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San Francisco Circuits - Custom PCB Manufacturing & Assembly

Hello Robot-Humans,

It's a pleasure to have joined your very fun community.

I hope we can help with some of you that may have needs for custom circuit boards, either for your personal or professional needs.

We're located in San Mateo, California and have been providing PCB manufacturing and PCB assembly services to our customers since 2005.

So, let's talk about our company - San Francisco Circuits

You can click on the banner below to visit our website.

 

About SFCircuits

We are a provider of custom printed circuit boards, working with a large network of PCB manufacturers to bring complex layouts and concepts into reality.

Our capabilities are quite extensive and can be found below.

We have a unique resource section of our website with free information, PDFs and articles on various circuit board topics. We call this section PCB School. Visit it by clicking the image below:

Some of the technologies we are capable of include flex, rigid flex, metal core, military spec, HDI PCB, lead free and more. We can supply prototype and production quantities.

Give us a call at 1-800-SFC-5143 or email sales [at] sfcircuits [dot] com for a free consultation and quote.

Specifications

Standard Technology

Advanced Technology

Number of Layers

1 - 12

14 - 40

Board Material

FR4

FR406

IS410

Kapton

Shin-Etsu - Epoxy
Adhesive System

Rogers - Epoxy
Adhesive System

Dupont FR - FR Acrylic
Adhesive System

Dupont LF - LF Acrylic
Adhesive System

Adhesiveless Base Materials

 

Aluminum Core

Arlon

CEM

Copper Core

FR408

Getek

Nelco 4000
Rogers 3000
Rogers 4000
Rogers 5000

Taconic TLY

Polyimide

Minimum Board Thickness

2 layer - 0.010"

4 layer - 0.020"

6 layer - 0.020"

8 layer - 0.062"

10 layer - 0.062"

12 layer - 0.062"

2 layer - 0.005"

4 layer - 0.010"

6 layer - 0.031"

8 layer - 0.040"

 

Maximum Board Thickness

2 layer - 0.125"

3-12 layer - 0.200"

0.250" - 0.500"

Maximum Board Size

16" x 22"

12" x 21"

22" x 28"

10" x 16"

16" x 22"

12" x 21"

22" x 28"

Copper Thickness

0.5 oz - 3 oz 

4 oz - 6 oz

Hole Aspect Ratio

7 : 1

15 : 1

Minimum Hole Size

0.008"

0.006"

Minimum Trace/Space

0.006"/0.006"

0.003"/0.003"

Minimum

Drill-to-Copper

0.010"

0.003"

Minimum Pitch

1 mm

0.3 mm

Final Finish

HASL (Solder)

Lead Free Solder

Copper

Gold

Gold Fingers

White Tin

OSP

HASL

Gold (ENIG/Hard/Soft)

Selective Gold

Immersion Silver

OSP

White Tin

Solder Mask

 

 

 

 

 

 

 

 

 

 

Coverlay

LPI:

Green

Black

Red

Blue

Yellow

White

Clear

 

 

 

FR Coverlay

LF Coverlay

Shin-Etsu

Flexible Soldermask

LPI:

Green

Black

Red

Blue

Yellow

White

Clear

Mix-and-match

Wet Mask

Dry Film

Silk Screen

White

Black

Yellow

White

Black

Yellow

Green

Red

Blue

PCB Fabrication

Scoring

Route & Retain

Jump Scoring

Route & Retain

Milling

Additional Features

Plated Slots

Non-plated Slots

Controlled Dielectric

Covered Vias

Counter Sinks

Counter Bores

Dual Access Flex

Suspended Leads

Plated Edges

Plated Milling

Plated Counter Bores & Counter Sinks

Edge Castellation

Controlled Impedance

Silver Filled Vias

Non-Conductive Filled Vias

 

Quality Standards

IPC 6012 Class 2

Electrical Testing

100% Netlist Testing

TDR Testing

Milspec 31032

Milspec 55110

Milspec 50884

IPC 6012 Class 3

100% Netlist Testing

TDR Testing