Inventor

MOHANTY NIHAR RANJAN

US30 patents

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

MOHANTY NIHAR RANJAN

FACEBOOK TECH LLC

Gratings with variable depths formed using planarization for waveguide displays

Overcoating slanted surface-relief structures using atomic layer deposition

Duty cycle, depth, and surface energy control in nano fabrication

Diffraction grating with a variable refractive index using ion implantation

Gratings with variable etch heights for waveguide displays

Duty cycle, depth, and surface energy control in nano fabrication

Gratings with variable depths formed using planarization for waveguide displays

Gratings with variable etch heights for waveguide displays

Duty cycle range increase for waveguide combiners

Bragg-like gratings on high refractive index material

Gratings with variable depths for waveguide displays

Outward coupling suppression in waveguide display

Manufacturing three-dimensional diffraction gratings by selective deposition or selective etching

Reactivity enhancement in ion beam etcher

H2-assisted slanted etching of high refractive index material

Variable-etch-depth gratings

Outward coupling suppression in waveguide display

Nanoimprint lithography material with switchable mechanical properties

Nanoimprint lithography processes for switching mechanical properties of imprint materials

Hydrogen/nitrogen doping and chemically assisted etching of high refractive index gratings

Nanoimprint lithography process using low surface energy mask

Outward coupling suppression in waveguide display

Planarization of overcoat layer on slanted surface-relief structures

Fabricating of diffraction grating by ion beam etching

Manufacturing three-dimensional diffraction gratings by selective deposition or selective etching

META PLATFORMS TECH LLC

Gratings with variable depths formed using planarization for waveguide displays

In-field illumination for eye tracking

Reclamation of energy leaking from waveguides

Gray-tone lithography for precise control of grating etch depth

Dimming control with display-directed activation light for an optical assembly