--- title: Epec's Blog | Product Design (8) description: Product Design | A manufacturing blog focusing on posts about customized product solutions that are beneficial to engineers or anyone in the electronics industry. (8) --- [![Epec Engineered Technologies](https://www.epectec.com/images/logo.png "Epec Engineered Technologies")](https://www.epectec.com/) [![Epec Engineered Technologies](https://www.epectec.com/images/logo.png "Epec Engineered Technologies")](https://www.epectec.com/) - [Articles](https://www.epectec.com/articles/) - [Blog](https://blog.epectec.com/) - [Webinars](https://www.epectec.com/webinar/) - [Videos](https://www.epectec.com/videos/) - [Case Studies](https://www.epectec.com/case-studies/) - [News & Events](https://www.epectec.com/news/) - [Customer Portal](https://system.netsuite.com/c.406760/site/NSlogin.html) - [About](https://www.epectec.com/about/overview/) - Back - [Company Overview](https://www.epectec.com/about/overview/) - [Our History](https://www.epectec.com/about/our-history/) - [Culture](https://www.epectec.com/about/culture/) - [Industries Served](https://www.epectec.com/about/industry/) - [Acquisitions](https://www.epectec.com/about/acquisitions.html) - [Operations](https://www.epectec.com/operations/) - Back - [Operational Excellence](https://www.epectec.com/operations/) - [Quality Philosophy](https://www.epectec.com/operations/quality-philosophy.html) - [Quality Assurance Process](https://www.epectec.com/operations/quality-assurance-process.html) - [Global Operations](https://www.epectec.com/operations/global-operations.html) - [Logistics & Supply Chain](https://www.epectec.com/operations/logistics-and-supply-chain.html) - [Inventory Stocking](https://www.epectec.com/operations/inventory-stocking.html) - [Approvals](https://www.epectec.com/operations/approvals.html) - [ITAR Registered](https://www.epectec.com/operations/itar-registered.html) - [Engineering](https://www.epectec.com/engineering/overview/) - Back - [Engineering Overview](https://www.epectec.com/engineering/overview/) - [Engineering Support](https://www.epectec.com/engineering/support/) - [Design Services](https://www.epectec.com/engineering/design-services/) - [EpecDFx™](https://www.epectec.com/engineering/epecdfx/) - [Free DFM File Check](https://www.epectec.com/engineering/free-dfm.html) - [PCB Impedance Calculator](https://www.epectec.com/engineering/impedance-calculator.html) - [Products](https://www.epectec.com/products/) - Back - [Overview](https://www.epectec.com/products/) - [Battery Packs](https://www.epectec.com/batteries/) - [Flex & Rigid-Flex PCBS](https://www.epectec.com/flex/) - [Cable Assemblies](https://www.epectec.com/cable-assemblies/) - [Printed Circuit Boards](https://www.epectec.com/pcb/) - [CNC Machining](https://www.epectec.com/cnc-machining/) - [User Interfaces](https://www.epectec.com/user-interfaces/) - [Flexible Heaters](https://www.epectec.com/flexible-heaters/) - [EC Fans & Motors](https://www.epectec.com/fans-motors/) [Battery Packs![Custom Battery Packs](https://www.epectec.com/images/new-nav/flyout-battery-packs.png "Batteries and Custom Battery Packs")](https://www.epectec.com/batteries/) --- [CNC Machining![CNC Machining](https://www.epectec.com/images/new-nav/flyout-cnc-machining.png "CNC Machining")](https://www.epectec.com/cnc-machining/) [Flex & Rigid-Flex PCBs![Flex and Rigid-Flex Circuits](https://www.epectec.com/images/new-nav/flyout-flex-and-rigid-flex.png "Flex and Rigid-Flex Circuits")](https://www.epectec.com/flex/) --- [User Interfaces![User Interfaces](https://www.epectec.com/images/new-nav/flyout-user-interfaces2.png "User Interfaces Product Solutions")](https://www.epectec.com/user-interfaces/) [Cable Assemblies![Cable Assemblies](https://www.epectec.com/images/new-nav/flyout-cable-assemblies.png "Cable Assemblies")](https://www.epectec.com/cable-assemblies/) --- [Flexible Heaters![Flexible Heaters](https://www.epectec.com/images/new-nav/flyout-flexible-heaters.png "Flexible Heaters")](https://www.epectec.com/flexible-heaters/) [Printed Circuit Boards![Printed Circuit Boards](https://www.epectec.com/images/new-nav/flyout-printed-circuit-boards2.png "Printed Circuit Boards")](https://www.epectec.com/pcb/) --- [EC Fans & Motors![EC Fans and Motors](https://www.epectec.com/images/new-nav/flyout-fans-and-motors.png "EC Fans and Motors")](https://www.epectec.com/fans-motors/) - [Design Guides](https://www.epectec.com/guides/) - [Design Guides](https://www.epectec.com/guides/) - Back - Resources - Back - [Articles](https://www.epectec.com/articles/) - [Blog](https://blog.epectec.com/) - [Webinars](https://www.epectec.com/webinar/) - [Videos](https://www.epectec.com/videos/) - [Case Studies](https://www.epectec.com/case-studies/) - [News & Events](https://www.epectec.com/news/) - [Customer Portal](https://system.netsuite.com/c.406760/site/NSlogin.html) - [Contact Us](https://www.epectec.com/contact/) - Back - [Contact Information](https://www.epectec.com/contact/) - [Our Sales Team](https://www.epectec.com/contact/our-sales-team.html) - [Office Locations](https://www.epectec.com/contact/office-locations.html) - [Career Opportunities](https://www.epectec.com/contact/career-opportunities.html) - [InstantPCB*Quote*™](https://www.epectec.com/instantpcbquote/) - Back - [Overview](https://www.epectec.com/instantpcbquote/) - [Login](https://secure.epecpcb.com/epec/) - [Register](https://secure.epecpcb.com/epec/index2.jsp) [![](https://www.epectec.com/images/InstantPCBQuote-logo.png)](https://www.epectec.com/instantpcbquote/) [Login](https://secure.epecpcb.com/epec/) [Register](https://secure.epecpcb.com/epec/index2.jsp) Register to Quote and Order Your PCBs Fast, Easy & Online, 24/7 - [Home](https://www.epectec.com/) - [Blog](https://blog.epectec.com/) Share This Page: [LinkedIn](https://blog.epectec.com/#linkedin) [X](https://blog.epectec.com/#x) [Facebook](https://blog.epectec.com/#facebook) [Email](https://blog.epectec.com/#email) # Epec's Blog | Electronics Manufacturing Solutions --- ## [Understanding Voltage Requirements of a Custom Battery Pack](https://blog.epectec.com/understanding-voltage-requirements-of-a-custom-battery-pack) [![Voltage testing during battery pack manufacturing](https://blog.epectec.com/hubfs/voltage-testing-during-battery-pack-manufacturing.jpg "Voltage testing during battery pack manufacturing")](https://blog.epectec.com/understanding-voltage-requirements-of-a-custom-battery-pack) Written by [Anton Beck](https://blog.epectec.com/author/anton-beck) Posted on February 16, 2022 at 9:59 AM - [Tweet](https://twitter.com/share) Designing a [custom battery pack](https://www.epectec.com/batteries/) for your application requires figuring out the power specifications. Yet there are several other considerations that dictate the type of battery chemistry to use. In addition to the current, capacity (amp-hours), size requirements, cell configuration, and the number of cells for the battery pack within the application, the voltage must also be determined. [Read More](https://blog.epectec.com/understanding-voltage-requirements-of-a-custom-battery-pack) --- ## [Differences Between Solid Modeling and Surface Modeling](https://blog.epectec.com/differences-between-solid-modeling-and-surface-modeling) [![Finished Part](https://blog.epectec.com/hubfs/blog/finished-part.jpg "Finished Part")](https://blog.epectec.com/differences-between-solid-modeling-and-surface-modeling) Written by [Epec Engineered Technologies](https://blog.epectec.com/author/epec-engineered-technologies) Posted on January 26, 2022 at 9:23 AM - [Tweet](https://twitter.com/share) Solid modeling is the process of constructing a 3D model through a series of additive and subtractive operations while always maintaining a calculable volume. Surface modeling is the process of constructing a 3D model through the process of defining each of the faces that are present in its geometry. [Read More](https://blog.epectec.com/differences-between-solid-modeling-and-surface-modeling) --- ## [Lithium-Ion vs Lithium Iron Phosphate: What Markets They Support](https://blog.epectec.com/lithium-ion-vs-lithium-iron-phosphate-what-markets-they-support) [![Lithium Ion vs Lithium Iron Phosphate](https://blog.epectec.com/hubfs/lithium-ion-vs-lithium-iron-phosphate.jpg "Lithium Ion vs Lithium Iron Phosphate")](https://blog.epectec.com/lithium-ion-vs-lithium-iron-phosphate-what-markets-they-support) Written by [Anton Beck](https://blog.epectec.com/author/anton-beck) Posted on January 5, 2022 at 10:26 AM - [Tweet](https://twitter.com/share) Lithium-ion and lithium iron phosphate (LiFePO4) are the two most widely used lithium-based chemistries in [custom battery packs](https://www.epectec.com/batteries/) for portable devices and high-power applications. Lithium-ion delivers higher energy density for compact, high-speed electronics, while LiFePO4 emphasizes safety, thermal stability, and extended cycle life. Selecting the correct chemistry directly impacts performance, lifecycle, safety requirements, and regulatory compliance. [Read More](https://blog.epectec.com/lithium-ion-vs-lithium-iron-phosphate-what-markets-they-support) --- ## [SolidWorks Design: How to Approach Editing Other People’s Work](https://blog.epectec.com/solidworks-design-how-to-approach-editing-other-peoples-work) [![Example of failing features caused by trying to update the part](https://blog.epectec.com/hubfs/part-with-failing-features-from-update.jpg "Example of failing features caused by trying to update the part")](https://blog.epectec.com/solidworks-design-how-to-approach-editing-other-peoples-work) Written by [Epec Engineered Technologies](https://blog.epectec.com/author/epec-engineered-technologies) Posted on December 22, 2021 at 10:21 AM - [Tweet](https://twitter.com/share) Although there are best practices when it comes to 3D modeling, every designer ends up developing their own style of modeling. This can cause challenges when you are tasked with working with someone else’s model. It can become frustrating when you go to make an edit that causes other parts of the model to change or fail entirely. [Read More](https://blog.epectec.com/solidworks-design-how-to-approach-editing-other-peoples-work) --- ## [PCB Vias: Understanding the Design of Microvias](https://blog.epectec.com/pcb-vias-understanding-the-design-of-microvias) [![Copper Plated Shut Mechanical Depth Drilled Microvia](https://blog.epectec.com/hubfs/copper-plated-shut-mechanical-depth-drilled-microvia.jpg "Copper Plated Shut Mechanical Depth Drilled Microvia")](https://blog.epectec.com/pcb-vias-understanding-the-design-of-microvias) Written by [Jeff Forbus](https://blog.epectec.com/author/jeff-forbus) Posted on December 7, 2021 at 10:41 AM - [Tweet](https://twitter.com/share) [Printed circuit boards (PCBs)](https://www.epectec.com/pcb/) are the heart of electronic products as they provide the conductive pathway for all the electronic components to connect and function together. As electronics become more advanced and complex, PCBs are having multiple layers sandwiched together to establish all the necessary connections. [Read More](https://blog.epectec.com/pcb-vias-understanding-the-design-of-microvias) --- ## [Using a High Flexibility Silicone Wire and PTFE Wire Design](https://blog.epectec.com/using-a-high-flexibility-silicone-wire-and-ptfe-wire-design) [![Four pin cable connector on PCB](https://blog.epectec.com/hubfs/four-pin-cable-connector-on-pcb.jpg "Four pin cable connector on PCB")](https://blog.epectec.com/using-a-high-flexibility-silicone-wire-and-ptfe-wire-design) Written by [Steven J Goodman](https://blog.epectec.com/author/steven-j-goodman) Posted on November 18, 2021 at 10:48 AM - [Tweet](https://twitter.com/share) There are several reasons to choose silicone or PolyTetraFluoroEthylene (PTFE) jacketed cable when designing a [custom wire harness](https://www.epectec.com/cable-assemblies/wire-harnesses.html). Both jacket constructions are known for their high-temperature resilience and extreme flexibility. The main difficulty of selecting a PTFE is the fact that they can be a bit hard to come by. [Read More](https://blog.epectec.com/using-a-high-flexibility-silicone-wire-and-ptfe-wire-design) --- ## [Flexible Heater Design: Watt Density, Input Power, and Heater Size](https://blog.epectec.com/flexible-heater-design-watt-density-input-power-and-heater-size) [![Various Size Silicone and Polyimide Flexible Heaters](https://blog.epectec.com/hubfs/blog/various-size-silicone-and-polyimide-flexible-heaters.jpg "Various Size Silicone and Polyimide Flexible Heaters")](https://blog.epectec.com/flexible-heater-design-watt-density-input-power-and-heater-size) Written by [Epec Engineered Technologies](https://blog.epectec.com/author/epec-engineered-technologies) Posted on November 5, 2021 at 11:06 AM - [Tweet](https://twitter.com/share) [Flexible heaters](https://www.epectec.com/flexible-heaters/) allow customers to apply heat at targeted areas at any given moment. This procedure is desired for applications for a variety of reasons, such as preventing condensation to form on instrument panels, keeping the consistency of semi-fluid materials so that they may pass through pipe systems, or keeping systems warm during extreme environmental temperatures. [Read More](https://blog.epectec.com/flexible-heater-design-watt-density-input-power-and-heater-size) --- ## [User Interface Design with Biocompatible Silicone Elastomer](https://blog.epectec.com/user-interface-design-with-biocompatible-silicone-elastomer) [![Silicone elastomer keypad with overlay](https://blog.epectec.com/hubfs/blog/silicone-elastomer-keypad-with-overlay.jpg "Silicone elastomer keypad with overlay")](https://blog.epectec.com/user-interface-design-with-biocompatible-silicone-elastomer) Written by [Steven J Goodman](https://blog.epectec.com/author/steven-j-goodman) Posted on November 2, 2021 at 11:04 AM - [Tweet](https://twitter.com/share) Silicone is one of the most common materials used for elastomeric technologies today. Silicone elastomer is utilized across numerous industries and applications, from o-rings to [cable jacketing](https://blog.epectec.com/why-use-a-jacketed-cable-in-your-assembly), to cookware, to even your child’s fidget toy, silicone elastomer is chosen for its exceptional mechanical properties and low reactivity. [Read More](https://blog.epectec.com/user-interface-design-with-biocompatible-silicone-elastomer) --- ## [Flex Circuit Board Design Considerations for Dome Switch Applications](https://blog.epectec.com/flex-circuit-board-design-considerations-for-dome-switch-applications) [![Flexible PCB designed for a user interface using domed switches](https://blog.epectec.com/hubfs/blog/user-interface-with-dome-switches-on-flexible-pcb.jpg "Flexible PCB designed for a user interface using domed switches")](https://blog.epectec.com/flex-circuit-board-design-considerations-for-dome-switch-applications) Written by [Paul Tome](https://blog.epectec.com/author/paul-tome) Posted on October 28, 2021 at 9:13 AM - [Tweet](https://twitter.com/share) Dome switches are a very popular solution for use as a momentary switch. They are a good solution that provides tactile feedback that the switch has been depressed and an event registered. Many applications require a dome switch mounted to a [flexible circuit board](https://www.epectec.com/flex/). [Read More](https://blog.epectec.com/flex-circuit-board-design-considerations-for-dome-switch-applications) --- ## [Incorporating PCBs and LEDs into an Outdoor Overmolded Cable Design](https://blog.epectec.com/incorporating-pcbs-and-leds-into-an-outdoor-overmolded-cable-design) [![Custom Overmolded Cable with Embedded PCB](https://blog.epectec.com/hubfs/blog/custom-overmolded-cable-with-embedded-pcb.jpg "Custom Overmolded Cable with Embedded PCB")](https://blog.epectec.com/incorporating-pcbs-and-leds-into-an-outdoor-overmolded-cable-design) Written by [Steven J Goodman](https://blog.epectec.com/author/steven-j-goodman) Posted on October 4, 2021 at 10:03 AM - [Tweet](https://twitter.com/share) Outdoor cables are used in commercial, industrial, and residential applications where they are exposed to a variety of adverse conditions. To survive a lifetime’s worth of abuse, outdoor-rated cables must be designed to stand up to the elements, rough handling, excessive moisture, extreme temperatures, and contaminants like sand or dust. Having an [overmold in the design of the cable assembly](https://www.epectec.com/cable-assemblies/over-molded-cables.html), the cable terminations can be sealed and ruggedized allowing for several design risks associated with outdoor use to be addressed in an economical fashion. [Read More](https://blog.epectec.com/incorporating-pcbs-and-leds-into-an-outdoor-overmolded-cable-design) [Previous](https://blog.epectec.com/topic/product-design/page/7) | [All posts](https://blog.epectec.com/all) | [Next](https://blog.epectec.com/topic/product-design/page/9) --- ### Recent Posts --- ### Posts by Topic - [Printed Circuit Boards (161)](https://blog.epectec.com/topic/printed-circuit-boards) - [Product Design (138)](https://blog.epectec.com/topic/product-design) - [Battery Packs (121)](https://blog.epectec.com/topic/battery-packs) - [Cable Assemblies (102)](https://blog.epectec.com/topic/cable-assemblies) - [Flex & Rigid-Flex PCB's (95)](https://blog.epectec.com/topic/flex-rigid-flex-pcbs) - [Electronics Industry (61)](https://blog.epectec.com/topic/electronics-industry) - [User Interfaces (55)](https://blog.epectec.com/topic/user-interfaces) - [Quality Solutions (33)](https://blog.epectec.com/topic/quality-solutions) - [Flexible Heaters (30)](https://blog.epectec.com/topic/flexible-heaters) - [Events, Training, and Support (9)](https://blog.epectec.com/topic/events-training-and-support) - [RF Products (7)](https://blog.epectec.com/topic/rf-products) - [CNC Machining (3)](https://blog.epectec.com/topic/cnc-machining) - [Fans & Motors (1)](https://blog.epectec.com/topic/fans-motors) See All --- --- ### Need Help with A Project? 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Please contact us with any questions or requests. - [176 Samuel Barnet Blvd, New Bedford, MA](https://maps.app.goo.gl/Q6JVMv3eQgw29fNY8) - [sales@epectec.com](mailto:sales@epectec.com?subject=Website%20Information%20Request) - [(888) 995-5171](tel:888-995-5171) --- ###### Certifications [![UL Certified Manufacturer](https://www.epectec.com/images/certified-ul.png "UL Certified Manufacturer")](http://www.ul.com/) [![ITAR Registered Manufacturer](https://www.epectec.com/images/certified-itar.png "ITAR Registered Manufacturer")](https://www.epectec.com/operations/itar-registered.html) [![RoHS Compliant Manufacturer](https://www.epectec.com/images/certified-rohs-compliant.png "RoHS Compliant Manufacturer")](https://www.epectec.com/pcb/rohs-compliant.html) [![ISO9001 Certified Manufacturer](https://www.epectec.com/images/certified-iso9001.png "ISO9001 Certified Manufacturer")](https://www.epectec.com/operations/approvals.html) [![ISO27001 Certified Manufacturer](https://www.epectec.com/images/certified-iso27001.png "ISO27001 Certified Manufacturer")](https://www.epectec.com/operations/approvals.html) --- - ##### About - [Company Overview](https://www.epectec.com/about/overview/) - [Our History](https://www.epectec.com/about/our-history/) - [Culture](https://www.epectec.com/about/culture/) - [Industries Served](https://www.epectec.com/about/industry/) - [Acquisitions](https://www.epectec.com/about/acquisitions.html) - ##### Operations - [Operational Excellence](https://www.epectec.com/operations/) - [Quality Philosophy](https://www.epectec.com/operations/quality-philosophy.html) - [Quality Assurance Process](https://www.epectec.com/operations/quality-assurance-process.html) - [Global Operations](https://www.epectec.com/operations/global-operations.html) - [Logistics & Supply Chain](https://www.epectec.com/operations/logistics-and-supply-chain.html) - [Inventory Stocking](https://www.epectec.com/operations/inventory-stocking.html) - [Approvals](https://www.epectec.com/operations/approvals.html) - [ITAR Registered](https://www.epectec.com/operations/itar-registered.html) - ##### Engineering - [Engineering Overview](https://www.epectec.com/engineering/overview/) - [Engineering Support](https://www.epectec.com/engineering/support/) - [Design Services](https://www.epectec.com/engineering/design-services/) - [EpecDFx™](https://www.epectec.com/engineering/epecdfx/) - [Free DFM File Check](https://www.epectec.com/engineering/free-dfm.html) - [PCB Impedance Calculator](https://www.epectec.com/engineering/impedance-calculator.html) - ##### Products - [Overview](https://www.epectec.com/products/) - [Battery Packs](https://www.epectec.com/batteries/) - [Flex & Rigid-Flex PCBS](https://www.epectec.com/flex/) - [Cable Assemblies](https://www.epectec.com/cable-assemblies/) - [Printed Circuit Boards](https://www.epectec.com/pcb/) - [CNC Machining](https://www.epectec.com/cnc-machining/) - [User Interfaces](https://www.epectec.com/user-interfaces/) - [Flexible Heaters](https://www.epectec.com/flexible-heaters/) - [EC Fans & Motors](https://www.epectec.com/fans-motors/) ##### Social Community Join our Social Community and keep in touch with all our latest technology investments, current news, upcoming events, and promotions. --- © 2026 Copyright Epec, LLC. 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