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Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor device including metal interconnections having sidewa...
Patent number
12,057,346
Issue date
Aug 6, 2024
United Microelectronics Corp.
Ching-Chih Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of copper hillock detecting
Patent number
12,007,435
Issue date
Jun 11, 2024
United Microelectronics Corp.
Ching-Chih Chang
G01 - MEASURING TESTING
Information
Patent Grant
Semiconductor device including metal interconnections having sidewa...
Patent number
11,791,203
Issue date
Oct 17, 2023
United Microelectronics Corp.
Ching-Chih Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Forming contact holes using litho-etch-litho-etch approach
Patent number
11,515,159
Issue date
Nov 29, 2022
United Microelectronics Corp.
Ching-Chih Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device including metal interconnections having sidewa...
Patent number
11,456,207
Issue date
Sep 27, 2022
United Microelectronics Corp.
Ching-Chih Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Forming contact holes using litho-etch-litho-etch approach
Patent number
10,916,427
Issue date
Feb 9, 2021
United Microelectronics Corp.
Ching-Chih Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for removing damaged layer embedded in a dielectric layer
Patent number
10,204,826
Issue date
Feb 12, 2019
United Microelectronics Corp.
Min-Shiang Hsu
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAME
Publication number
20240347382
Publication date
Oct 17, 2024
UNITED MICROELECTRONICS CORP.
Ching-Chih Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAME
Publication number
20230420292
Publication date
Dec 28, 2023
UNITED MICROELECTRONICS CORP.
Ching-Chih Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METAL INTERCONNECT STRUCTURE HAVING SERPENT METAL LINE
Publication number
20230050928
Publication date
Feb 16, 2023
UNITED MICROELECTRONICS CORP.
Shih-Che Huang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAME
Publication number
20220392798
Publication date
Dec 8, 2022
UNITED MICROELECTRONICS CORP.
Ching-Chih Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF COPPER HILLOCK DETECTING
Publication number
20220178992
Publication date
Jun 9, 2022
UNITED MICROELECTRONICS CORP.
Ching-Chih Chang
G01 - MEASURING TESTING
Information
Patent Application
FORMING CONTACT HOLES USING LITHO-ETCH-LITHO-ETCH APPROACH
Publication number
20210151321
Publication date
May 20, 2021
UNITED MICROELECTRONICS CORP.
Ching-Chih Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAME
Publication number
20200402837
Publication date
Dec 24, 2020
UNITED MICROELECTRONICS CORP.
Ching-Chih Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR FORMING SEMICONDUCTOR DEVICE
Publication number
20200020576
Publication date
Jan 16, 2020
UNITED MICROELECTRONICS CORP.
Ching-Chih Chang
H01 - BASIC ELECTRIC ELEMENTS