发明名称 |
Plating process and structure |
摘要 |
A system and method for plating a contact is provided. An embodiment comprises forming protective layers over a contact and a test pad, and then selectively removing the protective layer over the contact without removing the protective layer over the test pad. With the protective layer still on the test pad, a conductive layer may be plated onto the contact without plating it onto the test pad. After the contact has been plated, the protective layer over the contact may be removed. |
申请公布号 |
US8759118(B2) |
申请公布日期 |
2014.06.24 |
申请号 |
US201113297845 |
申请日期 |
2011.11.16 |
申请人 |
Taiwan Semiconductor Manufacturing Company, Ltd. |
发明人 |
Kao Chin-Fu;Huang Cheng-Lin;Lin Jing-Cheng |
分类号 |
H01L21/66;H01L23/58 |
主分类号 |
H01L21/66 |
代理机构 |
Slater and Matsil, L.L.P. |
代理人 |
Slater and Matsil, L.L.P. |
主权项 |
1. A method for manufacturing a semiconductor device, the method comprising:
forming a first protective layer from a first portion of a contact located on a substrate; forming a second protective layer from a second portion of a test pad located on the substrate, wherein the test pad is in electrical contact with the contact; selectively removing the first protective layer without removing the second protective layer; and plating the contact with a conductive material while the second protective layer remains on the test pad.
|
地址 |
Hsin-Chu TW |