The experiment of leaching gold in abandoned printed-wiringboard with thiourea indicates that gold leaching with thiourea is possible and effective.
试验研究了采用硫脲法有效地从废弃印刷线路板中回收金。
2
Arranging chip capacitors (20) in a printedwiringboard (10) makes it possible to reduce the distance between an IC chip (90) and the chip capacitor (20) and to reduce the loop inductance.