H01J 2237/1415
Bores or yokes, i.e. magnetic circuit in general
H01J2237/1415 (Bores or yokes, i.e. magnetic circuit in general) appears on 53 US grants and 67 published applications in this corpus.
Search patents in H01J- Granted patents
- 53
- Published applications
- 67
- Assignees
- 34
- Inventors
- 135
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 3 |
| 2013 | 1 | 3 |
| 2014 | 4 | 2 |
| 2015 | 4 | 9 |
| 2016 | 7 | 5 |
| 2017 | 6 | 5 |
| 2018 | 2 | 2 |
| 2019 | 3 | 3 |
| 2020 | 1 | 8 |
| 2021 | 5 | 2 |
| 2022 | 3 | 5 |
| 2023 | 7 | 4 |
| 2024 | 2 | 7 |
| 2025 | 2 | 3 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adjustable permanent magnetic lens having thermal control device11 Aug 2026US 12,706,270 B2IMS Nanofabrication GmbH
- Adjustable permanent magnetic lens having shunting device30 Jun 2026US 12,671,054 B2IMS Nanofabrication GmbH
- Magnetic lenses, charged particle microscope systems including the same, and associated methods19 May 2026US 12,633,490 B2FEI Company
- Charged particle source28 Apr 2026US 12,614,691 B2ASML Netherlands B. V.
- Electromagnetic lens16 Dec 2025US 12,500,060 B2IMS Nanofabrication GmbH
- Charged Particle Beam Device6 Aug 2026US 2026/0229443 A1Hitachi High-Tech Corporation
- Objective lens cooling system30 Jul 2026US 2026/0221375 A1ASML Netherlands B. V.
- Multiple particle beam system, in particular multi-beam particle microscope, having a fast magnetic lens and the use thereof2 Apr 2026US 2026/0094783 A1
- Electromagnetic lens, scanning electron microscope, and multi-electron beam inspection apparatus29 May 2025US 2025/0174425 A1NuFlare Technology, Inc.
- Magnetic focusing device low energy ion beams6 Feb 2025US 2025/0046563 A1Axcelis Technologies, Inc.
Most cited
By later US patents
- Objective lens arrangement usable in particle-optical systems33US 10,622,184 B2Applied Materials Israel Ltd. · 2020
- Magnetic object lens for an electron beam exposure apparatus which processes a wafer carried on a continuously moving stage11US 4,929,838 AFujitsu Limited · 1990
- Apparatus of plural charged particle beams with multi-axis magnetic lens11US 8,445,862 B2Hermes Microvision, Inc. · 2013
- Apparatus of plural charged particle beams with multi-axis magnetic lens6US 9,105,440 B2Hermes Microvision, Inc. · 2015
- Multi-axis magnetic lens for focusing a plurality of charged particle beams5US 8,791,425 B2Hermes Microvision, Inc. · 2014