JP2016013971A5 - - Google Patents

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JP2016013971A5
JP2016013971A5 JP2015201077A JP2015201077A JP2016013971A5 JP 2016013971 A5 JP2016013971 A5 JP 2016013971A5 JP 2015201077 A JP2015201077 A JP 2015201077A JP 2015201077 A JP2015201077 A JP 2015201077A JP 2016013971 A5 JP2016013971 A5 JP 2016013971A5
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glass
content
mol
whose
tio
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JP2015201077A
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JP2016013971A (en
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Priority to JP2015201077A priority Critical patent/JP2016013971A/en
Priority claimed from JP2015201077A external-priority patent/JP2016013971A/en
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Claims (15)

Ｐ２Ｏ５の含有量が７〜４０モル％であり、
ＴｉＯ ２ の含有量が１モル％以上であって、
下記式（１）に示すβＯＨの値が、下記式（２）で表される関係を満足するガラス。
βＯＨ＝−［ｌｎ（Ｂ／Ａ）］／ｔ ・・・（１）
βＯＨ≧１８１．３９×ｎｄ−３−３２５．７５×ｎｄ−２＋１９４．８５×ｎｄ−１−３８．１ ・・・（２）
〔式（１）中、ｔは外部透過率の測定に用いる前記ガラスの厚み（ｍｍ）を表し、Ａは前記ガラスに対してその厚み方向と平行に光を入射した際の波長２５００ｎｍにおける外部透過率（％）を表し、Ｂは前記ガラスに対してその厚み方向と平行に光を入射した際の波長２９００ｎｍにおける外部透過率（％）を表す。また、ｌｎは自然対数である。式（２）中、ｎｄは、前記ガラスの屈折率を表す。〕 The content of P 2 O 5 is 7 to 40 mol%,
The content of TiO 2 is 1 mol% or more,
Glass in which the value of βOH represented by the following formula (1) satisfies the relationship represented by the following formula (2).
βOH = − [ln (B / A)] / t (1)
βOH ≧ 181.39 × nd −3 −325.75 × nd −2 + 194.85 × nd −1 −38.1 (2)
[In formula (1), t represents the thickness (mm) of the glass used for measurement of external transmittance, and A represents external transmission at a wavelength of 2500 nm when light is incident on the glass in parallel with the thickness direction. B represents the external transmittance (%) at a wavelength of 2900 nm when light is incident on the glass in parallel to the thickness direction. In is a natural logarithm. In formula (2), nd represents the refractive index of the glass. ] Ｐ  P ２2 ＯO ５5 、ＳｉＯ, SiO ２2 、Ｂ, B ２2 ＯO ３3 、ＴｉＯTiO ２2 、Ｎｂ, Nb ２2 ＯO ５5 、ＷＯ, WO ３3 、Ｂｉ, Bi ２2 ＯO ３3 、ＭｇＯ、ＣａＯ、ＳｒＯ、ＢａＯ、ＺｎＯ、ＬｉMgO, CaO, SrO, BaO, ZnO, Li ２2 Ｏ、ＮａO, Na ２2 Ｏ、ＫO, K ２2 Ｏ、ＡｌO, Al ２2 ＯO ３3 、ＺｒＯ, ZrO ２2 、ＧｅＯ, GeO ２2 、ＴｅＯ, TeO ２2 、Ｓｂ, Sb ２2 ＯO ３3 の合計含有量が９０モル％以上である、請求項１に記載のガラス。The glass of Claim 1 whose total content of is 90 mol% or more. ガラス転移温度Ｔｇが５４１℃以上である、請求項１または２に記載のガラス。  The glass of Claim 1 or 2 whose glass transition temperature Tg is 541 degreeC or more. ガラス成分として、ＴｉＯ  TiO as glass component ２2 、Ｎｂ, Nb ２2 ＯO ５5 、ＷＯ, WO ３3 およびＢｉAnd Bi ２2 ＯO ３3 から選択される少なくともいずれか１種の酸化物を含み、Comprising at least one oxide selected from
前記ＴｉＯ  TiO ２2 、Ｎｂ, Nb ２2 ＯO ５5 、ＷＯ, WO ３3 およびＢｉAnd Bi ２2 ＯO ３3 の合計含有量が２０モル％以上である請求項１〜３のいずれかに記載のガラス。The glass according to claim 1, wherein the total content of is 20 mol% or more. 貴金属の含有量が、４ｐｐｍ以下である請求項１〜４のいずれかに記載のガラス。  The glass according to any one of claims 1 to 4, wherein the noble metal content is 4 ppm or less. モル％表示における、前記Ｐ  Said P in mol% display ２2 ＯO ５5 の含有量が、ＢThe content of B is B ２2 ＯO ３3 の含有量よりも大きい、請求項１〜５のいずれかに記載のガラス。The glass in any one of Claims 1-5 larger than content of. Ｎｂ  Nb ２2 ＯO ５5 の含有量が５モル％以上である、請求項１〜６のいずれかに記載のガラス。The glass in any one of Claims 1-6 whose content of is 5 mol% or more. 前記Ｐ  P ２2 ＯO ５5 の含有量が３５モル％以下である、請求項１〜７のいずれかに記載のガラス。The glass in any one of Claims 1-7 whose content of is 35 mol% or less. モル％表示で、ＳｉＯ  In mol%, SiO ２2 の含有量が０％以上、ＰContent of 0% or more, P ２2 ＯO ５5 の含有量（Ｍ）の０．８倍以下である、請求項１〜８のいずれかに記載のガラス。The glass in any one of Claims 1-8 which is 0.8 times or less of content (M). ＢａＯ、ＳｒＯ、ＣａＯ、ＭｇＯおよびＺｎＯの合計含有量が０〜３２モル％である、請求項１〜９のいずれかに記載のガラス。  The glass in any one of Claims 1-9 whose sum total content of BaO, SrO, CaO, MgO, and ZnO is 0-32 mol%. Ｂｉ  Bi ２2 ＯO ３3 の含有量が０〜３５モル％である、請求項１〜１０のいずれかに記載のガラス。The glass in any one of Claims 1-10 whose content of is 0-35 mol%. Ｐ  P ２2 ＯO ５5 、ＳｉＯ, SiO ２2 、Ｂ, B ２2 ＯO ３3 、ＴｉＯTiO ２2 、Ｎｂ, Nb ２2 ＯO ５5 、ＷＯ, WO ３3 、Ｂｉ, Bi ２2 ＯO ３3 、ＭｇＯ、ＣａＯ、ＳｒＯ、ＢａＯ、ＺｎＯ、ＬｉMgO, CaO, SrO, BaO, ZnO, Li ２2 Ｏ、ＮａO, Na ２2 Ｏ、ＫO, K ２2 Ｏ、ＡｌO, Al ２2 ＯO ３3 、ＺｒＯ, ZrO ２2 、ＧｅＯ, GeO ２2 、ＴｅＯ, TeO ２2 、Ｓｂ, Sb ２2 ＯO ３3 の合計含有量が９５モル％以上である、請求項１〜１１のいずれかに記載のガラス。The glass in any one of Claims 1-11 whose total content of is 95 mol% or more. ＧｅＯ  GeO ２2 の含有量が０〜１モル％である、請求項１〜１２のいずれかに記載のガラス。The glass in any one of Claims 1-12 whose content of is 0-1 mol%. ＴｅＯ ２ の含有量が０〜１モル％である、請求項１〜１３のいずれかに記載のガラス。 The content of TeO 2 is 0 to 1 mol%, the glass according to any one of claims 1 to 13. Ｓｂ  Sb ２2 ＯO ３3 の含有量が０ｐｐｍ以上１０００ｐｐｍ未満である、請求項１〜１４のいずれかに記載のガラス。The glass in any one of Claims 1-14 whose content of is 0 ppm or more and less than 1000 ppm.
JP2015201077A 2013-04-26 2015-10-09 Glass, optical glass, glass material for press molding and optical element Pending JP2016013971A (en)

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JP5793165B2 (en) * 2013-04-26 2015-10-14 Hoya株式会社 Glass, optical glass, glass material for press molding and optical element
KR102142175B1 (en) * 2013-09-30 2020-08-06 호야 가부시키가이샤 Optical glass and process for producing the same
JP6283512B2 (en) * 2013-12-19 2018-02-21 Hoya株式会社 Method for producing glass and method for producing optical element
JP6734630B2 (en) * 2015-05-12 2020-08-05 株式会社オハラ Optical glass
JP6812147B2 (en) * 2016-06-30 2021-01-13 Hoya株式会社 Optical glass, optics blank, and optics
JP6812148B2 (en) * 2016-06-30 2021-01-13 Hoya株式会社 Optical glass, optics blank, and optics
JP7116095B2 (en) * 2018-02-01 2022-08-09 Hoya株式会社 Colored glass and its manufacturing method
CN113645873A (en) 2019-04-05 2021-11-12 日本电气硝子株式会社 Glass article for decoration
JP7409636B2 (en) 2019-11-27 2024-01-09 株式会社住田光学ガラス Multi-component oxide glass, optical element, optical fiber, and method for producing multi-component oxide glass

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US6786064B2 (en) * 2000-10-23 2004-09-07 Hoya Corporation Process for the production of glass molded article
JP2008273791A (en) * 2007-04-27 2008-11-13 Ohara Inc Phosphate-based glass, glass ceramic comprising the phosphate-based glass and methods for production thereof
CN102046549B (en) * 2008-08-06 2014-05-28 日本电气硝子株式会社 Sealing glass
JP5740778B2 (en) * 2009-07-24 2015-07-01 日本電気硝子株式会社 Manufacturing method of optical glass
JP2011046550A (en) * 2009-08-26 2011-03-10 Nippon Electric Glass Co Ltd Method for producing sealing glass and sealing glass
JP2011246344A (en) * 2010-04-30 2011-12-08 Ohara Inc Method of manufacturing glass compact, optical element, and optical device
JP2011241103A (en) * 2010-05-14 2011-12-01 Ohara Inc Method for producing optical glass, optical element and optical instrument
JP5793165B2 (en) * 2013-04-26 2015-10-14 Hoya株式会社 Glass, optical glass, glass material for press molding and optical element

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