Inventor

JOHNSON KENNETH C

67 patents

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

JOHNSON KENNETH C

JOHNSON KENNETH C

Two-axis tracking solar collector mechanism

Dispersion-compensated fresnel lens

Two-axis tracking solar collector mechanism

EUV light source with spectral purity filter and power recycling

Spot-array imaging system for maskless lithography and parallel confocal microscopy

Fastener

Optical systems and methods for absorbance modulation

Maskless, microlens EUV lithography system with grazing-incidence illumination optics

Fresnel scroll solar tracking device

Hologram movie projection apparatus

Stacked-grating light modulator

Scanned-spot-array EUV lithography system

THERMA WAVE INC

Overlay alignment metrology using diffraction gratings

Spectroscopic ellipsometer without rotating components

Database interpolation method for optical measurement of diffractive microstructures

Reduced multicubic database interpolation method for optical measurement of diffractive microstructures

Method of measuring meso-scale structures on wafers

Method of measuring meso-scale structures on wafers

CD metrology method

Optimized aperture shape for optical CD/profile metrology

(unassigned)

Maskless, microlens EUV lithography system

High-throughput, maskless lithography system

Microlens scanner for microlithography and wide-field confocal microscopy

System for analyzing surface characteristics with self-calibrating capability

Wafer alignment sensor using a phase-shifted microlens array

Multi-stage microlens array

Pixel cross talk suppression in digital microprinters

LITTELL INTERNATIONAL INC

System for bringing the joint edges of sheet material into butting relationship for welding

Clamping system for sheet material in a welding system

System and method for laser butt-welding

Bearing assembly for shear

System and method for laser welding

System for gauging the position of joint edges for welding

LITTELL MACHINE CO F J

Uncoiling and straightening apparatus for strip material

Straightener with individually removable roll and pivoted bearing housing and roll design

Automated lock device for press feed belt drives

Roll feed with modular roll lifter mechanism

Device for coating strip material

TOKYO ELECTRON LTD

Overlay alignment metrology using diffraction gratings

Reduced multicubic database interpolation method for optical measurement of diffractive microstructures

Small-spot spectrometry instrument with reduced polarization and multiple-element depolarizer therefor

Database interpolation method for optical measurement of diffractive microstructures

KLA TENCOR CORP

System for analyzing surface characteristics with self-calibrating capability

Apodizing filter system useful for reducing spot size in optical measurements and other applications

SENSYS INSTR

Method of measuring meso-scale structures on wafers

HUGHES AIRCRAFT CO

Directional diffusing screen

CLARK EQUIPMENT CO

Emergency hydraulic system

SENSYS INSTR CORP

Small-spot spectrometry instrument with reduced polarization

SPERRY RAND CORP

Frequency deviation digital display circuit

IEC ELECTRONICS CORP

Interconnect control for automatically connecting a simplex or half-duplex radio network to a standard telephone system