久久欧美一区二区三区性生奴-亚洲一区二区三区视频-亚洲日韩精品无码专区加勒比海-亚洲精品人妻在线视频观看-国产午夜一区二区三区视频-日韩av片无码一区二区三区不卡-毛片av中文字幕一区二区-天天操天天日天天操天天日天天操-色爽黄1000部免费软件下载

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