Blocking through holes requires additional procedures. The through-hole can be blocked on one side or both sides. Sometimes, blocked through holes need to be coated with solder resist again.
Extra fees are minimal
Almost 100% of the through holes are blocked
Helps prevent solder leakage in SMT process
Helps prevent dust or liquids during use
Not suitable for through-hole plugs in BGA area
mobile phone: 86-15113315665
Contact: Chen Changhai
mobile phone: 86-18676922028
E-mall: haibo_fpcba1668@163.com
Address: 3rd Floor, Building 2, Fuxing Industrial Park, Building B, Chuangye 1st Road, Jiangbian Community, Songgang Street, Bao'an District, Shenzhen