High-precision microparticles known as "High Presica" have the characteristics of "uniform particle size," "spherical shape," "high purity," and "adjustable hardness."
High Presica is a microparticle synthesized from high-purity silicon compounds. There are hard silica particles that excel in load resistance and soft organic-inorganic hybrid particles that do not scratch delicate substrates. The characteristics of High Presica include a very uniform particle size (monodisperse), a nearly spherical shape, and extremely high purity. Leveraging these features, it is used as a spacer in liquid crystal displays (LCDs) to maintain uniform thickness in the cells containing liquid crystal materials, making it an essential component for enhancing LCD resolution. Additionally, it is used in various fields such as spacers for adjusting adhesive layer thickness, high-performance resin fillers (for semiconductor encapsulation materials, etc.), and particles for high-performance film coatings. *For more details, please download the catalog.*
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【Features】 - The particle size is very uniform, capable of ranging from 0.2μm to 70μm. - It contains almost no impurities, with the content of radioactive elements such as uranium and thorium being extremely low at below 0.1ppb, indicating very high purity. It is also optimal as a gap spacer for liquid crystal displays, which dislike the elution of alkaline ions, and as a filler for semiconductor encapsulants, which are sensitive to soft errors. - Surface treatment with silane-based or titanate-based coupling agents is possible to impart functionality. Additionally, it can serve as a carrier for composite particle synthesis, allowing functional molecules to be bonded via surface silanol groups. - It is thermally very stable, showing almost no weight change in the temperature range of 200°C to 500°C. *We are conducting research and development towards new functionalities and high-value-added particles, such as larger particle sizes, particles with controllable refractive indices, porous particles, and hollow particles. *For more details, please contact Ube Eximo.
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Applications/Examples of results
Thickness adjustment spacer Spacer for liquid crystal displays (LCD) Spacer for organic EL (OLED) Spacer for touch panels High-performance resin filler for electronic materials (for semiconductor encapsulation materials, etc.) Filler for light diffusion (light diffusion film filler, coating materials, etc.) Raw materials for high-performance ceramics Other substrates and fillers for high-performance materials
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Company information
Ube Eximo (renamed on October 1, 2013; formerly Ube Nitto Kasei) has been a member of the Ube Industries Group since its establishment in 1966, delivering a variety of products to the world. Our lineup includes essential materials for optical communication cables, which are indispensable for broadband communication, as well as electronic materials such as spacers for liquid crystal displays and flexible copper-clad laminates. We also offer FRP products that are highly regarded in the agriculture, fisheries, and construction sectors, plastic cardboard widely used across various industries, and high-strength polypropylene fibers that are crucial for improving the performance of secondary batteries. Our products are said to have such a high level of recognition that there are few who are unaware of them in their respective fields. The source of our ability to create these products lies in our unwavering commitment to responding to our customers' desires for "what would be nice to have" through continuous improvement of our technical capabilities and relentless research and development. We intend to continue this spirit without wavering and to focus on creating new value utilizing our unique technologies.
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