C23F 1/44
Compositions for etching metallic material from a metallic material substrate of different
Official title: Compositions for etching metallic material from a metallic material substrate of different composition
C23F1/44 (Compositions for etching metallic material from a metallic material substrate of different) appears on 318 US grants and 320 published applications in this corpus.
Search patents in C23F- Granted patents
- 318
- Published applications
- 320
- Assignees
- 220
- Inventors
- 898
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 7 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 7 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 8 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 8 | 0 |
| 1994 | 0 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 1 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 1 |
| 2002 | 9 | 4 |
| 2003 | 7 | 7 |
| 2004 | 5 | 8 |
| 2005 | 4 | 16 |
| 2006 | 6 | 11 |
| 2007 | 2 | 13 |
| 2008 | 3 | 12 |
| 2009 | 6 | 14 |
| 2010 | 5 | 13 |
| 2011 | 11 | 15 |
| 2012 | 4 | 10 |
| 2013 | 15 | 14 |
| 2014 | 9 | 15 |
| 2015 | 17 | 20 |
| 2016 | 8 | 26 |
| 2017 | 8 | 5 |
| 2018 | 10 | 9 |
| 2019 | 6 | 10 |
| 2020 | 11 | 24 |
| 2021 | 14 | 14 |
| 2022 | 13 | 20 |
| 2023 | 5 | 17 |
| 2024 | 19 | 10 |
| 2025 | 10 | 10 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process and apparatus to remove metal-containing films from a chamber14 Jul 2026US 12,680,173 B2APPLIED Materials.Inc.
- Ferritic stainless steel sheet for current collectors for sulfide-based solid-state batteries, and method for manufacturing same16 Jun 2026US 12,658,454 B2Jfe Steel Corporation
- Selective thermal atomic layer etching31 Mar 2026US 12,590,374 B2Versum Materials US, LLC
- Method for fabricating a semiconductor device using wet etching and dry etching and semiconductor device13 Jan 2026US 12,525,555 B2Infineon Technologies Austria AG
- Substrate processing apparatus and substrate processing method6 Jan 2026US 12,516,242 B2Tokyo Electron Limited
- Process and apparatus to remove metal-containing films from a chamber1 Oct 2026US 2026/0297756 A1APPLIED Materials.Inc.
- Device and method for treating the surface of an optical element of a lithography system in an atomic layer depositon process or an atomic layer etching process25 Jun 2026US 2026/0177936 A1Carl Zeiss SMT GmbH
- Coating system removal method27 Nov 2025US 2025/0361809 A1ROLLS-ROYCE plc
- Applications of a matte coating layer in printing processes to create varying visual effects on printed articles25 Sep 2025US 2025/0297369 A1Harris & Bruno International, Inc.
- Applications of a matte coating layer in printing processes to create varying visual effects on printed articles25 Sep 2025US 2025/0297370 A1Harris & Bruno International, Inc.
Most cited
By later US patents
- Etching of metallic composite articles159US 6,468,439 B1BMC Industries, Inc. · 2002
- Circuit manufacturing using etched tri-metal media125US 6,365,057 B1BMC Industries, Inc. · 2002
- Lamination of circuit sub-elements while assuring registration120US 6,409,930 B1BMC Industries, Inc. · 2002
- Methods and apparatus for cleaning deposition chamber parts using selective spray etch116US 8,691,023 B2Quantum Global Technologies, LLC · 2014
- Selective chemical removal of coil seed-layer in thin film head magnetic transducer83US 5,059,278 ASeagate Technology LLC · 1991