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Some of industries need heavy copper boards so just it is enogh to contact us for ordering we can support you from 0.5 oz to 11 oz copper weight

But for quting we can send PI at least 2 hours to you from 0.5 to 4 oz for more copper weight we will need 24 hours time

Heavy Copper PCB General Info

Heavy Copper Board does not have a set of definition per IPC. According to PCB industry, however, peopel generally use this name to identify a printed circuit board with copper conductors 3 oz/ft2 - 10 oz/ft2 in inner and/or outer layers. And Extreme heavy copper PCB refers to 20 oz/ft2 to 200 oz/ft2 printed circuit board.

Heavy copper normally used for a various products but not limited to: high power distribution, heat dissipation, planar transformers, power convertors, and so on.

Design Guide for Heavy Copper PCB

  • The minimum width and thickness of a heavy copper PCB conductor is determined primarily on the basis of the current carrying capacity required and the maximum permissible conductor temperature rise.
  • A circuit board trace, depending on its size and manufacturing process, may not be rectangular in shape. Heavy copper conductors can significantly add to the overall board thickness.
  • Additive (plating) processed are preferred to subtractive (etching) processes but are more expensive).
  • Typical conductor width/spacing/thickness tolerance is +/-20%, although tighter tolerance is achievable.

Capability of Heavy Copper PCB

  • Base material: FR4/Aluminum
  • Copper thickness: 4 OZ~10 OZ
  • Extreme Heavy Copper: 20~200 OZ
  • Outline: Routing, punching, V-Cut
  • Soldermask: White/Black/Blue/Green/Red Oil
  • Surface finishing: Immersion Gold, HASL, OSP
  • Max Panel size: 580*480mm(22.8"*18.9")
 Heavey Coper-1

Please contact us for more information about heavy copper PCB and extreme heavy copper printed circuit board (heavy copper PCB).

Heavy Copper Printed Circuit Boards (PCB)

Epec has been building heavy copper circuit boards with traces and copper planes of up to 6 ounces for over 20 years. Our expertise is in producing at a reasonable cost, heavy copper PCB's that are of proven designs. Our engineering team can work with you to review your design to make sure that they can be manufactured with the highest quality at the best overall cost.

Heavey Coper-2

Industries Served Using Heavy Copper Printed Circuit Boards

  • Welding Equipment
  • Solar Panel Manufacturers
  • Power Supplies
  • Automotive
  • Electrical Power Distribution
  • Power Converters

Heavy Copper Printed Circuit Board Capabilities

  • Maximum Number of Layers = 16
  • Laminate – FR-4 (All Tg Ranges), Teflon, Ceramic
  • Finished Thickness = .020" - .275"
  • Green, Blue, Red, Black, Clear & White Solder Masks & Legend Inks
  • Minimum Soldermask Clearance – 6 mils
  • Minimum Solderdam Width – 5.5 mils
  • Hot Air Solder Leveling (HASL)
  • Immersion Gold (ENIG) & Immersion Silver
  • Blind & Buried Vias
  • Minimum Drill Bit Hole Size = .012"
  • Minimum Holes Size - .008" +.005"/-.008"
  • Maximum Hole Aspect Ratio = 10:1
  • Maximum Copper Weight = 6 oz. (UL Approved)
  • Controlled Impedance +/- 10%
  • Minimum Silkscreen Line Width – 8 mils

 

Production Minimums

Measured in Inches

Hoz

1oz

2oz

3oz

4oz

5oz

6oz

Min. Conductor Width

0.004

0.005

0.006

0.007

0.008

0.009

0.10

Min. Conductor Spacing

0.004

0.006

0.008

0.012

0.014

0.017

0.020

Min. Pad to Pad Spacing

0.004

0.006

0.008

0.012

0.014

0.017

0.020

Min. Conductor-to-Pad Spacing

0.004

0.006

0.008

0.012

0.014

0.017

0.020

Min. PTH Annular Ring

0.006

0.006

0.008

0.009

0.011

0.013

0.014

Min. VIA Annular Ring

0.006

0.006

0.008

0.009

0.011

0.013

0.014

Min. Distance - Hole to Board Edge

0.010

0.010

0.010

0.010

0.010

0.010

0.010

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Design by: Electronic Trade of Arsh Gostar Co. (ETAG) Multimedia Studio :: amir abdi :: 2016