JP4552940B2 - 透光性セラミックを用いたハイブリッドレンズ - Google Patents
透光性セラミックを用いたハイブリッドレンズ Download PDFInfo
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- JP4552940B2 JP4552940B2 JP2006539177A JP2006539177A JP4552940B2 JP 4552940 B2 JP4552940 B2 JP 4552940B2 JP 2006539177 A JP2006539177 A JP 2006539177A JP 2006539177 A JP2006539177 A JP 2006539177A JP 4552940 B2 JP4552940 B2 JP 4552940B2
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Description
2 樹脂膜
3 ハイブリッドレンズ
理論透過率[%]=(1−R)2 /(1−R2)×100 …(2)
R=(n−1)2/(n+1)2 …(3)
ただし、式(3)において、Rは反射率を表し、nは屈折率を表す。
[実験例1]
本実験例は、特定の主成分からなる透光性セラミック中のFeおよびCuの各含有量と、ハイブリッドレンズにおけるクラックの有無との関係を調査するために実施したものである。
[実験例2]
本実験例は、透光性セラミックの主成分、紫外線硬化樹脂の種類、またナノ粒子の主成分、粒径もしくは添加量について、種々に変更したときの光学特性を評価したものである。
Claims (6)
- A{M,(B1,B2)}O3(Aは、Ba、SrおよびCaから選ばれる少なくとも1種、B1は、In、Y、ZnおよびMgから選ばれる少なくとも1種、B2は、TaおよびNbの少なくとも一方、ならびに、Mは、Ti、Zr、HfおよびSnから選ばれる少なくとも1種である。)で表されるペロブスカイト構造を有する酸化物を主成分とし、かつ副成分として少なくともFeおよびCuを含む、透光性セラミックからなるレンズ母材と、
前記レンズ母材の表面に形成される紫外線硬化樹脂からなる樹脂膜と
を備え、
前記透光性セラミック中のFeの含有量をxとし、同じくCuの含有量をyとするとき、3x+yが40重量ppm以下であり、
前記透光性セラミックが、波長633nmの可視光の、試料厚み0.6mmにおける内部透過率が90%以上であり、かつ波長365nmの紫外線の、試料厚み0.6mmにおける内部透過率が60%以上であり、
さらに、前記透光性セラミックが、可視光のd線(波長が587.56nm)における屈折率が2.01以上である
ことを特徴とする、ハイブリッドレンズ。 - 前記樹脂膜を構成する前記紫外線硬化樹脂中に、平均粒径50nm以下のセラミック粒子が分散されている、請求項1に記載のハイブリッドレンズ。
- 前記紫外線硬化樹脂中に分散される前記セラミック粒子は、その主成分組成が、A{M,(B1,B2)}O3系、チタン酸バリウム系、チタン酸ストロンチウム系、チタン酸カルシウム系および酸化チタン系から選ばれる少なくとも1種である、請求項2に記載のハイブリッドレンズ。
- 厚み30μmの前記樹脂膜を平板状の前記透光性セラミックの表面上に形成した、厚みが0.6mmの平板状試料について、波長633nmの可視光の内部透過率は90%以上であり、前記樹脂膜についての可視光のd線(波長が587.56nm)における屈折率は2.01以上である、請求項3に記載のハイブリッドレンズ。
- 前記レンズ母材は、球面レンズ形状を有する、請求項1ないし4のいずれかに記載のハイブリッドレンズ。
- 当該ハイブリッドレンズは、非球面レンズを構成する、請求項5に記載のハイブリッドレンズ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004289886 | 2004-10-01 | ||
JP2004289886 | 2004-10-01 | ||
PCT/JP2005/014743 WO2006038378A1 (ja) | 2004-10-01 | 2005-08-11 | 透光性セラミックを用いたハイブリッドレンズ |
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JP (1) | JP4552940B2 (ja) |
CN (1) | CN100472236C (ja) |
WO (1) | WO2006038378A1 (ja) |
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JP2006220734A (ja) | 2005-02-08 | 2006-08-24 | Casio Comput Co Ltd | セラミックスハイブリッドレンズ及びその製造方法 |
DE102005045197B4 (de) * | 2005-09-21 | 2010-12-09 | Schott Ag | Verfahren zur Herstellung einer optischen Hybridlinse |
WO2007122985A1 (ja) * | 2006-04-20 | 2007-11-01 | Murata Manufacturing Co., Ltd. | 透光性セラミックおよびその製造方法、ならびに光学部品および光学装置 |
JP3976782B1 (ja) * | 2007-05-17 | 2007-09-19 | マイルストーン株式会社 | 撮像レンズ |
JP5443772B2 (ja) * | 2009-01-21 | 2014-03-19 | パナソニック株式会社 | 複合光学素子用樹脂組成物および複合光学素子 |
CN105669196A (zh) * | 2016-01-29 | 2016-06-15 | 中国人民大学 | 一种新型透明陶瓷材料及其制备方法 |
CN106747440B (zh) * | 2016-12-22 | 2020-07-03 | 桂林电子科技大学 | 一种可见光透明储能陶瓷及其制备方法 |
WO2019215951A1 (ja) * | 2018-05-11 | 2019-11-14 | 株式会社村田製作所 | 有機物分解用触媒、有機物分解用凝集体、および、有機物分解装置 |
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JP2004075512A (ja) * | 2001-11-20 | 2004-03-11 | Murata Mfg Co Ltd | 透光性セラミックスならびにそれを用いた光学部品および光学素子 |
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CN101031827A (zh) | 2007-09-05 |
US7431984B2 (en) | 2008-10-07 |
WO2006038378A1 (ja) | 2006-04-13 |
CN100472236C (zh) | 2009-03-25 |
US20070171538A1 (en) | 2007-07-26 |
JPWO2006038378A1 (ja) | 2008-05-15 |
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