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Laser light is used in LiDAR (Light Detection and Ranging) technology to measure distances and create three-dimensional photographs of the surroundings. The process of accurately aligning a system’s parts for optimum performance is known as active alignment. Any substance that is used to join materials together is considered an adhesive.
Active alignment adhesive in the context of LiDAR may refer to the glue used to affix the optical parts of a LiDAR system in order to guarantee their exact alignment. The LiDAR system may be exposed to high temperatures and adverse climatic conditions, so this adhesive must be able to survive them.
The glue that is used to install the LiDAR system to a vehicle or another platform is sometimes referred to as active alignment adhesive. To guarantee that the LiDAR system is properly fastened during use, this glue must offer a strong and long-lasting bond.
Overall, a number of variables, including the particular components being bonded, the environment, and the system performance requirements, influence the choice of an effective adhesive for LiDAR active alignment.
Global LiDAR active alignment adhesive market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2023 to 2030.
For use in joining LIDAR assemblies, camera modules, and other active alignment applications, Dymax has developed a line of cationic LED/UV-curing epoxy-based adhesives. These adhesives have a low temperature (80–85°C) thermal-cure feature that can be used to address shadow areas or as the main method of curing.
The physical and mechanical qualities of the cured product will be the same whether it is heated or UV/LED cured. Due to the presence of chain transfer agents, settings with high humidity (>70%) and basic substrates might slow down the pace of cationic polymerization.
The thermal initiator-free, LED/UV-curable only epoxy-based active alignment adhesives Dymax is developing are intended for situations that do not call for a dedicated secondary heat-cure step.
As a result, the adhesive will maintain its rapid curing/low shrink qualities for a longer period of time at room temperature and will have access to more curing options. When compared to other commercial products of a similar kind, Dymax active alignment adhesives require cold storage between 1 and 5°C and dry ice packaging for delivery.
The mechanical and physical characteristics of Dymax active alignment adhesives are compared to those of other well-known 1K active alignment epoxy systems available on the market in Table 1.
