Free Sample Metal Dome Array Single Layer PET with Adhesive
Single-layer PET carrier film pre-loaded with precision 4-leg snap domes, optimized for SMT integration and low-profile handheld equipment.
OEM / ODM Catalog
Precision Tactile Membrane Switches & Metal Dome Arrays
Engineered for mission-critical reliability, satisfying DIN/EN industrial standards across the German capital and beyond.
Intelligent Membrane Switch Panel & Appliance Touch Interface
High-durability IP65-rated surface graphic overlay combined with capacitive touch sensor tracks, resistant to domestic detergents and moisture.
Electronic Film Circuit Waterproof Button Membrane Switch
Silver-conductive flexible printed PET circuit designed for cost-sensitive, high-cycle electronic control modules and water-resistant toys.
Custom White PET Waterproof Single-Layer SUS301 Dome Array
Precision tactile snap dome array with perimeter waterproofing adhesive and air-vent venting channels, purpose-built for Berlin remote device OEMs.
Matrix Membrane Switch Keypad Panel for Fuel Dispensers
Heavy-duty 3x3 and 4x5 matrix keypad configurations engineered for outdoor fueling stations, chemical exposure, and intensive user clicks.
Polycarbonate Film Screen-Printing Instrument Display Panel
Optical-clarity PC film with high-precision sub-surface silk-screen printing, transparent LCD windows, and anti-glare matte texturing.
Oval Metal Dome Array for Audio & Wearable Control Keys
Compact oblong/oval stainless steel snap domes providing crisp tactile feedback inside narrow wearable frames and modern consumer audio tech.
Laser-Engraved Stainless Steel & Aluminum Fascia Nameplates
Industrial-grade anodized aluminum and brushed stainless nameplates engineered to withstand harsh industrial environments across German machinery.
Engineering Whitepaper: Bridging China's Precision Manufacturing with Berlin's Industrial Ecosystem
The metropolitan region of Berlin-Brandenburg has rapidly transformed into a core European epicenter for advanced medical engineering (MedTech), clean energy mobility, smart rail traffic controls, and specialized laboratory automation. As Berlin hardware startups and established German Mittelstand system integrators demand higher circuit density, rugged ingress defense (IP67/DIN EN 60529), and unambiguous tactile confirmation, the technical requirements for Human-Machine Interfaces (HMI) have evolved beyond ordinary commodity keypads.
As an established ISO 9001-certified Chinese manufacturer and direct exporter based in Dongguan, Dongguan Cevra Electronic Technology Co., Ltd. (Cevra) supplies customized tactile metal dome membrane switches and custom dome arrays directly to procurement directors, hardware developers, and electronic contract manufacturers (EMS) across Berlin, Adlershof Technology Park, and surrounding industrial corridors.
Why Berlin Hardware Integrators Rely on Cevra Metal Dome Assemblies
Unlike elastomer-only or flat non-tactile touch interfaces, metal dome membrane switches incorporate cold-stamped stainless steel snap discs (SUS301 with selective nickel or gold plating) placed strategically above conductive printed circuitry. When pressed, the dome snaps downward, providing the operator with instantaneous, unmistakable mechanical tactile feedback—a critical safety parameter when operating medical ventilators in Charité-affiliated clinics, automated diagnostic test gear in Buch, or rail signaling consoles across regional transit networks.
| Engineering Attribute | Standard Commercial Grade | Cevra High-Reliability Industrial (Berlin Spec) |
|---|---|---|
| Dome Material & Plating | Raw Stainless Steel / Tin Flash | High-Yield SUS301 / Selective Gold (Au) or Pure Nickel (Ni) Plating |
| Actuation Life Cycle | 200,000 to 500,000 cycles | > 1,000,000 to 3,000,000 actuations (Tested via automated load fixtures) |
| Actuation Force Consistency | ± 50 gf Variance | Precision sorted: 160g, 220g, 280g, 350g, 420g (± 20 gf tight tolerance) |
| Overlay Base Material | Standard monomeric PVC or generic PC | Autotype MacDermid PET (XE/Autotex) or Lexan HP92W Polycarbonate |
| Environmental Defense | Basic splash proofing | Complete perimeter 3M 200MP/300LSE adhesive sealing; DIN EN 60529 IP65/IP67 |
Tailored Localization Scenarios in the Berlin-Brandenburg Industrial Sphere
Serving Berlin means catering to rigorous technical benchmarks where downtime is prohibited and regulatory compliance is mandatory. Our engineering export division regularly structures custom layer stack-ups for specific localized application sectors:
- Biomedical & Healthcare Diagnostics (Berlin-Buch Campus): For hospital monitors and cleanroom analytic gear, we deploy chemically inert Autotex PET overlays paired with anti-microbial treatments, capable of resisting hospital-grade disinfectant wipes (Isopropanol, bleach, ethanol) without cloudy hazing or ink degradation.
- Smart Mobility & EV Charging Infrastructure: Berlin’s rapid rollout of public charging columns demands UV-stabilized polycarbonate or weather-resistant polyester facings that operate smoothly between -40°C and +85°C without adhesive shear or dome oxidation.
- Laboratory Automation & Process Instrumentation (Adlershof Science Park): High-density matrix circuits (up to 4x5 or 8x8 configurations) embedded with surface-mounted miniature chip LEDs (0603/0805 packages) and precision light-guide films (LGF) delivering uniform backlight luminance across dim laboratory settings.
- Heavy Machinery & Industrial Controllers: Harsh workshop conditions where operators wear safety gloves. We supply 4-leg cross domes with central dimples that magnify tactile feedback through thicker embossed overlay films.
Factory Advantage
In-House Manufacturing Excellence Dedicated to European Buyers
Cevra integrates precision chemistry, screen printing, high-speed stamping, and optical inspection under one roof in Dongguan.
100% In-House Clean Production
From screen printing conductive silver ink to CCD optical drilling, laser die-cutting, and automatic dome taping, your components never bounce between sub-contractors.
Rigorous Quality Verification
Audited on-site by SGS Group and certified under ISO 9001. We maintain comprehensive lab verification including dome load curves, peel tension testers, and temperature chambers.
Direct Berlin Air & Sea Logistics
Standardized express logistics directly connecting Shenzhen/Hong Kong hubs to Berlin Brandenburg Airport (BER) within 3-5 days for urgent prototypes and series releases.
Procurement Guide
Frequently Asked Questions by Berlin & German Engineers
Practical insights into lead times, EU compliance, engineering drawings, and custom tooling.
Q1 How do you ensure compliance with EU environmental directives (RoHS, REACH)?
All raw materials sourced by Cevra—including polyester base sheets (Autotype/Toray), polycarbonates (Sabic Lexan), screen printing inks, conductive silver pastes, and 3M transfer adhesives—are accompanied by full RoHS 2.0 and REACH SVHC test certificates to satisfy strict German and European chemical regulations.
Q2 What CAD or vector files are required to start a custom tooling quote?
Berlin clients typically provide vector artwork in Adobe Illustrator (.AI), CorelDraw (.CDR), or Vector PDF format for the graphic overlay, alongside mechanical and trace routing files in AutoCAD (.DXF, .DWG) or STEP/IGES format for housing integration and tail pinout routing.
Q3 Can you provide prototypes before Berlin hardware startups commit to volume runs?
Yes. We specialize in fast-turn prototype batches (from as few as 10 to 50 pieces) utilizing digital flatbed UV printing and laser plotters, eliminating expensive steel rule die costs during early R&D phases and allowing rapid mechanical fit checks.
Q4 How is contact resistance maintained across millions of switch presses?
Our stainless steel metal domes are precision-formed using Japanese SUS301. For high-humidity or low-voltage sensitive logic circuits, we supply domes with selective nickel or immersion gold plating, ensuring contact resistance remains stably below 1.0 Ω over the switch life.
Q5 What connector interfaces do you provide on the flexible circuit tail?
We provide multiple termination options including 2.54mm pitch female Berg/DuPont housings, 1.00mm or 0.5mm pitch ZIF (Zero Insertion Force) bare flex fingers with polyimide stiffeners, or solderable male pins compatible with direct PCB insertion.
Q6 How do you handle shipping, customs clearance, and lead times to Berlin?
Tooling and prototypes are normally delivered within 7 to 10 working days; mass production takes approximately 12 to 18 working days. Express shipments travel via DHL, FedEx, or UPS directly to Berlin (BER) with full DDP (Delivered Duty Paid) or DAP trade terms.