Non-Tactile Membrane Switch

The type I Membrane switch is typically constructed as two circuit layers separated by a spacer.  The top and bottom layer can both have circuit patterns that are shorted together, or one layer of circuitry where interlocking “fingers” or electrically connected by a shorting bar. There is no tactile or “click” as part of the actuation.  Because there is no tactile response, it is common for the application to have an audible response such as a beep, or a light so the operator is aware that the contact has been made.

GDSI specializes in design and building membrane switches that need to withstand harsh environments or require a higher level of reliability than typical silver on polyester switches.
We can use a variety of circuit configurations and materials that are proven to last longer and perform more reliably  Some of these options include:

• Completely sealed switches
• Double and single sided copper circuitry
• Hybrid copper and polymer thick film circuitry
• D/SPC ® - Unique circuit technology eliminates problems associated with cross over polymer circuitry.

View our membrane switch case studies for examples of how our technology eliminates reliability problems.

Design Advantage	Performance Results
Low profile, flat surface, compact keypad spacing	Provides switching in smaller spaces, with less  weight and easily cleanable surfaces
Wide range of actuation forces	Human factor sensitivity can be pinpointed for maximum response
Controls can be placed where most needed	Greater ease of use by control operator
Reduces demand for large switch construction on control panel	More efficient use of materials
Replaces mechanical actuation devices	Ideal for portable instrumentation
Completely sealed construction	Prevents permeation of chemicals, oils and contaminants

Design Options

Circuitry: single-, double-sided, molded

Complete environmental sealing, gasketing

Unlimited graphic design possibilities

Components; LED, LCD, EL panels

Backers and stiffeners

Backlighting

Convex surface conformance and actuation