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[求助]
請問使用AFM儀器,得出圖像的參數(shù)中Sa(Roughness Average)表示什么意思
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| 我使用AFM測我金屬樣品的表面形貌,得到的參數(shù)是Sa(Roughness Average)6.99[nm],我想請問Sa表示什么意思? |

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In three dimensional optical profilometry, roughness is usually expressed as surface area roughness (Sa). Profile roughness (Ra) can be extracted as a line through an area. Interestingly, Sa is also able to report average Ra through a surface by averaging several profiles. 看???應(yīng)該就是平???粗超度 |

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