Milkymist One RC1 PCB Specification

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Contents

[edit] PCB Specification

MM1 RC1 pcb definition of stack up.

In general, your pcb specifications needed to be defined well at initial stage of kicking off project. So you can just list specifications as below with your final gerber files enclosed an engineering confirmation checklist, and all send them out. Your pcb maker will make pcb for you.

  • Six Layers PCB
  • Board Dimensions 150mm x 125mm in piece, 158mm x 133mm in panel
  • 10mil drill via hole pth
  • top & bot line width/line clearance, 5mils/5mils
  • top & bot 5mil annular rings
  • 1.6mm +- 0.05 mm thickness.
  • FR4
  • Components placed on TOP & BOT layer.
  • Stacking of layers: 1st layer Top/Compnents/Signals, 2nd layer Gnd, 3rd layer Signal, 4th layer Gnd, 5th layer Power, 6th layer Bottom/Components/Signals.

[edit] Board Layout

The gerber files and drill file are under http://downloads.qi-hardware.com/hardware/milkymist_one/gerber/rc1/.

PDF file.

Design File in PDF



[edit] PCB & Parts Reference

[edit] Different Views of Milkymist One board

[edit] QA Outgoing Inspection Report from PCB maker

The following inspections based on your data sent to pcb maker. Those details of inspection report would exactly more than yours.

[edit] Micro Section of PCB

[edit] Impedance Report

Layers for Via Trace Width PCB Number Average Value Maximum Value Minimum Value Meassured Date Measured Time
L1-L2 6MIL 01 89.22 90.47 87.82 27/05/10 17:39
L3-L2 6MIL 01 97.16 98.97 94.14 27/05/10 17:39
L1-L2 5MIL 01 94.11 95.32 92.60 27/05/10 17:39
L6-L5 5MIL 01 98.26 99.82 96.15 27/05/10 17:39
L3-L2 20MIL 01 51.51 53.00 50.05 27/05/10 17:39
L1-L2 6MIL 02 95.45 96.53 93.88 27/05/10 17:39
L3-L2 6MIL 02 96.03 98.76 94.73 27/05/10 17:39
L1-L2 5MIL 02 104.96 106.56 102.86 27/05/10 17:39
L6-L5 5MIL 02 102.42 104.32 99.46 27/05/10 17:39
L3-L2 20MIL 02 51.83 53.31 50.99 27/05/10 17:39
L1-L2 6MIL 03 96.30 97.89 94.44 27/05/10 17:40
L3-L2 6MIL 03 95.82 97.35 94.80 27/05/10 17:40
L1-L2 5MIL 03 103.71 105.82 100.14 27/05/10 17:40
L6-L5 5MIL 03 102.60 104.53 99.75 27/05/10 17:40
L3-L2 20MIL 03 51.59 53.52 50.29 27/05/10 17:40
L1-L2 6MIL 04 91.89 93.71 89.77 27/05/10 17:40
L3-L2 6MIL 04 95.68 98.23 93.58 27/05/10 17:40
L1-L2 5MIL 04 97.88 99.89 95.35 27/05/10 17:40
L6-L5 5MIL 04 92.87 94.96 90.29 27/05/10 17:40
L3-L2 20MIL 04 51.64 52.95 50.79 27/05/10 17:40
L1-L2 6MIL 05 94.60 95.93 93.05 27/05/10 17:40
L3-L2 6MIL 05 95.96 98.88 93.81 27/05/10 17:40
L1-L2 5MIL 05 102.78 103.91 100.70 27/05/10 17:40
L6-L5 5MIL 05 103.10 105.69 100.92 27/05/10 17:40
L3-L2 20MIL 05 52.13 53.89 50.90 27/05/10 17:40
L1-L2 6MIL 06 91.50 92.61 89.84 27/05/10 17:41
L3-L2 6MIL 06 94.35 95.77 93.53 27/05/10 17:41
L1-L2 5MIL 06 99.20 101.14 97.06 27/05/10 17:41
L6-L5 5MIL 06 94.20 96.02 92.13 27/05/10 17:41
L3-L2 20MIL 06 49.95 51.97 48.63 27/05/10 17:41
L1-L2 6MIL 07 94.18 95.48 92.22 27/05/10 17:41
L3-L2 6MIL 07 95.69 96.87 94.81 27/05/10 17:41
L1-L2 5MIL 07 103.70 104.18 102.49 27/05/10 17:41
L6-L5 5MIL 07 103.95 106.10 101.71 27/05/10 17:41
L3-L2 20MIL 07 51.19 53.12 49.78 27/05/10 17:41
L1-L2 6MIL 08 85.59 87.33 84.01 27/05/10 17:42
L3-L2 6MIL 08 96.17 97.94 94.53 27/05/10 17:42
L1-L2 5MIL 08 100.13 101.42 98.67 27/05/10 17:42
L6-L5 5MIL 08 91.74 92.56 90.68 27/05/10 17:42
L3-L2 20MIL 08 51.78 53.57 50.53 27/05/10 17:42
L1-L2 6MIL 09 91.90 93.99 88.64 27/05/10 17:42
L3-L2 6MIL 09 95.47 97.30 93.96 27/05/10 17:42
L1-L2 5MIL 09 100.07 102.69 95.21 27/05/10 17:42
L6-L5 5MIL 09 104.40 107.47 101.44 27/05/10 17:42
L3-L2 20MIL 09 51.06 52.81 49.76 27/05/10 17:42
L1-L2 6MIL 10 93.44 95.24 91.59 27/05/10 17:43
L3-L2 6MIL 10 96.08 97.40 94.30 27/05/10 17:43
L1-L2 5MIL 10 101.80 104.01 98.28 27/05/10 17:43
L6-L5 5MIL 10 102.25 103.75 100.15 27/05/10 17:43
L3-L2 20MIL 10 51.02 53.11 49.49 27/05/10 17:43

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