JP2018052764A5 - - Google Patents

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Publication number
JP2018052764A5
JP2018052764A5 JP2016188861A JP2016188861A JP2018052764A5 JP 2018052764 A5 JP2018052764 A5 JP 2018052764A5 JP 2016188861 A JP2016188861 A JP 2016188861A JP 2016188861 A JP2016188861 A JP 2016188861A JP 2018052764 A5 JP2018052764 A5 JP 2018052764A5
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JP
Japan
Prior art keywords
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optical glass
tio
optical
zno
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JP2016188861A
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Japanese (ja)
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JP2018052764A (en
JP6973902B2 (en
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Publication date
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Priority to JP2016188861A priority Critical patent/JP6973902B2/en
Priority claimed from JP2016188861A external-priority patent/JP6973902B2/en
Priority to TW106132588A priority patent/TWI742161B/en
Priority to CN201710879897.3A priority patent/CN107867799A/en
Publication of JP2018052764A publication Critical patent/JP2018052764A/en
Publication of JP2018052764A5 publication Critical patent/JP2018052764A5/ja
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Publication of JP6973902B2 publication Critical patent/JP6973902B2/en
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Claims (7)

質量％で、
Ｂ２Ｏ３成分を７．０％以上３０．０％以下、
Ｌａ２Ｏ３成分を２５．０％以上５５．０％以下、
ＴｉＯ２成分を７．０％以上２５．０％以下、
ＢａＯ成分を６．０％超２７．０％以下
含有し、
ＺｎＯ成分の含有量が１６．０％以下であり、
１．８５以上の屈折率（ｎｄ）を有し、２５以上３５以下のアッベ数（νｄ）を有する光学ガラス。 In mass%,
7.0% or more and 30.0% or less of the B 2 O 3 component,
25.0% or more and 55.0% or less of La 2 O 3 ingredients,
7.0% or more and 25.0% or less of TiO 2 component,
Contains more than 6.0% and up to 27.0% of BaO ingredients,
The content of ZnO component is 16.0% or less,
An optical glass having a refractive index (n d ) of 1.85 or more and an Abbe number (ν d ) of 25 or more and 35 or less. 質量比ＴｉＯ２／ＳｉＯ２が１．００以上３．００以下である請求項１記載の光学ガラス。 Weight ratio TiO 2 / SiO 2 is 1.00 or more 3.00 or less is claim 1 Symbol placement of the optical glass. 質量比（ＴｉＯ２＋ＺｎＯ＋ＢａＯ）／Ｌａ２Ｏ３が１．５０以下である請求項１又は２記載の光学ガラス The optical glass according to claim 1 or 2, wherein the mass ratio (TiO 2 + ZnO + BaO) / La 2 O 3 is 1.50 or less. 質量比（Ｌｎ２Ｏ３＋ＴｉＯ２＋ＺｎＯ）／（ＳｉＯ２＋Ｂ２Ｏ３）が２．００以上５．００以下である請求項１から３のいずれか記載の光学ガラス（式中、ＬｎはＬａ、Ｇｄ、Ｙ、Ｙｂからなる群より選択される１種以上）。 The optical glass according to any one of claims 1 to 3 , wherein the mass ratio (Ln 2 O 3 + TiO 2 + ZnO) / (SiO 2 + B 2 O 3 ) is 2.00 or more and 5.00 or less. , Gd, Y, Yb). 請求項１から４のいずれか記載の光学ガラスからなるプリフォーム材。 The preform material which consists of an optical glass in any one of Claims 1-4 . 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６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 6 .
JP2016188861A 2016-09-27 2016-09-27 Optical glass, preforms and optics Active JP6973902B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2016188861A JP6973902B2 (en) 2016-09-27 2016-09-27 Optical glass, preforms and optics
TW106132588A TWI742161B (en) 2016-09-27 2017-09-22 Optical glass, preform and optical element
CN201710879897.3A CN107867799A (en) 2016-09-27 2017-09-26 A kind of optical glass, prefabricated component and optical element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2016188861A JP6973902B2 (en) 2016-09-27 2016-09-27 Optical glass, preforms and optics

Publications (3)

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JP2018052764A JP2018052764A (en) 2018-04-05
JP2018052764A5 true JP2018052764A5 (en) 2019-06-06
JP6973902B2 JP6973902B2 (en) 2021-12-01

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JP2016188861A Active JP6973902B2 (en) 2016-09-27 2016-09-27 Optical glass, preforms and optics

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JP7394523B2 (en) * 2018-10-11 2023-12-08 Hoya株式会社 Optical glass, glass materials for press molding, optical element blanks and optical elements
JP7194861B6 (en) * 2018-10-11 2024-02-06 Ｈｏｙａ株式会社 Optical glass, glass materials for press molding, optical element blanks and optical elements
JP7234454B2 (en) * 2022-10-04 2023-03-07 Hoya株式会社 Optical glass, glass materials for press molding, optical element blanks and optical elements

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7170488B2 (en) 2018-10-11 2022-11-14 Hoya株式会社 Optical glass, glass materials for press molding, optical element blanks and optical elements

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