Product parameters:
Number of floors: 4 layers
Material: Copper
Finished product thickness: 4.0MM
Finished copper row thickness: 3.0MM
Surface treatment: immersion gold
Minimum aperture:
Minimum line width:
This product is used for new energy automotive battery panels, electric vehicle battery panels, PDU busbars, PDU control panels, EDM control panels, DB busbars, laminated busbars and other copper based circuit boards above new energy products.
Engineering technical parameters
Technical project | Technical indicators of process capability |
Surface treatment | Electroplated nickel gold, spray tin, chemical gold, carbon oil, gold finger, anti-oxidation, sinking tin, immersion silver |
biggest size | 600mm×700mm |
Minimum board size | 5mm×5 mm |
Plate warpage | Single panel ≤ 1.0%, double panel ≤ 0.7%, multilayer board ≤ 0.5% |
Minimum thickness & tolerance range | 0.2mm±0.08mm |
Minimum line width / line gap & tolerance range | Spray tin plate:0.2mm±20%(8mil±0%) |
Gold plate:0.075mm±20%(3mil±0%) | |
Copper peel from the edge of the board | 0.5mm(20mil) |
Hole margin line edge | 0.3mm(12mil) |
Minimum aperture & tolerance range | 0.2mm±.076mm(8mil±3mil) |
Minimum Pitch & Tolerance Range | 0.4mm±.076mm(16mil±3mil) |
Copper thickness in the hole | 20-25um(0.79mil—1.0mil) |
Hole positioning deviation | ±0.076mm(l±3mil) |
Minimum punching hole diameter | FR-4 plate thickness 1.0mm (40mil) or less: 1.0mm (40mil) |
FR-4 plate thickness 1.2-3.0mm (48-120mil): 1.5mm (60mil) | |
Minimum punch square specification | FR-4 CEM-3 plate thickness 1. 0mm (40mil) or less: 0.8 mm× 0.8 mm (32 mil× 32 mil) |
FR-4 plate thickness 1.2-3.0mm (48-120mil): 1.0 mm× 1.0 mm (40mil× 40mil) | |
Silk screen line deviation | ±0.076mm(±3mil) |
Molding dimensional tolerance range | Shape: ± 0.1mm (± 4mil), die shape: ± 0.05mm (± 2mil) |
V cutting alignment accuracy ± 0.2mm (± 8mil) | |
product type | Single-sided, double-sided, multi-layer |
Substrate | FR-4, CEM-1, CEM-3, high frequency, aluminum based, iron based, copper based |
Processing thickness | 0.2-3.5mm |
Copper substrate thickness | 11um 35um 70um 105um |
Plate thickness ratio | 8:1 |
V cut angle deviation | ±5° |
V cutting sheet thickness range | 0.4mm -3.2mm(16mil -128mil) |
Minimum SMT spacing | 0.3mm(12mil) |
Minimum component mark font | 0.15mm(6mil) |
Welding ring unilateral minimum width (finished product) | 0.15mm(6mil) |
Pad minimum window | 0.076mm(3mil) |
Minimum green oil bridge | ±0.076mm(±3mil) |
Carbon oil board process data: 1. High impedance control range: 20K & plusmn; 10% 2. Hardness: 6H 3. Can withstand friction times: 200000 times or more |