发明名称 Reed switch glass tube
摘要 A reed switch glass tube is capable of preventing, for example, chipping and cracking of end parts thereof by forming a compressive stress layer having a length (A) from an end face within a range of 0.1 mm to 0.6 mm on an outer circumference surface of the end part of the glass tube.
申请公布号 US9458057(B2) 申请公布日期 2016.10.04
申请号 US201113979391 申请日期 2011.11.30
申请人 NIPPON ELECTRIC GLASS CO., LTD. 发明人 Mashima Ryota;Kobayashi Masahiro;Kashiwadani Ken
分类号 C03C23/00;C03B27/06;H01H36/00;H01H51/28 主分类号 C03C23/00
代理机构 Global IP Counselors, LLP 代理人 Global IP Counselors, LLP
主权项 1. A reed switch glass tube comprising: opposite end parts, each having a respective compressive stress layer formed on an outer circumference surface of the glass tube, the compressive stress layer having a length of 0.1 mm to 0.6 mm in a longitudinal direction; and a portion without any compressive stress layer existing between the respective compressive stress layers at the opposite end parts.
地址 Shiga JP