Repainting work for the integrating sphere, 60 inches φ1.5m.

It is possible to create an integrating sphere coating that is strong, uniform, and has a high reflectance. It is also possible to create a white reflective surface using 100% barium sulfate without using a binder.

**Overview** An integrating sphere is a measurement tool used to assess the optical characteristics of light sources. It is composed of a diffusely reflective surface with high reflectivity on the inner surface of the sphere, which allows the light emitted from the light source to be reflected multiple times within the sphere. This process stabilizes the illuminance on the walls of the sphere and enables the measurement of the optical characteristics of the light source by photometry of a portion of the light. Therefore, the reflective coating on the inner surface of the integrating sphere is particularly important. **Features** ◎ BaSO4 reflective surface with uniform and high reflectivity. ◎ Capable of regeneration and maintenance in case the diffuse surface becomes contaminated or deteriorated. ◎ Painting of integrating sphere accessories such as support bases and sockets is also possible. ◎ Has mechanical strength that can withstand mechanical vibrations. ◎ Excellent robustness, long-term stability, and weather resistance even in production environments. ◎ Also supports repainting of integrating spheres from other companies that have deteriorated. **Painting Process** Pre-painting inspection (physical properties such as material, structure, flatness, etc.) ⇒ Reflectivity measurement under condition d(8/di) (for repainted integrating sphere) ⇒ Pre-treatment (rust prevention treatment, flatness treatment, etc.) ⇒ Painting work (at our factory/customer site) ⇒ Reflectivity measurement under condition d(8/di) ⇒ Submission of "Reflectivity Inspection Report."

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