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Printing process history
Jul 20, 2018

In the early Tang Dynasty, the Chinese invented the engraving and printing technique, using pear or jujube as the plate material, carving the picture with a knife, then applying ink on the plate, then covering the paper on the inked plate, and then using the brush. Apply pressure on the paper to complete the transfer of the graphic. There is an obvious flaw in the engraving printing of this period, that is, each new graphic information needs to re-engraving a new woodblock, and the engraving process of the woodblock is very laborious and time-consuming, and the solution to this problem is also the earliest. Appeared in our country.


In the Song Dynasty, Bi Sheng invented the clay type printing. The type is composed of a single character, which can be combined to print the relevant graphic information, and can be reused after being used up.


With the development of engraving technology and movable type printing, in 1340, China invented a color engraving sleeve printing plate, which is to engrave the contents of the same layout into several plates of the same size according to the color requirements, each with one color, successively printed on the same On the sheet of paper, the color ranges from the first two colors to the later five colors and seven colors. In the 1720s, the woodblock watermark version was invented, and its prints were finely crafted, beautiful in color, moderate in depth, and fresh and beautiful.


The development of the movable type to the 14th century, the German Gutenberg summed up the experience of the predecessors and the printing technology achievements at that time, developed the lead, antimony, tin alloy movable type, so that the cost of text printing is greatly reduced, the quality and speed are greatly improved, for the world The history of printing has made outstanding contributions.


Gutenberg is the first European to use movable type printing. His history is not well documented about his historical records. It is still uncertain whether he has used the movable type craft of the Eastern countries to develop lead type or the result of his independent research. It should be said that the valley The most important contribution of Den Burg is not the use of movable type printing but the development of the movable casting process. Gutenberg was not the first person to use metal type printing. In the early 11th century, China first invented the clay type, but the hardness was not very satisfactory. The Chinese type technology was first spread to today's North Korea, in the middle of the 13th century. The Koreans used bronze to cast movable type. About a hundred years later, Gutenberg developed a lead alloy type process, which is easier to cast and has a better printing effect, but lead is a metal that is recognized as highly toxic during heating and cooling. Harmful gases are produced and harmful to humans.



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