P

Inventor

HOBBS PHILIP C D

US23 patents

Patents

23 patents
US5220403AJun 15, 1993

Apparatus and a method for high numerical aperture microscopic examination of materials

IBM268 citations99
US5208648AMay 4, 1993

Apparatus and a method for high numerical aperture microscopic examination of materials

IBM171 citations99
US5638176AJun 10, 1997

Inexpensive interferometric eye tracking system

IBM126 citations98
US5516608AMay 14, 1996

Method for controlling a line dimension arising in photolithographic processes

IBM143 citations97
US7889992B1Feb 15, 2011

Hybrid superconductor-optical quantum repeater

IBM77 citations96
US5192870AMar 9, 1993

Optical submicron aerosol particle detector

IBM69 citations96
US5133602AJul 28, 1992

Particle path determination system

IBM55 citations96
US5298975AMar 29, 1994

Combined scanning force microscope and optical metrology tool

IBM130 citations94
US6118518ASep 12, 2000

Assembly comprising a pocket 3-D scanner

IBM37 citations92
US5343290AAug 30, 1994

Surface particle detection using heterodyne interferometer

IBM36 citations92
US5134276AJul 28, 1992

Noise cancelling circuitry for optical systems with signal dividing and combining means

IBM52 citations92
US7853105B2Dec 14, 2010

Coupling element alignment using waveguide fiducials

IBM15 citations91
US7421160B1Sep 2, 2008

Coupling element alignment using waveguide fiducials

IBM36 citations91
US5116583AMay 26, 1992

Suppression of particle generation in a modified clean room corona air ionizer

IBM47 citations91
US6259712B1Jul 10, 2001

Interferometer method for providing stability of a laser

IBM28 citations90
US5986759ANov 16, 1999

Optical interferometer measurement apparatus and method

IBM19 citations90
US5316970AMay 31, 1994

Generation of ionized air for semiconductor chips

IBM21 citations90
US6449382B1Sep 10, 2002

Method and system for recapturing a trajectory of an object

IBM49 citations89
US5204631AApr 20, 1993

System and method for automatic thresholding of signals in the presence of Gaussian noise

IBM10 citations74
US5294806AMar 15, 1994

Optical submicron aerosol particle detector

IBM15 citations73
US5432670AJul 11, 1995

Generation of ionized air for semiconductor chips

IBM8 citations71
US7542643B2Jun 2, 2009

Coupling element alignment using waveguide fiducials

IBM2 citations61
US7412134B2Aug 12, 2008

Apparatus and methods for remakeable connections to optical waveguides

IBM0 citations52