Core OEM 
Custom Graphic Overlay Tactile Membrane Switch Keypad
- Circuit Material:Screen Printed Silver / PET
- Tactile Feel:Embossed Dome / Flat
- Unit Reference:$0.50 - $0.80
ISO 9001 Certified
SGS Onsite Verified
2,600㎡ In-House Facility
Established in 2009 (16+ Yrs)
DFM Feasibility Analysis · Prototypes to Volume Mass Production
Direct OEM / ODM Manufacturing
Featured HMI & Switch Component Catalog
Every product shown below can be fully customized in dimension, tactile feedback force, graphic overlay texture, circuit layout, and connection interface.
Front Panel 
Glossy / Matte Surface PC & PET Graphic Overlay Panel
- Substrate:Autotype PET / Lexan PC
- Adhesive:3M 467MP / 468MP / 300LSE
- Unit Reference:$0.30 - $0.40
Backlight 
LED Backlit Embossed Keypad with Flexible FPC Circuit
- Illumination:SMD LEDs / LGF Guide
- Tail Type:Polyimide Flexible FPC
- Unit Reference:$0.80 - $1.50
Capacitive 
Waterproof Capacitive Touch Membrane Keypad Panel
- Protection:IP65 / IP67 Sealed Design
- Control Type:Non-mechanical Touch
- Unit Reference:$0.70 - $1.20
Tactile Dome 
4-Leg Cross Shaped Tactile Metal Dome with Dimple
- Diameters:8.4mm / 10mm / 12mm
- Plating:Nickel / Gold Plated SUS
- Unit Reference:$0.01 - $0.03
Matrix 
16-Key 4×4 Matrix Electronic Membrane Keypad
- Layout:16-Key Numeric Matrix
- Connector:2.54mm Pitch Female Pin
- Unit Reference:$0.25 - $0.45
Control 
Customized 3-Key Push Button Tactile Switch Panel
- Actuation:Metal Dome Tactile Click
- Operating Life:> 1,000,000 Cycles
- Unit Reference:$0.32 - $0.40
Display Window 
Industrial Polycarbonate Overlay with Display Window
- Window Type:Transparent / Tinted / Anti-glare
- Printing:Reverse Sub-surface Print
- Unit Reference:$0.70 - $0.90
Appliance 
Appliance Membrane Control Panel with Integrated LEDs
- Environment:Oil, Moisture & Heat Resistant
- Components:Embedded SMD Indicators
- Unit Reference:$0.70 - $0.90
Thin Film 
Precision Thin Film Switch Membrane Circuit Panel
- Thickness:0.6mm - 1.2mm Low Profile
- Contact Rating:35V DC, 100mA Max
- Unit Reference:$0.80 - $1.60
Control Panel 
Instrument Matrix Keyboard Control Panel Keypad
- Circuit Type:Multi-Layer Interconnect
- Tail Connector:ZIF / Crimpflex Housing
- Unit Reference:$0.49 - $0.60
Graphic Keypad 
High-Durability Graphic Overlay Push Button Keypad
- Surface Texture:Velvet / Fine Matte / Anti-UV
- Tactile Option:Poly-dome / Stainless Dome
- Unit Reference:$0.75 - $0.85
Hole Punch Dome 
4-Legged Cross Dome with Center Light Hole
- Feature:Center Hole for LED Pass
- Finish:Gold Plating / Nickel Plating
- Unit Reference:$0.01 - $0.03
Triangle Dome 
6mm Triangular Shape 2-Leg Tactile Snap Dome
- Shape:Triangle / 2-Leg Legs
- Trip Force:160g - 350g Optional
- Unit Reference:$0.01 - $0.03
Dome Array 
Pre-Aligned Metal Dome Sheet Array on Adhesive Carrier
- Assembly:Fast SMT / PCB Placement
- Air Vents:Precision Vent Channels
- Unit Reference:$0.01 - $0.04
LGF HMI 
Thin Profile LGF Light Guide Film Membrane Switch
- Uniformity:> 85% Surface Brightness
- Thickness:0.125mm Light Guide Film
- Unit Reference:$0.35 - $0.50
Engineering Specifications
Technical Capabilities & Stack-up Standards
Manufactured according to strict IPC and ISO standards to guarantee electrical stability and tactile feedback consistency across hundreds of thousands of cycles.
| Membrane Switch Electrical & Mechanical Ratings | |
|---|---|
| Circuit Resistance | Loop resistance < 100 Ω (custom silver or gold plated FPC < 1 Ω) |
| Contact Rating | 35V DC, 100mA max, 1W max contact load |
| Dielectric Strength | 250 VRms (50-60Hz) min breakdown voltage |
| Insulation Resistance | > 100M Ω at 100V DC across adjacent traces |
| Actuation Force | 160g to 450g dependent on dome size / embossing |
| Operating Temperature | -20°C to +70°C (-4°F to 158°F); industrial high-temp -40°C to +85°C |
| Switch Travel | 0.4mm to 0.8mm for tactile snap; 0.1mm - 0.3mm non-tactile |
| Life Expectancy | > 1,000,000 actuations (tactile metal dome snap) |
| Graphic Overlay & Material Options | |
|---|---|
| Graphic Materials | Autotex PET (fine/velvet), Lexan PC (gloss/matte), PMMA, TPU |
| Adhesive Selection | 3M 467MP, 3M 468MP, 3M 300LSE (for low surface energy plastics) |
| Snap Dome Options | 4-leg cross, round snap, triangle, with/without dimple or hole |
| Dome Platings | Stainless Steel SUS301, Nickel-plated, Gold-plated |
| Embossing Types | Rim embossed, pillow (pad) embossed, dome embossed, flat keys |
| Display Windows | Transparent clear, dead-front translucent, smoke gray, anti-glare |
| Ingress Rating | IP65, IP67 sealed front face against moisture, dust and solvents |
| Tail Pitch | 1.0mm, 1.25mm, 2.54mm pitch FCI / Nicomatic / standard housings |
Quality & Testing Facility
In-House Manufacturing & Testing Machinery
Dongguan Cevra Electronic Technology Co., Ltd. controls the complete manufacturing cycle under one roof — from precision silkscreen printing to automatic lamination and high-precision testing.
Screen Printing Line
Dust-controlled high precision screen printing for graphics and conductive circuits
Precision Punching
Automated punching systems for consistent keyhole and spacer cutouts
Laser Cutting Systems
Fine-tolerance laser contouring for rapid prototyping and complex spacer geometries
CCD Drilling Machine
Optical alignment drilling ensuring layer-to-layer tolerance within ±0.05mm
Auto Laminating Line
Bubble-free automatic lamination guaranteeing bonding strength and sealing
Dome Assembly Machine
High-speed pick and placement of tactile metal domes into customized arrays
CCD Vision Inspection
Automated optical verification checking trace registration and overlay graphics
Dome Force Load Tester
Accurate verification of actuation force, tactile ratio, and switch spring-back life
Environmental Cabinet
Thermal cycling and humidity resistance testing across -40°C to +100°C
Tension & Peel Tester
180° adhesive peel strength verification of 3M tapes and laminated layers
Holding Tack Tester
Static shear adhesion evaluation ensuring bond durability under long-term stress
Pencil Hardness Tester
Overlay scratch resistance testing up to 3H hard-coat specification
Working With Us
Custom Order & Engineering Workflow
From initial Gerber/CAD file evaluation to mass delivery, our engineering team works directly with overseas product designers and purchasing managers.
1
Engineering Review
DFM file audit (CAD, DXF, AI, PDF), layer stack-up recommendation, and connector pitch matching.
2
Material Matching
Selection of Autotype PET or Lexan PC overlay, tactile dome size, and genuine 3M bonding adhesive.
3
Sample Prototyping
Rapid CNC cutting and silk printing for prototype fit, visual inspection, and functional sign-off.
4
Volume Production
Tooling preparation, automatic printing, CCD layer punch, and automated assembly in clean rooms.
5
100% QA Inspection
Circuit continuity checks, dome tactile load test, peel strength confirmation, and export packing.
Factory Direct Quote
Need a Custom Membrane Switch or Metal Dome Array?
Send your drawings, required tactile force, and estimated quantities. Our application engineering team will provide a comprehensive DFM review and quotation within 24 business hours.