Y10T 29/49046
With etching or machining of magnetic material
Official title: with etching or machining of magnetic material
Y10T29/49046 (With etching or machining of magnetic material) appears on 1,097 US grants and 746 published applications in this corpus.
Search patents in Y10T- Granted patents
- 1,097
- Published applications
- 746
- Assignees
- 127
- Inventors
- 1,100
- Latest grant
- 8 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 10 | 0 |
| 1991 | 8 | 0 |
| 1992 | 8 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 10 | 0 |
| 1997 | 22 | 0 |
| 1998 | 27 | 0 |
| 1999 | 27 | 0 |
| 2000 | 34 | 0 |
| 2001 | 49 | 26 |
| 2002 | 40 | 73 |
| 2003 | 60 | 75 |
| 2004 | 68 | 91 |
| 2005 | 73 | 99 |
| 2006 | 103 | 96 |
| 2007 | 81 | 84 |
| 2008 | 94 | 64 |
| 2009 | 65 | 47 |
| 2010 | 62 | 24 |
| 2011 | 61 | 23 |
| 2012 | 63 | 23 |
| 2013 | 47 | 14 |
| 2014 | 32 | 2 |
| 2015 | 12 | 2 |
| 2016 | 6 | 0 |
| 2017 | 1 | 2 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Manufacturing method for magnetic head for perpendicular magnetic recording including a pair of first side shields and a pair of second side shields8 Nov 2022US 11,495,251 B1Headway Technologies, Inc.
- Manufacturing method for reader side shield17 Mar 2020US 10,593,356 B2Seagate Technology LLC
- Magnetic head for perpendicular magnetic recording including two side shields configured to enable a reduction in width of an end face of the main pole located in a medium facing surface and an increase in cross-sectional area of the main pole in the vicinity of the medium facing surface30 Jul 2019US 10,366,712 B1Headway Technologies, Inc.
- Multiple reader stacks disposed in close proximity6 Jun 2017US 9,672,849 B2Seagate Technology LLC
- Method of forming a fully wrapped-around shielded PMR writer pole13 Dec 2016US 9,520,146 B1Western Digital (Fremont), LLC
- Magnetic head for perpendicular magnetic recording including two side shields configured to enable a reduction in width of an end face of the main pole located in a medium facing surface and an increase in cross-sectional area of the main pole in the vicinity of the medium facing surface25 Jul 2019US 2019/0228795 A1Headway Technologies, Inc.
- Multiple reader stacks disposed in close proximity5 Jan 2017US 2017/0004851 A1Seagate Technology LLC
- Reader side shield5 Jan 2017US 2017/0004852 A1Seagate Technology LLC
- Transducer resistor shunt structure for low-cost probing31 Dec 2015US 2015/0380027 A1HGST Netherlands B. V.
- Transducer resistor shunt structure for low-cost probing4 Jun 2015US 2015/0154992 A1HGST Netherlands B. V.
Most cited
By later US patents
- Method for providing a perpendicular magnetic recording (PMR) head191US 8,015,692 B1Western Digital (Fremont), LLC · 2011
- Damascene process for fabricating poles in recording heads186US 7,444,740 B1Western Digital (Fremont), LLC · 2008
- Magnetic head with aligned pole tips and pole layers formed of high magnetic moment material175US 6,118,629 ARead-Rite Corporation · 2000
- Thin film read head structure with improved bias magnet-to-magnetoresistive element interface and method of fabrication174US 6,421,212 B1Read-Rite Corporation · 2002
- Shielded pole magnetic head for perpendicular recording173US 7,193,815 B1Western Digital (Fremont), LLC · 2007