4 Layer HASL FR4 Half Hole PCB

ʻO ka wehewehe pōkole:

Nā ʻāpana: 4
Hoʻopau i luna: LF-HASL
Mea kumu: FR4
ʻO waho W/S: 9/6mil
Papa loko W/S: 9/5mil
Mānoanoa: 0.8mm
Min.anawaena puka: 0.3mm
Kaʻina hana kūikawā: hapalua puka