Essential details
MOQ:100
Shipping:Express Delivery
Specification Number:custom design
Product Introduction
A PCB Membrane Keyboard refers to a keyboard design that combines a printed circuit board (PCB) with a membrane switch technology. Here are the key details about this type of keyboard:
- PCB Construction:
- The base of the keyboard is a rigid printed circuit board (PCB).
- The PCB provides a stable platform and houses the electrical connections.
- Conductive traces on the PCB detect the keystrokes.
- Membrane Switch Overlay:
- Laid on top of the PCB is a flexible membrane switch layer.
- This membrane contains conductive rubber domes or switches that complete the circuit when pressed.
- The membrane provides a responsive, tactile feel for the keys.
- Key Benefits:
- Durable and long-lasting construction with the PCB base
- Spill-resistant and easy to clean due to the membrane design
- Customizable key layouts and switch feel
- Cost-effective manufacturing compared to mechanical keyboards
- Compact and low-profile form factor
- Design Variations:
- PCB Membrane keyboards can have different levels of customization.
- Some may have a simple membrane overlay, while others incorporate additional features like backlighting or custom key shapes.
- The PCB can also be designed with specialized features like integrated microcontrollers or connection interfaces.
- Applications:
- Industrial and manufacturing equipment control panels
- Medical devices and laboratory instrumentation
- Kiosks, point-of-sale systems, and other public-facing interfaces
- Specialty keyboards for computers, gaming, or other applications
- Low-profile keyboards for thin, space-constrained designs
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 . | ||||||||
| 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 | ||||||||
