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Epec's Blog | Electronics Manufacturing Solutions


Membrane Switch Material for Sterilization and Autoclave Application

Written by Steven J Goodman
Posted on July 29, 2021 at 9:13 AM

Specific to medical devices, handheld electronics, rack-mounted equipment, and other instrumentation utilize membrane switches as a low-cost and high-reliability solution for keypad and button technologies. There are countless button and switch options available for the plethora of design requirements that exist. Medical professionals use these buttons as the primary way to interface and operate the device.

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How Flexible PCB Material Selection Affects Lead Times

Written by Paul Tome
Posted on July 21, 2021 at 10:10 AM

There are a very wide variety of materials available to construct a flexible circuit. The materials range from different types of copper, copper thicknesses, core/coverlay and adhesive thicknesses, adhesive types, stiffener types and thicknesses, PSAs, shielding films, flexible soldermask colors, etc. Inadvertently specifying unique or non-standard materials can result in significant delivery delays as they may not be standard stock at either the manufacturer or the supplier.

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Understanding Battery Power Requirements Before Development Starts

Written by Anton Beck
Posted on July 13, 2021 at 10:18 AM

Battery power requirements involve many factors. Beyond having enough power to run the application, customers also take into consideration battery capacity, charging/discharging rates, and environmental conditions that could impact the battery's functions. Before the battery packs development starts, there are other aspects about the power requirements that need to be evaluated. These aspects may impact the size of the battery, if there are any logistical restrictions that come into play and what types of certifications are required.

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Benefits of Using Air Gap Rigid-Flex PCB Constructions

Written by Paul Tome
Posted on July 8, 2021 at 10:44 AM

Advancing technology has impacted rigid-flex PCB designs in the same manner as rigid printed circuit boards. Increasing interconnect requirements and smaller form factors require higher circuit densities and increased layer counts. The impact of these elements on rigid-flex circuit designs is potential reliability issues both electrically and mechanically.

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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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Prototypes to Production: Can Your Cable Assembly Supplier Keep Pace?

Written by Steven J Goodman
Posted on June 22, 2021 at 9:10 AM

Emerging from the COVID-19 pandemic has been especially challenging for many electronics manufacturers. As the world’s production flood gates opened, deliveries that were on hold for the past year are now being asked to be rushed and pulled ahead.

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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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Why DOT/UN 38.3 is Required for Lithium Batteries

Written by Anton Beck
Posted on June 8, 2021 at 9:33 AM

Applications with high-power needs and complex systems may use lithium batteries to operate. Lithium batteries can pack a high-energy density into smaller pack sizes, making them lightweight and small enough to be used in common everyday products such as cell phones, laptops, tablets, and hoverboards. However, the battery's chemistry can create safety hazards when not being constantly monitored.

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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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Best Mechanisms to Control Flexible Heater Temperatures

Written by Chris Perry
Posted on May 27, 2021 at 10:11 AM

Flexible heaters made from silicon and polyimide materials are designed to provide heating features to a wide range of applications. Their flexibility allows the heaters to wrap around odd-shaped surfaces when used inside or outside products. The flexibility of the heater is to provide enough heat for the intended application at the specific area without interfering with its functions.

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