Rigid PCB Capabilities | Sierra Circuits

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Transform your PCB manufacturing experience with Sierra Circuits, your trusted partner for top-notch rigid PCBs. Whether you require a straightforward single-layer circuit board with rapid delivery or a sophisticated 30-layer mil-spec PCB featuring exotic metals, we have you covered. Sierra Circuits is your go-to solution for an instant quote and swift manufacturing, with the capability to deliver your boards in as little as 24 hours.

Manufactured in Silicon Valley
On-site inventory of the finest materials
Up to 30 layers
1-day turn-times available
Component procurement
PCB assembly

What sets Sierra Circuits apart is our commitment to excellence. All our PCBs are manufactured in Silicon Valley, ensuring proximity to cutting-edge technology and materials. Our on-site inventory boasts the finest materials, allowing us to meet your requirements for up to 30 layers of precision and complexity. Experience the advantage of a 1-day turn-time for your projects, providing unmatched speed without compromising quality.

A reliable partner for your manufacturing needs

With Sierra Circuits, you’re not just getting circuit boards; you’re gaining a reliable partner for your manufacturing needs. We prioritize customer satisfaction and aim to exceed expectations at every step. Our experienced team is ready to collaborate with you, ensuring that your rigid PCBs meet the highest standards of quality and reliability.

Whether you’re a seasoned professional or a newcomer to the world of PCBs, Sierra Circuits is here to simplify the manufacturing process. Our user-friendly quote system streamlines the initial steps, providing you with the information you need promptly. Trust Sierra Circuits for your rigid board needs and experience the convenience, speed, and precision that sets us apart in the industry.

Sierra Circuits supports IPC-2581.

IPC-2581 stands as a cornerstone standard in the manufacturing of your rigid PCBs, transforming the dynamics of design data exchange. Its open, vendor-neutral format enhances communication efficiency, providing a comprehensive platform for sharing crucial details like layer stack-up and drill specifications. Embracing IPC-2581 not only fosters superior collaboration but also minimizes errors during data transfer, ultimately elevating the precision and reliability of the entire fabrication process.

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Product Promise

Sierra Circuits manufactures and assembles your rigid PCBs with full intellectual property protection.

PCB highlights:

Up to 30 layers
Board thickness: .005″ – .250″
Max panel size: 21″ x 29″
Min trace and space: .002″
Solder mask feature tolerance: .001″
Blind and buried vias

Fabrication highlights:

Routed arrays
Edge plating
Bevels
Heat sinks

PCB classifications:

IPC 6012, class 1, 2 and 3
MIL-PRF-55110
MIL-PRF-31032/1
MIL-PRF-31032/2

Quality management systems:

AS9100D
ISO 9001:2015
ISO 13485:2016

Board parameters for rigid PCBs
	STANDARD	ADVANCED	MICRO
Min Layer Count	1	1	1
Max Layer Count	30	30	30
Min Board Thickness	.010” (.254 mm)	.005” (.127 mm)	.005” (.127 mm)
Max Board Thickness	.250” (6.35 mm)	.250” (6.35 mm)	.250” (6.35 mm)
Min Core Thickness	.004” (.102 mm)	.002” (.051 mm)	.002” (.051 mm)
Min Dielectric	.004” (.102 mm)	.003” (.076 mm)	.002″ (.051 mm)
Min Starting Copper Foil Weight	9 microns	9 microns	5 micron
Max Finished Copper Thickness (O/L)	4 oz (118 ml)	6 oz (177 ml)	1 oz (30 ml)
Max Finished Copper Thickness (I/L)	4 oz (118 ml)	4 oz (118 ml)	0.5 oz (15 ml)
Min Panel Size	12” x 18” (30 x 46 cm)	12” x 18” (30 x 46 cm)	12″ x 18″ (30 x 46 cm)
Max Panel Size	12” x 18” (30 x 46 cm)	21” x 29” (53 x 74 cm)	18″ x 24″ (46 x 61 cm)
Smallest Mechanical Drill Diameter	.0059” (.150 mm)	.0059” (.150 mm)	.0059″ (.150 mm)
Smallest Laser Drill Diameter	.005″ (.127 mm)	.004″ (.102 mm)	.004″ (.102 mm)
Min Finished Hole Size	.004” (.102 mm)	.002” (.051 mm)	.002″ (.051 mm)
Max Through Hole Aspect Ratio (depending on board thickness and finish hole)	10:1	10:1	> 10:1
Max Laser Via Aspect Ratio	.75:1	.75:1	.75:1
Blind Via Finished Hole Size	.004” (.102 mm)	Plated Shut	Plated shut
Buried Via Finished Hole Size	.004” (.102 mm)	.002” (.051 mm)	.002″ (.051 mm)
Min Trace and Space	.004” (.102 mm)	.003” (.076 mm)	.002″ (.051 mm)
Min Pad Size for Test	.005” (.127 mm)	.005” (.127 mm)	.005″ (.127 mm)
Process Pad Diameter	D + .012” (.305 mm) (1-mil (.025-mm) annular ring)	D + .008” (.203 mm) (tangency)	D + .008” (.203 mm) (tangency)
Stacked Vias	Yes	Yes	Yes
Min Wire Bond Pad Size	> .006” (.152 mm)	.004” (.102 mm)	.004″ (.102 mm)
Controlled Impedance Tolerance	10%	5%	5%
Solder Mask Registration	.002” (.051 mm)	.001” (.025 mm)	.001″ (.025 mm)
Solder Mask Feature Tolerance	.0015” (.038 mm)	.001” (.025 mm)	.001” (.025 mm)
Solder Mask Min Dam Size (based on green soldermask color)	.005” (.127 mm)	.004” (.102 mm)	.004″ (.102 mm)
Min Diameter Route Cutter Available	.024” (.610 mm)	.021” (.533 mm)	.021″ (.533 mm)
Routed Part Size Tolerance	.005” (.127 mm)	.003” (.076 mm)	.003″ (.076 mm)
Laser Hole Location Tolerance	.0005” (.013 mm)	.0005” (.013 mm)	.0005″ (.013 mm)
Laser Routed Part Size Tolerance ( can only be done with panels < .032” thick)	.002” (.051 mm)	.002” (.051 mm)	.001″ (.025 mm)
Bow and Twist Tolerance	Per IPC spec	Per IPC spec	Per IPC spec
Thickness Tolerance (based on board thickness)	10%	5%	5%
Sequential Laminations	3 or less lamination cycles	4 lamination cycles	5 lamination cycles
Buried Vias	Yes	Yes	Yes
Blind Vias	Yes	Yes	Yes
Conductive Filled Vias	Yes	Yes	Yes – Cu plate shut
Non Conductive Filled Vias	Yes	Yes	Yes

Surface finish parameters for rigid PCBs
	STANDARD	ADVANCED	MICRO
HASL (Vertical or Horizontal)	Yes	Yes	No
Lead Free HASL	Yes	Yes	No
OSP (Shikoku F2)	Yes	Yes	Yes
OSP (Entek)	Yes	Yes	Yes
ENIG (Electroless Nickel/Immersion Gold)	Yes	Yes	Yes
Immersion Silver	Yes	Yes	No
Electrolytic Soft Gold	Yes	Yes	Yes
Electrolytic Hard Gold	Yes	Yes	Yes
Selective Gold	Yes	Yes	Yes

Solder mask finish parameters for rigid PCBs
	STANDARD	ADVANCED	MICRO
Semi – Glossy	Yes	Yes	Yes
Glossy	Yes	Yes	Yes
Matte	Yes	Yes	Yes

Solder mask color parameters for rigid PCBs
	STANDARD	ADVANCED	MICRO
Green	Yes	Yes	Yes
Black	Yes	Yes	Yes
Red	Yes	Yes	Yes
Blue	Yes	Yes	Yes
Yellow	Yes	No	No
White	Yes	No	No
Clear	Yes	Yes	Yes
Bright White	Yes	No	No
Purple	Yes	No	No

Legend mask parameters for rigid PCBs
	STANDARD	ADVANCED	MICRO
All Colors	Yes	Yes	Yes

Mechanical parameters for rigid PCBs
	STANDARD	ADVANCED	MICRO
Routed Array	Yes	Yes	Yes
V Score, Edge to Copper	.01”	.007” (.178 mm)	.007″ (.178 mm)
V Score Angles	35°, 45°, 60°	35°, 45°, 60°	35°, 45°, 60°
Countersink	Yes	Yes	Yes
Counterbore	Yes	Yes	Yes
Bevel	Yes	Yes	Yes
Milling	+/- .003” (.076 mm)	+/- .002” (.051 mm)	+/- .001” (.025 mm)
Edge Castellation	Yes	Yes	Yes
Edge Plating	Yes	Yes	Yes
Heatsinks	No	Yes	No

Electrical testing for rigid PCBs
	STANDARD	ADVANCED	MICRO
10 Volt	Yes	Yes	Yes
40 Volt (Burn-In Boards)	Yes	Yes	Yes
250 Volt	No	Yes	Yes
500 Volt	No	Yes	Yes
Hi Pot	No	Yes	Yes

Laminate material parameters for rigid PCBs
	STANDARD	ADVANCED	MICRO
Arlon 85NT	No	Yes	No
Bergquist	No	Yes	No
Flexible Polyimide	No	Yes	Yes
Hybrid Constructions	Yes	Yes	Yes
Isola 370HR	Yes	Yes	Yes
Isola FR406	Yes	Yes	Yes
Isola FR408 HR	Yes	Yes	Yes
Isola P95	Yes	Yes	Yes
Isola P96	Yes	Yes	Yes
Iteq IT180	Yes	Yes	Yes
Nelco BT N5000	Yes	Yes	Yes
Nelco N4000-13	Yes	Yes	Yes
Nelco N4000-29	Yes	Yes	No
Nelco N7000-2	Yes	Yes	Yes
No Flow Prepreg	Yes	Yes	Yes
Panasonic Megtron	Yes	Yes	Yes
Panasonic R1755	Yes	Yes	No
Panasonic R1766	Yes	Yes	Yes
Polyclad Getek	Yes	Yes	Yes
PSA Bond Film	No	Yes	Yes
Rogers 3000 Series	Yes	Yes	No
Rogers R4000 Series	Yes	Yes	No
Rogers 5000 Series	Yes	Yes	No
Rogers 6000 Series	Yes	Yes	No
Rogers TMM	Yes	Yes	No
Ventec VT47	Yes	No	No

Available reports for rigid PCBs
	STANDARD	ADVANCED	MICRO
Microsection	Yes	Yes	Yes
Solderability	Yes	Yes	Yes
X-Ray Fluorescence	Yes	Yes	Yes
Ionic Contamination	Yes	Yes	Yes
Time Domain Reflectometry Test (TDR)	Yes	Yes	Yes
FAI	Yes	Yes	Yes
Certificate of Compliance	Yes	Yes	Yes

UL certifications for rigid PCBs
	STANDARD	ADVANCED	MICRO
94VO	Yes	Yes	No

PCB certifications for rigid PCBs
	STANDARD	ADVANCED	MICRO
MIL-PRF-55110	Yes	No	No
MIL-PRF-31032/1	Yes	No	No
MIL-PRF-31032/2	Yes	No	No
IPC 6012, Class 1, 2 and 3	Yes	Yes	Yes
ISO 9001:2015	Yes	Yes	Yes
ISO 13485:2016	Yes	Yes	Yes

Trusted by innovators

Engineers at the world’s most innovative companies choose Sierra Circuits for the highest quality rigid PCB manufacturing and assembly, right here in the USA.

Start a Custom Quoteand Get to Market Faster

Sierra Circuits engineers and technicians have the experience to bring your rigid PCBs to life.

Whether you need a high-volume advanced PCB run or a low-volume quick turn PCB run, there’s a reason Sierra Circuits leads the industry in quality and performance. Our engineers and technicians manufacture and assemble the most reliable PCBs, right here in the United States.

Ideal for:

PCB designers and electrical engineers building prototypes or bringing products to market
Contract manufacturers who need fast, predictable lead times
Purchasing teams who require pricing and supply-chain transparency
Tinkerers, hobbyists, and builders developing IoT home automation devices

Full turnkey boards available:

PCB fabrication
Component procurement
In-house assembly

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Let us introduce you to one of the most innovative communities of engineers and designers in the world.

We can help you plan your project from design to assembled board.

Manufacturing Equipment at Sierra Circuits

Our 70,000 sqft state-of-the-art campus in the heart of Silicon Valley contains the most advanced equipment required for the manufacture and assembly of your PCBs. Whether you’re looking for standard quick turn PCBs or boards with the tightest tolerances, made from exotic metals, there’s a reason Sierra Circuits leads the industry in quality and performance.

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