Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chai-Wei Chang0
Yi-Cheng Chao0
Kuo-Hui Chang0
Po-Chi Wu0
Date of Patent
September 10, 2019
0Patent Application Number
148189650
Date Filed
August 5, 2015
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Structures and formation methods of a semiconductor device structure are provided. The semiconductor device structure includes a gate stack over a semiconductor substrate and a cap element over the gate stack. The cap element has an upper portion and a lower portion, and the upper portion is wider than the lower portion. The semiconductor device structure also includes a spacer element over a sidewall of the cap element and a sidewall of the gate stack.
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