List of Patents
32. THREE-DIMENSIONAL MAGNETIC MEMORY WITH MULTI-LAYER DATA STORAGE LAYERS
Hellwig; Olav, Terris; Bruce D., Thiele; Jan-Ulrich
Patent No: US 10,014,045 B2
Date: 07/03/2018
31. HEAT ASSISTED MAGNETIC RECORDING (HAMR) MEDIA HAVING A HIGHLY ORDERED CRYSTALLINE STRUCTURE
Hellwig; Olav, Jain; Shikha, Mosendz; Oleksandr, Richter; Hans J., Weller; Dieter K.
Patent No: US 9,558,777
Date: 01/31/2017
30. PERPENDICULAR HEAT-ASSISTED MAGNETIC RECORDING (HAMR) MEDIUM WITH A PEROVSKITE OXIDE INTERMEDIATE LAYER
Grobis; Michael Konrad, Hellwig; Olav, Bruce David Terris and Sung Hun Wee
Patent No: US 9,530,445
Date: 12/27/2016
29. ANNEALING TREATMENT FOR ION-IMPLANTED PATTERNED MEDIA
Hellwig; Olav, Rubin; Kurt A.; Zhu; Qing
Patent No: US 9,384,773
Date: 07/05/2016
28. DUAL SEGREGANT HEAT ASSISTED MAGNETIC RECORDING (HAMR) MEDIA
Hellwig; Olav, Mosendz; Oleksandr, Pisana; Simone, Weller; Dieter K.
Patent No: US 9,324,353
Date: 04/26/2016
27. ALL-OPTICAL MAGNETIC RECORDING SYSTEM USING FeMnPt MEDIA
Hellwig; Olav, Mosendz; Oleksandr, Weller; Dieter K.
Patent No: US 9,280,996
Date: 03/08/2016
26. METHOD FOR IMPROVING A PATTERNED PERPENDICULAR MAGNETIC RECORDING DISK WITH ANNEALING
Grobis; Michael Konrad, Hellwig; Olav, Marinero; Ernesto E., McCallum; Andrew Thomas, Weller; Dieter K.
Patent No: US 9,147,423
Date: 09/29/2015
25. METHOD OF MANUFACTURING A BIT PATTERNED MEDIA ON A MAGNETIC MEDIA DISK
Albrecht; Thomas Robert and Hellwig; Olav
Patent No: US 9,058,832
Date: 06/16/2015
24. Patterned perpendicular magnetic recording medium with data islands having a flux channeling layer below the recording layer
Hauet; Thomas, Hellwig; Olav, Takano; Kentaro
Patent No: US 8,748,018 B2
Date: 06/10/2014
23. Fabricating magnetic recording media on patterned seed layers
Dobisz; Elizabeth, Margulies; David, Hellwig; Olav, Wu; Xiao Z.
Patent No: US 8,546,001 B2
Date: 10/01/2013
22. Patterned perpendicular magnetic recording disk drive and medium with patterned exchange bridge layer below the data islands
Hellwig; Olav, Kercher; Dan Saylor, Marinero; Ernesto E., Schabes; Manfred Ernst, Weller; Dieter K., Zeltzer; Gabriel
Patent No: US 8,541,116 B2
Date: 09/24/2013
21. Silicon/gold seed structure for crystalline alignment in a film stack
Hellwig; Olav, Weller; Dieter K.
Patent No: US 8,492,010 B2
Date: 07/23/2013
20. Method for making a patterned perpendicular magnetic recording disk having a FePt or CoPt chemically ordered recording layer
Hellwig; Olav, Lille; Jeffrey S., McCallum; Andrew Thomas, Mosendz; Oleksandr, Weller; Dieter K.
Patent No: US 8,399,051 B2
Date: 03/19/2013
19. Patterned perpendicular magnetic recording medium with ultrathin oxide film and reduced switching field distribution
Hellwig; Olav, Marinero; Ernesto E., Weller; Dieter K.
Patent No: US 8,268,461 B2
Date: 09/18/2012
18. Patterned-media perpendicular magnetic recording disk with servo regions having magnetized servo pillars and oppositely-magnetized servo trenches
Albrecht; Thomas R, Bandic; Zvonimir Z., Hellwig; Olav, Zeltzer; Gabriel
Patent No: US 8,252,153 B2
Date: 08/28/2012
17. System, method and apparatus for multiple anisotropy layered magnetic structures for controlling reversal mechanism and tightening of switching field distribution in bit patterned media
Hauet; Thomas, Hellwig; Olav, Schabes; Manfred Ernst
Patent No: US 8,163,405 B2
Date: 04/24/2012
16. SYSTEM, METHOD AND APPARATUS FOR PATTERNED MEDIA WITH REDUCED MAGNETIC TRENCH MATERIAL
Albrecht; Thomas Robert, Hellwig; Olav
Patent No: US 8,130,468 B2
Date: 03/06/2012
15. SYSTEM, METHOD AND APPARATUS FOR STRAIN-ASSISTED MAGNETIC RECORDING FOR CONTROLLING SWITCHING FIELD AND TIGHTENING SWITCHING FIELD DISTRIBUTION IN BIT PATTERNED MEDIA
Hauet, Thomas; Hellwig, Olav; Huang, Lidu
Patent No: US 8,129,043 B2
Date: 03/06/2012
14. Joint Design of Thermally-Assisted Magnetic Recording Head and Patterned Media for High Optical Efficiency
Hellwig; Olav, Stipe; Barry C.
Patent No: US 8,031,561 B2
Date: 10/04/2011
13. PATTERNED PERPENDICULAR MAGNETIC RECORDING MEDIUM WITH EXCHANGE COUPLED RECORDING LAYER STRUCTURE AND MAGNETIC RECORDING SYSTEM USING THE MEDIUM
Berger; Andreas Klaus, Fullerton; Eric E., Hellwig; Olav, Lengsfield, III; Byron Hassberg, Marinero; Ernesto E.
Patent No: US 8,021,769 B2
Date: 09/20/2011
12. PATTERNED-MEDIA PERPENDICULAR MAGNETIC RECORDING DISK WITH SERVO REGIONS HAVING MAGNETIZED SERVO PILLARS AND OPPOSITELY-MAGNETIZED SERVO TRENCHES
Albrecht, Thomas R; Bandic, Zvonimir Z.; Hellwig, Olav; Zeltzer, Gabriel
Patent No: US 7,960,044 B2
Date: 06/14/2011
11. PERPENDICULAR MAGNETIC RECORDING MEDIUM AND SYSTEM WITH LOW-CURIE-TEMPERATURE MULTILAYER FOR HEAT-ASSISTED WRITING AND/OR READING
Hellwig; Olav, Terris; Bruce D., Thiele; Jan-Ulrich
Patent No: US 7,862,912 B2
Date: 04/01/2011
10. PERPENDICULAR MAGNETIC RECORDING DISK DRIVE WITH PATTERNED DISK HAVING CAPPING LAYER FOR SUPPRESSION OF SURFACE DIFFUSION OF TRENCH MATERIAL
Fullerton; Eric E., Hellwig; Olav
Patent No: US 7,846,565 B2
Date: 12/07/2010
9. FABRICATING MAGNETIC RECORDING MEDIA ON PATTERNED SEED LAYERS
Dobisz; Elizabeth, Margulies; David, Hellwig; Olav, Wu; Xiao Z.
Patent No: US 7,776,388 B2
Date: 08/17/2010
8. PERPENDICULAR MAGNETIC RECORDING SYSTEM WITH PATTERNED MEDIUM AND MANUFACTURING PROCESS FOR THE MEDIUM
Eric E. Fullerton, Olav Hellwig, Jeffrey S. Lille, James Terrance Olson, Petrus Antonius VanDerHeijden and Henry Hung Yang
Patent No: US 7,732,071 B2
Date: 06/08/2010
7. PERPENDICULAR MAGNETIC RECORDING MEDIUM WITH PATTERNED MAGNETIC ISLANDS AND NONMAGNETIC TRENCHES AND MANUFACTURING METHOD FOR SUPPRESSING SURFACE DIFFUSION OF TRENCH MATERIAL
Eric E. Fullerton, Olav Hellwig
Patent No: US 7,670,696 B2
Date: 03/02/2010
6. LAMINTED MAGNETIC THIN FILMS WITH WEAK ANTIFERROMAGNETIC COUPLING FOR PERPENDICULAR MAGNETIC RECORDING
Eric E. Fullerton, Olav Hellwig, Byron H. Lengsfield, David T. Margulies
Patent No: US 7,529,065 B2
Date: 05/05/2009
5. Perpendicular magnetic recording medium with metamagnetic antiferromagnetically-coupled layer between the soft underlayer and the recording layer
Andreas. K. Berger, Eric. E. Fullerton and Olav Hellwig
Patent No: US 7,514,162 B2
Date: 04/07/2009
4. PATTERNED MULTILEVEL PERPENDICULAR MAGNETIC RECORDING MEDIA
Manfred Albrecht, Olav Hellwig, Guohan Hu, Bruce D. Terris
Patent No: US 6,947,235 B2
Date: 09/20/2005
3. MAGNETIC RECORDING SYSTEM WITH PATTERNED MULTILEVEL PERPENDICULAR MAGNETIC RECORDING
Manfred Albrecht, Olav Hellwig, Guohan Hu, Bruce D. Terris
Patent No: US 6,906,879 B1
Date: 06/14/2005
2. METHOD FOR MAGNETIC RECORDING ON PATTERNED MULTILEVEL PERPENDICULAR MEDIA USING VARIABLE WRITE CURRENT
Manfred Albrecht, Olav Hellwig, Guohan Hu, Bruce D. Terris
Patent No: US 6,882,488 B1
Date: 04/19/2005
1. METHOD FOR MAGNETIC RECORDING ON PATTERNED MULTILEVEL PERPENDICULAR MEDIA USING THERMAL ASSISTANCE AND FIXED WRITE CURRENT
Manfred Albrecht, Olav Hellwig, Guohan Hu, Bruce D. Terris
Patent No: US 6,865,044 B1
Date: 03/08/2005
