H05K 2203/0786
Using an aqueous solution
Official title: Using an aqueous solution, e.g. for cleaning or during drilling of holes
H05K2203/0786 (Using an aqueous solution) appears on 543 US grants and 426 published applications in this corpus.
Search patents in H05K- Granted patents
- 543
- Published applications
- 426
- Assignees
- 303
- Inventors
- 1,473
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 11 | 0 |
| 1987 | 7 | 0 |
| 1988 | 9 | 0 |
| 1989 | 9 | 0 |
| 1990 | 13 | 0 |
| 1991 | 13 | 0 |
| 1992 | 16 | 0 |
| 1993 | 23 | 0 |
| 1994 | 21 | 0 |
| 1995 | 13 | 0 |
| 1996 | 15 | 0 |
| 1997 | 14 | 0 |
| 1998 | 15 | 0 |
| 1999 | 16 | 0 |
| 2000 | 20 | 0 |
| 2001 | 18 | 8 |
| 2002 | 19 | 15 |
| 2003 | 19 | 23 |
| 2004 | 22 | 38 |
| 2005 | 14 | 25 |
| 2006 | 12 | 26 |
| 2007 | 8 | 15 |
| 2008 | 6 | 29 |
| 2009 | 8 | 25 |
| 2010 | 17 | 25 |
| 2011 | 8 | 9 |
| 2012 | 14 | 9 |
| 2013 | 10 | 13 |
| 2014 | 5 | 16 |
| 2015 | 14 | 18 |
| 2016 | 16 | 17 |
| 2017 | 7 | 11 |
| 2018 | 15 | 15 |
| 2019 | 8 | 14 |
| 2020 | 9 | 23 |
| 2021 | 13 | 8 |
| 2022 | 8 | 7 |
| 2023 | 5 | 8 |
| 2024 | 4 | 9 |
| 2025 | 7 | 13 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Enhanced subtractive etch anisotropy using etch rate gradient8 Sep 2026US 12,733,107 B2Intel Corporation
- Aqueous alkaline cleaner solution for glass filler removal and method17 Mar 2026US 12,577,500 B2Atotech Deutschland GmbH
- Silver-based transparent conductive layers interfaced with copper traces and methods for forming the structures3 Mar 2026US 12,568,783 B2EKC Technology, Inc.
- Insulating circuit board and semiconductor device in which same is used24 Feb 2026US 12,563,665 B2Niterra Materials Co., Ltd.
- Wiring board manufacturing method and wiring board4 Nov 2025US 12,463,056 B2Toppan Inc.
- Lead electro-etching before plating to mitigate burr1 Oct 2026US 2026/0304630 A1
- Production method of embedded circuit board10 Sep 2026US 2026/0271193 A1Olympic Circuit Technology Co., Ltd.
- Carbon-based direct plating process13 Aug 2026US 2026/0234828 A1
- Method for producing printed wiring board, photosensitive resin composition, photosensitive resin film, printed wiring board, and semiconductor package2 Jul 2026US 2026/0190248 A1Resonac Corporation
- Insulating circuit board and semiconductor device in which same is used4 Jun 2026US 2026/0156744 A1Niterra Materials Co., Ltd.
Most cited
By later US patents
- Electroless plating process for the manufacture of printed circuit boards305US 5,648,125 A1997
- Adhesive for electroless plating, printed circuit boards and method of producing the same101US 5,055,321 AIbiden Co., Ltd. · 1991
- Process for improving the adhesion of polymeric materials to metal surfaces90US 5,869,130 AMac Dermid, Incorporated · 1999
- Flexible circuit electrode array and method of manufacturing the same83US 7,877,866 B1Second Sight Medical Products, Inc. · 2011
- Hole cleaning process for printed circuit boards using permanganate and caustic treating solutions62US 4,425,380 AKollmorgen Technologies Corporation · 1984