Touch + Coverlens
Robust, precise, versatile.
Projected Capacitive Touch (PCAP) is the first choice for accurate, durable user interfaces. Combined with a stable cover lens, solutions are created that meet the highest technical and visual requirements.
Tailor-made
A PCAP touch with cover lens can be flexibly adapted to your requirements through targeted selection of controller, cover lens properties and housing integration.
We support you in selecting the appropriate components.
Functional principle
The heart of PCAP.
The PCAP sensor consists of a grid of capacitive electrodes. When fingers or conductive objects influence the electric field, the touch controller detects the smallest changes in capacitance.
Multi Touch
recognizes various gestures such as zooming, rotating, swiping
High Precision
even with fast operation
Robustness
works even in harsh environments thanks to glass/plastic cover
Best Practices
Environments with Strong Electrical Interference, Such as in Mechanical Engineering
Controllers with high signal-to-noise ratio (SNR) and flexible filtering
Medical Technology or Public Terminals
optimized firmware that also reliably supports operation with gloves
Touch controller
Fine-tuning for every application.
Modern controllers offer you extensive setting options.
- SNR adjustment: Optimization against EMC interference or thick cover glasses
- Glove + Water Mode: Use with gloves or in wet conditions
- Firmware profiles: specific parameters for industry requirements
Best Practices
Outdoor
high sensitivity + strong filtering against rain and water influence
Industrial Panels
EMC-robust parameterization with simultaneously high interference resistance
Coverlens
The protective and design layer.
The cover lens is a key factor in determining durability, ease of use and visual quality.
Material
chemically or thermally hardened glass, alternatively plastic (polycarbonate, PMMA) in various thicknesses
1.1–2 mm: Standard Consumer + Indoor
3–4 mm: Industry, impact-resistant
5–6 mm: Outdoor, vandal-proof
Surface Treatments
AR (Anti-Reflection): high readability in sunlight
AG (Anti-Glare): diffuse reflection, good viewing angle stability
AF (Anti-Fingerprint): easy cleaning, high-quality feel
IK Class
Protection against mechanical stress
e.g. IK07 for 2 joules impact resistance, IK10 for extreme vandalism requirements
Best Practices
Medical Technology
thin, chemically hardened glass (≤ 2 mm) with AF coating for easy disinfection
Outdoor
4–6 mm thermally pre-stressed glass with AR/AG coating and IK08 or IK10 classification
Quality advantage
PCAP is more than just the input technology: it is one of the decisive features for the high quality and longevity of your end product.
- Engineers benefit from optimized EMC interference resistance, SNR parameterization and material options.
- Purchasers can make clear cost-benefit analyses based on cover lens thickness, IK/IP classes and manufacturing options.
- Product managers receive a clear roadmap of which technologies deliver the best combination of robustness, performance and design for their target markets.
Housing integration
Stability and tightness.
The cover lens must be securely connected to the housing without impairing function and appearance.
Bonding
double-sided high-performance films or liquid adhesives (LOCA) for high tightness
Material Selection
Plastic housing: light + inexpensive, but pay attention to expansion with temperature
Metal housing: high stability + EMC protection
IP Protection
IP54: Protection against dust and splash water – Standard Indoor
IP65: Protection against dust and jet water – Industry + Outdoor
IP67: Complete dust protection and temporary submersion – Automotive + Medical technology
Best Practices
Automotive
Metal housing with IP65, EMC-optimized
Kiosk Systems
Plastic housing with structured seals, IP67, vandal-proof bonding
Industrial Automation
Metal or hybrid housing with IP65, focus on temperature and vibration resistance
Your desired display?
Get non-binding and competent advice – from the selection of individual components to the implementation of complete systems.
