Class C23F : NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACES
Subclass 1/26: Etching metallic material by chemical means Etching compositions (C23F 1/44 takes precedence) Aqueous compositions Acidic compositions (C23F 1/42 takes precedence) for etching refractory metals
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12264396 | Substrate processing method | Nov 22, 23 | Apr 01, 25 | Tokyo Electron Limited |
| 12243751 | Chemical solution, etching method, and method for manufacturing semiconductor device | Sep 03, 21 | Mar 04, 25 | Kioxia Corporation |
| 12221717 | Method for creating a chromium-plated surface with a matte finish | Apr 03, 23 | Feb 11, 25 | Kings Mountain International, Inc. |
| 12184899 | Nested and non-nested SEI messages in video bitstreams | Mar 27, 23 | Dec 31, 24 | BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD.; BYTEDANCE INC.; |
| 12119499 | Chromium-containing steel sheet for current collector of nonaqueous electrolyte secondary battery and method for manufacturing the same | Jun 02, 20 | Oct 15, 24 | JFE Steel Corporation |
| 12077867 | Surface structure having function freezing delay and icing layer separation and manufacturing method thereof | Mar 08, 22 | Sep 03, 24 | Kookmin University Industry Academy Cooperation Foundation |
| 11949900 | Sub-bitstream extraction | Mar 27, 23 | Apr 02, 24 | BEIJING BYTEDANCE NETWORK TECHNOLOY CO., LTD.; BYTEDANCE INC.; |
| 11932947 | Composition and method for creating nanoscale surface geometry on a cobalt chromium implantable device | Aug 28, 20 | Mar 19, 24 | Tech Met Inc. |
| 11908938 | Substrate processing liquid for etching a metal layer, substrate processing method and substrate processing apparatus | Mar 04, 21 | Feb 20, 24 | SCREEN Holdings Co., Ltd. |
| 11905603 | Substrate processing method and substrate processing apparatus | Dec 17, 21 | Feb 20, 24 | Tokyo Electron Limited |
| 11875991 | Substrate treatment method and substrate treatment device | Jun 04, 19 | Jan 16, 24 | Tokyo Electron Limited |
| 11795550 | Etching composition, a method of etching a metal barrier layer and a metal layer using the same, and method of manufacturing semiconductor device using the same | May 06, 21 | Oct 24, 23 | Samsung Electronics Co. Ltd.; SOULBRAIN CO., LTD; |
| 11725116 | CMP composition including a novel abrasive | Mar 30, 21 | Aug 15, 23 | CMC Materials, Inc. |
| 11718906 | Method of metallic component surface modification for electrochemical applications | Mar 01, 21 | Aug 08, 23 | TREADSTONE TECHNOLOGIES INC. |
| 11686002 | Method for manufacturing ruthenium wiring | Aug 05, 21 | Jun 27, 23 | Tokyo Ohka Kogyo Co. LTD |
| 11655545 | Method and device for improving the surface condition of a turbomachine component | Jul 31, 19 | May 23, 23 | SAFRAN AIRCRAFT ENGINES |
| 11512397 | Etchant composition and method for etching | Dec 23, 20 | Nov 29, 22 | Kanto Kagaku Kabushiki Kaisha |
| 11499236 | Etching solution for tungsten word line recess | Mar 11, 19 | Nov 15, 22 | VERSUM MATERIALS US, LLC |
| 11479863 | Chemical solution and method for treating substrate | Feb 24, 21 | Oct 25, 22 | FUJIFILM Corporation |
| 11441071 | Etchant composition and methods for manufacturing metal pattern and array substrate using the same | Dec 04, 19 | Sep 13, 22 | Samsung Display Co., Ltd. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0088,671 | NESTED AND NON-NESTED SEI MESSAGES IN VIDEO BITSTREAMS | Nov 21, 24 | Mar 13, 25 | Not available |
| 2025/0054,782 | SUBSTRATE PROCESSING APPARATUS AND SUBSTRATE PROCESSING METHOD | Dec 26, 22 | Feb 13, 25 | Tokyo Electron Limited |
| 2024/0254,390 | COMPOSITION AND METHOD FOR CREATING NANOSCALE SURFACE GEOMETRY ON AN IMPLANTABLE DEVICE | Apr 07, 24 | Aug 01, 24 | Tech Met Inc. |
| 2024/0254,391 | WET ETCH FORMULATIONS AND RELATED METHODS | Feb 01, 24 | Aug 01, 24 | Not available |
| 2024/0035,168 | SUBSTRATE PROCESSING APPARATUS AND SUBSTRATE PROCESSING METHOD | Jul 19, 23 | Feb 01, 24 | Not available |
| 2024/0010,915 | Etching Solution For Titanium Nitride And Molybdenum Conductive Metal Lines | Mar 02, 21 | Jan 11, 24 | VERSUM MATERIALS US, LLC |
| 2022/0205,110 | ETCHANT COMPOSITION, AND METHOD FOR MANUFACTURING METAL PATTERN AND THIN FILM TRANSISTOR SUBSTRATE USING THE SAME | Dec 30, 21 | Jun 30, 22 | Not available |
| 2021/0404,068 | ETCHING SOLUTION, ANNEXING AGENT, AND MANUFACTURING METHOD OF METAL WIRING | Mar 17, 20 | Dec 30, 21 | Not available |
| 2021/0062,347 | COMPOSITION AND METHOD FOR CREATING NANOSCALE SURFACE GEOMETRY ON A COBALT CHROMIUM IMPLANTABLE DEVICE | Aug 28, 20 | Mar 04, 21 | Tech Met Inc. |
| 2020/0109,475 | ETCHING METHOD | Dec 09, 19 | Apr 09, 20 | Not available |
| 2020/0102,642 | METHOD OF METALLIC COMPONENT SURFACE MODIFICATION FOR ELECTROCHEMICAL APPLICATIONS | Oct 07, 19 | Apr 02, 20 | TREADSTONE TECHNOLOGIES INC. |
| 2019/0301,026 | ETCHANT COMPOSITIONS AND METHOD FOR ETCHING | Jul 07, 17 | Oct 03, 19 | Not available |
| 2019/0274,791 | TITANIUM NANO-SCALE ETCHING ON AN IMPLANT SURFACE | Dec 17, 18 | Sep 12, 19 | Not available |
| 2018/0044,801 | ETCHING LIQUID AND ETCHING METHOD | Jan 21, 16 | Feb 15, 18 | Not available |
| 2017/0218,522 | METALLIC WORKPIECE OF TITANIUM AND/OR A TITANIUM ALLOY AND/OR NICKEL-TITANIUM ALLOYS AND ALSO NITINOL WITH A POROUS SURFACE AND PRODUCTION PROCESS | Jul 31, 15 | Aug 03, 17 | CHRISTIAN-ALBRECHTS-UNIVERSITAET ZU KIEL |
| 2015/0259,804 | COMPOSITIONS AND METHODS FOR CMP OF TUNGSTEN MATERIALS | Mar 05, 15 | Sep 17, 15 | CABOT MICROELECTRONICS CORPORATION |
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