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Epec's Blog | Electronics Manufacturing Solutions

Differences of Via in Pad Technology in Flex Circuits vs Rigid PCBs

Written by Paul Tome
Posted on March 5, 2019 at 10:52 AM

Many of today’s rigid-flex circuit designs utilize the same high-density components found in rigid PCB designs. This requires the use of blind and or buried vias to allow the signal lines to be routed out from within the high-density components or the high-density areas of the design. The most common component that we see driving this today is the 0.4mm pitch BGA package.

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Overview of the Shielded Cable Process

Written by Steven J Goodman
Posted on February 25, 2019 at 8:14 AM

We're all aware of the far-ranging uses and necessity for cables within electronics. With their widespread use and cables' inherent sensitivity to electromagnetic energy, the shielding methodology of a cable can be even more important than the conductor and jacket specifications.

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Defining Standard Wire Jacket Colors in Cables

Written by Steven J Goodman
Posted on February 20, 2019 at 10:31 AM

While it's true that The Institute of Electrical and Electronics Engineers (IEEE) has long issued a series of recommended standards for electrical and electronics design, those standards do not actually specify wiring color purposes in the way that a lot of people think they do. This is surprising given that those standards do contain extensive discussion on wiring and power cables.

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The Many Variations and Uses of Keypads

Written by Steven J Goodman
Posted on February 13, 2019 at 1:20 PM

If you were to ask 5 separate people to explain the definition of keypad, likely you would receive 5 completely different answers that all center around the same basic concept. According to Wikipedia a keypad is a set of buttons arranged in a block or "pad" which bear digits, symbols or alphabetical letters (source https://en.wikipedia.org/wiki/Keypad). While this definition is correct, when communicating to a potential user interface supplier the term keypad requires further elaboration.

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Consider the Cable: How to Improve Product Design with Big Picture Planning

Written by Steven J Goodman
Posted on February 6, 2019 at 10:36 AM

Look around at your desk, work station, or wherever you’re siting while reading this blog post. The odds are favorable there are multiple cables within reach right now!  It’s true, everyone needs and uses cables. Not just in one’s personal life, but also in the workplace, in industry, and even in combat.

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Substituting Cable Connectors to Match Form, Fit, and Function

Written by Steven J Goodman
Posted on January 28, 2019 at 12:01 PM

There remains a misconception that borders on a cultural stigma towards off-brand or knockoff items. Consider your favorite breakfast cereal at your local supermarket as you walk down an aisle lined with name brand cereals strewn with cartoon characters and slogans, you may notice a less expensive version of the same exact cereal a few shelves lower. These off-brand cereals likely taste the same, have identical ingredients, but cost about half as much. Admittedly, my children prefer the name brand cereals, but when replaced with an off-brand equivalent of Special Popcorn Cereal, if I don’t show them the box, they will never know the difference.

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Radiated Emissions Testing For Cable Assemblies

Written by Steven J Goodman
Posted on January 21, 2019 at 11:18 AM

Most test engineers agree that if you were to make a list of the major causes of compliance failures for most of the electronic products we use in our daily lives, radiated emissions (RE) would, undoubtedly, be right at the top.

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What is a PCB Netlist and Why do You Need It?

Written by Al Wright
Posted on January 16, 2019 at 8:40 AM

Nobody wants to experience the feeling of populating your new printed circuit board (PCB) design and finding out that it is not electrically functional. Most often, the lack of functionality is attributable to a specific production problem or a combination of several different problems. Sometimes, however, the problem is that the Gerber files exported from your PCB CAD program contained an error that went unnoticed because there was no way to verify that the files matched your design intent. You can avoid a good deal of trouble by supplying an IPC-356 format netlist file with your fabrication data package.

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Differential Paired Cables And When To Use Them

Written by Steven J Goodman
Posted on January 10, 2019 at 2:28 PM

In the world of electronics, oftentimes how a signal is being transmitted from a sender to a receiver is just as important as what is being transmitted in the first place. Certain applications call for incredibly high levels of reliability and resistance to outside electrical interference, so more "traditional" or "common" cables just won't do.

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Overcoming Tariffs By Strengthening Manufacturing Infrastructure

Written by Ed McMahon
Posted on December 17, 2018 at 2:29 PM

It's never a great sign of the times when you wake up every day and know you need to check the news before starting work to see what the newest challenges are you're going to have to deal with. Unfortunately, this trend became standard practice within our industry in 2018. Typically, most companies spend their time and money trying to find new ways to speed up service or new products to help their customers. But for most of this past year, it was about working closely with your customers on their existing business to minimize damage from all the new costs that were quickly being added to our industry.

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