JP2018008851A5 - - Google Patents

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JP2018008851A5
JP2018008851A5 JP2016139509A JP2016139509A JP2018008851A5 JP 2018008851 A5 JP2018008851 A5 JP 2018008851A5 JP 2016139509 A JP2016139509 A JP 2016139509A JP 2016139509 A JP2016139509 A JP 2016139509A JP 2018008851 A5 JP2018008851 A5 JP 2018008851A5
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component
components
optical glass
glass according
mass
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JP2016139509A
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Japanese (ja)
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JP2018008851A (en
JP6910702B2 (en
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Claims (6)

酸化物換算組成の質量％で、
Ｂ２Ｏ３成分 １０．０〜４０．０％、
Ｌａ２Ｏ３成分 １５．０〜５０．０％、
ＺｎＯ成分 １０．０〜４５．０％
であり、
酸化物基準での質量和（Ｌａ２Ｏ３＋Ｙ２Ｏ３＋ＺｎＯ）が３０．０〜８０．０％であり、屈折率（ｎｄ）が１．７５〜１．８８であり、アッベ数（νｄ）が３５〜４５であることを特徴とする光学ガラス。 In mass% of oxide conversion composition,
B 2 O 3 components 10.0 to 40.0%,
La 2 O 3 components 15.0 to 50.0% ,
ZnO component 10.0 to 45.0%
And
The mass sum (La 2 O 3 + Y 2 O 3 + ZnO) on an oxide basis is 30.0 to 80.0%, the refractive index (nd) is 1.75 to 1.88, and the Abbe number (νd) ) Is 35-45, Optical glass characterized by the above-mentioned. 酸化物換算組成の質量％で、
ＳｉＯ２成分 ０〜１５．０％、
ＺｒＯ２成分 ０〜１５．０％、
Ｎｂ２Ｏ５成分 ０〜２０．０％、
ＷＯ３成分 ０〜２０．０％、
Ｙ ２ Ｏ ３ 成分 ０〜２０．０％、
Ｇｄ ２ Ｏ ３ 成分 ０〜２０．０％、
Ｙｂ ２ Ｏ ３ 成分 ０〜２０．０％、
ＭｇＯ成分 ０〜１５．０％、
ＣａＯ成分 ０〜１５．０％、
ＳｒＯ成分 ０〜１５．０％、
ＢａＯ成分 ０〜２０．０％、
Ｌｉ ２ Ｏ成分 ０〜１０．０％、
Ｎａ ２ Ｏ成分 ０〜５．０％、
Ｋ ２ Ｏ成分 ０〜５．０％、
ＴｉＯ ２ 成分 ０〜１０．０％、
Ｂｉ ２ Ｏ ３ 成分 ０〜１０．０％、
Ｐ ２ Ｏ ５ 成分 ０〜１０．０％、
Ｔａ ２ Ｏ ５ 成分 ０〜１０．０％、
Ａｌ ２ Ｏ ３ 成分 ０〜１０．０％、
Ｇａ ２ Ｏ ３ 成分 ０〜１０．０％、
ＧｅＯ ２ 成分 ０〜１０．０％、
ＴｅＯ ２ 成分 ０〜１５．０％、
ＳｎＯ ２ 成分 ０〜３．０％及び
Ｓｂ ２ Ｏ ３ 成分 ０〜３．０％
である請求項１記載の光学ガラス。 In mass% of oxide conversion composition,
SiO 2 component 0 to 15.0%,
ZrO 2 component 0 to 15.0% ,
Nb 2 O 5 component from 0 to 20.0%,
WO 3 component 0 to 20.0% ,
0 to 20.0% of Y 2 O 3 components,
0 to 20.0% of Gd 2 O 3 components,
0 to 20.0% of Yb 2 O 3 component,
0 to 15.0% of MgO component,
0 to 15.0% of CaO ingredients,
0 to 15.0% of SrO component,
0 to 20.0% of BaO ingredients,
Li 2 O component 0 to 10.0%,
0 to 5.0% of Na 2 O component,
K 2 O component 0 to 5.0%,
TiO 2 component 0 to 10.0%,
Bi 2 O 3 component 0 to 10.0%,
P 2 O 5 components 0 to 10.0%,
Ta 2 O 5 components 0 to 10.0%,
Al 2 O 3 component 0 to 10.0%,
Ga 2 O 3 component 0 to 10.0%,
GeO 2 component 0 to 10.0%,
0 to 15.0% of TeO 2 ingredients,
0 to 3.0% of SnO 2 component and
Sb 2 O 3 component 0 to 3.0%
The optical glass according to claim 1, which is 酸化物換算組成の質量比（Ｌａ２Ｏ３＋Ｙ２Ｏ３＋Ｎｂ２Ｏ５＋ＷＯ３）／（Ｂ２Ｏ３＋ＺｎＯ）が３．００以下である請求項１から２のいずれか記載の光学ガラス。 The optical glass according to any one of claims 1 to 2 , wherein the mass ratio (La 2 O 3 + Y 2 O 3 + Nb 2 O 5 + WO 3 ) / (B 2 O 3 + ZnO) of the oxide conversion composition is 3.00 or less. . 請求項１から３のいずれか記載の光学ガラスからなるプリフォーム材。 A preform material comprising the optical glass according to any one of claims 1 to 3 . 請求項１から４のいずれか記載の光学ガラスからなる光学素子。 An optical element comprising the optical glass according to any one of claims 1 to 4 . 請求項５に記載の光学素子を備える光学機器。 An optical apparatus comprising the optical element according to claim 5 .
JP2016139509A 2016-07-14 2016-07-14 Optical glass, preform materials and optical elements Active JP6910702B2 (en)

Priority Applications (1)

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JP2016139509A JP6910702B2 (en) 2016-07-14 2016-07-14 Optical glass, preform materials and optical elements

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Application Number Priority Date Filing Date Title
JP2016139509A JP6910702B2 (en) 2016-07-14 2016-07-14 Optical glass, preform materials and optical elements

Publications (3)

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JP2018008851A JP2018008851A (en) 2018-01-18
JP2018008851A5 true JP2018008851A5 (en) 2019-06-13
JP6910702B2 JP6910702B2 (en) 2021-07-28

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020050567A (en) * 2018-09-28 2020-04-02 日本山村硝子株式会社 Optical glass

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