OPTICAL-COMPONENT RETAINING MEMBER

• Main Authors: KIYOTA, Satoshi, SHINGU, Masamichi, SHIKATA, Kunihide, HIGA, Takehisa, WATADA, Kazuo
• Format: Patent
• Language: English; French; Japanese
• Published: 13.02.2020
• Subjects: ARTIFICIAL STONE; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; LIME, MAGNESIA; METALLURGY; REFRACTORIES; SLAG; TREATMENT OF NATURAL STONE

This optical-component retaining member is formed from an aluminum oxide-based ceramic containing an oxide of titanium represented by the composition formula TiO2-x(1 ≤ x <2). The total content of Fe, Ni, Co, Mn, and Cr is 260 mass ppm or less. Cet élément de retenue de composant optique est formé à partir d'une céramique à base d'oxyde d'aluminium contenant Un oxyde de titane représenté par la formule de composition TiO2-x(1 ≤ x <2). La teneur totale en Fe, Ni, Co, Mn et Cr est de 260 ppm en masse ou moins. 本開示の光学品の保持部材は、組成式がＴｉＯ2-x（１≦ｘ＜２）として示されるチタンの酸化物を含む酸化アルミニウム質セラミックスからなり、Ｆｅ、Ｎｉ、Ｃｏ、ＭｎおよびＣｒの合計の含有量が２６０質量ｐｐｍ以下である。