We offer a large range of PCBs for our customers.
1. HASL
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Sn/Pb thickness: 2-25um
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Sn/Pb proportion: 63:37
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Shelf life: 24 months
Characteristics: very good wetting ability Proven method.
2. Electroless Gold
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Ni thickness: 2.5-8um
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Au thickness: 0.05-0.12um
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Shelf life: 18 months
Characteristics: smooth surface,Stability in soldering ,good wear ability in soldering.
3. Electrolytic Ni/Au
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Ni thickness: 2.5-6um
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Au thickness: 0.02-0.12um
The surface of the Electrolytic Ni/Au is consistent and smooth,fits high density SMT and Bonding.
4. Chemical Silver
◇Good
solder ability
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Flat surface,good for applying BGA
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Withstands very low temperatures
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Good bonding ability
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Good conductivity
Production time:
1-6 layer : 10 days
8-12 layer: 12 days
14-18 layer: 14 days
Copyright @2005-2008 Shijiazhuang OurPCB Technology Ltd.
Tel: 86-311-85981900 , 86-311-85698082 , Fax: 86-311-85981877
Email: sales@ourpcb.com , Online MSN: ourpcb@hotmail.com , Skype: ourpcb
