Conductive Silver Ink Printing Membrane Keypad Manufacturer For WIFI Telecommunication Device
When looking for a membrane keypad manufacturer, consider the following factors:
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Customization Options: Many manufacturers offer custom designs tailored to specific requirements, including size, shape, and layout.
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Material Quality: Look for manufacturers that use durable materials, such as polyester or polycarbonate, which can withstand wear and tear.
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Technology and Features: Some manufacturers provide advanced features like backlighting, tactile feedback, and waterproof designs.
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Production Capabilities: Ensure the manufacturer can handle your required volume, whether it's small batches or large-scale production.
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Experience and Reputation: Research manufacturers with a solid track record in the industry. Reviews and case studies can provide insights into their reliability and quality.
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Certification and Compliance: Verify if the manufacturer complies with industry standards and certifications, such as ISO or RoHS.
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
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