H01F 10/3218
Exchange coupling of magnetic films via an antiferromagnetic interface
Official title: {Exchange coupling of magnetic films via an antiferromagnetic interface (H01F10/3268 takes precedence)}
H01F10/3218 (Exchange coupling of magnetic films via an antiferromagnetic interface) appears on 130 US grants and 100 published applications in this corpus.
Search patents in H01F- Granted patents
- 130
- Published applications
- 100
- Assignees
- 52
- Inventors
- 257
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 4 |
| 2002 | 1 | 9 |
| 2003 | 10 | 8 |
| 2004 | 5 | 8 |
| 2005 | 4 | 4 |
| 2006 | 16 | 5 |
| 2007 | 3 | 5 |
| 2008 | 1 | 1 |
| 2009 | 2 | 2 |
| 2010 | 3 | 5 |
| 2011 | 4 | 5 |
| 2012 | 3 | 2 |
| 2013 | 6 | 5 |
| 2014 | 4 | 3 |
| 2015 | 3 | 3 |
| 2016 | 4 | 3 |
| 2017 | 6 | 6 |
| 2018 | 4 | 8 |
| 2019 | 2 | 1 |
| 2020 | 5 | 8 |
| 2021 | 2 | 0 |
| 2022 | 6 | 3 |
| 2023 | 5 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method to calculate performance of a magnetic element comprising a ferromagnetic layer exchange-coupled to an antiferromagnetic layer25 Aug 2026US 12,716,970 B2Allegro MicroSystems, LLC
- Magnetic sensor21 Nov 2023US 11,821,963 B2Resonac Corporation
- Electrical-current control of structural and physical properties via strong spin-orbit interactions in canted antiferromagnetic Mott insulators19 Sep 2023US 11,765,989 B2The Regents of the University of Colorado
- Magnetic sensor22 Aug 2023US 11,733,319 B2Showa Denko K. K.
- Spin wave switch and filter based on magnonic crystal11 Jul 2023US 11,699,543 B2Institute of Physics, Chinese Academy of Sciences
- Tmr sensor having antiferromagnetically coupled vortices16 Apr 2026US 2026/0104478 A1Allegro MicroSystems, LLC
- Method to calculate performance of a magnetic element comprising a ferromagnetic layer exchange-coupled to an antiferromagnetic layer27 Jun 2024US 2024/0210498 A1Allegro MicroSystems, LLC
- Magnetic sensor29 Sep 2022US 2022/0308124 A1Showa Denko K. K.
- Magnetic sensor29 Sep 2022US 2022/0308128 A1Showa Denko K. K.
- Spin wave switch and filter based on magnonic crystal21 Apr 2022US 2022/0122755 A1Institute of Physics, Chinese Academy of Sciences
Most cited
By later US patents
- Antiferromagnetic-ferromagnetic exchange bias films230US 4,103,315 AInternational Business Machines Corporation · 1978
- Three-layered stacked magnetic spin polarization device with memory228US 6,603,677 B2Commissariat A L' Energie Atomique · 2003
- Antiferromagnetically-coupled soft bias magnetoresistive read head, and fabrication method therefore161US 8,611,054 B1Western Digital (Fremont), LLC · 2013
- Spin scattering and heat assisted switching of a magnetic element117US 7,126,202 B2Grandis, Inc. · 2006
- Structure to achieve sensitivity and linear density in tunneling GMR heads using orthogonal magnetic alignments106US 7,035,062 B1Seagate Technology LLC · 2006