JP2019099397A - レンズの表面処理方法 - Google Patents
レンズの表面処理方法 Download PDFInfo
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- JP2019099397A JP2019099397A JP2017229109A JP2017229109A JP2019099397A JP 2019099397 A JP2019099397 A JP 2019099397A JP 2017229109 A JP2017229109 A JP 2017229109A JP 2017229109 A JP2017229109 A JP 2017229109A JP 2019099397 A JP2019099397 A JP 2019099397A
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- lens
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Abstract
Description
11 接続部
12 挿入部
13 先端部
1 レンズ(対物レンズ)
1a 親水面
20 水
21 汚れ
Claims (3)
- レンズの表面にフッ素系ガスによるドライエッチング処理を行い、当該表面に微細な凹凸を付与するレンズの表面処理方法であって、
前記レンズの表面は、SiO2を65〜85質量%含有するケイ酸塩ガラスからなり、前記ドライエッチング処理後のレンズ表面の算術平均粗さRa’は、ドライエッチング処理前のレンズ表面の算術平均粗さRaの1.3倍以上であり、前記ドライエッチング処理後のレンズ表面の算術平均粗さRa’は、1〜20nmである、レンズの表面処理方法。 - 前記ドライエッチング処理後のレンズ表面の算術平均粗さRa’は、ドライエッチング処理前のレンズ表面の算術平均粗さRaの10倍以下である請求項1に記載のレンズの表面処理方法。
- 前記ドライエッチング処理後におけるレンズ表面の最大高さ粗さRzは、8〜90nmである請求項1又は2に記載のレンズの表面処理方法。
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JP2019099397A true JP2019099397A (ja) | 2019-06-24 |
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Citations (1)
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WO2012141311A1 (ja) * | 2011-04-15 | 2012-10-18 | 旭硝子株式会社 | 反射防止性ガラス基体 |
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WO2012141311A1 (ja) * | 2011-04-15 | 2012-10-18 | 旭硝子株式会社 | 反射防止性ガラス基体 |
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