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Link: PCB fabrication FAQ



ITEMS PRODUCTION CAPABILITY DESCRIPTION

Max. Layer 16 Layers FR4 accept 1 - 16 layers

Aluminium Base PCB: 1 layer

Flexible PCB: 1-2 layers

Rigid-Flexible PCB: 4 + 2 layers

Material Type 4 types FR-4, Aluminium Base PCB, Flexible PCB, Rigid-Flexible PCB

Max. Dimension 500 x 500 mm The online quotation system only accepts up to 500 x 500 mm. If you require a bigger dimension, please contact us

Min. Line Width / Space 4/4 mil 4/4 mil, 5/5 mil, 6/6 mil (finished copper thickness 1 oz), 10/10 mil (finished copper thickness 2 oz), 15/15 mil (finished copper thickness 3 oz). We strongly suggest increasing the trace width and spacing for 2 and 3 oz. copper thickness

Min. Hole Size 0.2 mm Minimum mechanical via diameter is 0.25 mm. Minimum laser via diameter is 0.20 mm

Hole Tolerance (Mechanical Drilling) ±0.07 mm

Hole Tolerance (Laser Drilling) ±0.01 mm The tolerance of laser drilling hole is ±0.01mm

Via Single-side Annular Ring 3mil Minimum via is 4 mil. Minimum Components Hole is 6 mil. Increasing via annular ring is good for over current

Finished External Copper Thickness 35 - 105um The thickness of the board including External plating and finishes

Finished Internal Copper Thickness 17 - 70um The thickness of the board including internal plating and finishes. Only applies for multiple layers

Soldermask Type Photosensitive ink White, Black, Blue, Green, Yellow, Red, Purple, Matt Green and Matt Black

Min. Silkcreen Letter Width ≥6 mil If the minimum silkscreen letter width is less than 0.15 mm, the letters on the boards may not be clear

Min. Letter Height ≥1mm If the minimum silkscreen letter is less than 1 mm, the letters on the boards may not be clear due to the design

Surface Finish HASL, HASL Lead free, ENIG and OSP

PCB Thickness 0.1 - 2.4 mm FR4 material PCB thickness: 0.4/0.6/0.8/1.0/1.2/1.6/2.0/2.4 mm;

Aluminium Base PCB thickness: 1.0/1.2/1.6 mm;

Flexible PCB thickness: 0.1/0.15 mm

Board Thickness Tolerance ± 10%

Min. Slot Milling Width 0.5mm to 0.85mm 0.5mm for Plated Slot, 0.85mm for Non-Plated Slot

Space between Routing and Outline ≥0.25 mm (10mil)

Min. Cutted Hole diameter 0.6 mm

Panelize by V-cut space 0 - 0.2 mm space If you want to separate the panel board by V-cut, keep the space between 0 - 0.2 mm

Panelize by Milling space 1.6 mm If you want to separate the panel board by Milling, make sure the milling width is over 1.6 mm

Impedance control Tolerance ±10%