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Heavy Copper Guidelines

Royal Circuits has been manufacturing heavy copper boards for over 10 years.

MAXIMUM BOARD SIZE

Board Type

Maximum Dimensions (inches)

Single-Sided / Double-Sided                 

18 x 24

Multi layer

16.30″ X 22.30″

  1. Maximum Number of Layers = 20
  2. Laminate – FR4 and Rogers Hybrid
  3. Finished Thickness = .020″ – .450″
  4. Green, Blue, Red, Black, & White Solder Masks
  5. Minimum Soldermask Clearance – 6 mils
  6. Minimum Solder Dam Width – 5.5 mils
  7. Hot Air Solder Leveling (HASL)
  8. Immersion Gold (ENIG) & Immersion Silver and White Tin.
Measured in Inches  1 oz 2 oz 4 oz 6 oz 8 oz 10 oz 12 oz
Min. Conductor Width0.0050.0050.0060.0070.0080.0090.10
Min. Conductor Spacing0.0050.0060.0080.0120.0140.0170.020
Min. Pad to Pad Spacing0.0050.0060.0080.0120.0140.0170.020
Min. Conductor to Pad Spacing0.0050.0060.0080.0120.0140.0170.020
Min. PTH Annular Ring0.0060.0060.0080.0090.0110.0130.014
Min VIA Annular Ring0.0060.0060.0080.0090.0110.0130.014
Min. Distance Hole to Board Edge0.0100.0100.0100.0100.0100.0100.010

Address

Royal Circuits,
21 Hamilton Ct,Hollister, CA 95023

Email: sales@royalcircuits.com

Phone: 1-831-636-7789

Royal Circuits South
15505 Cornet St., Santa Fe Springs, CA 90680

1-562-404-0626

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