Test method for measuring flatness,thickness and total thickness variation on silicon wafers—Automated non-contact scanning
全国半导体设备和材料标准化技术委员会(SAC/TC 203)
本标准规定了直径不小于50 mm，厚度不小于100 μm的切割、研磨、腐蚀、抛光、外延或其他表面状态的硅片平整度、厚度及总厚度变化的测试。
本标准为非破坏性、无接触的自动扫描测试方法，适用于洁净、干燥硅片的平整度和厚度测试，且不受硅片的厚度变化、表面状态和硅片形状的影响。
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