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发明名称
表面形状之测定方法及使用该方法之装置
摘要
藉由以相对于光之行进方向倾斜任意角度之倾斜姿势配备参考平面,而藉由自测定对象面及参考平面返回相同光路之反射光来产生干涉条纹。该干涉条纹之各像素的强度值系由CCD相机进行拍摄,CPU系利用求取干涉条纹波形之表达式,于算出每个对象像素,利用各个像素之强度值及其隣近之像素的强度值,并假定含于各像素中之干涉条纹波形之直流成分、交流振幅及相位等参数,求取各像素之干涉条纹波形的相位,致可换算成高度而以测定出表面形状。
申请公布号
TWI405949
申请公布日期
2013.08.21
申请号
TW096103487
申请日期
2007.01.31
申请人
国立大学法人东京工业大学 日本;东丽工程股份有限公司 日本
发明人
杉山将;小川英光;北川克一;铃木一嘉
分类号
G01B11/25
主分类号
G01B11/25
代理机构
代理人
何金涂 台北市大安区敦化南路2段77号8楼
主权项
地址
日本
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