Category Capability Details Layers 1-2 layers 1-2 layers PCB Fabrication PCB Material FR-4/ Aluminum /CEM-1/CEM-3 FR-4(Shengyi S1141,Kingboard KB6160, Goldenmax GF112) Aluminum (Goldenmax GL12) CEM-1（Kingboard KB5150） CEM-3（Kingboard KB7150 / Goldenmax GC111 / GC112） TG Value Shengyi TG140 Shengyi TG140 / TG150 / TG170 Kingboard TG130 Kingboard TG130 / TG135 / TG150 Goldenmax TG130 Goldenmax TG130 Heat Conductivity for Alu. boards 1.0/1.5/2.0/3.0/4.0/5.0/6.0/7.0/8.0/10.0 W/m.k CTI （CTI≥175V）（CTI≥600V） / Maximum Dimension 1500x600mm Dimension Tolerance (Outline) ±0.15mm ±0.15mm for CNC routing ±0.15mm for V-scoring Thickness 0.3—3.0mm Thickness Tolerance ( t≥1.0mm) ± 10% Normally take positive tolerance due to PCB processing steps such as electroless copper, solder mask and other types of finish on the surface. Thickness Tolerance ±0.1mm Normally take positive tolerance due to PCB processing steps such as electroless copper, solder mask and other types of finish on the surface. (t<1.0mm) Min Trace 4mil（0.1mm） Minimum trace width is 4mil, strongly suggest to design trace above 6mil (0.15mm) to save cost. Min Spacing 4mil（0.1mm） Minimum trace spacing is 4mil, strongly suggest to design trace above 6mil (0.15mm) to save cost. Copper Thickness (35um/210um) 1 oz＝35um，6 oz=210um Finished Inner 1 oz (35um) Thickness of inner copper foil is 1 oz. Copper Thickness Bow and Twist Per cater-corner length，≤0.75% For boards without SMT, the max 1.5% PTH Deviation ±3mil / NPTH Deviation ±2mil / Distance between Trace and Outline ≥0.3mm（12mil） Ship as individual boards: Distance between Trace and Outline ≥0.3mm Ship as Panelized boards with V-cut: Distance between Trace and V-cut line ≥0.4mm

Category Capability Details Drilling Size 0.25–6.5mm For vias larger than 6.5mm, multiple drilling or milling is recommended PTH Deviation ±3mil NPTH Deviation ±2mil Hole Position Deviation ±3mil Hole Wall Roughness（Max） 1.5mil Min Slot Width 0.6mm For HASL, the min. finished slot width is 0.45mm，for other surface finish, it is 0.5mm. Board Thickness/Via Diameter ≤6：1 7:1≤value≤8:1, add one more day for fabrication PTH Deviation (Width) ±4mil PTH Deviation (Length) ±5mil NPTH Deviation (Width) ±3mil NPTH Deviation (Length) ±4mil Hole Wall Copper Thickness (Thinnest) ≥0.71mil Hole Wall Copper Thickness (Average) ≥0.8mil Via Space (Same Net) ≥8mil Via Space (Different Net) ≥17mil Min Space for Component Vias in Different Net ≥24mil Max. PTH (Round Hole) 8mm Max. PTH (Round Slot Holes) 6*10mm Annular Ring ≥0.153mm（6mil） It doesn’t limit the size of the single side of the annular ring if there is enough space. Or annular ring surrounded by traces should be equal to or larger than 6mil. Finished Hole Diameter (CNC) 0.25–6.5mm Due to the copper attached to the inner wall of the hole, the diameter of the finished hole is generally smaller than designed. Hole Size Tolerance (CNC) ±0.075mm E.g. For the 0.6mm hole, the finished hole size between 0.525mm to 0.675mm is acceptable.

Category Capability Details Solder Mask: (TAIYO,COANTS) Green ,Red, Yellow, Blue, White ,Black No extra charge (Green, White) Silkscreen Color: (TAIYO, COANTS) Green ,Red, Yellow, Blue, White ,Black No extra charge (Green, Black, White) Solder Mask Photosensitive ink Photosensitive ink is mostly adopted. Plastisol is used in the inexpensive paper-based boards. Solder Mask Photosensitive ink Photosensitive ink is mostly adopted. Plastisol is used in the inexpensive paper-based boards. Min Character Width (Legend) ≥0.15mm Characters width less than 0.15mm will be unidentifiable. Min Character Height (Legend) ≥0.8mm Characters height less than 0.8mm will be unidentifiable. Character Width to Height Ratio (Legend) 01:05:00 1:5 is the most suitable ratio for production.

Category Capability Details Surface Finish HASL, LF-HASL,immersion gold, OSP HASL is not acceptable for 0.4mm board.

Category Capability Details Half Hole Diameter Minimum Half hole Diameter: 1mm, No more than 10 holes. Half hole is a special technology, so half hole diameter should be greater than 1mm. Solder Mask Bridge 0.1mm Please make a note, if there is solder mask bridge requirement. The price may rise. Panelization without Spacing 0mm Ship as Panelized boards and the spacing between boards is 0mm. Panelization with Spacing 1.6mm Make sure the spacing between boards should be ≥1.6mm, otherwise it will be hard to process routing.

Category	Capability	Details
Layers	1-2 layers	1-2 layers PCB Fabrication
PCB Material	FR-4/ Aluminum /CEM-1/CEM-3	FR-4(Shengyi S1141,Kingboard KB6160, Goldenmax GF112)
		Aluminum (Goldenmax GL12)
		CEM-1（Kingboard KB5150）
		CEM-3（Kingboard KB7150 / Goldenmax GC111 / GC112）
TG Value	Shengyi TG140	Shengyi TG140 / TG150 / TG170
	Kingboard TG130	Kingboard TG130 / TG135 / TG150
	Goldenmax TG130	Goldenmax TG130
Heat Conductivity for Alu. boards	1.0/1.5/2.0/3.0/4.0/5.0/6.0/7.0/8.0/10.0	W/m.k
CTI	（CTI≥175V）（CTI≥600V）	/
Maximum Dimension	1500x600mm
Maximum Dimension	1500x600mm
Dimension Tolerance (Outline)	±0.15mm	±0.15mm for CNC routing
Dimension Tolerance (Outline)	±0.15mm	±0.15mm for V-scoring
Thickness	0.3—3.0mm


Thickness Tolerance ( t≥1.0mm)	± 10%	Normally take positive tolerance due to PCB processing steps such as electroless copper, solder mask and other types of finish on the surface.
Thickness Tolerance	±0.1mm	Normally take positive tolerance due to PCB processing steps such as electroless copper, solder mask and other types of finish on the surface.
(t<1.0mm)	±0.1mm
Min Trace	4mil（0.1mm）	Minimum trace width is 4mil, strongly suggest to design trace above 6mil (0.15mm) to save cost.
Min Spacing	4mil（0.1mm）	Minimum trace spacing is 4mil, strongly suggest to design trace above 6mil (0.15mm) to save cost.
Copper Thickness	(35um/210um)	1 oz＝35um，6 oz=210um
Finished Inner	1 oz (35um)	Thickness of inner copper foil is 1 oz.
Copper Thickness	1 oz (35um)	Thickness of inner copper foil is 1 oz.
Bow and Twist	Per cater-corner length，≤0.75%	For boards without SMT, the max 1.5%
PTH Deviation	±3mil	/
NPTH Deviation	±2mil	/
Distance between Trace and Outline	≥0.3mm（12mil）	Ship as individual boards: Distance between Trace and Outline ≥0.3mm

		Ship as Panelized boards with V-cut: Distance between Trace and V-cut line ≥0.4mm

Drilling & Hole

Category	Capability	Details
Drilling Size	0.25–6.5mm	For vias larger than 6.5mm, multiple drilling or milling is recommended
PTH Deviation	±3mil
NPTH Deviation	±2mil
Hole Position Deviation	±3mil
Hole Wall Roughness（Max）	1.5mil
Min Slot Width	0.6mm	For HASL, the min. finished slot width is 0.45mm，for other surface finish, it is 0.5mm.
Board Thickness/Via Diameter	≤6：1	7:1≤value≤8:1, add one more day for fabrication
PTH Deviation (Width)	±4mil
PTH Deviation (Length)	±5mil
NPTH Deviation (Width)	±3mil
NPTH Deviation (Length)	±4mil
Hole Wall Copper Thickness (Thinnest)	≥0.71mil
Hole Wall Copper Thickness (Average)	≥0.8mil
Via Space (Same Net)	≥8mil
Via Space (Different Net)	≥17mil
Min Space for Component Vias in Different Net	≥24mil
Max. PTH (Round Hole)	8mm
Max. PTH (Round Slot Holes)	6*10mm
Annular Ring	≥0.153mm（6mil）	It doesn’t limit the size of the single side of the annular ring if there is enough space. Or annular ring surrounded by traces should be equal to or larger than 6mil.
Finished Hole Diameter (CNC)	0.25–6.5mm	Due to the copper attached to the inner wall of the hole, the diameter of the finished hole is generally smaller than designed.
Hole Size Tolerance (CNC)	±0.075mm	E.g. For the 0.6mm hole, the finished hole size between 0.525mm to 0.675mm is acceptable.

Solder Mask

Category	Capability	Details
Solder Mask: (TAIYO,COANTS)	Green ,Red, Yellow, Blue, White ,Black	No extra charge (Green, White)
Silkscreen Color: (TAIYO, COANTS)	Green ,Red, Yellow, Blue, White ,Black	No extra charge (Green, Black, White)
Solder Mask	Photosensitive ink	Photosensitive ink is mostly adopted. Plastisol is used in the inexpensive paper-based boards.
Solder Mask	Photosensitive ink	Photosensitive ink is mostly adopted. Plastisol is used in the inexpensive paper-based boards.
Min Character Width (Legend)	≥0.15mm	Characters width less than 0.15mm will be unidentifiable.
Min Character Height (Legend)	≥0.8mm	Characters height less than 0.8mm will be unidentifiable.
Character Width to Height Ratio (Legend)	01:05:00	1:5 is the most suitable ratio for production.

Surface Treatment

Category	Capability	Details
Surface Finish	HASL, LF-HASL,immersion gold, OSP	HASL is not acceptable for 0.4mm board.

Special Technique

Category	Capability	Details
Half Hole Diameter	Minimum Half hole Diameter: 1mm, No more than 10 holes.	Half hole is a special technology, so half hole diameter should be greater than 1mm.
Solder Mask Bridge	0.1mm	Please make a note, if there is solder mask bridge requirement. The price may rise.
Panelization without Spacing	0mm	Ship as Panelized boards and the spacing between boards is 0mm.
Panelization with Spacing	1.6mm	Make sure the spacing between boards should be ≥1.6mm, otherwise it will be hard to process routing.