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スクリーン印刷は古くから伝わる印刷技術です。絵柄を印刷するにはスクリーンマスクと呼ばれる印刷用の版を使用します。スクリーンマスクは網戸のようなメッシュで構成されていて(実際はもっと緻密ですが)マスク上にインクの抜けるところと抜けないところを作ります。それが印刷パターンになるわけです。スクリーンマスクの作り方はメッシュマスクに感光性の乳剤を塗布し、その上から印刷したいパターンの絵柄を被せ、UV光で乳剤を硬化させた後、光が当たっていない乳剤部分(硬化していない部分)を洗い流す方法です。 出来上がったスクリーンマスクにインクやペーストを載せて一般的にはウレタンゴム製のスキージと呼ばれるゴムのヘラで擦ってパターンニングされた部分(乳剤がない部分)からインク、ペーストを押し出して基材に転写させる方法です。実にシンプルな印刷方法ですが、100年以上前から伝わる技術で、Tシャツなど衣服への絵柄印刷、成形品などへの加飾印刷、電子部品の内部電極印刷、太陽電池ウエハーのバスバーやフィンガーラインなどの印刷、RFID、NFCなどのアンテナ印刷、各種ヒーターの印刷、医療用含む各種センサーの印刷などにも使われ、最も守備範囲の広い印刷法と言っても過言ではありません。また、これまで日本の産業を支えてきた技術でもあります。 私たちPECはこのスクリーン印刷をもっともっと普及させて日本の産業を強くしたいという願いで活動を続けております。



Screen printing is a historic printing technique. To print designs, a printing plate called a screen mask is used. The screen mask is composed of a mesh, similar to a window screen (though more intricate), which creates areas where ink can pass through and areas where it cannot, forming the printing pattern. That becomes the printing pattern. The process of making a screen mask involves applying a photosensitive emulsion to the mesh mask, placing the desired pattern on top, exposing it to UV light to harden the emulsion, and then washing away the unexposed emulsion (the areas that haven’t hardened). Once the screen mask is prepared, ink or paste is applied onto it, and using a rubber squeegee commonly made of urethane rubber, the ink or paste is pushed through the patterned areas (where there’s no emulsion) onto the substrate for transfer. It’s a remarkably simple printing method, yet it’s a technology that has been passed down for over a hundred years. It’s widely used for printing designs on items like T-shirts and other clothing, decorative printing on molded products, internal electrode printing for electronic components, printing bus bars and finger lines on solar cell wafers, as well as printing antennas for RFID and NFC, various heaters, and sensors including those for medical use. It wouldn’t be an exaggeration to say that it’s the most versatile printing method. Moreover, it’s a technology that has supported Japan’s industries for many years.  At PEC, we continue our efforts with the desire to further popularize screen printing and strengthen Japan’s industries.

If you’re considering development or production in screen printing, we believe PEC can assist you. Additionally, we offer study sessions for those who want to learn screen printing or gather information before introducing equipment.

For those who wish to learn screen printing or gather information before equipment installation, we also conduct study sessions. While sessions with dispatched instructors are fee-based, sessions exclusively conducted by PEC are provided at no charge. Please feel free to reach out to us.