发明授权
US3780568A Quantitative test method for measuring solder-flux surface tension interaction
失效
用于测量焊接表面张力相互作用的定量测试方法
- 专利标题: Quantitative test method for measuring solder-flux surface tension interaction
- 专利标题(中): 用于测量焊接表面张力相互作用的定量测试方法
-
申请号: US3780568D申请日: 1971-07-27
-
公开(公告)号: US3780568A公开(公告)日: 1973-12-25
- 发明人: GOLDMANN L , JEANNOTTE D , KRALL B
- 申请人: IBM
- 专利权人: Ibm
- 当前专利权人: Ibm
- 优先权: US16653571 1971-07-27
- 主分类号: G01N13/02
- IPC分类号: G01N13/02
摘要:
A process for quantitatively measuring one of the surface tension components for a solder-flux combination by introducing a gaseous ambient bubble internally coated with a liquid flux into a molten solder, and measuring a pressure differential.
信息查询