Engineered Tactile Domes & Membrane Interface Assemblies
Select industrial-grade metal domes and composite membrane switches fabricated under stringent sub-micron tolerances for medical diagnostics, precision electronics, and industrial HMI controls in Szeged.
Factory Direct Graphic Overlay Custom Membrane Keyboard Switch
- Material: Autotype PET / PC
- Circuit Type: Conductive Silver / FPC
- Tactile Feel: Audible Snap Dome
- Sealing: IP65 / IP67 Compliant
Cross 4-Legged Snap Dome Poly Metal Dome in Reel Packing
- Configurations: 6mm – 20mm Footprints
- Trip Force: 160g – 450g Customizable
- Plating: Nickel or Selective Gold
- Packaging: Tape & Reel for Auto-Pick
Oval Metal Dome Array Single Layer PET With Adhesive
- Geometry: Oblong / Oval Profiling
- Carrier: 0.05mm Optically Clear PET
- Adhesive: 3M 467MP / High Shear
- Travel: 0.18mm – 0.35mm Low Travel
Polycarbonate Film Touch Switch Panel Electronic Display
- Display Windows: Dead-Front / Transparent
- Printing: Multi-Color Screen Subsurface
- Tactile Core: Embedded SUS301 Domes
- Durability: Chemical & Scratch Resistant
Customized Medical Instrument Membrane Switch PET Key
- Hygiene: Antimicrobial Overlay Optional
- Actuation: Consistent Sensory Crisp Feel
- Isolation: ESD / RFI Shielding Integrated
- Standards: Biomedical Instrument Ready
High Quality Single Button Small Membrane Switch
- Dimensions: Custom Micro-Footprint
- Tail Type: Bare Tails / Berg Clincher
- Dome Style: Circle Dimpled Dome
- Environmental: -40°C to +85°C Stability
Double-Sided SUS301 Stainless Steel EMI Metal Dome Array
- Raw Material: SUS301 Japan High Yield
- Shielding: Printed Aluminum / Copper Foil
- Venting: Micro-Vent Channel Architecture
- Adhesion: Dual-Layer High-Tack Release
Custom 4x4 Tactile Dome Flexible Membrane Switch
- Matrix: 16-Key Matrix Circuit Interconnect
- Tactility: Triangular / 4-Legged Snap
- Connector: 2.54mm / 1.0mm Pitch Female
- Applications: Telemetry, Industrial Access
Szeged Industrial Dynamics: The Convergence of Automotive, Biotech, and Smart Infrastructure
Situated in Hungary’s Southern Great Plain, Szeged is undergoing an unprecedented industrial transformation. Historically anchored by food processing and light chemistry, the city has rapidly evolved into an advanced technological hub, anchored by the internationally recognized ELI-ALPS Laser Research Institute, expansion projects by global EV giants (such as the massive BYD electric mobility plant), and high-throughput biotechnology clusters affiliated with the University of Szeged.
This technical shift has introduced strict engineering requisites for mechanical and electro-mechanical human-machine interface (HMI) hardware. Equipment engineers and contract electronics manufacturers (CEMs) operating within Csongrád-Csanád county are consistently phasing out generic, off-the-shelf switch contacts in favor of custom tactile metal domes and sealed dome arrays. The local demand stems from three non-negotiable criteria: thermal cycling durability across sub-zero agricultural conditions and heated engine bays, airtight environmental sealing against chemical sanitizers used in biochemical laboratories, and tactile crispness that provides instant actuation confirmation without audio cueing.
Cevra provides direct-from-manufacturer supply chains for Szeged's OEM design engineers, eliminating trading markups, ensuring full traceability from raw Japanese SUS301 stainless steel coils, and providing micro-vented arrays that prevent tactile fatigue under pneumatic variations.
Engineering Application Scenarios Across Szeged's Core Verticals
Real-world integration workflows illustrating how our metal dome arrays and graphic overlays integrate into Southern Hungarian machinery, instruments, and vehicle sub-assemblies.
Electric Vehicle & Charging Cockpits
Szeged’s emergent EV supply corridor requires interior switch controls and outdoor charging station pedestals that resist severe humidity shifts and solar UV radiation. Our nickel-plated four-legged cross domes (8.4mm to 12mm) offer 300g–400g actuation forces, ensuring operators wearing winter work gloves receive unambiguous physical feedback without accidental misfires.
Bio-Analytical & Diagnostic Instruments
In research laboratories affiliated with Szeged's Science Park and clinical centers, equipment front panels must withstand harsh alcohol wiping, quaternary ammonium cleaning solutions, and bloodborne splash exposure. We integrate chemical-resistant Autotype PET overlays laminated over IP67-rated single-layer metal dome arrays with sealed vents, preventing fluid ingress and switch corrosion.
Automated Processing & Smart AgTech
The agricultural processing plants and smart greenhousing networks surrounding Szeged utilize localized HMI terminals exposed to dust, moisture, and variable mechanical vibrations. Our heavy-duty snap domes with central actuation dimples maintain travel constancy (±0.03mm) over 1,000,000 cycles, ensuring continuous uptime on grain elevators, grading machinery, and sorting lines.
Engineering Benchmark: Metal Dome Geometries & Plating Systems
Comparative technical data designed to assist procurement specialists and hardware designers in selecting the optimal snap dome geometry for automated SMT mounting or custom peel-and-place arrays.
| Dome Architecture | Standard Sizes (mm) | Actuation Force (g) | Click Ratio (%) | Contact Plating | Primary Application Suitability |
|---|---|---|---|---|---|
| 4-Legged Cross (With Dimple) | 6.0, 8.4, 10.0, 12.0 | 180 – 450 ±30g | 45% – 60% | Nickel / Gold (0.1µm) | Industrial panels, automotive consoles, keyboards requiring positive user feedback. |
| Round / Circle Snap Dome | 3.0, 4.0, 5.0, 6.0 | 100 – 250 ±20g | 35% – 50% | Stainless / Flash Gold | Ultra-compact PCBs, handheld medical monitors, space-constrained wearable gadgets. |
| Triangular Snap Dome (3-Leg) | 5.0, 6.0, 8.0, 10.0 | 160 – 350 ±30g | 40% – 55% | Nickel Plated SUS301 | Two-layer PCB routing where traces must traverse beneath dome legs with minimal clearance. |
| Oblong / Oval Dome | 3.5x2.5, 4.0x3.0, 7.0x4.0 | 160 – 280 ±25g | 30% – 45% | Selective Flash Gold | Headset switches, side buttons on handheld barcode readers, narrow-bezel enclosures. |
Integrated Dongguan Factory Direct Advantage for Hungarian Importers
By bypassing sourcing middlemen, Cevra delivers certified Chinese high-precision tooling and manufacturing directly to Eastern European production lines under stringent quality assurance protocols.
Verified ISO 9001 & SGS Onsite Audited
Our 2,600㎡ manufacturing facility in Dongguan is fully certified under ISO 9001:2015 quality management systems, verified through comprehensive onsite physical audits conducted by SGS Group. Every batch shipped to Hungary comes with material certs, RoHs/REACH compliance declarations, and full optical dimensional reports.
Complete End-to-End Vertical Process
From precision high-speed metal stamping dies, cleanroom screen printing lines, and automated CCD hole drilling to fully automated peel-and-place dome array collating machines, all processes remain 100% in-house. This prevents multi-tiered vendor errors and accelerates rapid prototyping from CAD drawing to sample dispatch within 5–7 days.
Comprehensive In-House Reliability Testing
We eliminate switch failure risks before export using high/low temperature programmable climate chambers (-40°C to +120°C), automated dome force/deflection load testers, dynamic peel tension testers, contact resistance ohmmeters, and motorized pencil scratch hardness gauges for graphic overlays.
Frequently Asked Questions: Sourcing Metal Domes in Szeged
Direct technical answers addressing lead times, logistics, tariffs, and mechanical customization for Hungarian hardware engineers and purchasing managers.
What is the typical shipping lead time and DAP freight routing from China to Szeged?
For engineering prototypes and pilot batches (10 to 5,000 pcs), express air couriers (DHL Express, FedEx, UPS) deliver directly to facilities in Szeged or the Csongrád-Csanád logistics parks within 4 to 7 business days from factory dispatch. For high-volume mass production, we offer consolidated air freight into Budapest Ferenc Liszt International Airport (BUD) with bonded trucking forward to Szeged, as well as cost-effective multimodal rail (China-Europe Railway Express) arriving in 18 to 22 days.
How does Cevra handle European Union RoHS, REACH, and conflict mineral compliance?
All raw stainless steels (SUS301, SUS304), nickel/gold electroplating baths, spacer adhesives, and PET carrier tapes used in our products strictly comply with EU Directive 2011/65/EU (RoHS 2.0) and Regulation (EC) No 1907/2006 (REACH). Full chemical declaration dossiers, 3rd-party SGS lab test reports, and non-conflict mineral declarations are attached to every commercial export invoice.
Can you match specific actuation forces and tactile click profiles for proprietary PCBs?
Yes. Our engineering department uses computerized dome load force-deflection testing machines to simulate your exact switch feel. You can specify trip force (e.g., 220g ± 20g), click ratio percentage (40% to 65%), and physical depression travel. We provide initial free sample strips across multiple force gradations (e.g., 200g, 250g, 300g) so your Szeged-based R&D team can validate tactile feedback on prototype mechanical housings.
Should we purchase loose domes in bulk tape/reel or pre-assembled metal dome arrays?
If your Szeged production facility operates automated Surface Mount Technology (SMT) pick-and-place lines, our metal domes packaged in carrier tape & reel (compliant with EIA-481 standards) enable automated placement onto PCB pads. If you assemble keypads manually or require sealed, dust-proof layers, our custom single- or double-sided pre-spaced Metal Dome Arrays (on pre-cut 3M adhesive PET sheets) reduce assembly labor by up to 70% and prevent dome misalignment.
What files are required to initiate tooling and receive a formal quotation?
To provide a DFM (Design for Manufacturability) analysis and binding price quote within 24 hours, send your CAD vector files: DXF, DWG, or STEP for outline dimensions, dome centers, venting channels, and trace routing; vector PDF or AI files for graphic overlays; and your anticipated initial sample and annual mass production volumes.
Accelerate Your Szeged Hardware Project Today
Connect directly with our senior tooling engineers. We provide rapid DFM reviews, custom metal dome array layout suggestions, and no-obligation sample packs delivered directly to your desk.