FR4 Auto Parts Carbon Ink Circuit Board

XDCPCB77

We offer one-stop thick film circuit board(Carbon PCB – Conductive ink PCB)solutions. We are Professional carbon ink circuit board manufacturer in China.

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Product Details

Specifications of Carbon Ink Circuit Board:

Product	Inductor Cooker PCBA
Material	FR-4, FR1,FR2; CEM-1, CEM-3,Rogers, Teflon,Arlon,Aluminum Base, Copper Base,Ceramic, Crockery, etc.
Copper Thickness	1/2 oz min; 12oz max
Finish Board Thickness	0.2 mm-6.00mm(8mil -126mil)Surface Finish
Surface Treatment	Solder Mask(black, green, white, red, blue, thickness>=12um, Block, BGA)
	Silkscreen(black, yellow, white)
	Peel able-mask(red, blue, thickness>=300um)
Surface Finish	Gold finger, Immersion Gold, Plating Gold, HASL, OSP
Shape	Routing、Punch、V-cut、Chamfer
Conductor Width(W)	+/-0.05mm(2mil) or +/-20% of original
Hole Diameter(H)	PTHL:+/-0.075mm(3mil)
Hole Diameter(H)	Non PTHL:+/-0.05mm(2mil)
Conductivity	<50ohm
Warp & Twist	0.70%
Insulation Resistance	10Kohm -20Mohm
Panel Size	110 x 100mm(min)
Panel Size	660 x 600mm(max)
Min Trace Width & Line Spacing	0.075mm /0.075mm (3mil/3mil)
Min Hole Diameter for CNC Drilling	0.1mm(4mil)
Min Hole Diameter for Punching	0.6mm(35mil)
Hole Position	+/-0.075mm(3mil) CNC Drilling

Itroduction of Carbon ink

Carbon ink is typically used to create a protective contact surface for switches. It's typically much more cost effective than the typical alternative, which is hard electroplated gold. However, since it is a screened on ink, finding a capable supplier can be difficult.

Applications for Carbon Ink PCBs:

Other uses for carbon ink are to create surface resistors and slider switches for potentiometers. These require even more skill to screen since the definition of the feature directly impacts the performance of the board.

Specification of carbon PCB:

Base Materials:

FR-4, FR-1, FR-2, CEM-1, CEM-3

Material Thickness 0.1mm ~ 3.2mm

Carbon Pattern Resistance

Contact 1 (On Copper): Max. 100 Ω / Contact

Contact 2 (On Bakelite): Max. 1k Ω / Contact

Min. Pattern Width / Space Copper Pattern Width: 0.18 / 0.18 mm

Copper Pattern Space: 0.5 / 0.5 mm

Insulation Resistance Between Cu-Jumpers

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