ensing Without Boundaries, Envisioning the Future – 
SUNA at the Shenzhen International Sensor & Application Technology Exhibition

From March 31 to April 2, 2025, SUNA showcased its infrared silicon lenses and a series of silicon windows for infrared core packaging at the Shenzhen International Sensor & Application Technology Exhibition. Suna's wafer-level optical lenses and silicon windows for infrared core packaging feature high-precision arraying, miniaturization, and metallization — meeting wafer-level bonding packaging requirements and leading the future trend of infrared sensors.

I. Infrared Silicon Lenses–High Precision, High Transmittance, Superior Performance

Infrared silicon lenses, with their high precision, high transmittance, and superior performance, are widely used in the following applications:
1. Non-Contact Temperature Measurement & Long-Distance Sensing
When combined with thermopiles, silicon lenses significantly improve temperature measurement accuracy and sensing distance, meeting the demands of non-contact temperature measurement applications.
2. Smart Wearables & Body Temperature Monitoring
Miniaturized silicon lenses, integrated with high-precision MEMS temperature sensing chips, enable complex functional components to be "packed" into compact wearable devices, achieving highly accurate body temperature monitoring.
3. Lens +Window – Integrating Optics and Packaging to Meet Miniaturization Demands
Suna ingeniously combines the lens and window into a single component, satisfying customer requirements for miniaturization and simplified process steps.
4. Spacer + Silicon Window – Enabling Wafer Bonding Requirements
The combination of a metallized silicon spacer and a silicon window meets customer demands for wafer bonding. The spacer provides the necessary packaging cavity, while the silicon window ensures hermeticity and high transmittance for infrared wavelengths.

II. Client Application Scenarios

1. Intelligent Driving & In-Vehicle Perception
Used in automotive infrared cameras to enhance environmental perception at night, in fog, and under adverse weather conditions, providing reliable support for autonomous driving technologies.
2. Security Surveillance & Public Safety
Integrated into infrared thermal imaging devices to achieve 24/7, high-precision target identification and monitoring. Widely used in border protection, urban security surveillance, and other applications.
3. Consumer Electronics & Smart Home
Applied in smartphones, smart door locks, smart home appliances, and other devices, driving the adoption and advancement of infrared sensing technology across the consumer electronics sector.
4. Industrial Inspection & Automation
Used in industrial machine vision systems to support high-precision infrared imaging, improving production efficiency and product quality.
5. Medical Health & Life Sciences
Used in infrared medical devices to support non-invasive testing, body temperature monitoring, and accurate diagnosis — driving technological innovation in the medical health field.
6. Aerospace & Defense Technology
In the aerospace sector, used in infrared detection and imaging systems to enhance target identification and tracking capabilities.
With the continuous advancement of infrared silicon lens technology, strong support is also being provided for infrared sensing applications across a broader range of fields. Looking ahead, driven by ongoing technological innovation and growing market demand, infrared silicon lenses will play an increasingly important role in the intelligent era.

SUNA
2025.4.1