Customizable Surface Mount Membrane Switches Graphic Overlays For
Hairfoil Device
Membrane Switches
- Definition: Membrane switches are a type of electronic switch that is made up
of multiple layers, including a flexible membrane, printed
graphics, and electrical contacts.
- Functionality: They are used to control devices by completing a circuit when a
button is pressed. Common in appliances, medical devices, and
consumer electronics.
- Advantages:
- Durability: Resistant to dust, moisture, and contaminants.
- Low Profile: Offers a sleek design that can be customized for various
applications.
- Easy to Clean: The flat surface is easy to wipe down, making it hygienic for
medical applications.
Graphic Overlays
- Definition: Graphic overlays are the printed layers that cover and protect
the underlying circuitry of the membrane switch. They often include
graphical elements like icons, labels, and branding.
- Design Considerations:
- Material: Typically made from polyester or polycarbonate, providing
durability and clarity.
- Printing Techniques: Common techniques include screen printing, digital printing, and
UV printing.
- Finish: Options include matte, gloss, or textured finishes to enhance
visibility and tactile feedback.
- Customization: Graphic overlays can be tailored in terms of color, shape, size,
and functionality to match specific device requirements.
Applications
- Industries: Commonly used in medical devices, automotive controls, consumer
electronics, and industrial equipment.
- User Experience: Enhances usability by providing clear visual cues and tactile
feedback for users.
Specification:
1)Material (for front or face overlay)
Polyester:
1.Highly versatile for embossing
2.Highly resistant to chemicals
3.Better durability
4.For internal and external use, UV resistance
Polycarbonate:
1.Different surface(Glossy, Matt) and thickness(From 0.12mm~2mm)
2. cost-effective in price
3.For internal and external use
2) Embossing
Rim embossing/pillow embossing/dimple embossing
Graphic overlays can be embossed in order to insert domes/LED,
leave space for mechanical keys/LED and provide tactile indications
and better tactile feeling.
3)Windows(for display function)
1. print different colors windows, As transparent grey/Red/green
window for display
2. Clear/Transparent window for LCD display
2. Matt/semi-transparent window for LED
4)Keys/buttons
Tactile keys---with metal dome or poly dome
Non-tactile--silver printing dots with flat key
5) Embeded LEDs
Small, brilliant lights only about 0.02’’ in height. Avaliable in
several vibrant colors.
LED colors: white, yellow, orange, green, red, or double colors
LED.
6)Cable
It is an extension of the printed circuit and is used to
communicate with your device.
7)Types of connector
1.Zero insertion force (ZIF) connector; 2.Female connector; 3.male
connector
8) EMI / RFI / ESD Shielding
use an aluminum foil shielding / a clear ITO electrical conductive
polyester
9)Adhesive
mostly used are 3M-double-side glue
10)Backplate-
in aluminum, polycarbonate, acrylic, PCB
Common Membrane switch structure
More photos show :
FAQ:
