Ag balls, Ag cores ball, scaling powder coating Ag balls, scaling powder coating Ag cores ball, solder joints, forming solder, soldering paste

Ag balls, Ag cores ball, scaling powder coating Ag balls, scaling powder coating Ag cores ball, solder joints, forming solder, soldering paste

  • CN 104,816,104 B
  • Filed: 02/04/2015
  • Issued: 07/03/2018
  • Est. Priority Date: 02/04/2014
  • Status: Active Grant
First Claim
Patent Images

1. a kind of Ag balls, which is characterized in that the content of U be 5ppb hereinafter,The content of Th be 5ppb hereinafter,Purity be more than 99.9% and 99.9995% hereinafter,Alpha ray amount is 0.0200cph/cm2Hereinafter,The Pb or Bi contents of any one are more than 1ppm, and sphericity is more than 0.90.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×