3m Innovative Properties Company

Solventum Intellectual Properties Company

Jaime B Willoughby

Michael C Palazzotto

James D Hansen

David Adams Ender

Charles David Hoyle

Barry S Carpenter

Jun-Ying Zhang

John M Pilgrim

Charles A Marttila

Robert J Devoe

Jennifer J Sahlin

Guoping Mao

Tzu-Chen Lee

Stefan H Gryska

Jonathan Dale Gandrud

Joseph C Dingeldein

Alexandra R Cunliffe

Gustavo H Castro

Ryan D Erickson

Justin Tungjunyatham

Gregory J Anderson

Christopher R Kokaisel

A method of fabricating a fuel injector nozzle comprising the steps of: (a) forming a first microstructured pattern in a first material; (b) replicating the first microstructured pattern in a second material to make a first mold comprising a second microstructured pattern in the second material; (c) replicating the second microstructured pattern in a third material to make a second mold comprising a third microstructured pattern comprising a plurality of microstructures in the third material; (d) replicating the third microstructured pattern in a metal material to make a replicated structure; and (e) removing the third material resulting in a nozzle having a plurality of through-holes through the metal material and corresponding to the plurality of microstructures in the third microstructured pattern. Each of the plurality of through-holes has a hole wall connecting a hole entry to a hole exit, and the hole wall of at least one through-hole has a side that curves from its hole entry to its hole exit.

Method of making a fuel injector nozzle

A fuel injector nozzle comprising a plurality of holes formed therethrough connecting one side of the nozzle with an opposite side of the nozzle. Each of the holes comprises a hole entry on the one side of the nozzle having a first shape, a hole exit on the opposite side of the nozzle having a second shape, and a hole wall connecting the hole entry to the hole exit. The hole exit is smaller than the hole entry, and the hole wall comprises a side that is continuously curved from the hole entry to the hole exit.

Fuel injector nozzle

A portable device includes an outer housing including an inlet port and a outer slot adapted to receive a vapor sensor card; an operating circuit disposed at least partially within the outer housing; a sensor holder at least partially disposed within the outer housing. The sensor holder includes: an inner housing including a gas intake chamber in downstream fluid communication with the inlet port. The gas intake chamber has a gas outlet in fluid communication with an inner slot retaining a sensor card socket for engaging the vapor sensor card. The sensor holder further comprises an electrical heater element, a fan, and a turbulent-flow-inducing member. The vapor sensor card comprises a sensor housing and a capacitive sensor element.

Portable electronic device and vapor sensor card

Lightguides, devices incorporating lightguides, processes for making lightguides, and tools used to make lightguides are described. A lightguide includes light extractors arranged in a plurality of regions on a surface of the lightguide. The orientation of light extractors in each region is arranged to enhance uniformity and brightness across a surface of the lightguide and to provide enhanced defect hiding. The efficiency of the light extractors is controlled by the angle of a given light extractor face with respect to a light source illuminating the light guide.

Light guides having enhanced light extraction

A method of fabricating a nozzle that includes providing a first material capable of undergoing multiphoton reaction; forming a first microstructured pattern in the first material using a multiphoton process; replicating the first microstructured pattern in a second material to make a first mold comprising a second microstructured pattern in the second material; replicating the second microstructured pattern in a third material to make a second mold comprising a third microstructured pattern comprising microstructures in the third material; replicating the third microstructured pattern in a fourth material to make a replicated structure; planarizing the replicated structure to expose tops of the microstructures in the plurality of microstructures in the third microstructured pattern; and removing the third material resulting in the nozzle having a plurality of holes in the fourth material.

Method of making a nozzle

Light guides comprising light extraction structure arrays and articles comprising such light guides are described.

Process for making light guides with extraction structures and light guides produced thereby

A process comprises imagewise exposing at least a portion of a photoreactive composition to light sufficient to cause simultaneous absorption of at least two photons/thereby inducing at least one acid- or radical-initiated chemical reaction where the composition is exposed to the light, the imagewise exposing being carried out in a pattern that is effective to define at least the surface of a plurality of light extraction structures. Each one of the array of light extraction structures has at least one shape factor; the shape factor may vary across the array. At least one light extraction structure may have the geometric configuration of a truncated asphere.

A process comprises imagewise exposing at least a portion of a photoreactive composition to light sufficient to cause simultaneous absorption of at least two photons, thereby inducing at least one acid- or radical-initiated chemical reaction where the composition is exposed to the light, the imagewise exposing being carried out in a pattern that is effective to define at least the surface of a plurality of light extraction structures.

Growing community of inventors

Hugo, MN, United States of America

Jaime B Willoughby