Inventor

JAYASEKARA WIPUL PEMSIRI

US39 patents

⚠️ This page may combine multiple inventors who share the name “JAYASEKARA WIPUL PEMSIRI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

JAYASEKARA WIPUL PEMSIRI

HITACHI GLOBAL STORAGE TECH

Laminated side shield for perpendicular write head for improved performance

Laminated draped shield for CPP read sensors

Magnetoresistive device with lapping guide treated to eliminate magnetoresistive effect thereof

Ion bombardment of electrical lapping guides to decrease noise during lapping process

Double mill process for patterning current perpendicular to plane (CPP) magnetoresistive devices to minimize barrier shorting and barrier damage

Method for providing an endpoint layer for ion milling of top of read sensor having top lead connection and sensor formed thereby

Deposition defined trackwidth for very narrow trackwidth CPP device

Method of partial depth material removal for fabrication of CPP read sensor

Method for manufacturing a tunnel junction magnetoresistive sensor with improved performance and having a CoFeB free layer

Method of fabricating a read head having shaped read sensor-biasing layer junctions using partial milling

Magnetic write head with recessed overcoat

System, method, and apparatus for ion beam etching process stability using a reference for time scaling subsequent steps

Methods of making magnetic heads with improved contiguous junctions

Magnetic head having oxidized read sensor edges to reduce sensor current shunting

Method to reduce corner shunting during fabrication of CPP read heads

Magnetic sensor with extended free layer and overlaid leads

Method for fabricating improved sensor for a magnetic head utilizing reactive ion milling process

Dual angle milling for current perpendicular to plane (CPP) magnetoresistive sensor definition

Perpendicular pole having and adjacent non-magnetic CMP resistant structure

Tunnel MR head with long stripe height sensor stabilized through the shield

Method for patterning a magnetoresistive sensor

Method of removing magnetoresistive sensor cap by reactive ion etching

Method to fabricate side shields for a magnetic sensor

Method of fabricating a thin film magnetic sensor on a wafer

Ion bombardment of electrical lapping guides to decrease noise during lapping process

Perpendicular pole structure and method of fabricating the same

Method for using CVD process to encapsulate coil in a magnetic write head

Process for the fabrication of multilayer thin film magnetoresistive sensors

Method to improve ability to perform CMP-assisted liftoff for trackwidth definition

HITACHI GLOBAL STORAGE TECH NL

Current perpendicular to plane magnetoresistive sensor with reduced read gap

Magnetoresistive sensor having an anisotropic hard bias with high coercivity

Differential current perpendicular to plane giant magnetoresistive sensor structure having improved robustness against spin torque noise

Method for manufacturing an ultra narrow gap magnetoresistive sensor

Perpendicular pole structure and method of fabricating the same

KREUPL FRANZ

Composition of memory cell with resistance-switching layers

FREITAG JAMES MAC

Method for manufacturing a magnetoresistive sensor having a novel junction structure for improved track width definition and pinned layer stability

JAYASEKARA WIPUL PEMSIRI

Electronic devices including carbon nano-tube films having boron nitride-based liners, and methods of forming the same

IBM

Magnetic head and method of making the same using an etch-stop layer for removing portions of the capping layer

PING ER-XUAN

Electronic devices including carbon nano-tube films having carbon-based liners, and methods of forming the same