High Reliability Custom FPC Membrane Switch Flexible Circuit
Test Equipment
Copper Flex Layer
Trace 0.15mm
Engineered Solutions
OEM/ODM Industrial Keypad Assemblies & Specialized Overlays
Comprehensive tactile, environmental, and computational interfacing architectures exported directly to instrumentation OEMs, contract electronics manufacturers (CEMs), and automation clusters in Limerick and across Ireland.
MBR IP67 Waterproof Industrial Membrane Keyboard (PET Overlay)
Telecom Class
Sub-Surface UV
Hermetic Barrier
Embedded LED Backlit FPC Membrane Switch Keypad OEM
SMT Assembly
LGF Backlighting
Uniform Lumens
3x4 12-Key Matrix Array Waterproof PET Membrane Keypad
Appliance Class
Low Carbon Ink
Direct I/O Matrix
MBR ISO 9001 Environmentally Sealed IP65 Membrane Keypad
3M 200MP Adhesive
Silver Flake Track
Anti-Microbial
Waterproof Polyester Membrane Keypad Panel for HMI Displays
Anti-Glare Display
Panel-Mount Frame
Autotex Film
IP67 Waterproof Acrylic/Metal Dome LCD Membrane Switch
Acrylic Backer
Nickel-Plated Dome
Optical Window
MEIBORUI PBT Custom Color Silkscreen Graphic Keypad Caps
Multi-Color Silk
Textured Facia
PBT Abrasion Seal
1990+
Engineering Heritage
2,219㎡
Controlled Production Area
100%
In-House Manufacturing
1M+
Annual Exports to US & EU
Engineering Whitepaper
Precision Sub-Surface UV Ink Deposition vs. Traditional Silk Screen Processing
A comparative structural analysis on chemical bonding, optical transmission, and environmental resilience under aggressive industrial regimes.
Mimaki Digital UV Flatbed Printing
Utilizing high-frequency piezo drop-on-demand technology with immediate UV-LED polymerization. We achieve precise registration down to ±0.05mm across variable gradients, fine line micro-lettering, and high-density CMYK + White layers on the second surface (sub-surface) of Autotex polyester or Lexan polycarbonate.
- Resolution: Up to 1440 x 1200 DPI
- Adhesion: Cross-hatch Class 5B
- Tooling: Tool-less digital proofing
Precision Screen Printing (37 Lines)
For large-scale OEM runs demanding absolute solid-tone Pantone matching (PMS system) or metallic reflective backings. High-tension polyester mesh guarantees thick ink film deposition (10 to 18 microns dry film), offering complete opacity, dead-front window density, and impenetrable environmental shielding.
- Delta E Color Variance: < 0.80
- Blockout: Complete light blocking
- Batch Cost: Minimized for >5k units
Hybrid Production Architecture
Our integrated Hebei and Huizhou plants employ a hybrid flow: digitally UV printing dynamic branding, variable lot serializations, or photorealistic graphics, combined with screen-printed dielectric isolation, carbon contact pads, and micro-particle silver conductor pathways for zero contact bounce.
- Loop Resistance: < 100 Ohms
- Contact Bounce: < 5 Milliseconds
- Switch Travel: 0.3mm to 0.6mm
Regional Applications
Serving Limerick's Advanced Industrial Clusters
Custom-engineered human-machine interface panels designed to withstand chemical exposure, rigorous sanitization routines, and mechanical wear throughout the Shannon Estuary economic corridor.
Raheen Business Park: Medical Device & Diagnostics HMI
Limerick’s prominent life-sciences park demands HMI panels that maintain seal integrity against repeated wipe-downs of Isopropyl Alcohol (IPA), chlorine bleach solutions, and accelerated hydrogen peroxide. Our overlays feature anti-microbial textured polyester, sealed perimeter gaskets, and recessed clear optical windows for medical LCD/OLED monitors.
- Cleaning Agents: Resistant to 70% IPA
- Adhesion Rating: ISO 2409 Level 0
- Standards: Cleanroom assembly compatible
National Technology Park (Plassey): ICT & Lab Instrumentation
Serving R&D laboratories and electronics test system manufacturers adjacent to the University of Limerick. We produce custom flexible printed circuits (FPC) with polyimide bases, surface-mounted miniature LEDs, and shielding layers to prevent high-frequency electromagnetic interference (EMI/RFI) in sensitive signal processing hardware.
- EMI Shielding: Solid Aluminum / Copper Foil
- Attenuation: > 40dB at 100 MHz
- Interconnect: 1.0mm & 2.54mm ZIF Plugs
Castletroy & Shannon Commercial Belt: Process Control & Dairy Tech
Industrial processing facilities and agricultural automation plants throughout the Mid-West of Ireland operate in challenging humidity and variable temperature profiles. We supply IP67-rated graphic panels combined with rigid FR4 or aluminum backer plates to prevent moisture ingress and deliver over 1,000,000 continuous tactile operations.
- Thermal Range: -40°C to +85°C
- Dome Mechanics: Stainless Steel 4-leg Domes
- Actuation Force: 250g to 450g
Technical Parameters
Comprehensive Material & Electrical Architecture
A reference stack-up matrix for procurement engineers and systems architects evaluating material compatibility, electrical performance, and mechanical tolerances.
| Subsystem Element | Material Specification Options | Operational Parameters | Verified Test Method |
|---|---|---|---|
| Graphic Overlay Facia | Autotex XE PET / Lexan HP92W Polycarbonate | Thickness: 0.125mm – 0.250mm; Gloss, Matte, Anti-Glare | ASTM D3363 (Pencil Hardness 3H+) |
| Circuit Conductor | Silver Flake Polymer Paste / Etched Polyimide FPC | Sheet Resistance < 0.05 Ω/sq; FPC < 0.01 Ω/sq | ASTM F1842 Loop Continuity |
| Tactile Mechanism | Nickel/Gold-Plated Stainless Steel Domes (Round, 4-Leg, Oval) | Actuation Force: 200g – 500g; Life > 1,000,000 Cycles | ASTM F1578 Dynamic Endurance |
| Structural Mounting Adhesive | 3M 467MP, 468MP, 3M 300LSE (for low surface energy plastics) | Shear strength up to 100°C continuous; Hermetic sealing | PSTC-101 Adhesion Peel Strength |
| Environmental Barrier | Die-cut Closed-Cell Poron Gaskets / Custom RTV Gasket Channels | Ingress Rating: IP65 to IP67 / NEMA 4X compliance | IEC 60529 Water Submersion & Dust Ingress |
| Integrated Lighting | Chip-on-Flex (COF) SMT LEDs / Light Guide Film (LGF) Optics | Forward Current 20mA; Light uniformity > 80% surface wide | Spectrophotometer Optical Lumen Meter |
Market Trends
Emerging HMI Design Trends in the Irish & EU Markets
Key design shifts observed across industrial automation and diagnostic systems over recent procurement cycles.
1. Convergence on Capacitive & Tactile Hybrids
Engineers in the Mid-West are increasingly combining smooth, wipe-clean capacitive touch glass surfaces with physical tactile keypads for critical safety functions. Our manufacturing line supports integrated capacitive sensor ITO films layered directly behind digital UV printed graphic overlays, creating durable hybrid control consoles.
2. On-Demand Prototyping & Agility
Traditional silk-screen printing requires expensive film screens and lengthy tooling setups, adding cost and lead time to iterative industrial projects. Our Mimaki UV digital direct-print workflow allows engineering teams to modify graphic variations, colors, and cut-out profiles rapidly without incurring high upfront NRE tooling charges.
3. Complete Modular Integration
Supply chains increasingly prefer complete turn-key sub-assemblies over discrete, loose components. We deliver integrated solutions combining graphic overlays, tactile dome switches, rigid aluminum backing plates, threaded mounting studs, and ready-to-mate cable harnesses directly to manufacturing floors across Limerick and Ireland.
Enterprise Authority
Why Tier-1 Manufacturers Partner with TAVO
Combining German technical partnerships, dual-site high-capacity infrastructure, and advanced in-house qualification testing.
Verified In-House Manufacturing
Operating a 2,219 square-meter cleanroom facility verified on-site by Intertek. Equipped with 60 CNC mold-making units, 37 precision screen printers, 4 Mimaki heat-setting UV printers, and 18 automated laser cutters, we manage all production stages internally to maintain strict quality control.
German Technology Collaboration
Since 1990, our engineering methodology has incorporated direct technical collaboration with German membrane switch specialists. This partnership informs our equipment selection, ink viscosity stabilization, and mechanical forming processes, ensuring compliance with European mechanical standards.
Tested for Reliable Operation
Every design undergoes validation in our internal testing laboratory, which includes automated computer circuit analyzers, button life-cycle test units (>1M actuations), programmable temperature/humidity chambers, xenon arc UV weatherometers, and salt spray fog chambers.
Buyer Knowledgebase
Frequently Asked Questions by Irish Procurement Engineers
Straightforward answers regarding import logistics, customs tariffs, testing criteria, and technical drawing handoffs.
How are logistics and customs handled for shipments to Limerick?
We routinely export directly to Shannon Airport (SNN), Dublin Logistics Park, or by consolidated ocean freight via Rotterdam or Dublin Port. We accommodate standard Incoterms including FOB, CFR, CIF, and EXW, and provide commercial invoices with Harmonized System code HS 8537.10 along with comprehensive certificates of origin for Irish Revenue and Customs processing.
What engineering design files are required to initiate tooling?
Our 10-person CAD design department works with vector mechanical drawings (DXF, DWG, STEP) for perimeter dimensions, cut-outs, and embossing profiles, alongside graphic files (Adobe Illustrator, Vector PDF, EPS) with specified Pantone Solid Coated references. Circuit layouts should define trace routing, pin-outs, and connector types.
How does digital UV printing compare to screen printing for small-to-medium volumes?
Digital UV printing on Mimaki flatbeds eliminates the need for physical silk screens and exposure stencils, lowering upfront tooling expenses for prototyping and runs under 2,000 units. For high-volume production (>5,000 units), our 37 screen printing lines provide economical mass throughput and robust solid-color coverage.
Are your graphic overlay panels resistant to chemical washdowns?
Yes. Utilizing textured Autotex polyester with reverse second-surface digital printing creates an impenetrable barrier against standard cleaning chemicals, industrial degreasers, and disinfectants, protecting the underlying print and circuit paths.
Do you accommodate low minimum order quantities (MOQ)?
Yes. We support agile prototyping, pilot verification runs, and spare-parts supply with flexible order volumes. We accommodate small-batch requirements to assist design iterations before expanding into volume manufacturing.
What testing protocols confirm electrical and tactile reliability?
Every manufactured batch undergoes automated computer continuity checks for loop resistance and trace shorts. Our quality laboratory also uses mechanical life testers to confirm actuation longevity beyond 1,000,000 presses, alongside environmental and salt-fog validation chambers.