Inventor

TIWALD THOMAS E

US21 patents

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

TIWALD THOMAS E

J A WOOLLAM CO INC

Sample analysis methodology utilizing electromagnetic radiation

Method of applying parametric oscillators to model dielectric functions

Method for evaluating complex refractive indicies utilizing IR range ellipsometry

Integrated mid-infrared, far infrared and terahertz optical Hall effect (OHE) instrument, and method of use

Use of ellipsometry and surface plasmon resonance in monitoring thin film deposition or removal from a substrate surface

Small volume cell

Method of determining bulk refractive indicies of fluids from thin films thereof

Method to enhance sensitivity to surface normal optical functions of anisotropic films using attenuated total reflection

Integrated vacuum-ultraviolet, mid and near-ultraviolet, visible, near, mid and far infrared and terahertz optical hall effect (OHE) instrument, and method of use

Sample investigating system

System for reducing stress induced effects during determination of fluid optical constants

Determination of thickness and impurity profiles in thin membranes utilizing spectorscopic data obtained from ellipsometric investigation of both front and back surfaces

Back surface reflection reduction systems and methodology

Horizontal attenuated total reflection system

Method of determining bulk refractive indicies of liquids from thin films thereof

Ellipsometric investigation of thin films

Ellipsometric investigation of anisotropic samples

PFEIFFER GALEN L

Small volume cell

Small volume cell

Small volume cell

LIPHARDT MARTIN M

Sample investigating system and method of use