Waterproof 
Custom Waterproof Metal Dome Membrane Keypad
3M 467/468 high-bonding adhesive, nickel-plated metal dome snap feedback, sealed against moisture and grease.
Engineered Membrane Keypads
Showing production-grade custom assemblies built to buyer drawing specifications.
Tactile 
Custom Push Button Tactile Membrane Switch
Flexible silver-printed circuit layers, customizable embossing profiles (rim or pillow), sample available for testing.
Harsh Env 
Dustproof & Waterproof PET Graphic Overlay Keypad
Autotex/Autoflex PET film overlay, chemically resistant surface, perimeter sealing against dust and liquid intrusion.
ESD Shield 
ESD Shielded Thin Film Membrane Switch Keypad
Integrated aluminum or conductive carbon grid shielding layer protecting sensitive microprocessors from electrostatic discharge.
Medical Grade 
RoHS Compliant Medical Instrument Control Switch
Antibacterial surface texture, sanitizable wipe-down membrane overlay, validated life cycle exceeding 1 million actuations.
LED Built-In 
LED Embedded Tactile Membrane Switch Panel
Surface-mounted chip LEDs bonded into the circuit layer with transparent tinted display windows and clear feedback.
FPC Circuit 
High-Density FPC Backplane Membrane Switch
Polyimide flex circuit foundation for tight trace pitch, ultra-low lead resistance, and rugged high-vibration applications.
Silk Screen 
Precision Silk Screen Printed Membrane Keypad
Back-side second-surface printing ensures legends remain impervious to scratching, solvents, and UV light degradation.
LGF Backlit 
Uniform Light Guide (LGF) Backlit Membrane Keyboard
Engineered micro-dot light guide film delivers even illumination across all graphic icons with minimal LED count.
Hybrid Silicone 
Silicone Rubber Keymat Over Membrane Circuit
Combines the cushioned tactile travel of molded silicone rubber with the sealed reliability and low profile of membrane switches.
Technical Specifications & Quality Engineering
Zhejiang ZIRA Membrane Switch Co., Ltd. produces human-machine interface assemblies in compliance with international industrial and medical manufacturing standards. All designs undergo complete optical and electrical testing.
| Parameter | Standard Specification Range | Test Standard / Notes |
|---|---|---|
| Contact Rating | 0.5V to 30V DC, 10mA to 100mA max | Standard low-voltage logic signal switching |
| Contact Resistance | < 100 Ω (Silver ink printed circuit) / < 1 Ω (FPC/PCB) | Dependent on trace length and routing density |
| Insulation Resistance | > 100 MΩ at 250V DC | Tested between adjacent circuit tracks |
| Contact Bounce | ≤ 5 ms | Compatible with standard debounce circuits |
| Operating Force | 150g to 450g (Tactile metal dome) | Crisp tactile snap ratio between 40%–65% |
| Operating Life Cycle | ≥ 1,000,000 actuations (Metal dome) | Tested in environmental life chambers |
| Operating Temperature | -20°C to +70°C (Extended: -40°C to +85°C) | No graphic delamination or tail brittleness |
| Environmental Sealing | IP65, IP67 compliant perimeter sealing available | Continuous gasket adhesive boundary |
| Tail Termination | 2.54mm, 1.27mm, 1.0mm pitch female / ZIF connection | CrimpFlex pins, housing, or bare solder tabs |