6 Layer Heavy Copper 3oz ENIG PCB Board,High Quality PCB

Board

Common FR4 board: ShengYi, LianMao ,JianTao

Special board: Rogers Ya Dragon Nelco ISOLA

High TG: ShengYi: s1000-2 LianMao:IT180)

Surface Treatment

Antioxidation, Soldering, Lead-free Soldering, Immersion Gold, Immersion Silver,Gold Plated, Whole Board Gold Plated, Connecting Finger, ENEPIG

Finished Product Tolerance Control

Thickness≤1.0mm:+/-0.1mm

1.0mm<Thickness≤2.0mm:+/-10%

Thickness>2.0mm:+/-8%

Plated-through Hole):+/-3mil,Non-mental Holes:+/-2mil

Appearance of Tolerance):

Length≤100mm:+/-0.1mm

100<Length≤300mm:+/-0.15mm

Length>300mm:+/-0.2mm

Technical Parameters

Min Line Width/Distance):3mil/3mil

Min Hole Diameter):

Mechanical Drilling)—0.15mm Laser Drilling)—0.1mm

Min Welded Ring):4mil

Max Copper Thickness :12oz

Max Size of Finished Product):

Two-sided≤600mm*1200mm ≤500mm*1200mm

Range of Board Thickness):

Two-sided0.2—7.0mm 0.4—7.0mm

Anti-soldering Bridge≥0.08mm

Board Thickness Aperture Ratio):15:1

Taphole Ability):0.2—0.8mm

Gold/Ni Thickness Control):

1,Immersion Chemical Nickel Gold:Au,1—10u”

2,Connecting Finger:Au,1—150u”

3,Whole Board Gold Plated:Au,1—3u”

4,Whole Board Solid Gold Plated:Au,1—150u”

5,Nikel thickness:50—500u”

6,ENEPIG:Pd,2—5u”,Au,1—8u”