David W. Abraham  David W. Abraham photo       

contact information

Experimental quantum computing
Thomas J. Watson Research Center, Yorktown Heights, NY USA
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2011





2010

Magnetic Materials Having Superparamagnetic Particles
S T Ingvarsson, P L Trouilloud, S Sun, R H Koch, D W Abraham
US Patent App. 12/910,236


2009

Field spike monitor for MRAM
D Abraham, P L Trouilloud, others
US Patent 7,536,612


Spin-Torque Magnetoresistive Structures with Bilayer Free Layer
D W Abraham, G Hu, J Z Sun, D C Worledge
US Patent App. 12/489,987

Magnetic tunnel junction with enhanced magnetic switching characteristics
D W Abraham, S L Brown, S P Parkin, D Worledge
US Patent 7,535,069



2008


METHOD AND STRUCTURE FOR IMPROVED ALIGNMENT IN MRAM INTEGRATION
S K Kanakasabapathy, D W Abraham
US Patent App. 12/050,281

Utilizing Sidewall Spacer Features to Form Magnetic Tunnel Junctions in an Integrated Circuit
Solomon Assefa, Michael C Gaidis, Sivananda Kanakasabapathy, John P Hummel, David W Abraham
US Patent App. 12/120,915


MEMORY STORAGE DEVICE WITH HEATING ELEMENT
D W Abraham, P L Trouilloud
US Patent App. 12/328,401


2007

Method of patterning a magnetic tunnel junction stack for a magneto-resistive random access memory
Michael C Gaidis, David W Abraham, Stephen L Brown, Arunava Gupta, Chanro Park, Wolfgang Raberg, others
US Patent 7,211,446


2006



Method for fabricating magnetic field concentrators as liners around conductive wires in microelectronic devices
Michael C Gaidis, Phillip L Trouilloud, Sivananda K Kanakasabapathy, David W Abraham
US Patent 7,033,881

Magnetic tunnel junction cap structure and method for forming the same
S K Kanakasabapathy, D W Abraham, U Klostermann
US Patent 7,112,861



2005


Magnetoresistive memory devices
D W Abraham, P E Batson, J Slonczewski, P L Trouilloud
EP Patent 0,936,624

Magnetic tunnel junction devices
D W Abraham, W J Gallagher, P L Trouilloud
EP Patent 0,936,623


2004



2003

Method and apparatus for thermal proximity imaging using pulsed energy
D W Abraham, T J Chainer, P L Trouilloud, others
US Patent 6,623,158

Limiting magnetoresistive electrical interaction to a preferred portion of a magnetic region in magnetic devices
D W Abraham, P E Batson, J Slonczewski, P L Trouilloud, W J Gallagher, S Parkin, others
US Patent 6,590,750



2002

Data sharing for multi-CPU mouse/keyboard switcher
D W Abraham, R S Olyha Jr, others
US Patent 6,469,690





2001

Method and apparatus for calibrating a thermal response of a magnetoresistive element
D W Abraham, T J Chainer, K F Etzold, H H Ottesen, G J Smith
US Patent 6,239,936


2000


Method and apparatus for separating magnetic and thermal components from an MR read signal
Gordon J Smith, Hal Hjalmar Ottesen, David William Abraham, Anthony Paul Praino, Mark Edward Re, Hemantha Kumar Wickramasinghe
US Patent 6,088,176


1999

Motion sensing system with adaptive timing for controlling lighting fixtures
D P Eckel, T J Batko, M R Walter, W J Rose, B P Donlon, D A Zeichner
US Patent 5,946,209




1998





1997

Sample carriage for scanning probe microscope
D W Abraham, J M Hammond, M A Klos, K G Roessler, R M Stowell, H K Wickramasinghe
EP Patent 0,597,622


1996




1995

Stress balanced composite laminate material
L J Baer, P G Rickerl, M J Schadt
US Patent 5,427,848


1993

Multi-wavelength optical thermometry
D W Abraham, W M Holber, J S Logan, H K Wickramasinghe
US Patent 5,263,776

Near-field Lorentz force microscopy
D W Abraham, H K Wickramasinghe
EP Patent 0,410,131