Invention Grant
- Patent Title: Methods of forming through via
- Patent Title (中): 通孔形成方法
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Application No.: US12044008Application Date: 2008-03-07
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Publication No.: US08486823B2Publication Date: 2013-07-16
- Inventor: Wen-Chih Chiou , Chen-Hua Yu , Weng-Jin Wu , Jung-Chih Hu
- Applicant: Wen-Chih Chiou , Chen-Hua Yu , Weng-Jin Wu , Jung-Chih Hu
- Applicant Address: TW Hsin-Chu
- Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
- Current Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
- Current Assignee Address: TW Hsin-Chu
- Agency: McClure, Qualey & Rodack, LLP
- Main IPC: H01L21/4763
- IPC: H01L21/4763

Abstract:
A through via process is performed on a semiconductor substrate with a contact plug formed in an interlayer dielectric (ILD), and then a via plug is formed in the ILD layer to extend through a portion of the semiconductor substrate, followed forming an interconnection structure electrically connected with the contact plug and the via plug.
Public/Granted literature
- US20090224405A1 THROUGH VIA PROCESS Public/Granted day:2009-09-10
Information query
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