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Epec's Blog | Electronics Manufacturing Solutions


How To Prevent Plating Voids And Solder Voids During PCB Manufacturing

Written by Angie Brown
Posted on June 28, 2022 at 8:53 AM

During the manufacturing of printed circuit boards (PCBs), a lot of attention is focused on how tools and processes are handled to avoid many common quality issues such as brittle joints, cold joints, and voids. Voids consist of an empty space somewhere along the PCB where not enough of a certain material was added. If the voiding issue is not addressed, then the entire PCB may need to be scrapped.

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PTFE vs FR4 PCB Laminate Materials - Cost and Performance Options

Written by Angie Brown
Posted on June 15, 2022 at 8:48 AM

Not all printed circuit board (PCB) materials are created equal. In fact, to say there is an equivalent for any is untrue. Although, they are all in line with each other for basic attributes and are close but not exact. These many different flavors are also not always available; some come with a steep cost, a high Minimum Order Quantity (MOQ,) and a long lead time.

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Via-in-Pad Plugging or Plated Process and the Effect on PCB Hole Sizes

Written by Jeff Forbus
Posted on June 1, 2022 at 9:13 AM

There are several reasons for the need to plug printed circuit board (PCB) holes. Some of the most commonly seen reasons include: properly tinting or covering the via with soldermask (isolation), to prevent entrapment (solder, chemistry, flux), to prevent solder starvation (wicking of solder in the hole/surface mount technology (SMT) placement directly on via), and for thermal or electrical purposes.

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Why High-Tech Multi-Layer PCB Features Add Cost and Process Time - Q&A

Written by Epec Engineered Technologies
Posted on May 24, 2022 at 2:01 PM

At the conclusion of our webinar, Why High-Tech Multi-Layer PCB Features Add Cost and Processing Time, we had several questions submitted to our presenter, Angie Brown, PCB Product Manager at Epec. We have compiled these questions into a readable format on our blog.

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Top 7 PCB Data Discrepancies and Issues for DFM and How to Avoid Them

Written by Jeff Forbus
Posted on May 16, 2022 at 9:13 AM

When it comes to manufacturing printed circuit boards (PCB), providing your PCB supplier with a clean data package can decrease cycle time and ensure requirements are clearly understood.

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PCB Breakaway Tabs: Reduce Remnant Materials and Improve Strength

Written by Angie Brown
Posted on May 3, 2022 at 9:41 AM

As the printed circuit board’s physical size became smaller in one or both directions, it quickly became an issue for both the raw PCB supplier and the contract manufacturer to manage the parts on certain equipment. Processes like routing, electrical test, and packaging added cost to production for either time or scrap. Fallout was an issue that recovery was not possible.

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Misinterpreting IPC-6012 Standards for Rigid Printed Circuit Boards

Written by Chris Perry
Posted on April 27, 2022 at 9:16 AM

The purpose of IPC specification is to provide requirements for qualification and performance of rigid printed circuit boards based on the following constructions and/or technologies. These requirements apply to the finished product unless otherwise specified.

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Printed Circuit Board Gerber Data and the Importance of Netlists

Written by Angie Brown
Posted on April 21, 2022 at 9:11 AM

When we look at where we are today vs. 1980 or earlier with technology, it is truly amazing. Just think about an appliance, for example, the household refrigerator/freezer. It used to be that you opened the door, looked inside, found what was needed, and closed it. I can hear my parents yelling, “shut the door,” like all the cold is coming out and everything will spoil. Settings were cold/coldest on a dial you turned.

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Scoring Printed Circuit Board: When You Can and Cannot Score a PCB

Written by Angie Brown
Posted on April 5, 2022 at 9:43 AM

Printed circuit board (PCB) production has used standard panel sizes, such as 18x24 inches, to produce multiple PCBs at the same time, along with several other panel standards. A panel containing single format PCBs typically would use routing as the method of removing the single pieces from the master size.

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PCB Manufacturing - Processing Without the Problem of Voids

Written by Angie Brown
Posted on January 10, 2022 at 10:12 AM

What is a void in the printed circuit board (PCB) world? A void is an un-plated area within the hole wall of the PCB drilled plated hole. Voids in hole barrels can be equally problematic in all types of PCBs. The number of layers contained within the PCB plays a part in the cost of the completed circuit board. The more layers within the card the more cost is added for manufacturing. However, a two-layer part can also be expensive to scrap.

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