Henkel launches Loctite 3296 for assembly of high-performance ADAS sensors

Düsseldorf / Germany – Advanced driver assistance systems (ADAS) increasingly rely on high-resolution cameras that can focus more accurately. To ensure driver safety, the reliability of these cameras and LiDAR systems is crucial. To meet the demands of this growing market, Henkel is developing new adhesives for lens bonding in ADAS sensors.

Recently, the company has introduced Loctite 3296, a new dual-cure adhesive, as part of its range of active alignment adhesives for ADAS sensors. This new product is designed to bond well to aluminum and FR4, and can achieve a very high cure depth within just a few seconds of exposure to UV light.

In the active-alignment assembly process, the optical components are positioned and fine-tuned for optimal focus before being cured in place. This process allows for six degrees of freedom in the alignment process, with an accuracy of 100 nanometers. This is in contrast to a threaded lens barrel, which can only be adjusted in the z-direction.

According to Rodrigo Aguilar, ADAS Business Development Manager at Henkel, “ADAS sensors must provide high-resolution images and perform with superior reliability in harsh environments for the lifespan of the vehicle.” Loctite 3296 and Loctite Ablestik NCA 3218, which was launched earlier this year, are both dual-cure adhesives (UV & thermal) that meet a variety of assembly requirements through their respective adhesive performance characteristics. These adhesives are free of antimony, CMT or SVHC substances, and do not contain any toxic ingredients.

In summary, Henkel’s Loctite 3296 and Loctite Ablestik NCA 3218 are new adhesives specifically designed to meet the demands of advanced driver assistance systems (ADAS). These dual-cure adhesives provide high-resolution images, superior reliability and long-term durability, and are also environmentally friendly.

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