optical coating Coated articles with optical coatings having residual compressive stress

• Main Authors: PAULSON CHARLES ANDREW, PRICE JAMES JOSEPH, HART SHANDON DEE, HU GUANGLI
• Format: Patent
• Language: English; Korean
• Published: 16.03.2023
• Subjects: CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS; CHEMISTRY; GLASS; JOINING GLASS TO GLASS OR OTHER MATERIALS; METALLURGY; MINERAL OR SLAG WOOL; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS; SURFACE TREATMENT OF GLASS

코팅된 제품은 주 표면을 갖는 기판, 및 상기 기판의 주 표면 상에 배치되는 광학 코팅을 포함한다. 광학 코팅의 적어도 일부는 약 50 MPa 이상의 잔류 압축 응력을 포함한다. 상기 코팅된 제품은 링-온-링 인장 시험 절차에 의해 측정 시 약 0.5% 이상의 변형-대-결함을 갖는다. 상기 코팅된 제품은 약 80 % 이상의 평균 명순응 투과율을 갖는다. A coated article includes a substrate having a major surface, and an optical coating disposed on the major surface of the substrate. At least a portion of the optical coating includes a residual compressive stress of about 50 MPa or more. The coated article has a strain-to-failure of about 0.5% or more as measured by a Ring-on-Ring Tensile Testing Procedure. The coated article has an average photopic transmission of about 80% or greater.