ShenZhen Taida Membrane Switch CO.,LTD
DongGuan Taida Membrane Switch Technology Co., Ltd
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Automatic Printing Matrix Push Button Switch Embeded Flexible Prototype
Latching Switch: This switch stays in the "on" or "off" position after being pressed once. It requires a second press to change its state. Used in light switches.
Momentary Switch: This type only stays on while being pressed. When released, it returns to its original state (off). Commonly used in doorbells and keyboards.
| Overlay material ---For front or face overlay | ||||||||
| Polyester | Polycarbonate | |||||||
| 1 Highly versatile for embossing | 1 wide range of the surface finishes and thicknesses | |||||||
| Embossing --- Graphic overlay or up circuit can be embossed in order to insert metal stainless steel domes for good tactile when press .Leave space for mechanical keys and provide tactile indications | ||||||||
| Pedestal embossing | Rim embossing | Pillow embossing | Dim embossing | |||||
| Windows or LCD --- For display functions | ||||||||
| Printed colors windows such like red ,black and so on | Transparent finishes windows | |||||||
| Keys | ||||||||
| Tactile Keys :witch metal domes or Poly domes ,Metal dome with different diameter and pressure kinds | Non-tactile keys: printed silver spot on the circuit | |||||||
| LEDs ---Miniature LEDs ,LED colors :white ,Green ,Red ,Blue ,Yellow ,Orange and others | ||||||||
| EL and Sensors or inductors --- EL can be light any place where where you like ,and sensors can be used as LEDs | ||||||||
| Cables --- is extension of circuit and communication with your device | ||||||||
| Screen printing conductive silver cable | Copper plated cable /Polyimide or FPC | PCB cable | ||||||
| Types of connector --- 1 Zero insertion force(ZIF) with 0.5MM ,1.0MM,1.25MM pitch ;2 Female connector with 2.54MM pitch; 3 Male connector | ||||||||
| Shielding --- For protection function | ||||||||
| Gasket seal/Waterproof :protect the conductors against from the humidity and splashes | EMI/RFI/ESD Shielding: use an Aluminum foil shielding /clear ITO electrical conductive polyester to protect | |||||||
| Rear Adhesive --- Mostly use the 3M double-side mounting glue brand of USA. Also accepted others such like Lohmann and others | ||||||||
| Back plate --- Use in Aluminum ,Polycarbonate ,Acrylic Or PMMA | ||||||||
| Matching color --- PMS or RAL Is best ,CMYK or RGB also can be ok if you can supply PMS Or RAL | ||||||||
| Standard Tolerances :+/-0.2MM | ||||||||
Membrane switch Performance Index:
Electrical properties
| Operating voltage | ≤ 50VDC |
| Operating Current | ≤ 100mA |
| contact resistance | 0.5 ~ 10Ω |
| Insulation resistance | ≥ 100MΩ (100VDC) |
| the substrates withstand voltage | 2kDVC |
| rebound time | ≤ 6ms |
| loop resistance | 50Ω, 150Ω, 350Ω third gear, or user needs identified |
| insulating ink withstand voltage | 100VDC |
Mechanical behavior
| reliability of service life | > 1 million times |
| closed displacement | 0.1 ~ 0.4mm (tactile) 0.4 ~ 1.0mm |
| Kin standard for force | 15 ~ 750g force |
| conductive silver paste migration | in 55 ° C, a temperature of 90%, after 56 hours, the second-tier of 10MΩ/50VDC |
| Silver online no oxidation, no impurities | |
| Pastes linewidth ≥ 0.3mm, the minimum interval of 0.3mm, line burr <1/3, the line gap <1/4 linewidth | |
| pin spacing standard 2.54 2.50 1.27 1.25mm | |
| the pinout anti curvature, d = 10mm Ganggun pressure roll 80 times line constantly. | |
Environmental performance
| Operating Temperature | 20 °C ~ +70 °C |
| storage temperature | -40 ° C to +85 ° C temperature 95% ± 5% |
| large gas pressure | 86 ~ 106KPa |
Printing indicators
| printing size deviation ± 0.10mm, appearance sideline unclear compiled difference±0.1mm |
| chromatic deviation ± 0.11mm/100mm, the insulating ink covering all Silver Line |
| ink scattered, writing incomplete |
| color difference is not more than two |
| shall not creased, paint stripping |
| transparent transparent window cleaning, uniform color, no scratches, pinholes, impurities. |
Our Services :
1 Reply your inquiry within 24 working hours
2 Customize design is available ,OEM and ODM are welcome
3 Experienced Staffs answer your all question in professional and fluent English
4 Exclusive and unique solution can be provided to our customers by our well-trained and professional engineers and staffs
5 Good service ,High quality ,test all goods and short lead time supply
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