为更好实现微带电路设计人员设计意图,提高微带片光刻精度,本文介绍了使用新型湿膜抗蚀剂(Wet Film Photoresis)替代干膜抗蚀剂(Dry Film Photoresist)的工艺改进方法;从结构和原理上分析了干膜与湿膜的不同,给出了对比的实验结...为更好实现微带电路设计人员设计意图,提高微带片光刻精度,本文介绍了使用新型湿膜抗蚀剂(Wet Film Photoresis)替代干膜抗蚀剂(Dry Film Photoresist)的工艺改进方法;从结构和原理上分析了干膜与湿膜的不同,给出了对比的实验结果;用湿膜可较好做出50-100微米(2-4mil)线条、间隙,明显提高了工艺精度。展开更多
This review discussed the relationship among copper,human,and bacteria.Copper plays an important role in human immunity.Copper can boost human immune defense reactions at recommended intake level.The content mainly fo...This review discussed the relationship among copper,human,and bacteria.Copper plays an important role in human immunity.Copper can boost human immune defense reactions at recommended intake level.The content mainly focused on copper antibacterial activity and copper antibacterial mechanisms.Conclusions stated that copper antibacterial activity is affected by copper homeostasis mechanisms in bacteria,adhesion,humidity,strain specificity,and manufacturing methods of antibacterial agents.For the preparation of particle antibacterial agents and surface antibacterial agents,this review discussed several manufacturing methods,such as sol−gel,cold spray,and biosynthesis belonging to chemical synthesis,physical synthesis,and biological synthesis,respectively.Sol−gel method contributes to the preparation of particle agents and surface agents.Cold spray technique is utilized in synthesis of surface copper agent.Biosynthesis is a novel technology which can be applied in nanoparticle agent preparation.展开更多
文摘为更好实现微带电路设计人员设计意图,提高微带片光刻精度,本文介绍了使用新型湿膜抗蚀剂(Wet Film Photoresis)替代干膜抗蚀剂(Dry Film Photoresist)的工艺改进方法;从结构和原理上分析了干膜与湿膜的不同,给出了对比的实验结果;用湿膜可较好做出50-100微米(2-4mil)线条、间隙,明显提高了工艺精度。
基金financial support from the fund of State Key Laboratory of Powder Metallurgy,Central South University,China
文摘This review discussed the relationship among copper,human,and bacteria.Copper plays an important role in human immunity.Copper can boost human immune defense reactions at recommended intake level.The content mainly focused on copper antibacterial activity and copper antibacterial mechanisms.Conclusions stated that copper antibacterial activity is affected by copper homeostasis mechanisms in bacteria,adhesion,humidity,strain specificity,and manufacturing methods of antibacterial agents.For the preparation of particle antibacterial agents and surface antibacterial agents,this review discussed several manufacturing methods,such as sol−gel,cold spray,and biosynthesis belonging to chemical synthesis,physical synthesis,and biological synthesis,respectively.Sol−gel method contributes to the preparation of particle agents and surface agents.Cold spray technique is utilized in synthesis of surface copper agent.Biosynthesis is a novel technology which can be applied in nanoparticle agent preparation.