Circuit Solutions have been always specializing in rapid turns for PCB prototyping, and small to middle and large volume fabrication for decades.
General Specification for Rigid FR4 PCB in Circuit Solutions:
Layer Count: 1-20+ Layers
Materials Available: CEM1, CEM3, FR4, High Tg FR4, Halogen-free FR4, Rogers, Arlon, Taconic, Teflon
Board Thickness: 0.2-5.0mm
Finished Copper Thickness: 1-6oz
Min. trace width/space: 2/2mil
Min. Hole Diameter: 0.2mm
Color of Solder Mask: Green, Blue, White, Black, Yellow, Red
Color of Silkscreen: White, Black, Yellow
Surface Treatment: HASL, HAL (Lead-free), OSP, Gold Plating, Immersion Gold/ Silver/Tin
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Layer count: 8 Layer
Board thickness: 1.2mm
Size: 42.8mm*38.2mm
Material: FR4
Min. Hole Diameter: 0.3mm
Surface Treatment: ENIG
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Layer count: 4 Layer
Board thickness: 1.6mm
Size: 219mm*157.3mm
Min. Hole Diameter: 0.35mm
Min. PTH: 25um
Finished copper thickness: 1oz
Surface Treatment: ENIG
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Layer count: 2 Layer
Board thickness: 1.0mm
Finished copper thickness: 1oz
Material: FR4
Min. Hole Diameter: 0.25mm
Surface Treatment: ENIG
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Thick copper PCB for surveillance products
Layer count: 2 Layer
Board thickness: 2.0mm
Finished copper thickness: 3oz
Material: FR4
Min. Hole Diameter: 0.6mm
Surface Treatment: ENIG
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Thick copper PCB for surveillance products
Layer count: 2 Layer
Board thickness: 2.0mm
Finished copper thickness: 3oz
Material: FR4
Min. Hole Diameter: 0.6mm
Surface Treatment: ENIG
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DVR PCB Board
Layer count: 6 Layer
Material: FR4
Board thickness: 1.0mm
Min. Hole Diameter: 0.4mm
Surface Treatment: ENIG
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Multiplayer PCB
Layer count: 6 Layer
Material: FR4
Min. Hole Diameter: 0.4mm
Surface Treatment: ENIG
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GPS Navigation PCB
Layer count: 4 Layer
Board thickness: 1.4mm
Material: FR4
Min. Hole Diameter: 0.8mm
Surface Treatment: ENIG
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GPS Navigation PCB/ High Tg PCB
Layer count: 2 Layer
Material: FR4 Tg 170
Board thickness: 1.0mm
Min. Hole Diameter: 0.4mm
Surface Treatment: ENIG
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Layer count: 10 Layer
Material: FR4 Tg170
Board thickness: 1.6mm
Finished copper thickness: 1oz
Surface Treatment: ENIG, Impedance control
Soldermask color: Black
Legend color: White
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Layer count: 8 Layer
Material: FR4
Board thickness: 0.8mm
Finished copper thickness: 1oz
Surface Treatment: ENIG, Impedance Control
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Layer count: 8 Layer
Material: Halogen-free FR4
Board thickness: 1.2mm
Finished copper thickness: 1oz
Surface Treatment: OSP, Impedance Control
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Layer count: 4 Layer
Material: FR4
Board thickness: 0.8mm
Finished copper thickness: 1oz
Surface Treatment: ENIG
Half-hole diameter: 0.5mm
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Layer count: 2 Layer
Material: Halogen-free FR4
Board thickness: 1.2mm
Finished copper thickness: 1oz
Surface Treatment: ENIG, Impedance control
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Layer count: 6 Layer
Material: Halogen-free FR4 Tg170
Board thickness: 1.6mm
Finished copper thickness: 1oz
Surface Treatment: ENIG, Halogen-free
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Layer count: 8 Layer
Material: FR4
Board thickness: 1.6mm
Finished copper thickness: 1oz
Surface Treatment: OSP, Buried via PCB, Impedance Control
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Layer count: 4 Layer
Material: FR4
Board thickness: 1.6mm
Finished copper thickness: 1oz
Surface Treatment: ENI, gold finger
Soldermask color: black
Legend color: White
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Layer count: 2 Layer
Material: FR4
Board thickness: 2.0mm
Finished copper thickness: 3oz
Surface Treatment: ENIG
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Layer count: 4 Layer
Material: FR4
Board thickness: 0.8mm
Finished copper thickness: 1oz
Surface Treatment: ENIG
Soldermask color: Matte black
Legend color: White
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Layer count: 6 Layer
Material: FR4
Board thickness: 1.0mm
Finished copper thickness: 1.5oz
Surface Treatment: ENIG, Buried Holes