Designation: BSP-7050 BSP-7055 BSP-7060
Special Purpose: the formation of electode of buzzer |
| ¢¡.Pastes Properties |
1.silver contact: BSP-7050: 50¡À1%; BSP-7055: 55¡À1%; BSP-7066: 60¡À1%
2.Viscosity: 1000-1500Kcps(4#Spindle; 25¡æ; 0.3r/min; NDJ-8S; shanghai)
3.Fineness:¡Ü10¦Ìm
4.Coverage: BSP-7050: 170-190cm2/g; BSP-7055: 150-170cm2/g; BSP-7060: 130-150cm2/g |
| ¢¢.The Fired Film Properties |
1.Sheet resistivity:¡Ü5m¦¸/¡õ(25¦Ìm)
2.Defination:¡Ü0.2mm
3.Solderability: dipping soldcring coverage area 95%(Sn63/Pb37,Sn60/Pb40 or Sn62/Pb36/Ag2; 215¡æ-230¡æ; rosin flux)
4.Solder resistance:¡Ý5sec (Sn62/Pb36/Ag; 230¡æ; rosin flux)
5.Adhesion: electric soldering fron(20W),¡é0.15X7 wire,soldering area 3-5 mm2, vertical pull strength¡Ý 255gf, horizontal pull strength ¡Ý1.5Kgf,load time:10¡À1s. |
| ¢£.Application Guidelines |
1.Screen print:150-250mesh optimum: 200mesh
2.Drying:150¡æ/3min
3.Firing: peak temp and time:800¡À20¡æ/10min; cycle: 60 min
4.Thinner: ethylene glycol monobutyi ether or terpineol
5.Storage:keep in a cool place away from heater or open flames, minimum shelf-life six |
