| Project | Technical standard | Remarks | |
|---|---|---|---|
| Number of layers | 1st-14th layers | 15-18 layers can be produced in small batch | |
| Material science | CEM-3 FR-4 | ||
| Plate thickness | 0.3mm-3.20mm(12mil-126mil) | ||
| Minimum core plate thickness | 0.1mm(mil) | ||
| Copper thickness | 1/2 oz min: 3 oz max | ||
| Minimum line width / spacing | 0.1mm(4mil) | ||
| Minimum borehole diameter | 0.25mm(10mil) | ||
| Minimum punching hole diameter | 0.9mm(10mil) | ||
| Tolerance | Borehole location | ±0.075mm(3mil) | |
| Line width | ±0.1mm (4mil) or± 20% of line width | ||
| Aperture | PTH±0.1mm(4mil) NPTH±0.075mm(3mil) | ||
| External tolerance | Milling machine ±0.15mm (6mil) Punch machine ±0.10mm (4mil) | ||
| Warpage | 0.70%-1% | ||
| Pad surface treatment | Nickel/Gold Plating/Entek/Hot Air | ||
| Insulation resistance | 10KΩ-20MΩ | ||
| Conduction resistance | <50Ω | ||
| Test voltage | 150-300V | ||
| V engraving | Panel size | 110x100mm(min.) 660×600mm(max.) | |
| Plate thickness | 0.6mm(24mil)min. | ||
| Reserved thickness | 0.3mm(12mil)min. | ||
| Tolerance | ±0.1mm(4mil) | ||
| Groove width | 0.50mm(20mil )max. | ||
| Slot to slot | 10mm min. | ||
| Slot to line | 0.50mm(20mil)min | ||
| Groove | Slot size tol.> = 2W tolerance | PTH L: ±0.15mm(6mil) W: ±0.1mm(4mil) | Where: L=Slot length W=Slot width Min.drill bit size or multi-drill is 0.7mm |
NPTH L: ±0.125mm(5mil) W: ±0.1mm(4mil) | |||
| Minimum hole to circular distance | PTH Hole: 0.13mm(5mil) | ||
| NPTH Hole: 0.18(7mil) | |||
Registration Tolerance of Front/Back image | Circular deviation | 0.075mm(3mil) | |
| Multilayer board | lnterlayer deviation | 4 layers: 0.15mm(6mil)max. | |
| 6 layers: 0.025mm(10mil)max. | |||
| Minimum circular distance from hole to inner layer | 0.25mm(10mil) | ||
| Minimum distance from plate edge to inner circle | 0.25mm(10mil) | ||
| Plate thickness tolerance | 4 layers: ±0.13mm(5mil) | ||
6 layers: ±0.15mm(6mil) | |||
| Characteristic impedance | 60 ohm±10% | ||
| Product Name: | Double sided matte green oil tinplate | ||
| Product Description: | Tinplate: Rocess features: including two layers of copper and tin , wherein Cu 2 25 u m，Sn25.0 u m.it is characterized by beingable to adapt to poor environmental conditions and good solder performance . it is suitable for high temperature and comro-sive environment. Scope of application: industrial control equipment products, communication products, business equipment products,instruments and military equipment products with high requirements. Matte resistance welding can protect the eyes of welding workers and will not reflect light General requirements forEuro-pean orders. | ||
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