C23F 1/00
Etching metallic material by chemical means
Official title: Etching metallic material by chemical means (manufacture of printing surfaces B41C; manufacture of printed circuits H05K)
C23F1/00 (Etching metallic material by chemical means) appears on 3,225 US grants and 3,005 published applications in this corpus.
Search patents in C23F- Granted patents
- 3,225
- Published applications
- 3,005
- Assignees
- 1,453
- Inventors
- 7,127
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 40 | 0 |
| 1977 | 36 | 0 |
| 1978 | 27 | 0 |
| 1979 | 21 | 0 |
| 1980 | 25 | 0 |
| 1981 | 30 | 0 |
| 1982 | 37 | 0 |
| 1983 | 42 | 0 |
| 1984 | 44 | 0 |
| 1985 | 36 | 0 |
| 1986 | 38 | 0 |
| 1987 | 32 | 0 |
| 1988 | 32 | 0 |
| 1989 | 35 | 0 |
| 1990 | 50 | 0 |
| 1991 | 58 | 0 |
| 1992 | 33 | 0 |
| 1993 | 53 | 0 |
| 1994 | 44 | 0 |
| 1995 | 41 | 0 |
| 1996 | 37 | 0 |
| 1997 | 28 | 0 |
| 1998 | 41 | 0 |
| 1999 | 43 | 0 |
| 2000 | 54 | 0 |
| 2001 | 54 | 27 |
| 2002 | 82 | 88 |
| 2003 | 85 | 82 |
| 2004 | 62 | 102 |
| 2005 | 46 | 94 |
| 2006 | 61 | 95 |
| 2007 | 37 | 66 |
| 2008 | 42 | 83 |
| 2009 | 43 | 73 |
| 2010 | 45 | 85 |
| 2011 | 62 | 100 |
| 2012 | 58 | 109 |
| 2013 | 94 | 115 |
| 2014 | 88 | 136 |
| 2015 | 121 | 216 |
| 2016 | 138 | 191 |
| 2017 | 124 | 152 |
| 2018 | 130 | 175 |
| 2019 | 150 | 161 |
| 2020 | 132 | 153 |
| 2021 | 126 | 152 |
| 2022 | 109 | 146 |
| 2023 | 99 | 131 |
| 2024 | 119 | 103 |
| 2025 | 101 | 101 |
| 2026 | 60 | 69 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Composition and method for treating substrate6 Oct 2026US 12,753,342 B2FUJIFILM Corporation
- Method for forming robust hydrophobic surfaces on steel workpiece6 Oct 2026US 12,753,490 B2Hong Kong Applied Science and Technology Research Institute Company Limited
- Continuous coil pretreatment process6 Oct 2026US 12,753,515 B2Arconic Technologies LLC
- Production method for etching liquid composition6 Oct 2026US 12,753,516 B2Kao Corporation
- Fabrication of binary-phase photon sieve1 Sep 2026US 12,724,182 B1United States of America as represented by the Administrator of NASA
- Continuous coil pretreatment process8 Oct 2026US 2026/0308766 A1Arconic Technologies LLC
- Vapor-phase etch of metal-containing materials8 Oct 2026US 2026/0308770 A1Versum Materials US, LLC
- Etchant composition, method of patterning metal layer and method of producing display device using the same1 Oct 2026US 2026/0297755 A1Dongwoo Fine-Chem Co., Ltd.
- Process and apparatus to remove metal-containing films from a chamber1 Oct 2026US 2026/0297756 A1APPLIED Materials.Inc.
- Atomic layer etching method for metal oxide film24 Sep 2026US 2026/0286531 A1SK Specialty Co., Ltd
Most cited
By later US patents
- Expandable stents940US 5,514,154 AAdvanced Cardiovascular Systems, Inc. · 1996
- Flexible tubular device for use in medical applications929US 5,573,520 AMayo Foundation for Medical Education and Research · 1996
- Expandable stents and method for making same883US 5,421,955 AAdvanced Cardiovascular Systems, Inc. · 1995
- Method for manufacturing porous structure and method for forming pattern645US 6,565,763 B1Kabushiki Kaisha Toshiba · 2003
- Flexible tubular device for use in medical applications586US 5,741,429 ACardia Catheter Company · 1998