Y10T 29/49052
By etching
Official title: by etching
Y10T29/49052 (By etching) appears on 865 US grants and 661 published applications in this corpus.
Search patents in Y10T- Granted patents
- 865
- Published applications
- 661
- Assignees
- 103
- Inventors
- 913
- Latest grant
- 30 Jul 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 11 | 0 |
| 1999 | 13 | 0 |
| 2000 | 15 | 0 |
| 2001 | 19 | 15 |
| 2002 | 31 | 55 |
| 2003 | 38 | 58 |
| 2004 | 50 | 90 |
| 2005 | 58 | 84 |
| 2006 | 89 | 90 |
| 2007 | 77 | 70 |
| 2008 | 78 | 61 |
| 2009 | 62 | 40 |
| 2010 | 52 | 26 |
| 2011 | 53 | 20 |
| 2012 | 66 | 21 |
| 2013 | 48 | 15 |
| 2014 | 28 | 8 |
| 2015 | 15 | 6 |
| 2016 | 8 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- 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
- Method for fabricating a magnetic write pole having a leading edge bevel29 Nov 2016US 9,508,363 B1Western Digital (Fremont), LLC
- Magnetic head for perpendicular magnetic recording with a trailing shield including a plurality of portions different in saturation flux density22 Nov 2016US 9,502,053 B1Headway Technologies, Inc.
- 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
- Method of making a transducer head24 Dec 2015US 2015/0371669 A1Seagate Technology LLC
- Higher stability read head utilizing a partial milling process1 Oct 2015US 2015/0279392 A1HGST Netherlands B. V.
- Tunnel magnetoresistance read head with narrow shield-to-shield spacing1 Oct 2015US 2015/0279393 A1Western Digital (Fremont), LLC
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
- Narrow track width magnetoresistive sensor and method of making169US 6,700,759 B1Western Digital (Fremont), LLC · 2004