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Cambridge America Cambridge America, LLC is a professional PCB distributor providing prototype, pre-production and low, medium, and high volume requirements from USA and Asian manufacturers.
PCB Finishes    |    Fabrication Specs    |    Delivery, Build Lead Time and Shipping
Fabrication Specs

Board Dimensions

Max Panel Size

21" X 24"

Max Board Size

18" X 20"

Board Thickness Tolerance

+/- 10%

Max warp and twist

.75%

Max Rigid Board Thickness

.125"

Min Rigid Board Thickness

.012"

Min Flex Board Thickness

53 microns

Min Core Thickness

.005"

Copper Weight

Min Copper Weight

1/2 ounce per sq. ft.

Max Copper Weight

5 ounces per sq. ft.

Trace Width and Spacing Inner and outer layers

1/3 and 1/2 ounce

min .003'' line  .004" space

1 ounce

min .005" line  .005" space

2 ounce

min .005" line  .008" space

3 ounce

min .008" line  .010" space

4 ounce

min .010" line  .013" space

5 ounce

min .010" line  .018" space

Line width tolerance

the lesser of +/- 20% or +/- .002"

Hole and Pad

Min Drilled hole Dia.

.010"

Min Finished hole Dia.

.008"

HDI Capability: Laser Drill

Yes

Finished hole Dia. Tolerance

+/- .003"

Drilled hole location tolerance

+/- .003"

Min Copper thickness in PTH

.0008"

Max aspect ratio

8:1

Min annular ring

.005"

Innerlayer

Layer to layer registration

+/- .004"

Min dilectric thickness

.003"

Max layer count

16

Soldermask LPI

Soldermask registration tolerance

+/- .003"

Min trace to pad spacing

+/- .006"

Min soldermask dam

.004"

Min soldermask annular ring

.003"

LPI colors available

Green, Red, Blue, Black, and LED White

Via plugging

Yes

Silkscreen Legend

Min line width

.005"

Legend registration tolerance

+/- .006"

Serialization

Yes

Board Profile, Rout, Score, Chamfer

Min space between boards (rout)

.100"

Min. Edge to edge tolerance

.005"

V-Score thickness tolerance

"+/- .004"

V-Score Angles

30, 45, 60 degrees

Chamfer Angles

20, 30, 45 degrees

Electrical Test

Min test point width

.010"

Min test point pitch

.014"

Contact Info:
Cambridge America LLC
63-7 North Branford Road
Branford, CT 06405
Tel: (203) 483-9214
Fax: (203) 483-9315
sales@cambridgepcb.com
Copyright © 2009 Cambridge America. All Rights Reserved. Site photography & designed by Lam Photography.