Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Sang-Yeol Kang0
Kyoo-Ho Jung0
Kyu-Ho Cho0
Eun-Sun Kim0
Hyo-Sik Mun0
Date of Patent
August 10, 2021
Patent Application Number
20190618
Date Filed
June 18, 2019
Patent abstract
A capacitor includes a lower electrode including a first metal material and having a first crystal size in a range of a few nanometers, a dielectric layer covering the lower electrode and having a second crystal size that is a value of a crystal expansion ratio times the first crystal size and an upper electrode including a second metal material and covering the dielectric layer. The upper electrode has a third crystal size smaller than the second crystal size.
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