Custom Design SGS Material PCB Membrane Switch With Tactile Snap Dome Buttons
PCB board membrane switch is a type of control interface that combines a printed circuit board (PCB) with metal domes and a membrane switch design. This integrated approach offers several benefits for various applications, including household appliances, consumer electronics, and industrial equipment. Here's a closer look at the key aspects of an metal dome PCB board membrane switch:
This design includes the following key elements:
Copper Layer: This layer includes a larger rectangular area covering the entire PCB, with a smaller rectangular area in the center for the keypad. It also has four circular pads at the corners for connecting to the membrane keypad.
Silkscreen Layer: This layer includes the text labels "Metal Dome Membrane Keypad" and "PCB Design".
Soldermask Layer: This layer covers the entire PCB, except for the copper pads and traces.
Keypad Layer: This layer includes the individual key areas, represented as rectangles, that correspond to the metal dome components on the membrane keypad.Advantages:
- Compact and space-efficient design by integrating the PCB, LEDs, and membrane switch components.
- Improved reliability and durability compared to standalone membrane switches, as the PCB provides a more robust structure.
- Enhanced visual feedback and customization options with the integrated LED backlighting.
- Cost-effective manufacturing process, as the components are fabricated together.
- Versatile design that can be tailored to various product requirements and aesthetics.
Applications:
- Consumer electronics, such as remote controls, home appliances, and personal care devices.
- Industrial equipment, including control panels, machinery interfaces, and medical devices.
- Automotive applications, like dashboard controls and center consoles.
- Building automation systems, such as HVAC controls and smart home interfaces.
Specification:
| 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 | ||||||||
