The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 18, 2018

Filed:

May. 13, 2016
Applicant:

Taiwan Semiconductor Manufacturing Company, Ltd., Hsin-Chu, TW;

Inventors:

Chi-Wen Chang, Yuanlin Township, TW;

Hui Yu Lee, Hsin-Chu, TW;

Ya Yun Liu, Jhubei, TW;

Jui-Feng Kuan, Zhubei, TW;

Yi-Kan Cheng, Taipei, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 17/50 (2006.01); H01L 23/48 (2006.01); H01L 25/065 (2006.01); H01L 21/768 (2006.01); H01L 23/528 (2006.01);
U.S. Cl.
CPC ...
G06F 17/5077 (2013.01); G06F 17/5072 (2013.01); H01L 23/481 (2013.01); H01L 25/0657 (2013.01); G06F 2217/02 (2013.01); G06F 2217/66 (2013.01); H01L 21/76898 (2013.01); H01L 23/528 (2013.01); H01L 2225/06541 (2013.01); H01L 2924/0002 (2013.01);
Abstract

An apparatus includes a first tier and a second tier. The second tier is above the first tier. The first tier includes a first cell. The second tier includes a second cell and a third cell. The third cell includes a first inter layer via (ILV) to couple the first cell in the first tier to the second cell in the second tier. The third cell further includes a second ILV, the first ILV and the second ILV are extended along a first direction. The first tier further includes a fourth cell. The second tier further includes a fifth cell. The second ILV of the third cell is arranged to connect the fourth cell of the first tier with the fifth cell of the second tier. In some embodiments, the second tier further includes a spare cell including a spare ILV for engineering change order (ECO) purpose.


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