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Epec's Blog | Electronics Manufacturing Solutions

PCB Mechanical Drilling vs. Laser - Aspect Ratios and Drill Sizing

Written by Angie Brown
Posted on June 29, 2021 at 9:12 AM

Printed circuit boards (PCBs) require holes to be drilled through or partially through laminate materials. These holes are used to create continuity between the top and bottom or to a mid-layer on the PCB. The holes allow traces, pads, and copper polygons to be connected throughout the different layers of the board.

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Common PCB Quality Issues and What to Inspect For

Written by Angie Brown
Posted on June 14, 2021 at 10:10 AM

As our world continues to evolve to an online buying market for everything for our homes, schools, and offices, you may have noticed in some cases, the quality is not exactly what you thought you saw and bought online. We have all had that men’s XL shirt we bought for dad’s birthday arrive only to fit our 7-10-year-old, or the gift for Christmas arriving in January. Is it cost vs. quality, convenience vs. going out shopping, or is it the ongoing COVID-19 situation?

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Circuit Board Material Tolerances that Affect Manufacturing

Written by Angie Brown
Posted on June 2, 2021 at 9:57 AM

Within the first few pages of IPC standard for printed circuit boards, there is a reference table 1-2 that is called “Default Requirements.” When reading the standard looking for some guidance, one may question “default” as part of a requirement. Often, when we receive circuit board production files there is not enough information from a manufacturing standpoint but certainly enough to quote.

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PCB Design & Layout: Checklist of What You Need Before You Start - Q&A

Written by Epec Engineered Technologies
Posted on May 25, 2021 at 8:49 AM

At the conclusion of our webinar, PCB Design & Layout - Checklist of What You Need Before You Start, 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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Understanding How Solder and Coatings Impact PCB Shelf Life

Written by Sherry Clowers
Posted on May 18, 2021 at 10:13 AM

Printed circuit boards (PCBs) may go through extreme wear-and-tear based on environmental factors. They may be placed in applications where there will be fluctuating temperatures, extreme heat, extreme cold, high humidity, salt water, and excessive moisture.

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Circuit Board Solder Mask - What to Use and What Not to Use

Written by Angie Brown
Posted on May 4, 2021 at 10:12 AM

Remembering back to grammar school and the standard 8-box of Crayola crayons and when they expanded to 16 or 32 colors, never mind 64. If you managed to get this box with the sharpener, you had it made. I love color; the more the better.

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IPC Class III vs. MIL Spec for Printed Circuit Boards

Written by Jeff Forbus
Posted on April 20, 2021 at 9:40 AM

When manufacturing printed circuit boards (PCBs), the boards will be classified into specific groups based on the level of quality. Any circuit board developed for IPC Class III has met the strictest requirements levels based on tight minimum tolerances and very high precision standards for mission-critical PCBs that can be used in industries such as aerospace, military, and medical applications. Reaching these specific standards ensures that the PCB will endure a long lifecycle, can withstand up to harsh environments, and will perform at an exceptional level without failure.

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Best Practices for Ordering Your High-Tech PCBs Online

Written by Angie Brown
Posted on April 6, 2021 at 9:39 AM

A common misconception for ordering PCBs online is that it can only be low technology/low quantities for prototypes, but that is not the case. At InstantPCBQuote™, we have the capabilities for you to order circuit boards up to 16-layer with high-temp materials, blind and buried vias, and with controlled impedance.

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How to Specify Dielectric Call-outs in Your PCB Design

Written by Jim Marsh
Posted on January 13, 2021 at 9:19 AM

As printed circuit boards (PCBs) progressed, requiring their functions to be more and more complex and diverse, the number of layers increased from 1-2 layers, up to 4-30 layers, with 4-12-layer boards being more typical.

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Circuit Board Guidelines: Copper Weight vs. Lines and Spacing

Written by Angie Brown
Posted on November 24, 2020 at 8:56 AM

When I think of the song, “Through the Years” by Kenny Rogers from 1981 (played at my high school graduation in 1982), I wouldn’t have imagined I would still be in the printed circuit board (PCB) industry. Yes, 1982! Wow. There are several nostalgic “things” about the time spent in the industry that still remind me of my hometown, family, friends, the U.S., my first real job doing something I had never heard of, hoping to make ends meet.

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