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Blog | Manufacturing Solutions


Improving Abrasion Resistance for Silicone Rubber Keypads

Written by Victor Ho - Mechanical Engineer
Posted on January 19, 2016 at 10:00 AM

Designers and manufacturers of silicone rubber keypads understand they are used for a wide range of industries and applications while needing to withstand heavy usage. Keypads are used extensively in both consumer and industrial electronic products as a low cost and reliable switching solution. In specific applications rubber keypads may be used ­in harsh outdoor environments that must withstand hundreds of actuations on a daily basis.

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What Kind of User Interface is Your Best Option?

Written by Epec Engineered Technologies
Posted on October 1, 2015 at 1:42 PM

As a leader in user interface technology, we frequently get asked the question, "What kind of user interface is the best option for my application?" User interface, or Human Machine Interface (HMI), assembly designs are dependent on the application, housing, and the environment they will be used in. Choosing the right option and material is a key component.

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Packaging For User Interface Assemblies

Written by Epec Engineered Technologies
Posted on May 14, 2015 at 11:22 AM

Packaging for user interface assemblies is the last step in the manufacturing process, but not a step that should be rushed. Epec pays as much attention to packaging detail as we do to design and manufacturing of custom assemblies. Because each assembly part number is customized, each has different size, mass, and shape. However, styles of user interfaces can be grouped into several categories. Experience has shown the type of packaging that works best is based on complexity of construction, shape, size, mass and shipped unit volume. No one packaging solution works for every assembly style.

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User Interface Functional Test Schemes

Written by Epec Engineered Technologies
Posted on February 13, 2015 at 11:17 AM

This blog post addresses custom user interface testing in terms of functional test schemes that are completed prior to shipment. Generally, the first user interface assemblies shipment are for First Article acceptance testing where customers fully examine the first units for mechanical and electrical compliance to all engineering drawing and specifications.

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Can A Membrane Switch Keypad Be Waterproof?

Written by Epec Engineered Technologies
Posted on May 16, 2014 at 1:49 PM

The need to protect your keypad from the ever-present threat of wear-and-tear is crucial for all applications.  If your control panel is going to be used in marine environments, medical devices, or other consumer electronics, the threat of water or liquid exposure is ever present. In wet situations, it is critical that all electronic components are completely sealed off from any outside substances that could damage the device.

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Why Use A PCB Membrane Switch Combination?

Written by Epec Engineered Technologies
Posted on March 3, 2014 at 12:33 PM

Many applications would be better suited using a membrane switch (low profile, flat surface keypad assembly) along with a rigid printed circuit board (PCB), replacing screen-printed silver conductors on polyester sheets.

Printed circuit boards with gold plated switch contact pads and gold plated dome switches greatly improve the reliability of your application, offering longer operating life with lower switch resistance and contact bounce.

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What Is The Smallest Bend Radius Of A Membrane Switch Tail?

Written by Epec Engineered Technologies
Posted on January 15, 2014 at 2:41 PM

The smallest bend radius that can be used on a membrane switch tail will depend on the type of design. Deciding factors will depend whether or not the user interface is constructed with one tail/circuit layer or dual tail/circuit layers, and where the bend is located.

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Preventing Switch Bounce in Low-profile Keypad Assemblies

Written by Epec Engineered Technologies
Posted on October 10, 2013 at 2:10 PM

Custom low-profile keypad assemblies used in OEM applications incorporate snap-acting dome switches. Dome switches are a type of keypad assembly switch intended for very long cycle life and years of trouble-free use but are intended for logic-level switching, not power switching.

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