Inventor

LIU CHANGHUA

US21 patents

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

LIU CHANGHUA

INTEL CORP

Device, method and system for optical communication with a waveguide structure and an integrated optical coupler of a photonic integrated circuit chip

Substrate with variable height conductive and dielectric elements

First layer interconnect first on carrier approach for EMIB patch

Photonic integrated circuit to glass substrate alignment through dual cylindrical lens

First layer interconnect first on carrier approach for EMIB patch

First layer interconnect first on carrier approach for EMIB patch

Photonic integrated circuit to glass substrate alignment through integrated cylindrical lens and waveguide structure

Die last and waveguide last architecture for silicon photonic packaging

Dual-damascene zero-misalignment-via process for semiconductor packaging

Methods and apparatus to reduce defects in interconnects between semiconductor dies and package substrates

Method to achieve tilted patterning with a through resist thickness using projection optics

Prism-mask for angled patterning applications

Device, method and system for optical communication with a photonic integrated circuit chip and a transverse oriented lens structure

Method to achieve tilted patterning with a through resist thickness

Dual-damascene zero-misalignment-via process for semiconductor packaging

Die first fan-out architecture for electric and optical integration

Position controlled waveguides and methods of manufacturing the same

Anisotropic etching systems and methods using a photochemically enhanced etchant

Non-destructive 3-dimensional chemical imaging of photo-resist material

JOHNSON MATTHEY PHARMACEUTICAL

Synthesis of nitroalcohol diastereomers

SUN PHARMACEUTICAL IND INC

Deuterated JAK inhibitor and uses thereof