Information on standard stock items (optical filters)

We sincerely apologize for the inconvenience, but we would like to inform you of our business hours and shipping schedule for this year's Golden Week as follows. We understand that this may cause some difficulties for our business partners, and we appreciate your understanding and cooperation. ■Closed Days: April 29, 2026 (Wednesday) and May 2, 2026 (Saturday) to May 6, 2026 (Wednesday) ■Shipping Start Date: May 7, 2026 (Thursday) <<Request>> Due to the current situation in the Middle East coinciding with the Golden Week, significant congestion is expected, which may disrupt transportation. Our company, Adachi Shin Sangyo Co., Ltd., is committed to taking the utmost care to minimize any inconvenience. We kindly ask for your understanding and consideration, and to handle your orders with ample lead time.

Sports are constantly evolving. The lightweighting of equipment, the high-strength of materials, form optimization through data analysis, and the high functionality of apparel—technological innovations for improving competitive performance are now spreading not only among top athletes but also across all sporting environments. In recent years, advancements in sensor technology and AI analysis have significantly shifted sports from "sensation" to "science." However, what underpins this transformation is, in fact, "light." Visibility, tracking, sensing, and presentation—all these aspects utilize light information, and it is optical thin film technology that influences their accuracy and comfort. Now, this "technology that controls light" is poised to unlock new possibilities in sports. It is not just a simple coating; it is an advanced spectral design technology that selects wavelengths, controls reflection, and blocks unwanted light. This technology enhances athletes' decision-making abilities, improves sensor accuracy, and serves as a foundational technology for optimizing the competitive environment itself. ◆ Enhancing athlete performance × Optical thin films ◆ Data sports × Optical filters ◆ Integration with biosensing ◆ Towards future sports devices For more details, please check our company website.

In the development of coating materials for semiconductors and functional chemicals, the evaluation of resistance to electromigration and ion migration has become an unavoidable and important theme. On the other hand, migration is not a phenomenon that can be simply determined by material properties alone. The differences in insulating films, protective films, and coating materials interact with wiring materials and current conditions in ways such as hygroscopicity, ion residue, barrier properties, dielectric characteristics, film thickness, film density, and interfacial adhesion, ultimately manifesting as wiring degradation or insulation breakdown. However, in actual evaluation settings: ◆ The wiring structure and material conditions differ with each evaluation. ◆ The effects of materials and structural factors cannot be separated. ◆ Reproducibility and comparability of evaluation results are difficult to achieve. For more details, please check our company website.

There are surprisingly many situations around us where half mirrors, which look like mirrors but actually allow light to pass through, are used. For example, they are essential optical components in smartphone facial recognition and car head-up displays. Half mirrors play a role in skillfully reflecting and transmitting light, delivering images and information more conveniently and precisely. This time, we have summarized the mechanism of half mirrors, their uses, and the future evolution of technology in an easy-to-understand manner that can be grasped in five minutes. 【1】What is a half mirror? 【2】Difference between half mirrors and magic mirrors 【3】Structure of half mirrors 【4】Applications of half mirrors 【5】Points to consider when selecting half mirrors 【6】Future prospects of half mirrors For more details, please visit our company website.