Technology Corner


Surface Finishes: Why do I need to know more?

The printed circuit board surface finish forms a critical interface between the component to be assembled and the bare PCB.

Download our Surface Finishes Presentation →


Wave Soldering Defects

Wave soldering is a large-scale soldering process by which electronic components are soldered to a printed circuit board (PCB) to form an electronic assembly.

Printed Circuit Board Wave Soldering Defects

Learn how to minimize Wave Soldering Defects →


Controlled Impedance: Why do I need to know more?

Every circuit on a PCB has impedance. The goal is to control the impedance.

Download our Controlled Impedance Presentation →


Minimum PCB Data/Information Requirements to Place Order

The purpose of this document is to describe the minimum data and information required by Epec Engineering to generate the tooling.

Read more about our PCB Data Requirements →

Epec's recommended V-Cut

Below is a diagram which describes the recommended dimensions for V-Cut.

Epec recommended V-Cut for Printed Circuit Boards

Click here to see the full size PDF →


RoHS FAQ

The following document was designed to answer some of the more common questions surrounding RoHS. However, if, after reading, you still have questions, please contact one of the knowledgeable members of our Engineering Team.

Read more about our RoHS Compliance and RoHS FAQ →

RoHS Compliant Product Manufacturer


Staining of Solder Mask

Learn some of the issues surrounding Solder Mask Staining as well as some of the causes and remedies.

Click below to view pictures of this particular board defect:

  • Staining of Solder Mask
  • Staining of Solder Mask
  • Staining of Solder Mask
  • Staining of Solder Mask
  • Staining of Solder Mask
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Learn more about Solder Mask Design Basics →

America's Oldest, A History of Innovation.  Learn More →
Our History

As the oldest production Printed Circuit Board Company in North America, perhaps in the world, the 60-year plus story of Epec is connected to the development of the PCB and the electronics industry.

From pioneering innovation in the PCB Industry with R & D, training and setting professional core values, the legacy of Epec has now passed to a new generation of very bright young people, but still continues the great tradition of imagination.

See our history timeline →



  • Epec Founded in 192
  • IPC Founded