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1. (WO2017002956) 光学ガラスおよび光学素子
国際事務局に記録されている最新の書誌情報   

Translation翻訳: 原文 > 日本語
国際公開番号:    WO/2017/002956    国際出願番号:    PCT/JP2016/069603
国際公開日: 05.01.2017 国際出願日: 01.07.2016
IPC:
C03C 3/068 (2006.01), G02B 1/00 (2006.01)
出願人: HOYA CORPORATION [JP/JP]; 6-10-1 Nishi-Shinjuku, Shinjuku-ku, Tokyo 1608347 (JP) (AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BE, BF, BG, BH, BJ, BN, BR, BW, BY, BZ, CA, CF, CG, CH, CI, CL, CM, CN, CO, CR, CU, CY, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, FR, GA, GB, GD, GE, GH, GM, GN, GQ, GR, GT, GW, HN, HR, HU, ID, IE, IL, IN, IR, IS, IT, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LV, LY, MA, MC, MD, ME, MG, MK, ML, MN, MR, MT, MW, MX, MY, MZ, NA, NE, NG, NI, NL, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SI, SK, SL, SM, SN, ST, SV, SY, SZ, TD, TG, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, UZ, VC, VN, ZA, ZM, ZW only).
SATO, Koichi [JP/JP]; (JP) (US only).
FUJIWARA, Yasuhiro [JP/JP]; (JP) (US only)
発明者: SATO, Koichi; (JP).
FUJIWARA, Yasuhiro; (JP)
代理人: MAEDA & SUZUKI; 8F, Iwanami Shoten Hitotsubashi Bldg., 5-5, Hitotsubashi 2-chome, Chiyoda-ku, Tokyo 1010003 (JP)
優先権情報:
2015-133731 02.07.2015 JP
発明の名称: (EN) OPTICAL GLASS AND OPTICAL ELEMENT
(FR) VERRE OPTIQUE ET ÉLÉMENT OPTIQUE
(JA) 光学ガラスおよび光学素子
要約: front page image
(EN)Provided is a glass or the like suited for producing, through precision press molding, an optical element having fine surface quality while contained amounts of Gd2O3 and Ta2O5 are reduced. In this optical glass, in terms of oxides, when the contained amount of glass components expressed in mass% is represented as C(SiO2), C(B2O3), or the like, when the chemical formula weight of each component is represented as M(SiO2), M(B2O3), or the like, and when A1=-550C(SiO2)-500C(B2O3)-450C(Al2O3)+100C(Li2O)-280C(Na2O)-300C(K2O)-300C(MgO)-100C(SrO)+50C(ZnO)+200C(La2O3)+150C(Gd2O3)+250C(Y2O3)+250C(ZrO2)+400C(Nb2O5)+300C(WO3), A2=0.4C(SiO2)+0.8C(B2O3)+0.1C(Al2O3)-0.3C(Li2O)-0.5C(Na2O)-0.5C(K2O)-0.3C(MgO)-0.2C(CaO)-0.3C(SrO)-0.05C(BaO)-0.6C(ZnO)-0.2C(La2O3)-0.2C(Gd2O3)-0.2C(Y2O3)-C(ZrO2)-2C(Nb2O5)-2C(WO3), A3=20C(Li2O)+12C(Na2O)+10C(K2O)+2C(ZnO)-2C(BaO)-3C(SiO2)-3C(B2O3)-3C(ZrO2)-C(Ta2O5)-2C(Al2O3), and A4=2×{C(B2O3)/M(B2O3)}×[{C(MgO)/M(MgO)}+{C(CaO)/M(CaO)}+{C(SrO)/M(SrO)}+{C(BaO)/M(BaO)}+2×{C(Li2O)/M(Li2O)}+2×{C(Na2O)/M(Na2O)}+2×{C(K2O)/M(K2O)}]/[{C(SiO2)/M(SiO2)}+2×{C(Al2O3)/M(Al2O3)}+2×{C(La2O3)/M(La2O3)}+2×{C(Gd2O3)/M(Gd2O3)}+2×{C(Y2O3)/M(Y2O3)}+{C(ZrO2)/M(ZrO2)}+{C(ZnO)/M(ZnO)}+2×{C(Nb2O5)/M(Nb2O5)}] are defined, A1 ranges between -18000 to -7000, A2 ranges between -1 to 15, A3 is -64 or more, A4 is 0.58 or less, C(BaO) is 10 or less, C(Gd2O3) is 4 or less, and C(Ta2O5) is less than 3.
(FR)L'invention concerne un verre ou analogue, approprié à la production, à travers un procédé par moulé-pressé -pression de précision, d'un élément optique possédant une qualité de surface fine, et qui en même temps permet de réduire les quantités contenues de Gd2O3 et Ta2O5. Dans ce verre optique, en termes d'oxydes, lorsque la quantité contenue des composants du verre exprimée en % massique est représentée par C(SiO2), C(B2O3), ou analogue, lorsque le poids de la formule chimique de chaque composant est représenté par M(SiO2), M(B2O3), ou analogue, et lorsque A1 = -550C(SiO2)-500 C(B2O3)-450C(Al2O3)+100C(Li2O)-280C(Na2O)-300C(K2O) à 300C(MgO)-100C(SrO)+50C(ZnO)+200C(La2O3)+150C(Gd2O3)+250C(Y2O3)+250C(ZrO2)+400C(Nb2O5)+300C(WO3), A2 = 0,4C(SiO2)+0,8C(B2O3)+0,1C(Al2O3)-0,3C(Li2O)-0,5C(Na2O)-0,5C(K2O)-0,3C(MgO)-0,2C(CaO)-0,3C(SrO)-0,05C(BaO)-0,6C(ZnO)-0,2C(La2O3)-0,2C(Gd2O3)-0,2C(Y2O3)-C(ZrO2)-2C(Nb2O5)-2C(WO3), A3 = 20C(Li2O)+12C(Na2O)+10C(K2O)+2C(ZnO)-2C(BaO)-3C(SiO2)-3C(B2O3)-3C(ZrO2)-C(Ta2O5)-2C(Al2O3), et A4 = 2×{C(B2O3)/M (B2O3)}×[{C(MgO)/M(MgO)}+{C(CaO)/M(CaO)}+{C(SrO)/M(SrO)}+{C(BaO)/M(BaO)}+2×{C(Li2O)/M(Li2O)}+2x{C(Na2O)/M(Na2O)}+2×{C(K2O)/M(K2O)}]/[{C(SiO2)M(SiO2)}+2×{C(Al2O3)/M(Al2O3)}+2×{C(La2O3)/M(La2O3)}+2×{C(Gd2O3)/M(Gd2O3)}+2×{C(Y2O3)/M (Y2O3)}+{C(ZrO2)/M(ZrO2)}+{C(ZnO)/M(ZnO)}+2×{C(Nb2O5)/M(Nb2O5)}] sont définis, A1 est compris entre -18000 à -7000, A2 est compris entre -1 à 15, A3 est -64 ou plus, A4 est 0,58 ou moins, C(BaO) est 10 ou moins, C(Gd2O3) est 4 ou moins, et C(Ta2O5) est inférieur à 3.
(JA)Gd23、Ta25 の含有量を低減しつつ、精密プレス成形により、表面の品質の良い光学素子の製造に適したガラス等を提供すること。酸化物基準において、質量%表示によるガラス成分の含有量をそれぞれC(SiO2)、C(B23)等とし、各成分の化学式量をM(SiO2)、M(B23)等とし、A1=-550C(SiO2)-500C(B23)-450C(Al23)+100C(Li2O)-280C(Na2O)-300C(K2O)-300C(MgO)-100C(SrO)+50C(ZnO)+200C(La23)+150C(Gd23)+250C(Y23)+250C(ZrO2)+400C(Nb25)+300C(WO3)、A2=0.4C(SiO2)+0.8C(B23)+0.1C(Al23)-0.3C(Li2O)-0.5C(Na2O)-0.5C(K2O)-0.3C(MgO)-0.2C(CaO)-0.3C(SrO)-0.05C(BaO)-0.6C(ZnO)-0.2C(La23)-0.2C(Gd23)-0.2C(Y23)-C(ZrO2)-2C(Nb25)-2C(WO3)、A3=20C(Li2O)+12C(Na2O)+10C(K2O)+2C(ZnO)-2C(BaO)-3C(SiO2)-3C(B23)-3C(ZrO2)-C(Ta25)-2C(Al23)、A4=2×{C(B23)/M(B23)}×[{C(MgO)/M(MgO)}+{C(CaO)/M(CaO)}+{C(SrO)/M(SrO)}+{C(BaO)/M(BaO)}+2×{C(Li2O)/M(Li2O)}+2×{C(Na2O)/M(Na2O)}+2×{C(K2O)/M(K2O)}]/[{C(SiO2)/M(SiO2)}+2×{C(Al23)/M(Al23)}+2×{C(La23)/M(La23)}+2×{C(Gd23)/M(Gd23)}+2×{C(Y23)/M(Y23)}+{C(ZrO2)/M(ZrO2)}+{C(ZnO)/M(ZnO)}+2×{C(Nb25)/M(Nb25)}]、 としたとき、A1が-18000以上かつ-7000以下、A2が-1以上15以下、A3が-64以上、A4が0.58以下、C(BaO)が10以下、C(Gd23)が4以下、C(Ta25)が3未満、である光学ガラス。
指定国: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
アフリカ広域知的所有権機関(ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
ユーラシア特許庁(EAPO) (AM, AZ, BY, KG, KZ, RU, TJ, TM)
欧州特許庁(EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
アフリカ知的所有権機関(OAPI) (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG).
国際公開言語: Japanese (JA)
国際出願言語: Japanese (JA)