Membrane Switch Technology

Anatomy of a Silver Flex Membrane Switch Infographic

Silver Flex membrane switches are the most common construction for flexible, custom membrane keypads. It is also the most popular membrane switch construction due to its affordability. But what exactly are the parts that make up a membrane switch? What design options are available for each of these pieces? And what are the benefits of …

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Sourcing Membrane Switches: A Checklist

Selecting a membrane switch supplier should be easy. However, seemingly simple printed keypads can cause a lot of problems such as unexpected costs, poor material choices, manufacturing inexperience and just plain poor customer service. To make sure your next switch order meets your requirements and expectations, here is a quick checklist of the top five …

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Implementing Light Guide Film Backlighting

The engineers at Pannam can integrate backlighting into your membrane switch using any of four different technologies (Light Emitting Diodes (LEDs), Electroluminescent (EL) Lighting, Fiber Optic Lighting and Light Guide Film) depending upon your requirements. This document focuses on Light Guide Film – what it is, when to use it and considerations prior to designing …

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How to Choose the Right Switch Technology for Your Product

Product engineers and electrical engineers have many choices when it comes to switch technology for their products. The switch is the component that breaks an electrical circuit and either interrupts the current or diverts it from one conductor to another. Typical switches include capacitive switches, mechanical switches, and membrane switches. Engineers also choose from flexible …

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Don’t Lose Sleep Over Membrane Switch Design: Watch Pannam’s New Video

Are your product engineers losing sleep stressing over the many things that could happen to your product’s membrane switch, resulting in a complete and utter failure of the entire user interface? Studies show that membrane switch design is a leading cause of insomnia among product designers and engineers. (Actually, we made that up. But the …

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Membrane Touch Switches: What are They and What do They do?

Definition of Membrane Touch Switches Membrane touch switches are sometimes referred to as membrane switches or touch switches. Generally, a membrane touch switch is a momentary electrical on/off switch for activating and de-activating a circuit. Membrane touch switches are thought to have momentary action because they operate under conditions of normally open, push to close, …

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Embedded LED PCBs: What are They and What do They do?

A Definition of Embedded LED PCB’s Light emitting diodes (LEDs) are semiconductor diodes. LEDs belong to the group of electroluminescent luminaries, and they generate light by recombining charge-carrier pairs in a semiconductor with an appropriate energy band gap. LEDs are utilized in both industrial and consumer markets because of their low operating voltage and power, …

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Carbon Tactile Keys: What are They, What do They do?

A Definition of Carbon Tactile Keys Silicon rubber keypads are very popular in consumer and industrial electronic products. These keypads are low cost and mostly reliable. A typical silicone rubber keypad involves creating angled webbing around a switch center. When the switch is pressed, the webbing deforms and produces a tactile response. As soon as …

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Guide to Protective Coatings for Rubber Keypads

A Definition of Rubber Keypad Protective Coatings Protective keypad coatings are important for many electronic products, as they can enhance the value of the product. The protective keypad coatings also offer superb tactile operation and multiple finishing techniques. Rubber keypad protective coatings help to increase a keypad’s lifecycle by enhancing wear resistance. They also can …

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Rubber Metal Dome Keypads: What are They, and What Do They do?

A Definition of Rubber Metal Dome Keypads A hybrid of a flat-panel membrane and mechanical-switch keyboards, dome-switch keyboards bring two circuit board traces together under a rubber keypad. When a key is pressed, it collapses the dome, which connects the two circuit traces and completes the connection to enter the character. These keypads use metal dome …

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