PCB,PCB Assembly,printed circuit, board assembly

1) PCB Assembly

2) Printed circuit,

3) printed circuit boards,

4) pcb printed circuit board

5) PCB Design

Why US?

High End, Quick Turn PCBs & Assembly

Prompt & professional Service

Fast delivery

OEM & LOW-VOLUME ORDER ACCEPTABLE

Quality assured

Strong ability

Grandtop PCB Capabilities:

1) Layers: 2-18 layers

2) Max. Board Size:460*400MM

3) Min. Board Thickness: 2-layer 0.15mm

                      4-layer 0.38 mm

                      6-layer 0.55 mm

                      8-layer 0.8mm

                      10-layer 1.0mm

4) Min. Line Width/Space: 0.075mm (3.mil)

5) Max. Copper thickness: 6OZ

6) Min. S/M Pitch: 0.075(3mil)

7) Min. Hole size: 0.1mm (4mil)

8) Hole dia. Tolerance (PTH): -+0.05mm (2mil)

9) Hole dia. Tolerance (NPTH): +0/-0.05mm (2minl)

10) Hole position deviation: -+ 0.05mm (0.2mil)

11) Outline tolerance: -+0.10mm (4mil)

12) Twist & Bent: 0.75%

13) Electric strength :> 1.3kv/mm

14) S/M abrasion:.6H

15) Test Voltage: 50-300v

16) Min blind/buried via:0.15mm (6mil)

17) Surface Finished: HAL, ENIG, ImAg, Imsn OSP, Plating AG, Plating gold

18) Materials: FR4, H-TG, Teflon, ROGERS, Ceramics, Aluminum, Copper

Grandtop Group was established in 2005, takes over an area of 4000 square meters, its sub-company Shenzhen Grandtop Automation Co., ltd is a manufacture specialized in PCB Assembly, SMT and DIP processing. It is well-equipped in both production and inspection. Our products are widely used in industrial equipments, communication apparatus, automobile electronics, computers, medical devices and network devices