发明名称 |
Scribe line metal structure |
摘要 |
A system and method for preventing defaults during singulation is presented. An embodiment comprises a dummy metal structure located in the scribe region. The dummy metal structure comprises a series of alternating dummy lines that are connected through dummy vias. The dummy lines are offset from dummy lines in adjacent metal layers. Additionally, the dummy lines and dummy vias in the upper layers of the scribe line may be formed with larger dimensions than the dummy lines and dummy vias located in the lower layers.
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申请公布号 |
US8368180(B2) |
申请公布日期 |
2013.02.05 |
申请号 |
US20090619464 |
申请日期 |
2009.11.16 |
申请人 |
TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.;YU CHEN-HUA;JENG SHIN-PUU;TSAI HAO-YI;HOU SHANG-YUN;CHEN HSIEN-WEI;CHIU MING-YEN |
发明人 |
YU CHEN-HUA;JENG SHIN-PUU;TSAI HAO-YI;HOU SHANG-YUN;CHEN HSIEN-WEI;CHIU MING-YEN |
分类号 |
H01L23/544 |
主分类号 |
H01L23/544 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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