Methods for manufacturing a magnetoresistive structure utilizing heating and cooling

C Kaiser, Q Leng, M Pakala - US Patent 9,093,639, 2015 - Google Patents
This invention describes a novel tunnel magnetoresistive (TMR) deposition process that can
enhance the signal-to-noise ratio (SNR) of a TMR reader. A method of manufacturing a …

Method and system for providing a magnetoresistive structure

Q Leng, M Pakala, Y Shen - US Patent 8,545,999, 2013 - Google Patents
US8545999B1 - Method and system for providing a magnetoresistive structure - Google Patents
US8545999B1 - Method and system for providing a magnetoresistive structure - Google …

Spin tunneling magnetic element promoting free layer crystal growth from a barrier layer interface

M Pakala, C Park - US Patent 8,559,141, 2013 - Google Patents
(57) ABSTRACT A spin tunneling element includes a pinned layer, a barrier layer, and a free
layer. The free layer includes a ferromagnetic layer including a ferromagnetic material that …

Magnetoresistive sensors having an improved free layer

Q Leng, C Kaiser, Y Guo, M Pakala, S Mao - US Patent 8,498,084, 2013 - Google Patents
A magnetoresistive sensor having a novel free layer and a method of producing the same
are disclosed. The magnetoresistive sensor comprises a pinned layer, a barrier layer …

Method and system for providing a read sensor having a low magnetostriction free layer

Q Leng, C Park, Y Guo, C Kaiser, M Pakala… - US Patent …, 2012 - Google Patents
A method and system for providing a magnetic structure in magnetic transducer is described.
The magnetic structure includes a pinned layer, a nonmagnetic spacer layer, and a free …

Double patterning hard mask for damascene perpendicular magnetic recording (PMR) writer

X **ang, YF Li, J Zhang, H Yuan, X Zeng… - US Patent …, 2015 - Google Patents
Various embodiments of the subject disclosure provide a double patterning process that
uses two patterning steps to produce a write structure having a nose shape with sharp …

Method and system for providing a spin tunneling magnetic element having a crystalline barrier layer

Y Shen, Q Leng - US Patent 8,547,730, 2013 - Google Patents
The method and system for providing a spin tunneling element are disclosed. The method
and system include depositing a pinned layer, a barrier layer, and a free layer. The barrier …

Differential dual free layer magnetic reader

D Mauri, S Gider, H Zhao - US Patent 9,472,216, 2016 - Google Patents
CPC........... GIIB 5/3932 (2013.01); GIIB 5/3912 (2013.01)(57) ABSTRACT (58) Field of
Classification Search A magnetic read apparatus has an air-bearing Surface (ABS) None …

Magnetoresistive structures, magnetic random-access memory devices including the same and methods of manufacturing the magnetoresistive structure

KW Kim, KS Kim, SC Lee, Y Jang, U Pi - US Patent 9,570,675, 2017 - Google Patents
Magnetoresistive structures, magnetic random-access memory devices including the same,
and methods of manu facturing the magnetoresistive structure, include a first mag netic layer …

Write transducer having a magnetic buffer layer spaced between a side shield and a write pole by non-magnetic layers

F Liu, Z Li - US Patent 9,111,550, 2015 - Google Patents
A write transducer for a disk drive magnetic head includes a ferromagnetic write yoke having
a write pole protruding towards an air bearing surface. The write transducer also includes a …