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CHEMISTRY METALLURGY
C23
Surface treatment
C23F
NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
C23F1/00
Etching metallic material by chemical means
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for etching copper or alloys thereof
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Patents Grants
last 30 patents
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Patent Grant
Microelectronic assembly from processed substrate
Patent number
12,051,621
Issue date
Jul 30, 2024
ADEIA SEMICONDUCTOR BONDING TECHNOLOGIES INC.
Cyprian Emeka Uzoh
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Grant
Methods for wet atomic layer etching of copper
Patent number
11,866,831
Issue date
Jan 9, 2024
Tokyo Electron Limited
Christopher Netzband
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Etchant for selectively etching copper and copper alloy, and method...
Patent number
11,821,092
Issue date
Nov 21, 2023
Mitsubishi Gas Chemical Company, Inc.
Shun Fukazawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Methods of supporting a graphene sheet disposed on a frame support
Patent number
11,708,637
Issue date
Jul 25, 2023
The Regents of the University of California
Bong-Gyoon Han
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Etching chelating agent, manufacturing method thereof, and etching...
Patent number
11,674,229
Issue date
Jun 13, 2023
Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
Haoxu Wu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Antibacterial surface treated copper material and a method for prep...
Patent number
11,672,253
Issue date
Jun 13, 2023
Hyundai Motor Company
Chang Yeol Yoo
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Methods for producing an etch resist pattern on a metallic surface
Patent number
11,606,863
Issue date
Mar 14, 2023
Kateeva, Inc.
Moshe Frenkel
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of generating artificial latent fingerprints for latent fing...
Patent number
11,530,487
Issue date
Dec 20, 2022
REPUBLIC OF KOREA (NATIONAL FORENSIC SERVICE DIRECTOR MINISTRY OF THE INTERIO...
Nam Kyu Park
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Etchant composition and methods for manufacturing metal pattern and...
Patent number
11,441,071
Issue date
Sep 13, 2022
Samsung Display Co., Ltd.
Bong-Kyun Kim
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Surface-treated copper foil, copper foil having carrier, laminated...
Patent number
11,401,612
Issue date
Aug 2, 2022
JX Nippon Mining & Metals Corporation
Terumasa Moriyama
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Diamond-coated composite heat sinks for high-power laser systems
Patent number
11,398,712
Issue date
Jul 26, 2022
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO, LTD.
Parviz Tayebati
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Microelectronic assembly from processed substrate
Patent number
11,367,652
Issue date
Jun 21, 2022
INVENSAS BONDING TECHNOLOGIES, INC.
Cyprian Emeka Uzoh
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Grant
Etchant composition
Patent number
11,345,852
Issue date
May 31, 2022
Lam Research Corporation
Angela Hecke
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Nanoparticle compositions
Patent number
11,306,399
Issue date
Apr 19, 2022
JANUARY THERAPEUTICS, INC.
Raj Raheja
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Microetching agent for copper, copper surface roughening method and...
Patent number
11,208,726
Issue date
Dec 28, 2021
MEC Company Ltd.
Yuki Ogino
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Systems and methods for copper etch rate monitoring and control
Patent number
11,099,131
Issue date
Aug 24, 2021
University of North Texas
Oliver Ming-Ren Chyan
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Diamond-coated composite heat sinks for high-power laser systems
Patent number
11,070,023
Issue date
Jul 20, 2021
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Parviz Tayebati
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Microetchant for copper and method for producing wiring board
Patent number
11,053,594
Issue date
Jul 6, 2021
MEC Company Ltd.
Keisuke Matsumoto
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Production method for a ring electrode
Patent number
10,933,233
Issue date
Mar 2, 2021
Heraeus Deutschland GmbH & Co. KG
Christiane Leitold
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Etch chemistries for metallization in electronic devices
Patent number
10,923,514
Issue date
Feb 16, 2021
H.C. Starck Inc.
Patrick Hogan
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Transferring graphitic thin films with a liquid gallium probe
Patent number
10,857,774
Issue date
Dec 8, 2020
VAON, LLC
John Gilbert
B32 - LAYERED PRODUCTS
Information
Patent Grant
Methods for producing an etch resist pattern on a metallic surface
Patent number
10,743,420
Issue date
Aug 11, 2020
Kateeva, Inc.
Moshe Frenkel
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Microelectronic assembly from processed substrate
Patent number
10,672,654
Issue date
Jun 2, 2020
INVENSAS BONDING TECHNOLOGIES, INC.
Cyprian Emeka Uzoh
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Grant
Etchant composition for multilayered metal film of copper and molyb...
Patent number
10,655,231
Issue date
May 19, 2020
Kanto Kagaku Kabushiki Kaisha
Hideki Takahashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Conductive laminate for touch panel, touch panel, and transparent c...
Patent number
10,619,248
Issue date
Apr 14, 2020
FUJIFILM Corporation
Naoki Tsukamoto
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Etching solution for copper and copper alloy surfaces
Patent number
10,619,251
Issue date
Apr 14, 2020
Atotech Deutschland GmbH
Fabian Michalik
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Copper etchant composition
Patent number
10,577,696
Issue date
Mar 3, 2020
ENF Technology CO., LTD.
Seul Ki Kim
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Etching solution for copper or copper alloy
Patent number
10,570,522
Issue date
Feb 25, 2020
Entegris, Inc.
Yutaka Yoshida
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Etchant composition, method for etching multilayered film, and meth...
Patent number
10,501,853
Issue date
Dec 10, 2019
Samyoung Pure Chemicals Co., Ltd.
Jung-Ig Jeon
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Etchant composition and method of manufacturing a thin film transis...
Patent number
10,465,296
Issue date
Nov 5, 2019
Samsung Display Co., Ltd.
Soomin An
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
ROUGHENING SOLUTION FOR ROLLED COPPER FOIL AND METHOD FOR PRODUCING...
Publication number
20250011940
Publication date
Jan 9, 2025
Mitsubishi Gas Chemical Company, Inc.
Masami SONE
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
SOLID-INFUSED SURFACES, ARTICLES INCORPORATING SOLID-INFUSED SURFAC...
Publication number
20240240036
Publication date
Jul 18, 2024
Virginia Tech Intellectual Properties, Inc.
Ranga PITCHUMANI
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
A PROCESS FOR ELECTROCHEMICAL DEPOSITION OF COPPER WITH DIFFERENT C...
Publication number
20240183052
Publication date
Jun 6, 2024
Atotech Deutschland GmbH & Co. KG
Peter HAACK
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METHOD FOR STRUCTURING METAL-CERAMIC SUBSTRATES, AND STRUCTURED MET...
Publication number
20240074064
Publication date
Feb 29, 2024
Heraeus Deutschland GmbH & Co. KG
Richard WACKER
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
ETCHING AGENT AND METHOD FOR PRODUCING CIRCUIT BOARD
Publication number
20230407486
Publication date
Dec 21, 2023
MEC COMPANY LTD.
Yu FUKUI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Method For Manufacturing Ceramic Circuit Board
Publication number
20230390845
Publication date
Dec 7, 2023
Kabushiki Kaisha Toshiba
Akito SASAKI
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
ETCHING DEVICE AND ETCHING METHOD
Publication number
20230335419
Publication date
Oct 19, 2023
Unimicron Technology Corp.
Chin-Sheng Wang
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
CMP SLURRY COMPOSITION FOR POLISHING COPPER AND COPPER FILM POLISHI...
Publication number
20230272242
Publication date
Aug 31, 2023
Samsung SDI Co., Ltd.
Soo Yeon SIM
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METHODS FOR PRODUCING AN ETCH RESIST PATTERN ON A METALLIC SURFACE
Publication number
20230189447
Publication date
Jun 15, 2023
Kateeva, Inc.
Moshe FRENKEL
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Methods For Wet Atomic Layer Etching Of Copper
Publication number
20230140900
Publication date
May 11, 2023
TOKYO ELECTRON LIMITED
Christopher Netzband
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
ETCHANT FOR ETCHING TRIPLE LAYER METAL WIRING STRUCTURES OF MOLYBDE...
Publication number
20230055735
Publication date
Feb 23, 2023
TCL China Star Optoelectronics Technology Co., Ltd.
Jing Liu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METHODS OF SUPPORTING A GRAPHENE SHEET DISPOSED ON A FRAME SUPPORT
Publication number
20230012465
Publication date
Jan 12, 2023
The Regents of the University of California
Bong-Gyoon Han
C01 - INORGANIC CHEMISTRY
Information
Patent Application
ETCHANT COMPOSITION AND METHODS FOR MANUFACTURING METAL PATTERN AND...
Publication number
20220411696
Publication date
Dec 29, 2022
SAMSUNG DISPLAY CO., LTD.
Bong-Kyun KIM
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
COPPER ETCHING SOLUTION
Publication number
20220389592
Publication date
Dec 8, 2022
C. Uyemura & Co., Ltd.
Takuya Komeda
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
ETCHANT AND ETCHING METHOD FOR COPPER-MOLYBDENUM FILM LAYER
Publication number
20220349064
Publication date
Nov 3, 2022
TCL China Star Optoelectronics Technology Co., Ltd.
Yuehong ZHANG
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METHOD OF GENERATING ARTIFICIAL LATENT FINGERPRINTS FOR LATENT FING...
Publication number
20220342298
Publication date
Oct 27, 2022
REPUBLIC OF KOREA (NATIONAL FORENSIC SERVICE DIRECTOR MINISTRY OF THE INTERIO...
Nam Kyu PARK
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
MICROELECTRONIC ASSEMBLY FROM PROCESSED SUBSTRATE
Publication number
20220285213
Publication date
Sep 8, 2022
INVENSAS BONDING TECHNOLOGIES, INC.
Cyprian Emeka UZOH
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Application
ETCHANT COMPOSITION, AND METHOD FOR MANUFACTURING METAL PATTERN AND...
Publication number
20220205110
Publication date
Jun 30, 2022
SAMSUNG DISPLAY CO., LTD.
BONG-KYUN KIM
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
ANTIBACTERIAL SURFACE TREATED COPPER MATERIAL AND A METHOD FOR PREP...
Publication number
20220167624
Publication date
Jun 2, 2022
Hyundai Motor Company
Chang Yeol Yoo
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
ETCHING CHELATING AGENT, MANUFACTURING METHOD THEREOF, AND ETCHING...
Publication number
20220127728
Publication date
Apr 28, 2022
Haoxu WU
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METAL STRUCTURES
Publication number
20220074024
Publication date
Mar 10, 2022
Royal Melbourne Institute of Technology
Jackson Leigh SMITH
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METHOD FOR TRANSFERRING GRAPHENE FILM
Publication number
20220002156
Publication date
Jan 6, 2022
Zhejiang University
Mingsheng Xu
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
ETCHING SOLUTION, ANNEXING AGENT, AND MANUFACTURING METHOD OF METAL...
Publication number
20210404068
Publication date
Dec 30, 2021
TCL China Star Optoelectronics Technology Co., Ltd.
Haoxu WU
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
ETCHANT FOR SELECTIVELY ETCHING COPPER AND COPPER ALLOY, AND METHOD...
Publication number
20210381113
Publication date
Dec 9, 2021
Mitsubishi Gas Chemical Company, Inc.
Shun FUKAZAWA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
DIAMOND-COATED COMPOSITE HEAT SINKS FOR HIGH-POWER LASER SYSTEMS
Publication number
20210320474
Publication date
Oct 14, 2021
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO. LTD.
Parviz TAYEBATI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
ARTICLE SUPERIOR IN DESIGN AND METHOD FOR PRODUCING THE SAME
Publication number
20210178461
Publication date
Jun 17, 2021
NGK Insulators, Ltd.
Satoshi OTA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Conductive Member Using Copper-Silver Alloy, Contact Pin and Device
Publication number
20210088552
Publication date
Mar 25, 2021
Kyosei Co., Ltd.
Tsutomu SATO
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
TRANSFERRING GRAPHITIC THIN FILMS WITH A LIQUID GALLIUM PROBE
Publication number
20210078316
Publication date
Mar 18, 2021
VAON, LLC
John Gilbert
B32 - LAYERED PRODUCTS
Information
Patent Application
METHODS OF SUPPORTING A GRAPHENE SHEET DISPOSED ON A FRAME SUPPORT
Publication number
20210047740
Publication date
Feb 18, 2021
The Regents of the University of California
Bong-Gyoon Han
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METHODS FOR PRODUCING AN ETCH RESIST PATTERN ON A METALLIC SURFACE
Publication number
20200396842
Publication date
Dec 17, 2020
Kateeva, Inc.
Moshe FRENKEL
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...