国产精品国产片在线观看蜜臀日韩一区二区在线_国模精品一区二区三区_国产2345在线亚洲精品_久久99国产精品二区不卡_欧美vs日韩vs国产在线观看_久久精品成人亚洲综合日韩
SZSE:002741
Surface Finishing
Information
Application:

Immersion silver, as a lead-free PCB finished surface treatment process, serves for depositing a layer of silver with thickness of 6~16μ inch on copper surface through replacement reaction to ensure flat surface; it has good conductivity and solderability.

Advantage introduction:

Smooth surface, suitable for package of SMD and BGA;
Standard surface for Au-wire & Al-wire bond, can replace electroplating nickel/gold or ENIG;
Can replace electroplating nickel or silver for bonding, good reflexes as surface;
Good electroconductivity for contact conduction application;
Low risk of electromigration and low galvanic effect.
 
 
 

Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
国产精品国产片在线观看蜜臀日韩一区二区在线_国模精品一区二区三区_国产2345在线亚洲精品_久久99国产精品二区不卡_欧美vs日韩vs国产在线观看_久久精品成人亚洲综合日韩