摘要
基于中国专利全文数据库和德温特世界专利索引数据库对银基电触头材料的相关专利申请文献进行检索统计,对该领域的专利申请量的年度分布进行了分析,并介绍了近年来基于银基的触头材料的专利,并对未来的发展趋势进行了展望。
Based on China Patent Full-Text Database and DeWinter World Patent Index Database,the related patent applications of silver-based contact materials are retrieved and counted.The annual distribution of patent applications in this field is analyzed.The patents of silver-based contact materials in recent years are introduced,and the future development trend is prospected.
作者
钱玉萍
QIAN Yu-ping(Jiangsu Center for Patent Examination and Cooperation of the Patent Office of the State Intellectual Property Office,Suzhou 215163,China)
出处
《世界有色金属》
2019年第10期197-197,200,共2页
World Nonferrous Metals
关键词
电触头
银基
专利
electrical contact
silver base
patent