Flex Circuit Keyboards and Numeric Keypads

Membrane Switches and Touchscreen Technology

Flexible Membrane Switches and Keypads
Manufacturer of custom, prototype and production membrane switches and flexible keypads for industry.

Surface Mount LED's within Flexible Membrane Keypads
CSI has been producing custom, prototype and standard flexible membrane keypad assemblies with integrated L.E.D.S since 1983.

Elastomeric Keypads
CSI Keyboards, Inc. has the expertise to provide either the elastomeric (silicone) boot as a stand alone product or as a "turnkey" assembly.

Touchscreen Products
CSI Keyboards offers touchscreen products with some of the most widely used touchscreen technologies.

Etched Flexible Printed Circuits
CSI has the capability to provide you with quality, cost effective FPC’s produced to your specifications and needs.

Custom Life Extending Cushion Switch
The LEC Switch increases switch life, overlay life and static immunity and does it all while maintaining the time proven standard membrane switch structure.

The "Total Solution" Turn key Keypad Assemblies
Let CSI Keyboards provide to you a cost effective solution to your total front panel requirements

Custom Membrane Keypads with Opti-Bond Window
Our OPTI-BOND process allows CSI to strengthen the viewing areas over LCD's, and VFD's, etc. while retaining the water-clear clarity necessary in reading these displays.

Specifications - Tolerances:

  - Typical Keypad Specifications
  - Typical Physical Properties of Silicone Rubber

Matrix Touchscreens
Matrix technology is a cost-effective touchscreen for use in security systems, home control systems, appliance and automotive controls, and industrial equipment.

Membrane Switch Backlighting
CSI Keyboards Inc. is the back lighting specialist in the Membrane Switch industry. We have designed elaborate backlit membrane switches and signage for military, medical, and industrial applications with each having very diverse parameters and needs.

4-Wire Resistive Touchscreens
4-Wire Resistive type touch screens are generally the most affordable and can be used is recommended for individual, home, school, or office use, or less demanding point-of-sale systems, restaurant systems, etc.

5-Wire Resistive Touchscreens
5-Wire Resistive type touch screens can be used in a variety of environments. This type of screen is recommended for demanding point-of-sale systems, restaurant systems, industrial controls, and other workplace applications.

Surface Acoustic Wave Touchscreens
The Surface Acoustic Wave (SAW) technology is one of the most advanced touch screen types and is recommended for ATMs, Amusement Parks, Banking and Financial Applications, public information kiosks, computer based training, or other high traffic indoor environments.

Press: Latest News from CSI Keyboards, Inc.

  - Surface Acoustic Wave Technology Touchscreen
  - LEC Switch
  - OEM Replacement Membrane Switches
  - CSI Offers Touchscreen Technology Products

CSI Keyboards Inc. Homepage
Membrane Switches and Silicone Rubber Numeric Keypads

CSI Keyboards, Inc. Company Profile
CSI Keyboards is a privately owned and operated manufacturer of Custom Designed Membrane Keypads and Data Input Devices located in Peabody, Massachusetts, approximately 20 miles north of Boston.

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