CIPEM offers a wide range of high-performance Custom Membrane Switch Keypads.
The Membrane Switch keypads are made in different Plastic Film material and double side adhesive with graphic printing and printed electronic circuit.

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A membrane switch, also called a membrane keyboard or membrane keypad, is a switching device comprised of a series of flexible layers of polymer films and adhesives.

The upper layer of a membrane switch panel is typically called a graphic overlay, and is produced by printing on the second surface of clear polyester or polycarbonate film. The circuitry is created by screen printing conductive silver ink.

Tactile devices can easily be incorporated into the membrane switch to provide feedback to the operator that the switch has been activated. Other electronic components can be implemented, as well, such as discrete LEDs, backlighting sources, and connectors that make membrane switches easy to integrate into other systems or devices.

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Membrane switch structure
  • 1 - Overlay
  • 2 - Adhesive spacer
  • 3 - Top circuit layer
  • 4 - Circuit spacer
  • 5 - Lower circuit layer
  • 6 - Adhesive layer
  • 7 - Back adhesive layer

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Mainly PC (Polycarbonate) on different thickness (150, 180, 200, 250μm).

Can also be polyester (PET).

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Depending on the customer's needs:

  • Scratch resistance.
  • UV resistant.
  • Gloss finish.
  • Antiglare finish.
  • Textured.
  • Outdoor use.

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  • Silk screen printing.
  • Digital printing.

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  • Double sided tape adhesive enables to assemble the different layer of the membrane.
  • Thickness between 0.05 and 1.15mm.

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  • Used to fix material domes position in the membrane.
  • Thickness between 0.05 and 0.175mm.

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  • 2 Possible materials: PET or FPC.
  • If PET,circuit is silk creen printed with silver paste.
  • Common circuit thickness: 0.125mm.

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Mobile display Display
Type

Tactile or nontactile number of switches circuit type

Graphic Graphic
Type

Flat
Embossed

Size & lengh Size & Lengh

Number of through holes cut-outs from 20mm - 2 000mm

Resistance Resistance
Capabilities

UV resistant
Waterproof

Connector Connector
Tail

Minimum clearance
(from tail edges for the tracks)
Male & female connector

Connector Graphic
Colors

Number of colors
Background and display windows

LED LEDs

Colors & types

LED Production
Capabilities

7 000k pieces/month
(average size of keypads)

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Keypad
Moiture resistance icone

Moiture resistance

The film and the adhesives used proide excellent resistance to the moisture without requiring individual seals around each key on the membrane keypad

Moiture resistance icone

Easy to clean/sanitize

Membrane switch panels are relatively flat marking them easier to sanitize. Important factor for the medical field and its applications.

Moiture resistance icone

Low cost

Provides a very inexpensive unit price, but also very affordable tooling costs.

Moiture resistance icone

Easily customizable

Tooling costs being low, customization is easy. Shape, color, dimension and feel can be tailored to user requirements.

Moiture resistance icone

Integrated graphics

Can integrate complex designs and can include almost all graphic options ( different logos, designs...).

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Electronics products

Payment keypad

Computers

Mobile phones

Smart sensors

Medical Equipment

Nuclear imaging equipment

Hospital bed controls

X-Ray equiment

Measuring instrument

Glucose meters

Coating thickness
Ultrasoninc thickness

Soundmeters

Automotive

Automotive switches

Display buttons

Household appliances

Coffee makers

Microwaves

Laptop keyboards

Remote controls

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