产品规格:
- Material: FR4 PCB
- Layer count: 4 layers
- Board thickness: 1.6mm
- Finish copper thickness: 1.0 oz
- Surface treatment: ENIG ( Immersion Gold ),Au 4'' min
- Application: Electrical appliances
制程能力:
|
Nickel
& Gold thickness for ENIG |
Nickel: ≥100u"(2.54um) Gold: 1-3u"(0.025-0.076um)
3-5u"(0.076-0.127um)
|
|
Immersion
silver thickness |
8-16u"
(0.2-0.4um) |
|
Nickel
and gold thickness for flash gold plating |
Nickel: ≥100u"(2.54um)
Gold: ≤60u"(1.524um)
|
|
Solder
thickness on SMD Pad(HASL)(MIN.) |
40u"(1.0um) , 100u" (2.54um) |
|
Solder
thickness without SMD Pad(HASL) (MIN.) |
40u"(1.0um) |
电路板制作流程图:
