcium arsenate Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-][As]([O-])([O-])=O.[O-][As]([O-])([O-])=O RMBBSOLAGVEUSI-UHFFFAOYSA-H 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 241000220317 Rosa Species 0.000 description 2
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000007645 offset printing Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000011669 selenium Substances 0.000 description 2
- 229910052711 selenium Inorganic materials 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000001694 spray drying Methods 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- -1 Cd8CdS Chemical compound 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 235000010724 Wisteria floribunda Nutrition 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 150000001545 azulenes Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- CMMUKUYEPRGBFB-UHFFFAOYSA-L dichromic acid Chemical compound O[Cr](=O)(=O)O[Cr](O)(=O)=O CMMUKUYEPRGBFB-UHFFFAOYSA-L 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 125000003983 fluorenyl group Chemical class C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000007644 letterpress printing Methods 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 108091008695 photoreceptors Proteins 0.000 description 1
- 229920003227 poly(N-vinyl carbazole) Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000001132 ultrasonic dispersion Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Landscapes
- Manufacture Or Reproduction Of Printing Formes (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は製版方法に係シ、特に光導電性粉体を用いた製
版方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a plate-making method, and particularly to a plate-making method using photoconductive powder.
古くから印刷方式としては、主として工場的な大量印刷
には、平版印刷、凹版印刷、凸版印刷等が利用され、ま
た主として小工場や各種事務所においては、孔版印刷が
利用されてきた。BACKGROUND ART Since ancient times, printing methods such as lithographic printing, intaglio printing, and letterpress printing have been used mainly for mass printing in factories, and stencil printing has been used mainly in small factories and various offices.
近年、事務所内で電子写真複写機が多く利用されるよう
になシ、また電子写真方式を利用して原稿から直接製版
を行った版材を用いたオフセット印刷が迅速簡便な軽印
刷として利用されるようになっている。In recent years, electrophotographic copying machines have come into widespread use in offices, and offset printing, which uses plates made directly from manuscripts using electrophotographic methods, is being used as a quick and convenient light printing method. It has become so.
上記オフセット印刷の電子写真方式を利用した製版方法
には、通常用いられるものとして、転写法、中間層法、
直接法の３方式がある。The plate-making methods using the electrophotographic method of offset printing include the transfer method, intermediate layer method,
There are three direct methods.
転写法は、感光体上に画像をつくシ、金属板へ転写し版
材とするものであるが、この方式はトナーの転写率が悪
いこと及び転写時のトナー飛散によるハイライト部の汚
れがあること、ピンホールがあシ、画像部が不完全であ
るなどの問題点があった。The transfer method involves forming an image on a photoreceptor and transferring it to a metal plate to make a plate material, but this method has a poor toner transfer rate and stains in highlighted areas due to toner scattering during transfer. There were some problems, such as the pinholes were thick, the image area was incomplete, and so on.
中間層法は、重クロム酸などの感光層上に、画像をつく
ったのち、全面露光を行い感光層を溶出・腐食し版材と
するものであるから、この方式では電子写真方式のドラ
イ感覚がなくなシ、工程が複雑であるという問題点があ
った。In the intermediate layer method, an image is created on a photosensitive layer such as dichromic acid, and then the entire surface is exposed to elute and corrode the photosensitive layer to form a plate material.This method has the dry feel of electrophotography. There were problems in that the process was complicated.
直接法は、金属板上に感光層を設け、画像をつくったの
ちに感光層を溶出する方法であシ、これは非画像部の感
光層の除去が困難なため、簡便な印刷システムとしては
利用されにくいという問題点があった。The direct method is a method in which a photosensitive layer is provided on a metal plate, an image is formed, and then the photosensitive layer is eluted.This method is difficult to remove the photosensitive layer in non-image areas, so it is not suitable as a simple printing system. The problem was that it was difficult to use.
本発明は上記従来技術の問題点に鑑み、電子写真方式を
利用した汚れの少ない高画質な印刷版を簡便に得る製版
方法を得るためになされたものであシ、その特徴とする
ところは、インク反撥性面を有する基体上に電荷の帯電
させた光導電性粉体層を形成する工程と、この光導電性
粉体層を画像情報に応じて露光する工程と、非画像部の
前記光導電性粉体層を除去する工程と、を有することに
ある。本発明によれば、従来の電子写真方式を用いた製
版方法と比較し、汚れ、画質を大幅に改善することが可
能となる。The present invention has been made in view of the above-mentioned problems of the prior art, and has been devised to provide a plate-making method that uses electrophotography to easily produce high-quality printing plates with little staining.The present invention is characterized by the following: forming a charged photoconductive powder layer on a substrate having an ink-repellent surface; exposing the photoconductive powder layer to light according to image information; and exposing non-image areas to the light. and removing the conductive powder layer. According to the present invention, it is possible to significantly improve staining and image quality compared to a conventional plate-making method using an electrophotographic method.
本発明に用いる光導電性粉体の構造は、導電性芯体を光
導電層の薄層で被覆したものや、光導電性芯体を導電性
の薄膜や導電性微粉末で被覆したもの等が可能であシ、
特に構造は限定されない。The structure of the photoconductive powder used in the present invention includes those in which a conductive core is coated with a thin layer of a photoconductive layer, and those in which a photoconductive core is coated with a conductive thin film or conductive fine powder. is possible,
The structure is not particularly limited.
光導電性材料としては、一般によく知られているフタロ
シアニン類、ポリビニルカルバゾール類、アズレン系化
合物、フルオレン系化合物、アモルファスシリコン、ア
モルファスセレン、Ｃｄ８゜ＣｄＳ・、 ＺｎＯ，Ｔｉ
Ｏ２などが使用される。これらは単独で使用しても良く
、また樹脂中に分散された形態で使用しても良い。特に
圧力に対して弱いセレン及びｚｒＩＯは、耐刷性をあげ
るために樹脂を併用することが望ましい。Photoconductive materials include generally well-known phthalocyanines, polyvinylcarbazoles, azulene compounds, fluorene compounds, amorphous silicon, amorphous selenium, Cd8CdS, ZnO, and Ti.
O2 etc. are used. These may be used alone or in the form of being dispersed in a resin. In particular, selenium and zrIO, which are weak against pressure, are preferably used together with a resin in order to increase printing durability.
版材としての構成は、前記の中間層法あるいは直接法の
ような感光層を設けた構成としても良いが、支持体上に
上記光導電性粉体を設けた簡単な構成が望ましい。The structure of the plate material may be a structure in which a photosensitive layer is provided as in the above-mentioned intermediate layer method or direct method, but a simple structure in which the above-mentioned photoconductive powder is provided on a support is preferable.
支持体としては、銅箔、アルミ箔などの導電性支持体な
どや、あるいはそれらの表面をシリコン系樹脂あるいは
フッ素系樹脂で処理したものが望ましい。シリコン処理
あるいはフッ累処理を施した場合は、印刷過程において
湿と水が不要となるために、特に望ましい。The support is preferably a conductive support such as copper foil or aluminum foil, or one whose surface is treated with a silicone resin or a fluororesin. Silicon treatment or fluorocarbon treatment is particularly desirable because moisture and water are not required during the printing process.
次に本発明の製版方法を用いた製版工程について説明す
る。Next, a plate-making process using the plate-making method of the present invention will be explained.
第１図は本発明による製版工程の一実施例を説明するた
めの概略的工程図である。FIG. 1 is a schematic process diagram for explaining one embodiment of the plate-making process according to the present invention.
まず、第１図囚に示すように、支持体１上に光導電性粉
体ノー２を設ける。First, as shown in FIG. 1, a photoconductive powder No. 2 is provided on a support 1.
光導電性粉体層を形成する方法としては、溶剤塗布によ
る方法、ホットメルト型接着剤を利用する方法、靜″＋
４を塗布による方法、水中に粉体を分散させ、支持体を
水中よシ引き上げる作成法等がある。Methods for forming the photoconductive powder layer include methods using solvent coating, methods using hot melt adhesive, and
There are two methods: a method of coating No. 4, and a method of dispersing powder in water and lifting the support out of the water.
次に、第１図（Ｂ）に示すように、帯電器３によつて光
導電性粉体層２に電荷を帯電させて、その後、第１図（
Ｃ）に示すように、画像情報に応じて露光を行い、非画
像部に帯電した電荷を除去する。Next, as shown in FIG. 1(B), the photoconductive powder layer 2 is charged with an electric charge by the charger 3, and then, as shown in FIG.
As shown in C), exposure is performed in accordance with the image information to remove charges accumulated in non-image areas.
帯電方法は、気体放電を用いた、電子写真技術で既に公
知である従来技術を用いることができる。As the charging method, a conventional technique using gas discharge, which is already known in electrophotography, can be used.
露光方法は、後述する光導電性粉体の除去方法によって
、原稿の画像部に対応した部分を露光する方法と、逆に
非画像部に対応した部分を露光する方法とがある。本実
施例では、第１図（Ｃ）に示すように非画像部を露光し
ている。照射する光の波長は前述した光導電性粉体の材
質によって決定される。The exposure method includes a method of exposing a portion of the document corresponding to an image portion, and a method of exposing a portion of the document corresponding to a non-image portion, using a photoconductive powder removal method described later. In this embodiment, the non-image area is exposed as shown in FIG. 1(C). The wavelength of the irradiated light is determined by the material of the photoconductive powder described above.
次に、第１図の）に示すように、非画像部の光導電性粉
体層２を除去する。Next, as shown in FIG. 1), the photoconductive powder layer 2 in the non-image area is removed.
粉体除去方法としては、非画像部に帯電された粉体を逆
電荷によシ除去する方法（この場合は、画像部に対応す
る部分を露光する）、超音波振動によシ除去する方法、
エアーブローにより除去する方法（これらの場合は非画
像部に対応する部分を露光する。本実施例ではこの方法
を用いる）がある。Powder removal methods include a method in which the powder charged in the non-image area is removed by reverse charge (in this case, the part corresponding to the image area is exposed), and a method in which the powder is removed by ultrasonic vibration. ,
There is a method of removing by air blowing (in these cases, a portion corresponding to a non-image portion is exposed. This method is used in this embodiment).
次に第１図（ト））に示すように、支持体１上に残った
画像部の光導電性粉体層２を支持体に定着する。Next, as shown in FIG. 1(G), the photoconductive powder layer 2 in the image area remaining on the support 1 is fixed to the support.
この時画像部に帯電した電荷の除去も行う。At this time, the charges accumulated in the image area are also removed.
定着方法としては、熱や圧力によって定着を行わせるこ
とができる。As a fixing method, fixing can be performed using heat or pressure.
なお、上記製造工程において、支持体１に電荷を帯電器
３に帯電させた後に光導性粉体を付着させてもよい。In the above manufacturing process, the photoconductive powder may be attached to the support 1 after the charger 3 charges the support 1 with an electric charge.
このような製造工程を連続的に行って版材を作製するこ
とも可能である。It is also possible to manufacture a plate material by continuously performing such manufacturing steps.
第２図は製版装置の一例を示す概略的構成図である。FIG. 2 is a schematic configuration diagram showing an example of a plate making apparatus.
同図に示すように、まず支持体４をドラム８に巻きつけ
、このドラム８を図中Ｘ方向に回転させる。支持体４は
カッター５で所望の大きさに切断される。As shown in the figure, the support 4 is first wound around the drum 8, and the drum 8 is rotated in the X direction in the figure. The support 4 is cut into a desired size by a cutter 5.
ドラム８に巻きつけられた支持体４に、気体放電を利用
した帯電器６によって、一様に電荷を帯電させ、その後
光導電性粉体を供給装置７によって支持体４面上に供給
し塗工する。The support 4 wound around the drum 8 is uniformly charged with an electric charge by a charger 6 using gas discharge, and then photoconductive powder is supplied onto the surface of the support 4 by a supply device 7 for coating. work.
次に画像情報に応じて光を照射した後、非画像部の粉末
をエアーナイフ９によって除去し、回収器１０に光導電
性粉体を回収する。Next, after irradiating light in accordance with the image information, the powder in the non-image area is removed by an air knife 9, and the photoconductive powder is collected in a collector 10.
次に、発熱体１１によって光導電性粉体を熱定着する。Next, the photoconductive powder is thermally fixed by the heating element 11.
このようにして版材を作製することができる。A plate material can be produced in this way.
以上、詳細に説明したように、本発明の製版方法によれ
ば、汚れの少ない高画質な版材を得ることができる。す
なわち、従来の製版方法においては、版材ヘトナーが転
写する場合にトナーの飛散が起こシ汚れとなっていたが
、本発明においては、光導電性粉体を使用することによ
シ、トナーの飛散による汚れがなくな夛、かつ電子写真
法によるドライ製版の長所を残して簡便に製版を行うこ
とができる。As described above in detail, according to the plate making method of the present invention, a high quality plate material with less stain can be obtained. That is, in the conventional plate-making method, when the toner is transferred to the plate material, the toner scatters and causes stains, but in the present invention, by using photoconductive powder, the toner can be removed. Plate making can be easily carried out without staining due to scattering, while retaining the advantages of dry plate making using electrophotography.
次に本発明の製版方法について実施例を挙げて説明する
。Next, the plate making method of the present invention will be explained by giving examples.
〈実施例１〉
まず、サブミクロン粒径の酸化亜鉛粉末と色素増感剤と
してローズペンカル、バインダーとしてポリエステル樹
脂をキシレン中に溶かし、超音波分散したのち、直径１
０μｍの透明ポリスチレン球に噴霧乾燥して光導電性粉
体をつくる。こうして得られた光導電性粉体を膜厚的２
μｍにフッ素コーティングされたアルミニウム基板上に
溶剤塗布し、加熱乾燥して厚さ約５０μｍの光導電性粉
体層を形成した。<Example 1> First, submicron particle size zinc oxide powder, rose pencal as a dye sensitizer, and polyester resin as a binder were dissolved in xylene, and after ultrasonic dispersion,
The photoconductive powder is prepared by spray drying onto 0 μm transparent polystyrene spheres. The photoconductive powder thus obtained was coated with a film thickness of 2
A photoconductive powder layer having a thickness of approximately 50 μm was formed by applying a solvent onto an aluminum substrate coated with fluorine to a thickness of 50 μm and drying by heating.
これを暗所で−５ｋＶのコロナ放電を行ない、続いて、
２秒間ノ？ターン露光を行ない、静電潜像を形成し、さ
らに非画像部をエアーブロー法によシ除去した。続いて
、残った光導電性粉体を赤外線定着機を通して熱定着し
た。This was performed in a dark place with a -5kV corona discharge, and then,
2 seconds? Turn exposure was performed to form an electrostatic latent image, and non-image areas were removed by air blowing. Subsequently, the remaining photoconductive powder was heat-fixed through an infrared fixing machine.
こうして得た刷版を小型オフセット輪転機にかけ毎分１
５０枚の印刷を行った。The plate obtained in this way is run on a small offset rotary press at a rate of 1 per minute.
50 sheets were printed.
印刷画像は、２０本／配の分解能を得ることが出来、１
５００枚まで画質は変わらなかった。また、非画像部に
トナーの飛散による汚れもなかつた。The printed image can have a resolution of 20 lines/array, and 1
Image quality remained unchanged up to 500 images. Further, there was no stain due to toner scattering in the non-image area.
〈実施例２〉
光導電性トナー（富士写真フィルム製「フォトナー」）
を用いて、実施例１と同様の基板上に厚さ１００μｍの
光導電性層を設けた。<Example 2> Photoconductive toner (“Photoner” manufactured by Fuji Photo Film)
A photoconductive layer with a thickness of 100 μm was provided on the same substrate as in Example 1 using the following method.
これを暗所で−３ｋＶのコロナ放電を行ない、続いてタ
ングステンランプで３秒間パターン露光を行なった。続
いて普通紙を介して紙側から前記帯電極性とは逆電位の
＋３ ｋＶのコロナ放電を行ない、潜像部のトナーを普
通紙上に除去した。This was subjected to -3 kV corona discharge in a dark place, and then pattern exposure was performed for 3 seconds using a tungsten lamp. Subsequently, a +3 kV corona discharge having a potential opposite to the charging polarity was performed from the paper side through the plain paper to remove the toner in the latent image area onto the plain paper.
アルミ基板上に残った画像を熱定着し実施例】と同様に
輪転機にかけ毎分１５０枚のスピードで１５００枚印刷
を行った。The image remaining on the aluminum substrate was heat-fixed and printed on a rotary press at a speed of 150 sheets per minute for 1,500 sheets in the same manner as in Example.
２０本／ｗＩの分解能を得、非画像部にトナーの飛散に
よる汚れもなかった。A resolution of 20 lines/wI was obtained, and there was no stain due to toner scattering in the non-image area.
〈実施例３〉
まず、サブミクロン粒径の酸化亜鉛粉末と色素増感剤と
してローズペンカル、バインダーとしてニトリルゴム変
性エポキシ樹脂をキシレン中で分散したのち、直径１０
μｍの透明ポリエステル球に噴霧乾燥して光導電性粉体
をつくった。<Example 3> First, zinc oxide powder with a submicron particle size, rose pencal as a dye sensitizer, and nitrile rubber-modified epoxy resin as a binder were dispersed in xylene.
The photoconductive powder was prepared by spray drying on µm transparent polyester spheres.
これを実施例１と同様にアルミニウム基板上に厚さ２０
μｍに塗工したのち、暗所で−５ｋＶのコロナ放電を行
ない、続いてネガのパターン露光を３秒行なった。This was applied to a thickness of 20 mm on an aluminum substrate in the same way as in Example 1.
After coating in μm, -5 kV corona discharge was performed in a dark place, followed by negative pattern exposure for 3 seconds.
非画像部の粉体を普通紙を介して逆電位をかけて除去し
たのち、アルミニウム基板上の粉体を熱定着機にかけて
定着した。After removing the powder in the non-image area by applying a reverse potential through plain paper, the powder on the aluminum substrate was fixed using a heat fixing machine.
実施例１と同様に輪転機にかけ毎分１５０枚のスピード
で３０００枚印刷を行った。As in Example 1, 3000 sheets were printed at a speed of 150 sheets per minute using a rotary press.
画像の脱落もなく非画像部の汚れもない鮮明なものであ
った。The image was clear with no falling off and no staining in the non-image area.
第１図は本発明による製版工程の一実施例を説明するた
めの概略的工程図である。
第２図は製版装置の一例を示す概略的構成図である。
ｌ・・・支持体、２・・・光導電性粉体層、３・・・帯
電器。
代理人 弁理士 山 下 穣 平
第１図FIG. 1 is a schematic process diagram for explaining one embodiment of the plate-making process according to the present invention. FIG. 2 is a schematic configuration diagram showing an example of a plate making apparatus. l... Support, 2... Photoconductive powder layer, 3... Charger. Agent Patent Attorney Johei Yamashita Figure 1
Claims (2)
た光導電性粉体層を形成する工程と、この光導電性粉体
層を画像情報に応じて露光する工程と、 非画像部の前記光導電性粉体層を除去する工程と、 を有する製版方法。(1) A step of forming a photoconductive powder layer charged with an electric charge on a substrate having an ink-repellent surface, a step of exposing this photoconductive powder layer to light according to image information, and a non-image area. A plate-making method comprising: a step of removing the photoconductive powder layer;
素系樹脂からなる特許請求の範囲第１項記載の製版方法
。(2) The plate-making method according to claim 1, wherein the ink-repellent surface is made of a silicone resin or a fluorine resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15530187A JPS63319150A (en) | 1987-06-24 | 1987-06-24 | Manufacture of printing block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15530187A JPS63319150A (en) | 1987-06-24 | 1987-06-24 | Manufacture of printing block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63319150A true JPS63319150A (en) | 1988-12-27 |
Family
ID=15602903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15530187A Pending JPS63319150A (en) | 1987-06-24 | 1987-06-24 | Manufacture of printing block |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63319150A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1046513A2 (en) * | 1999-04-22 | 2000-10-25 | Konica Corporation | Printing plate element and production method thereof |
-
1987
- 1987-06-24 JP JP15530187A patent/JPS63319150A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1046513A2 (en) * | 1999-04-22 | 2000-10-25 | Konica Corporation | Printing plate element and production method thereof |
| EP1046513A3 (en) * | 1999-04-22 | 2003-01-29 | Konica Corporation | Printing plate element and production method thereof |
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