Pet PC Membrane Switch Instrument Front Touch Panel for oven, air cleaner, air purifier

Illuminated LED Metal Dome Membrane Button Keyboard Switch is a user interface device designed to meet specific requirements. It incorporates Light Emitting Diodes (LEDs) for backlighting or indicator lights, enhancing usability and aesthetics. These keypads are tailored in terms of size, shape, color, and functionality, including the number of keys, keypad embossed Types, tactile response, and graphic overlay design. 


Expect for getting your design idea, then we will work hard together to achieve it.


    LED Turn-off Appearance                                                       LED Turn-on Appearance

Membrane Switch Structure

1. Graphic Overlay: Printed on PET or PC sheets, graphic overlays feature intricate designs and text for labeling and key functions, known for high transparency, strong ink adhesion, elasticity, and toughness.
2. Upper Adhesive: Tightly connecting panel and circuit layers for sealing, the upper adhesive boasts high viscosity and anti-aging properties, with a thickness ranging from 0.02 to 0.05mm.
3. Upper Circuit: This layer is mainly metal dome or polydome (die-pressing silver paste point), which as the upper circuit facilitating connectivity with the lower circuit via key presses.
4. The Spacer: Insulating and bonding upper and lower circuit layers, the spacer prevents metal dome shift using PET double-sided tape, typically 0.05 to 0.2mm thick.
5. Lower Circuit: Using PET, the lower circuit employs silver paste and carbon ink for circuit design printing, offering excellent conductivity and LED mounting capabilities.
6. Back Adhesive: For membrane switch assembly bonding, the back adhesive utilizes genuine 3M adhesive, with options like 3M55236, 3M9448A, 3M467, 3M468, and 3M300LSE.

1. Design Partners

At STC, we accompany you through every phase of the product lifecycle- from initial planning & design to development &  implement even though to eventual phrase-out and replacement.Whether you need to design a new control and display system, or fix a challenge with your current one, we can help.

2. Quick-turn Prototyping 

Our skilled in-house engineering team provides fully functioning prototypes for significant flexibility in your product design and development.

3. World-class manufacturing competencies

Transition from prototype to mass production is swift and efficient with STC's manufacturing capabilities.

4. Cost Effective

With over two decades in the industry, STC provides cost-effective, integrated membrane switch solutions tailored to your needs. We take all details into account including delivering a full-assembly integration.

5.  Excellent Sourcing Capability 

We have established an excellent supply chain for a multitude of products allowing us to provide value-added assemblies related to human-machine interfaces. Contact us for more information on our capabilities or request a quote today.

6. Always Evolving

we merge the agility of a small company with the strength of a larger entity, dedicated to delivering tailored, high-quality solutions. Together with STC, we're redefining human-machine communication, ensuring each of our products is not only a component, but also a connection.