Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Fu-Cheng Chang
Ping-Hao Lin
Date of Patent
September 19, 2023
Patent Application Number
16175819
Date Filed
October 30, 2018
Patent Citations
...
Patent Primary Examiner
Patent abstract
A method of forming a semiconductor structure is disclosed. A multi-layer structure is formed over a substrate. A photoresist stack with a stepped sidewall is formed on the multi-layer structure. A pattern of the photoresist stack is transferred to the multi-layer structure.
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