We manufacture Copper & Aluminum-Trace PCBs

Design Guide for Aluminum Trace PCBs

Our boards conform to IPC-A-600 Class 2

Characteristics - 2 Layer Boards

Specifications		Plated Through Hole Version	Non Plated Through Hole Version
Aluminum thickness		20µm, 22µm (lower or higher upon request)	30µm
Aluminum alloy		Pure aluminum	AL 3003 H18
Base material type		4350B - Rogers P96/P26 - Isola	FR4
Base material thickness		As per base material type offerings from manufacturer	0.009"- 0.031"
PCB final surface finish		Bare Aluminum / Aluminum with selective copper
Electrical testing		If required it would need to be accounted for during layout design
Lead time		8 weeks standard, expedite available	3 weeks standard, expedite available
Maximum operating temperature (Estimated)		TBD	110° C
Minimum operating temperature		Absolute zero
Trace superconducting temperature		1.1 Kelvin	500 milliKelvin
Minimum PCB size or Minimum customer panel PCB size		0.10"x 0.10"
Maximum PCB size or Maximum customer panel PCB size		12" x 16"
PCB Panelization Options (Routing)		Singles, tab-routed, v-score
Quantity		Low to medium volume
Silk Screen
Silkscreen colour		Black or white
Silkscreen layer		None, top and/or bottom
Smallest distance between silk screen lines		0.005"
Smallest silk screen lines' width		0.005"
Solder Mask
Solder mask colour		Green, white, black, blue or red
Solder mask clearance to metal		0.002"
Minimum clearance to unmasked aluminum		0.005"
Smallest solder mask lines' width		0.006"
Drills
Holes bigger than 0.250"		Are routed
Intersecting or overlapping drills		Not possible, will be routed
Possible drill sizes		0.012" to 0.250"
Smallest finish hole size		0.010"
Smallest spacing between drilled holes  (drill edge to drill edge)		0.010"
PTH  (plated through holes)		0.012" to 0.062"	Not available
Available routing diameters		0.0315" up to 0.0940"
Plated slots		0.031" to 0.062"	Not available
Smallest radius  (inner corners)		0.01575"
Smallest routed slot width		0.0315"
Fabrication Tolerances
Base materials RoHS-compliance		Standard
IPC-Standards		IPC-A-600 - Class 2, if applicable
Material thickness tolerances		Dependent on base material type selected	+/-10%
Max. offset drill centre to centre of reference		0.002"
Photolithography registration tolerance		0.005"
Routing tolerance		0.005"
Smallest annular ring		0.005"
Smallest SMD pitch		0.010"
Smallest space width		0.005"
Space width variability		+/- 0.002"
Smallest trace width		0.008" (smaller upon request and at a lower yield)
Trace width variability		+/- 0.002"
UL-approval		Standard	Not Standard
V-Score core remaining		0.010"
V-Score position to aluminum features		0.015"