发明名称 |
EPITAXY LAYER AND METHOD OF FORMING THE SAME |
摘要 |
A method of forming an epitaxial layer of uniform thickness is provided to improve surface flatness. A substrate is first provided and a Si base layer is then formed on the substrate by epitaxy. A Si-Ge layer containing 5 to 10% germanium is formed on the Si base layer by epitaxy to normalize the overall thickness of the Si base layer and the Si-Ge layer containing 5 to 10% germanium.
|
申请公布号 |
US2007117358(A1) |
申请公布日期 |
2007.05.24 |
申请号 |
US20070622490 |
申请日期 |
2007.01.12 |
申请人 |
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD. |
发明人 |
TSAI PANG-YEN;YAO LIANG-GI;LIN CHUN-CHIEH;LEE WEN-CHIN;CHEN SHIH-CHANG |
分类号 |
H01L27/12;C30B23/00;C30B25/00;C30B28/12;C30B28/14;H01L21/20 |
主分类号 |
H01L27/12 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|