Screen Printing Keyboard Membrane Cover Silver Conductive Circuit With 2.54MM Pitch
Benefits of Using a Keyboard Membrane Cover:
- Protection: Guards against dust, crumbs, and spills.
- Easy to Clean: Many covers can be wiped down or washed.
- Quiet Typing: Silicone covers can dampen noise while typing.
- Custom Fit: Available for various keyboard layouts and sizes.
- Enhanced Grip: Provides a non-slip surface for better typing control.
Considerations:
- Typing Feel: Some users may find the typing experience slightly altered.
- Compatibility: Ensure the cover fits your keyboard model properly.
- Thickness: Thicker covers may offer more protection but can affect typing feel.
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
Product index:
Operating voltage: 35V DC
Operating current: 100mA 1W
Contact resistance: < 100 Ohms
Open circuit resistance: ≥ 10MΩ at 100V
Operating temperature: Flat/Metal dome:-20°c to +80°c
Storage temperature: Flat/Metal dome:-40°cto +80°c
Life expectancy Flat type≥5,000,000 times Tactile type≥1,000,000 times
Switch stroke: 0.1 to 0.6mm
Contact bounce: 5 to 30ms
Actuation force tolerance: +/- 20 to 45g
Tactile ratio: FC > 40%
Operating humidity: up to 95% RH
Female, male connector, solder pins and heat seal connectors are available
About Taida.pdf
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