Dazheng

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Process Capabilities

PCB Process Capability
Series Item Technical Sepecification
1 Maximum layer Count 36 layer
2 TG Ordinary TG,Halogen-free,Middle to high TG, FR4, High frequency and high speed circuit board
3 Major laminate Suppliers KB shengyi,ITEQ,Nan Ya
4 Board thickness 0.3MM-4.0MM
5 Board thickness range 0.3-0.6MM+/-0.075MM 0.65-1.0MM+/-0.1MM >1.0MM+/-0.1MM
6 Board thickness size >=1.6MM 580*650MM >=1.0MM 546*650MM >=0.6MM 300*650MM <0.6MM 150*300MM
7 Types of surface finish OSP HASL,LF-HASL,Immersion Gold/Tin/Silver, Hard gold plating
8 Min Hole Size(Drill) 0.15MM
9 Copper thickness Inner and outer layer 5OZ
10 Hole range(Drill) PTH/NPTH:+/-0.05MM, conventional:+/-0.075MM
11 Maximum Plated Hole Aspect Ratio Through hole 8/1
12 Minimum wire diameter/Line spacing(inner layer) 2.5/2 mil
13 Minimum wire diameter/Line spacing(outer layer) 3/3 mil
14 Impedance tolerance :+/-0.1
15 Minimum window opening for solder mask 2 mil
16 Solder mask alignment tolerance 30um
17 Minimum solder mask bridge 3 mil
18 Plate bending,Distortion <=0.5%
19 CNC gong plate tolerance :+/-0.1MM
20 Minimum BGA pad 0.2MM
21 Minimum BGA spacing >=0.2MM
22 HDI structure Level 1-2 HDI
23 Minimum laser aperture 0.1MM
24 Minimum mechanical drilling diameter 0.15MM
Metal substrate Process Capability
Series Item Technical Sepecification
1 Product categories  aluminum substrate,copper substrate,iron substrate,ceramic substrate
2 Number of layer 1-4ayer
3 Surface Treatment Tinspraying, OSP, gold plating,nickel palladium, silver plating
4 Maximum machining size 1500MM*600MM
5 Minimum machining size 5MM*5MM
6 Minimum line width/line spacing 0.1MM/0.1MM
7 Sheet warping degree <=0.5%
8 Board thickness processing range 0.2MM-5MM
9 Copper foil c range 18UM-210UM
10 Forming tolerance Die CNC+/-0.1MM, plus or minus 0.1MM
11 V-CUT dimensional tolerance :+/-0.15MM
12 Hole copper thickness range More than 20 UM
13 Pore size tolerance :+/-0.05MM
14 Minimum hole diameter Three-quarters of thickness or higher
15 Half pit aperture range  Aluminum 0.8MM-6.5MM, copper 0.8MM-4.0MM
16 Countersunk head aperture range 1.2MM-10MM
17 V-CUT board thickness range  Aluminum 0.4MM-3.5MM, copper 0.6MM-3.0MM
18 Exposure offset :+/-0.075MM
19 Minimum screen pringting character width(character thickness) 0.15MM
20 Minimum screen pringting character Height(overall height) 0.8MM
21 Minimum resistance welding window opening 0.2MM
22 Minimum punching diameter 1.5MM
23 Minimum slot size 2MM*3MM
24 Punching distance from hole to edge More than 1.0MM
25 length of connecting bit of connecting board More than 5MM
26 Blanking thickness range 0.2MM-4MM
27 Voltage safe distance Distance from wire to edge(hole)/withstand woltage =1.2MM/AC1000V
28 Maximum Voltage resistance of the material AC10000V

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