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 LJEANNOTTE DKRALL 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
Quantitative test method for measuring solder-flux surface tension interaction
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.
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