WO2008129970A1 - 赤外線フィルタガラスおよび赤外線フィルタ基板 - Google Patents

赤外線フィルタガラスおよび赤外線フィルタ基板 Download PDF

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Publication number
WO2008129970A1
WO2008129970A1 PCT/JP2008/057207 JP2008057207W WO2008129970A1 WO 2008129970 A1 WO2008129970 A1 WO 2008129970A1 JP 2008057207 W JP2008057207 W JP 2008057207W WO 2008129970 A1 WO2008129970 A1 WO 2008129970A1
Authority
WO
WIPO (PCT)
Prior art keywords
infrared filter
light
filter glass
wavelength
glass
Prior art date
Application number
PCT/JP2008/057207
Other languages
English (en)
French (fr)
Inventor
Seiki Ohara
Naoki Sugimoto
Original Assignee
Asahi Glass Company, Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Asahi Glass Company, Limited filed Critical Asahi Glass Company, Limited
Priority to JP2009510837A priority Critical patent/JPWO2008129970A1/ja
Publication of WO2008129970A1 publication Critical patent/WO2008129970A1/ja

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Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C4/00Compositions for glass with special properties
    • C03C4/08Compositions for glass with special properties for glass selectively absorbing radiation of specified wave lengths
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00Glass compositions
    • C03C3/04Glass compositions containing silica
    • C03C3/076Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/095Glass compositions containing silica with 40% to 90% silica, by weight containing rare earths
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/20Filters
    • G02B5/208Filters for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)

Abstract

 厚み1mmでの波長4.5μmの光の透過率が高く、波長5.5μmの光の透過率が低い赤外線フィルタガラスの提供。  下記酸化物基準のモル%表示で、Bi2O3を28~55%、SiO2を40~60%、Al2O3を0~9%、Ga2O3を0~17%、La2O3を0~8%含有し、Al2O3+Ga2O3が3%以上である赤外線フィルタガラス。厚み1mmでの波長4.5μmの光の透過率が50%以上、波長5.5μmの光の透過率が2%以下である前記赤外線フィルタガラス。前記赤外線フィルタガラスからなる赤外線フィルタ基板。
PCT/JP2008/057207 2007-04-19 2008-04-11 赤外線フィルタガラスおよび赤外線フィルタ基板 WO2008129970A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2009510837A JPWO2008129970A1 (ja) 2007-04-19 2008-04-11 赤外線フィルタガラスおよび赤外線フィルタ基板

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007110332 2007-04-19
JP2007-110332 2007-04-19

Publications (1)

Publication Number Publication Date
WO2008129970A1 true WO2008129970A1 (ja) 2008-10-30

Family

ID=39875499

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/057207 WO2008129970A1 (ja) 2007-04-19 2008-04-11 赤外線フィルタガラスおよび赤外線フィルタ基板

Country Status (2)

Country Link
JP (1) JPWO2008129970A1 (ja)
WO (1) WO2008129970A1 (ja)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08253340A (ja) * 1995-03-15 1996-10-01 Nohmi Bosai Ltd 炎感知器用赤外線透過性ガラスおよびその製造方法
JP2001213640A (ja) * 1999-11-26 2001-08-07 Asahi Glass Co Ltd ガラスファイバ
JP2002201039A (ja) * 2000-10-23 2002-07-16 Asahi Glass Co Ltd プレス成形用ガラスおよびレンズ
JP2004210611A (ja) * 2003-01-07 2004-07-29 Asahi Glass Co Ltd ガラス薄膜、それを用いたフォトニック結晶およびガラス薄膜の製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08253340A (ja) * 1995-03-15 1996-10-01 Nohmi Bosai Ltd 炎感知器用赤外線透過性ガラスおよびその製造方法
JP2001213640A (ja) * 1999-11-26 2001-08-07 Asahi Glass Co Ltd ガラスファイバ
JP2002201039A (ja) * 2000-10-23 2002-07-16 Asahi Glass Co Ltd プレス成形用ガラスおよびレンズ
JP2004210611A (ja) * 2003-01-07 2004-07-29 Asahi Glass Co Ltd ガラス薄膜、それを用いたフォトニック結晶およびガラス薄膜の製造方法

Also Published As

Publication number Publication date
JPWO2008129970A1 (ja) 2010-07-22

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