Application
16904026 · Copper Contact Plugs with Barrier Layers
Filed 2020-06-17 · Granted · Patent 11251131 (2022-02-15) The official file ↗The patent and its PDF ↗ · Art unit 2892 · Examiner Robert Thomas Huber Hard · CPC H10W 20/20 · Taiwan Semiconductor Manufacturing Co., Ltd. · TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
Office actions
2
first was Restriction requirement
RCEs
1
no appeal
To first action
5.7 mo
to disposition 20.0 mo
Statutes raised
102 103
2 actions read