国产精品vⅰdeoXXXX国产,欧美午夜精品一区二区蜜桃 ,欧美黑人BBCVIDEOS极品,亚洲精品区一区二区三区四区五区高

1. Product type: single-sided, double-sided and multilayer printed circuit board (PCB) hard board, buried blind hole board.
2. Maximum processing size: single panel, double-sided board: 1000mm * 600mm multilayer board: 600mm * 600mm
3. Maximum number of floors: 20
4. Thickness of processed plate: rigid plate 0.4mm -4.0mm
5. Thickness of base material copper foil: rigid plate 18 μ (1/ 2OZ ),35 μ ( 1OZ ),70 μ ( 2OZ ) 105u(3OZ)
6. Common substrates: FR-4, CEM-3, CEM-1, 94hb, 94vo, polytetrafluoroethylene, polyester, polyammonium acylate.
7. Process capability:
(1) Drilling: minimum hole diameter 0.20mm
(2) Hole metallization: the minimum hole diameter is 0.20mm, and the plate thickness / hole diameter ratio is 4:1
(3) Wire width: minimum line width: gold plate 0.075mm, tin plate 0.10mm
(4) Wire spacing: minimum spacing: gold plate 0.075mm, tin plate 0.10mm
(5) Gold plated plate: nickel layer thickness: ＞ or =2.5 μ Thickness of gold layer: 0.05-0.1 μ M or as required by the customer
(6) Tin spray plate: thickness of tin layer: > or =2.5-5 μ
(7) Milling plate: minimum distance from line to edge: 0.15mm minimum distance from hole to edge: 0.2mm minimum shape tolerance: ± 0.12mm
(8) Socket chamfer: angle: 30 degrees, 45 degrees, 60 degrees depth: 1 -3mm
(9) V-CUT: angle: 30 degrees, 35 degrees, 45 degrees, depth: 2/3 of plate thickness, minimum size: 80mm * 80mm
(10) On off test: maximum test area: 400mm * 500mm maximum test point: 8000 points maximum test voltage: 300V maximum insulation resistance; 100m Euro 8. Welding resistance: 85---105 ℃ / 280 ℃ ---360 ℃

Delivery method
We adopt the best delivery method according to the needs of customers. At present, we cooperate with UPS, FedEx, DHL and logistics agents. We can also provide shipping services.