| 1. | On the basis of electroplating and immersion plating tin , and through large numbers of experiments , a new process of electroless plating tin in acid chloride bath solutions including sncl2 2h2o , nah2po2 h2o , special complexing agent , additive agent , stabilizing agent and antioxidant , was established . continuous self - catalyzed deposition of tin on copper substrate was achieved successfully , and half - bright and silvery - white tin deposits with excellent properties were obtained 本文是在电镀锡、浸镀锡工艺配方的基础上,通过大量的试验,确立了一种以氯化亚锡、次亚磷酸钠和特定的络合剂、添加剂、稳定剂,抗氧化剂为基本镀液组成的酸性氯化物化学镀锡体系,成功地在铜上实现了锡的连续自催化沉积,获得了性能优异的半光亮银白色锡镀层。 |