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Design Guide Membrane Switches Design Guide

RSP(Global Sourcing Partner) limited

Design Guide Membrane Switches Design Guide

Country/Region china

Company RSP(Global Sourcing Partner) limited

Categories Custom Membrane Switches

Update 2012-08-24 11:56:53

ICP License Issued by the Chinese Ministry

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Membrane Switch Design Guide

RSP is your trusted source for membrane switches, rubber keypads, plastic injection molding, turn-key assemblies and more.
RSP has over 50 years of design and manufacturing experience. We have domestic capabilities for laser cutting rapid prototype membrane switchesand producing medium-sized production runs at competitive pricing. We have offshore production capabilities for a variety of jobs large and small offering world-class pricing.
The top layer of a membrane switch is the graphic interface between the user and the machine. While other layers are essential to overall performance, it is a well designed and attractive graphic layer that impresses the user first. The other layers of the membrane switch need to support the graphic layer by providing the qualities and functionality you need.
RSP works with each customer to design the optimal switch that meets your needs. We can maximize a switch for appearance, functionality and price. RSP prides itself on testing each switch to your specifications so that there are no failures in the field.
The membrane switch can be the most important part of a product; do not trust the design and construction to just any supplier.
If you need additional information please contact us directly at (414) 546-4417....

Membrane Switch - Standard Construction - Membrane Keypad

Figure 1:

Construction Considerations
RSP designs custom membrane switches to your specifications. Ideally, the membrane switch will be designed simultaneously with the rest of your product. (Please note that we have the capability to provide you with many other parts for your project as well, such as the PCB, plastic enclosure, and even turn-key assemblies). Since we want you to have the best membrane switch possible, here are some things to consider during the design phase.


  • What material type is the switch laminated to? This will determine the adhesive needed.
  • Will tactile response be required?
  • Is actuation force a factor? The usage affects whether you want a heavy or light force to actuate the key.


  • Will this product be used indoors or outdoors? Does this product need NEMA 4 construction? NEMA 4 provides a degree of protection against falling dirt, rain, sleet, snow, windblown dust, splashing water, and hose-directed water.
  • Is this product exposed to the elements?
  • What temperatures and humidity range will this product experience?
  • What type of solvents and cleaning solutions will come into contact with the switch?


  • How many switches will there be?
  • What type of pinout will be used (common bus, X-Y matrix, other)?
  • What closed loop resistance is acceptable?
  • Will Electromagnetic (EMI) or Electrostatic (ESD) shielding be necessary?


  • Will edges be exposed? It is best to place the membrane switch into a recess that is the same or greater thickness as the membrane switch to avoid accidental interaction.
  • Will embossing be required? Embossing improves a user’s ability to locate keys.

Design Stage

RSP accepts many different formats of artwork files. To find out if we can work with your artwork, please send a file with contact information to If you do not have artwork or need help with your design, our graphic artists and engineering experts can also design the graphic overlay and circuitry for you. Common file types accepted by RSP include:
  • Adobe Illustrator - AI or EPS
  • CorelDraw - CDR
  • AutoCAD - DWG or DXF
  • Portable Document Format - PDF

Sample / Re engineering
If you have a sample part, providing it to your sales associate can be very helpful for quoting and rebuilding. If drawings are available, a sample can confirm colors and construction in cases where the membrane switch was not built to specifications. If there are not drawings, in the case of a replacement membrane switch on a machine, a sample may be the only mean available to construct the schematics, match colors, and specify the layers.
Color samples provide the best method of color matching. If an exact match is necessary, please let your sales professional know so that a sample can be provided to you for approval.
Pantone Matching System (PMS ###)
Color Samples - Preferred samples are 3” x 3” on polyester or polycarbonate

Production Drawings

During the design process RSP will supply the customer with the same prints that move with the job through production, whether it is being produced domestically or offshore. Customers can visually see each layer of the switch including key placemen

Product Tags:

customs membrane switch


customs membrane switches


none tactile membrane switch

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