发明名称 |
A PROGRESSIVE TRIMMING METHOD |
摘要 |
<p>The invention provides a method of trimming a structure that includes a first wafer bonded to a second wafer, with the first wafer having a chamfered edge. The method includes a first trimming step carried out over a first depth that includes at least the thickness of the first wafer and over a first width determined from the edge of the first wafer. A second trimming step is then carried out over a second depth that includes at least the thickness of the first wafer and over a second width that is less than the first width.</p> |
申请公布号 |
EP2324491(B1) |
申请公布日期 |
2013.06.05 |
申请号 |
EP20090811094 |
申请日期 |
2009.07.31 |
申请人 |
SOITEC |
发明人 |
BROEKAART, MARCEL;MIGETTE, MARION;MOLINARI, SEBASTIEN;NEYRET, ERIC |
分类号 |
H01L21/304;H01L21/762 |
主分类号 |
H01L21/304 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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