北宋慶曆年間(1041—1048),布衣畢昇發明了活字印刷術,這是中國繼雕版印刷術之後的又一重大發明。其對中國,乃至世界文化所產生的巨大而深遠的影響毋庸贅言。就材質而言,畢昇當時發明的是泥活字。準確地講,應是陶活字。越二百餘年,至宋末元初,又有人發明用錫活字印書。據元初王禎《造活字印書法》所言:“近世又鑄錫作字,以鐵條貫之作行,嵌於盔內界行印書。但上項字樣難以使墨,率多印壞,所以不能久行。”我們可以得知當時的錫活字是 In the Qing Dynasty during the Northern Song Dynasty (1041-1048), the commoner invented the movable type printing technique. This is another major invention after China’s engraving printing. Needless to say, its great and far-reaching impact on China and even the world’s culture. In terms of material, Bi Sheng was invented at that time. Accurately speaking, it should be pottery words. The more than 200 years, to the late Song and early Yuan, someone invented tin movable type printed book. According to the early Yuan Dynasty “making calligraphic calligraphy,” said: “In the past but also for the word cast tin to the line of ironwork, embedded in the helmet within the line of print .But the words on the hard to make ink, print more rate Bad, so I can not walk for a long time. ”" We can learn that the tin type was