KR102598584B1 - 막, 액상 조성물, 광학 소자, 및 촬상 장치 - Google Patents
막, 액상 조성물, 광학 소자, 및 촬상 장치 Download PDFInfo
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- 239000000758 substrate Substances 0.000 claims description 58
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- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 claims description 16
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- HPWPQTDSGXMKPM-UHFFFAOYSA-L [Cu+2].[O-]P([O-])(F)=O Chemical compound [Cu+2].[O-]P([O-])(F)=O HPWPQTDSGXMKPM-UHFFFAOYSA-L 0.000 description 1
- RAOSIAYCXKBGFE-UHFFFAOYSA-K [Cu+3].[O-]P([O-])([O-])=O Chemical compound [Cu+3].[O-]P([O-])([O-])=O RAOSIAYCXKBGFE-UHFFFAOYSA-K 0.000 description 1
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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- 238000010438 heat treatment Methods 0.000 description 1
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- 239000011259 mixed solution Substances 0.000 description 1
- 229910000484 niobium oxide Inorganic materials 0.000 description 1
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
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- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
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- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
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- G02B1/111—Anti-reflection coatings using layers comprising organic materials
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- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
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Abstract
Description
도 2는, 본 발명에 따른 막을 이용하여 저굴절률 코팅이 이루어진 반사 방지 구조의 일례를 나타내는 단면도이다.
도 3a는, 본 발명에 따른 막을 이용하여 저굴절률 코팅이 이루어진 다른 반사 방지 구조의 일례를 나타내는 단면도이다.
도 3b는, 본 발명에 따른 막을 이용하여 저굴절률 코팅이 이루어진 또 다른 반사 방지 구조의 일례를 나타내는 단면도이다.
도 4a는, 본 발명에 따른 촬상 장치의 일례를 나타내는 단면도이다.
도 4b는, 도 4a에 나타내는 단(單)렌즈의 측면도이다.
도 5a는, 본 발명에 따른 촬상 장치의 다른 일례를 나타내는 단면도이다.
도 5b는, 촬상 장치의 커버의 일례를 나타내는 단면도이다.
도 6은, 촬상 장치의 IR 컷 필터의 일례를 나타내는 단면도이다.
도 7은, 본 발명에 따른 촬상 장치의 또 다른 일례에 있어서의 광학계를 나타내는 측면도이다.
도 8은, 실시예 1에 따른 막의 ATR법에 의해 얻어진 흡수 스펙트럼을 나타내는 그래프이다.
도 9는, 비교예 1에 따른 막의 ATR법에 의해 얻어진 흡수 스펙트럼을 나타내는 그래프이다.
도 10은, 실시예 1, 7, 10, 및 11에 따른 반사 방지 구조의 반사 스펙트럼을 나타내는 그래프이다.
도 11은, 실시예 12 및 13에 따른 반사 방지 구조의 반사 스펙트럼을 나타내는 그래프이다.
도 12는, 실시예 14, 15, 및 16에 따른 반사 방지 구조의 반사 스펙트럼을 나타내는 그래프이다.
Claims (17)
적어도 폴리실세스퀴옥산과, 실리카에 의해 형성되며, 상기 중공 입자를 결착하는 바인더를 구비하고,
푸리에 변환 적외 분광 광도계를 이용한 전반사 측정법에 의해 결정되는, 규소 원자에 직접 결합하고 있지 않은 탄화수소기에서 유래하는 흡광도, 규소 원자와 비반응성 관능기의 결합에서 유래하는 흡광도, 및 규소 원자와 히드록시기의 결합에서 유래하는 흡광도를, 각각, Ia, Ib, 및 Ic로 나타낼 때, Ib/Ia≥0.7 및 Ib/Ic≥0.3 중 적어도 1개의 조건을 만족하고,
1.25 이하의 굴절률을 갖는, 막.
Ib/Ia≥0.7 및 Ib/Ic≥0.3의 조건을 더 만족하는, 막.
상기 전반사 측정법에 의해 결정되는, 1개의 산소 원자와 2개의 규소 원자의 결합에서 유래하는 제1 흡광도, 제2 흡광도, 및 제3 흡광도를 각각 Id, Ie, 및 If로 나타낼 때, Id/Ib≤60, Ie/Ib≤20, 및 If/Ib≤174 중 적어도 1개의 조건을 만족하며,
상기 제1 흡광도 Id는, 제1 파수에 대응하고,
상기 제2 흡광도 Ie는, 상기 제1 파수보다 큰 제2 파수에 대응하고,
상기 제3 흡광도 If는, 상기 제2 파수보다 큰 제3 파수에 대응하는, 막.
Id/Ib≤60, Ie/Ib≤20, 및 If/Ib≤174의 조건을 더 만족하는, 막.
상기 폴리실세스퀴옥산은, 16개 이하의 탄소 원자를 포함하는 탄화수소기가 상기 비반응성 관능기로서 규소 원자에 결합하고 있는 폴리실세스퀴옥산인, 막.
상기 중공 입자는, 10~150nm의 평균 입자경을 갖는, 막.
상기 중공 입자는, 실리카, 불화마그네슘, 알루미나, 알루미노실리케이트, 티타니아, 및 지르코니아로 이루어지는 군으로부터 선택되는 적어도 1개로 만들어져 있는, 막.
1.15~2.70의 굴절률을 갖는 재료로 만들어진 중공 입자와,
폴리실세스퀴옥산과,
실리카와,
용매를 함유하고,
당해 액상 조성물을 기판에 도포하고 당해 액상 조성물을 경화시켜서 얻어진 경화물에 있어서, 푸리에 변환 적외 분광 광도계를 이용한 전반사 측정법에 의해 결정되는, 규소 원자에 직접 결합하고 있지 않은 탄화수소기에서 유래하는 흡광도, 규소 원자와 비반응성 관능기의 결합에서 유래하는 흡광도, 및 규소 원자와 히드록시기의 결합에서 유래하는 흡광도를, 각각, Ia, Ib, 및 Ic로 나타낼 때, Ib/Ia≥0.7 및 Ib/Ic≥0.3 중 적어도 1개의 조건을 만족하고,
상기 경화물은, 1.25 이하의 굴절률을 갖는, 액상 조성물.
상기 경화물에 있어서, Ib/Ia≥0.7 및 Ib/Ic≥0.3의 조건을 더 만족하는, 액상 조성물.
상기 경화물에 있어서, 상기 전반사 측정법에 의해 결정되는, 1개의 산소 원자와 2개의 규소 원자의 결합에서 유래하는 제1 흡광도, 제2 흡광도, 및 제3 흡광도를 각각 Id, Ie, 및 If로 나타낼 때, Id/Ib≤60, Ie/Ib≤20, 및 If/Ib≤174 중 적어도 1개의 조건을 만족하며,
상기 제1 흡광도 Id는, 제1 파수에 대응하고,
상기 제2 흡광도 Ie는, 상기 제1 파수보다 큰 제2 파수에 대응하고,
상기 제3 흡광도 If는, 상기 제2 파수보다 큰 제3 파수에 대응하는, 액상 조성물.
상기 경화물에 있어서, Id/Ib≤60, Ie/Ib≤20, 및 If/Ib≤174의 조건을 더 만족하는, 액상 조성물.
상기 폴리실세스퀴옥산은, 16개 이하의 탄소 원자를 포함하는 탄화수소기가 상기 비반응성 관능기로서 규소 원자에 결합하고 있는 폴리실세스퀴옥산인, 액상 조성물.
상기 중공 입자는, 10~150nm의 평균 입자경을 갖는, 액상 조성물.
상기 중공 입자는, 실리카, 불화마그네슘, 알루미나, 알루미노실리케이트, 티타니아, 및 지르코니아로 이루어지는 군으로부터 선택되는 적어도 1개로 만들어져 있는, 액상 조성물.
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