Inventor

WICKRAMASINGHE HEMANTHA K

US49 patents

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

WICKRAMASINGHE HEMANTHA K

IBM

Method and apparatus for mass data storage

Method and apparatus for detecting asperities on magnetic disks using thermal proximity imaging

Chemical mechanical polishing in-situ end point system

Method suitable for identifying a code sequence of a biomolecule

Two dimensional profiling with a contact force atomic force microscope

Scanning capacitance - voltage microscopy

Atomic photo-absorption force microscope

Apertureless near field optical microscope

Absorption microscopy and/or spectroscopy with scanning tunneling microscopy control

Combined scanning force microscope and optical metrology tool

Surface profiling using scanning force microscopy

Magnetic recording system with single coil for thermally assisted writing

Self assembled nano-devices using DNA

Assembly and a method suitable for identifying a code

Method for measuring a trench depth parameter of a material

Depth measurement of high aspect ratio structures

Multi-wavelength optical thermometry

Near-field lorentz force microscopy

Structure for confining the switching current in phase memory (PCM) cells

Indirect switching and sensing of phase change memory cells

Chemical-mechanical polishing system and method for integrated spin dry-film thickness measurement

Ultrafine silicon tips for AFM/STM profilometry

Feedback controlled differential fiber interferometer

Method of producing ultrafine silicon tips for the afm/stm profilometry

Support and alignment device for enabling chemical mechanical polishing rinse and film measurements

Device and method for generating an x-ray point source by geometric confinement

Interferometric near-field apparatus based on multi-pole sensing

Interferometric measuring method based on multi-pole sensing

Sample carriage for scanning probe microscope

Assembly suitable for identifying a code sequence of a biomolecule in a gel embodiment

Assembly suitable for identifying a code sequence of a biomolecule in a free-solution embodiment

Sub-lithographic printing method

Optical storage system using an antenna for recording information data to a phase-change type medium

Ferroelectric storage read-write memory

Nano-devices using block-copolymers

Nano-devices using block-copolymers

Non-planarized, self-aligned, non-volatile phase-change memory array and method of formation

Method and apparatus to separate molecules according to their mobilities

Optical storage system using an antenna for recording information data to a phase-change type medium

Device and method for generating an x-ray point source by geometric confinement

HITACHI GLOBAL STORAGE TECH

Method of forming a patterned magnetic recording medium

Apparatus and method of configuring the air bearing surfaces of sliders in disk drives for producing high temperatures in thermally-assisted recordings

Apparatus for patterning recording media

NAT RES DEV

Irradiative probe system

Acoustic coupling device

Scanning acoustic microscope

LAM CHUNG H

Sub-lithographic printing method

Sub-lithographic printing method

UNIV CALIFORNIA

Integrated electrowetting nano-injector and aspirator