Nuvoton Unveils a High-Power Violet Laser Diode
Nuvoton Technology Corporation Japan (NTCJ) has reached a pivotal milestone in optical technology with the announcement of its latest product: a high-power violet laser diode that operates at 402 nm and generates an output power of 4.5 W. This innovative addition, set to commence mass production in May 2026, is notably 1.5 times more powerful than NTCJ's earlier models, effectively positioning itself as a leader in the industry.
Advancements in Laser Technology
The new violet laser diode achieves remarkable optical output in a compact 9.0 mm diameter CAN package (TO-9). NTCJ’s proprietary device structure and advanced heat dissipation designs are crucial innovations that enable such high performance. These technologies mitigate self-heating issues commonly associated with violet diodes, ensuring higher reliability and efficiency in prolonged use.
The launch of this diode is particularly significant for enhancing production throughput in optical equipment, including maskless lithography systems critical to modern semiconductor manufacturing processes. These systems directly implement wiring patterns using design data, resulting in reduced costs and development time while maintaining high precision.
Enhancing Semiconductor Packaging
As artificial intelligence demand surges, the semiconductor packaging sector is expanding rapidly. NTCJ's latest laser diode complements this need, supporting various photosensitive materials essential for advanced packaging solutions. By adding this new diode to its lineup, NTCJ reinforces its commitment to providing cutting-edge solutions in an evolving market environment.
Previously, NTCJ released a 379 nm high-power ultraviolet laser diode, and now it is augmenting its product portfolio with the 402 nm laser, thus covering both i-line and h-line applications. This expansion not only pushes technological boundaries but also meets the increasing demand for higher optical outputs to enhance operational throughput in industrial applications.
Market Applications of the Violet Laser Diode
The versatility of the 4.5 W high-power violet laser diode extends beyond semiconductor packaging. It opens avenues for applications in photocuring, 3D printing, sensing technologies, and biomedical fields. By providing a new source of h-line light, it aids in improving process efficiency across these domains.
Moreover, NTCJ's initiative to establish semiconductor laser options as alternatives to traditional mercury lamps paves the way for sustainable solutions in optical applications. The implications of this innovation underscore a movement toward greener technologies in the industry.
Upcoming Demonstration at OPIE '26
NTCJ will showcase the high-power violet laser diode at its booth during the OPTICS PHOTONICS International Exhibition (OPIE '26), taking place from April 22 to April 24, 2026, in Yokohama, Japan. This event will provide industry professionals an opportunity to see the product’s capabilities firsthand and understand its potential impact on the sector.
For more detailed information about this groundbreaking product, visit
Nuvoton's official site. Nuvoton continues to lead the way in semiconductor solutions, promising innovative advancements for future technologies.