H05K 2203/0214
Back-up or entry material
Official title: Back-up or entry material, e.g. for mechanical drilling
H05K2203/0214 (Back-up or entry material) appears on 46 US grants and 48 published applications in this corpus.
Search patents in H05K- Granted patents
- 46
- Published applications
- 48
- Assignees
- 41
- Inventors
- 100
- Latest grant
- 12 Jul 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 3 |
| 2003 | 1 | 1 |
| 2004 | 3 | 2 |
| 2005 | 2 | 4 |
| 2006 | 1 | 4 |
| 2007 | 0 | 4 |
| 2008 | 0 | 3 |
| 2009 | 1 | 1 |
| 2010 | 3 | 5 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 3 |
| 2014 | 3 | 1 |
| 2015 | 1 | 6 |
| 2016 | 0 | 3 |
| 2017 | 4 | 1 |
| 2018 | 2 | 5 |
| 2019 | 2 | 0 |
| 2020 | 4 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Entry sheet for drilling and method for drilling processing using same12 Jul 2022US 11,383,307 B2Mitsubishi Gas Chemical Company, Inc.
- Poly-based burr suppressor22 Jun 2021US 11,044,816 B2Advanced Copper Foil Inc.
- Poly-based burr suppressor14 Jul 2020US 10,716,217 B2Advanced Copper Foil Inc.
- Entry sheet for drilling2 Jun 2020US 10,674,609 B2Mitsubishi Gas Chemical Company, Inc.
- Manufacturing method for multi-layer printed circuit board18 Feb 2020US 10,568,212 B2Intel Corporation
- Electronic Board with Plated Through Hole and Axial and Radial Annular Protrusions14 May 2026US 2026/0136472 A1AT&S Austria Technologie & Systemtechnik Aktiengesellschaft
- Poly-based burr suppressor8 Oct 2020US 2020/0323082 A1Matrix Electronics Limited
- Entry sheet for drilling and method for drilling processing using same13 Sep 2018US 2018/0257148 A1Mitsubishi Gas Chemical Company, Inc.
- Manufacturing method for multi-layer printed circuit board28 Jun 2018US 2018/0184525 A1Zeon Corporation
- Poly-based burr suppressor15 Mar 2018US 2018/0077804 A1Matrix Electronics Limited
Most cited
By later US patents
- Method for drilling small holes in printed circuit boards19US 5,067,859 ASystems Division Incorporated · 1991
- Method for drilling circuit boards18US 4,269,549 ALCOA Laminating Company of America · 1981
- Drilling printed circuit boards and entry and backing boards therefor16US 5,435,671 AHolders Technology PLC · 1995
- Entry board for drilling small holes, a method of making the same and a method for drilling small holes through a printed circuit board by using said entry board16US 6,000,886 AShowa Aluminum Corporation · 1999
- Method for drilling circuit boards14US 4,311,419 ALCOA Laminating Company of America · 1982