Membrane switch design options:
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
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Technical Specifications |
Electrical |
Maximun Circuit Rating: |
35V DC,100mA,1W |
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Contact Resistance: |
10Ω~500Ω |
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Insulation Resistance: |
100MΩ at 100V DC |
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Dielectric Withstand: |
250V Rms(50-60Hz 1min) |
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Contact Bounce: |
5ms or less |
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Mechanical |
Actuation Force: |
Flat type 60g~300g(2~10OZ) |
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Tactile type 150g~400g(6~14OZ) |
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Switch Stroke: |
Flat type 0.1~0.5mm |
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Tactile type 0.6~1.5mm |
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Life Expectancy: |
Flat type Five milllion closures or more Tactile type one million closures or more |
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Environmental |
Operating Temperature: |
-40°c~+80°c |
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Storage Temperature: |
-40°c~+85°c |
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Humidity: |
40°c,90%~95%,for 240 hours |
TADA is a pioneer in the manufacture of membrane switch, Graphics and touch panel, we have gathered over 10 years of experience in the field which guarantee our customers deliver date, top-highly quality, favorable price, excellent customer service and quickly action.
Based on advanced technology, strong ability for engineering team, We provide OEM and ODM for customer. ISO9001-2000 certified quality management system, professional marketing team, our products have won envious reputation in various countries and regions.
TADA Membrane switch have successfully entered the global market and have continually been improved to meet ever more advanced customer requirements. Our main market of global are USA, England, Germany, Norway, Switzerland, Italy, Australia, Holland, Slovenia, Singapore, Belgium, Hungary, Austria.
To be the best partner of customers, suppliers and distributors, we treat all of them with much respect, and hope to create new valuable and fruitful business under mutual ventures and strategic alliance.
