发明名称 |
Method for fabricating LOCOS isolation having a planar surface which includes having the polish stop layer at a lower level than the LOCOS formation |
摘要 |
A method for fabricating LOCOS isolation having a planar surface. The method utilizes a polysilicon spacer to prevent bird beak. The method adds the steps of forming a polishing stop layer and removing said edge-protrusion portion of the local oxide by chemical mechanical polishing.
|
申请公布号 |
US6153482(A) |
申请公布日期 |
2000.11.28 |
申请号 |
US19980174091 |
申请日期 |
1998.10.16 |
申请人 |
NANYA TECHNOLOGY CORP. |
发明人 |
SU, LIN-CHIN;TSAI, TZU-CHING;JIANG, MIIN-JIUNN;LIAO, HUNG-CHANG;WANG, JIM;LIN, CHUNG MIN |
分类号 |
H01L21/762;(IPC1-7):H01L21/331;H01L21/302;H01L21/76 |
主分类号 |
H01L21/762 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|