照相铜板使用近三十年来,国内外一直沿用贵金属银为主要添加元素,以致成本高,用户长期反映的二大问题一直得不到解决:一、“铜筋”,又称麻点,为沿轧制方向的链状物,经制版腐蚀后仍无法去除的剩余部分,严重影响着制版后的印刷质量;二、软铜,是300—320℃烘烤时变软的,根本无法进行制版。这两个问题要占用户废品率的50％。 Photo copper used for nearly three decades, both at home and abroad have been using precious metals as the main addition of silver, resulting in high cost, the user has long been the two major problems have not been resolved: First, the “copper”, also known as pitting, along the edge The rolling direction of the chain, after the plate can not be removed after the remaining part of the corrosion, a serious impact on the plate after the printing quality; Second, the soft copper is 300-320 ℃ baking soft, can not be plate. These two problems account for 50% of the user’s rejection rate.