Inventor

CHALLENER WILLIAM A

US21 patents

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

CHALLENER WILLIAM A

IMATION CORP

Near normal incidence optical assaying method and system having wavelength and angle sensitivity

Diffraction anomaly sensor having grating coated with protective dielectric layer

Diffraction anomaly sensor having grating coated with protective dielectric layer

Optical sensor having dielectric film stack

Optical sensor having optimized surface profile

Optical assaying method and system having rotatable sensor disk with multiple sensing regions

Sensor disk having radial grooves and optical assaying method using same

Optical assaying method and system having movable sensor with multiple sensing regions

Optical sensor having dielectric film stack

SEAGATE TECHNOLOGY LLC

Heat assisted magnetic recording head with a planar waveguide

Diffraction grating

Near field transducer with shaped energy radiating end

Thin film structure with controlled lateral thermal spreading in the thin film

Recording pole for delivering coincident heat and magnetic field

Near field transducer with shaped energy radiating end

Phase compensator for coupling an electromagnetic wave into an optical condenser

Writeable optical recording of multilevel oriented nano-structure discs

(unassigned)

Near normal incidence optical assaying method and system having wavelength and angle sensitivity

LEE LIEN

Near-field transducers for focusing light

LU BIN

Thin film structure with controlled lateral thermal spreading in the thin film

KARNS DUANE C

Multilevel data structure