Copying paper - Fukushishi

Japanese: 複写紙 - ふくしゃし
Copying paper - Fukushishi

Thin paper used to copy pencil, ballpoint pen, or typewriter prints includes paper with carbon paper sandwiched between them (copy paper), paper with carbon applied to the entire or part of the back of the top sheets of multiple sheets (reverse carbon paper), and carbonless paper (pressure-sensitive copy paper) that undergoes chemical coloring. Its characteristics include being strong for a thin paper (thick ones have a weight of 40 grams per square meter, thin ones about 16 grams), having no pinholes, not tearing even when stamped, being able to make multiple copies, having good texture, and being opaque. For this reason, the raw pulp for copy paper is 100% bleached chemical pulp, and to obtain particularly thin and strong paper, it is made by mixing in a large amount of bleached chemical pulp made from Manila hemp or bast. In a broad sense, copying is a method that enables the direct production of a single or limited number of copies, or the creation of an original or master for the production of multiple reproductions using offset printing or diazo paper. If all the paper used for this is referred to as copying paper, there are many types, including highly transparent papers such as transparent photographic paper and thick processed papers.

[Akio Mita April 18, 2016]

[Reference item] | Carbon paper | Pressure-sensitive carbon paper

Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

鉛筆、ボールペンまたはタイプライター印字を複写するのに使用する薄葉紙(うすようし)で、カーボン紙を間に挟んで用いる紙(複写用紙)、複数の紙の上葉紙の裏面の全面または一部必要な部分にカーボンを塗布した紙(裏カーボン紙)、および化学発色をおこさせるノーカーボン紙(感圧複写紙)などがある。特性としては、薄葉紙(厚いものでは1平方メートル当りの坪(つぼ)量が40グラム、薄いものでは16グラム程度)としては腰が強く、ピンホールがなく、スタンプ印を圧しても破れず、多数枚の複写が可能で、地合いが良好で、不透明であることなどである。そのため複写用紙の原料パルプは100%晒(さらし)化学パルプを用い、とくに薄くて強度の大きい紙を得るためにはマニラ麻や靭皮(じんぴ)の晒化学パルプを大量に配合して抄造する。広義に複写とは、直接単一または一定数のコピーを作製したり、さらにオフセット印刷やジアゾペーパーによって多数の複製を作製するための原稿やマスターをつくることを可能とする方法のことであり、これに用いる紙をすべて複写紙とすれば、その種類は多く、透明印画紙のように透明度の大きい紙、厚手の加工紙なども含まれる。

[御田昭雄 2016年4月18日]

[参照項目] | カーボン紙 | 感圧複写紙

出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例

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