Eugene N Freeman

US Patent:

20210278484, Sep 9, 2021

Filed:

Mar 5, 2020

Appl. No.:

16/810594

Inventors:

- Morris Plains NJ, US
Steven Tin - Edina MN, US
Matthew Robbins - Minneapolis MN, US
Eugene Freeman - Eden Prairie MN, US

Assignee:

Honeywell International Inc. - Morris Plains NJ

International Classification:

G01R 33/032

Abstract:

A magnetometer comprises a diode structure including a diamond material having free electrons and free charge carriers. An electrical circuit is coupled to the diode structure and is operative to apply a forward bias voltage to the diode structure. An optical detector is operative to collect and measure an electroluminescence produced by the diode structure after the forward bias voltage is applied to the diode structure. A processor is coupled to the optical detector and is operative to determine a magnetic field based on the measured electroluminescence produced by the diode structure.

US Patent:

20200048077, Feb 13, 2020

Filed:

Jan 22, 2019

Appl. No.:

16/253421

Inventors:

- Morris Plains NJ, US
Eugene Freeman - Eden Prairie MN, US

Assignee:

Honeywell International Inc. - Morris Plains NJ

International Classification:

B81C 1/00
B81B 7/00
G01C 19/574

Abstract:

A method comprises: patterning a substrate, including a conductive region, with photoresist exposed by lithography, where the substrate is mounted on a handle substrate; forming a comb structure with conductive fingers on the substrate by at least removing a portion of the conductive region of the substrate; removing the photoresist; forming, one atomic layer at a time, at least one atomic layer of at least one conductor over at least one sidewall of each conductive finger; attaching at least one insulator layer to the comb structure, and the substrate from which the comb structure is formed; and removing the handle substrate.

US Patent:

20180180580, Jun 28, 2018

Filed:

Dec 27, 2017

Appl. No.:

15/855360

Inventors:

- University Park PA, US
Eugene Freeman - St Louis Park MN, US
Chenchen Zhang - University Park PA, US

International Classification:

G01N 30/74
G02B 6/293
B01L 3/00
G01N 33/487
G01N 30/88
G01N 25/48
B01D 53/02

Abstract:

A sensing and analysis system on a chip for sensing and analyzing chemical or biological analytes includes a chromatography column having an inlet and an outlet formed on the chip for temporal separation of components of analytes and at least one whispering gallery mode (WGM) optical resonator for sensing of the components. The chromatography column is formed on a first wafer layer. Each WGM optical resonator includes a hollow sealed enclosure formed at or over the inlet or the outlet of or elsewhere along the chromatography column such that a gas flowing through the chromatography column fills the hollow sealed enclosure. Each WGM optical resonator further includes an optical waveguide aligned with the sealed hollow enclosure for evanescent wave light coupling.