发明名称 |
METHOD OF STRESS RELIEF IN ANTI-REFLECTIVE COATED CAP WAFERS FOR WAFER LEVEL PACKAGED INFRARED FOCAL PLANE ARRAYS |
摘要 |
Methods for reducing wafer bow induced by an anti-reflective coating of a cap wafer are provided. The method may utilize a shadow mask having at least one opening therein that is positioned opposite recessed regions in a cap wafer. The method may further include depositing at least one layer of an anti-reflective coating material through the shadow mask onto a planar side of a cap wafer to provide a discontinuous coating on the planar side. |
申请公布号 |
US2014053966(A1) |
申请公布日期 |
2014.02.27 |
申请号 |
US201213688714 |
申请日期 |
2012.11.29 |
申请人 |
RAYTHEON COMPANY |
发明人 |
GOOCH ROLAND W.;DIEP BUU Q.;BLACK STEPHEN H.;KOCIAN THOMAS A.;KENNEDY ADAM M. |
分类号 |
B05D5/06 |
主分类号 |
B05D5/06 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|