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 |
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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 |
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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 |
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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" |