Dazheng

Office: +86-0755-27468299

PCB Business Unit

Capability 300,000 ft2/month.

Technology and Equipment

Focusing on the production and sales of various types of PCB products. we have advanced production equipment and process technology to meet customers’ various special requirements for PCBs, and have high reliability, excellent electrical properties and good processing performance.

Product Application

Our PCBs are widely used in signal communications, medical, aerospace and other fields.

PCB Division Product Distribution

Specializing in the production of double-sided and multi-layer circuit boards.

Double-sided boards account for 10%.

four-layer boards account for 52%.

six-layer boards account for 30%.


boards with more than eight layers account for 8%.

Double panel
10%
Four-layer board
52%
Six-layer board
30%
Eight or more layers
8%
SeriesItemTechnical Sepecification
1Product categories aluminum substrate,copper substrate,iron substrate,ceramic substrate
2Number of layer1-4ayer
3Surface Treatment Tin-spraying, OSP, gold plating,nickel palladium, silver plating
4Maximum machining size1500MM*600MM
5Minimum machining size5MM*5MM
6Minimum line width/line spacing0.1MM/0.1MM
7Sheet warping degree<=0.5%
8Board thickness processing range0.2MM-5MM
9Copper foil c range18UM-210UM
10Forming toleranceDie CNC+/-0.1MM, plus or minus 0.1MM
11V-CUT dimensional tolerance:+/-0.15MM
12Hole copper thickness rangeMore than 20 UM
13Pore size tolerance :+/-0.05MM
14Minimum hole diameterThree-quarters of thickness or higher
15Half pit aperture range Aluminum 0.8MM-6.5MM, copper 0.8MM-4.0MM
16Countersunk head aperture range1.2MM-10MM
17V-CUT board thickness range Aluminum 0.4MM-3.5MM, copper 0.6MM-3.0MM
18Exposure offset:+/-0.075MM
19Minimum screen pringting character width(character thickness) 0.15MM
20Minimum screen pringting character Height(overall height) 0.8MM
21Minimum resistance welding window opening0.2MM
22Minimum punching diameter1.5MM
23Minimum slot size2MM*3MM
24Punching distance from hole to edgeMore than 1.0MM
25length of connecting bit of connecting boardMore than 5MM
26Blanking thickness range0.2MM-4MM
27Voltage safe distanceDistance from wire to edge(hole)/withstand woltage =1.2MM/AC1000V
28Maximum Voltage resistance of the materialAC10000V
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