Rogers Corporation

World Properties, Inc.

Robert C Daigle

Kristi Dhimiter Pance

Karl Edward Sprentall

Shawn P Williams

Gianni Taraschi

Stephen O'Connor

John A Olenick

Li Zhang

David J Arthur

Scott S Simpson

Yajie Chen

Walter J Paciorek

Gwo S Swei

Daniel J Kubick

W David Smith

Christopher Churchill

David B Noddin

Samuel Malbaurn

Karen Phifer

Dave Sherman

Wei Wang

Brett Kilhenny

Mark St Jean

Victor Rios

In an aspect, an intumescent battery pad for a lithium ion battery comprises a polyurethane foam having a compression force deflection of 5 to 1,035 kilopascals at 25% deflection determined in accordance with ASTM D3574-17; and an intumescent material comprising an acid source, a carbon source, and a blowing agent; wherein the intumescent battery pad has a UL-V0 rating at a thickness of 1 millimeter. In another aspect, a battery can comprise at least two battery cells; and an intumescent battery pad located in between the at least two battery cells.

Intumescent battery pad

A magnetic fiber comprises a core comprising a spinel ferrite of formula MeMFeO, wherein Me is Mg, Mn, Fe, Co, Ni, Cu, Zn, or a combination thereof, x=0 to 0.25, and y=1.5 to 2.5, wherein the core is solid or at least partially hollow; and a shell at least partially surrounding the core, and comprising a MeMFealloy, wherein when the core is solid with Me=Ni and x=0 the magnetic fiber has a diameter of greater than 0.3 micrometer. A magneto-dielectric material having a magnetic loss tangent of less than or equal to 0.03 at 1 GHz comprises a polymer matrix; and a plurality of the magnetic fibers.

Magneto-dielectric materials, methods of making, and uses thereof

A method for the manufacture of a DRA, or an array of the DRA's, each DRA including: a substrate; and, a plurality of volumes of dielectric materials disposed on the substrate comprising N volumes, N being an integer equal to or greater than 3, disposed to form successive and sequential layered volumes V(i), i being an integer from 1 to N, wherein volume V(1) forms an innermost volume, wherein a successive volume V(i+1) forms a layered volume disposed over and at least partially embedding volume V(i), wherein volume V(N) at least partially embeds all volumes V(1) to V(N&#x2212;1), the method including: forming on the substrate a first volume of the plurality of volumes of dielectric materials from a first dielectric material having a first dielectric constant; and, forming over the first volume a second volume of the plurality of volumes of dielectric materials with a second dielectric material having a second dielectric constant.

Broadband multiple layer dielectric resonator antenna and method of making the same

A dielectric resonator antenna (DRA) includes: a volume of a dielectric material configured to be responsive to a signal feed, the signal feed being productive of a main E-field component having a defined direction &#x112; in the DRA; wherein the volume of a dielectric material includes a volume of non-gaseous dielectric material having an inner region having a dielectric medium having a first dielectric constant, the volume of non-gaseous dielectric material that is other than the inner region having a second dielectric constant, the first dielectric constant being less than the second dielectric constant; wherein the volume of non-gaseous dielectric material has a cross sectional overall height Hv as observed in an elevation view of the DRA, and a cross sectional overall width Wv in a direction parallel to the defined direction &#x112; as observed in the plan view of the DRA; and wherein Hv is greater than Wv/2.

Dielectric resonator antenna and method of making the same

A dielectric resonator antenna (DRA) operable at a defined frequency includes: at least one volume of a dielectric material configured and structured to be responsive to a signal feed when electromagnetically coupled to the at least one volume of a dielectric material, the signal feed when present and electrically excited being productive of a main E-field component having a defined direction, &#x112;, in the DRA as observed in a plan view of the DRA; wherein the at least one volume of a dielectric material includes a non-gaseous dielectric material having a defined dielectric constant, the non-gaseous dielectric material having an inner region having a dielectric medium having a dielectric constant that is less than the dielectric constant of the non-gaseous dielectric material, at the defined frequency; wherein the inner region has a cross sectional overall height Hr as observed in an elevation view of the DRA, and a cross sectional overall width Wr in a direction parallel to the direction &#x112; as observed in the plan view of the DRA; and wherein Hr is greater than Wr/2.

A method for the manufacture of a dielectric resonator antenna (DRA) or array of DRAs, the DRA having: an electrically conductive ground structure; a plurality of volumes of dielectric materials disposed on the ground structure having N volumes, N being an integer equal to or greater than 3, disposed to form successive and sequential layered volumes V(i), i being an integer from 1 to N, wherein volume V(1) forms an innermost volume, wherein a successive volume V(i+1) forms a layered shell disposed over and at least partially embedding volume V(i), wherein volume V(N) at least partially embeds all volumes V(1) to V(N&#x2212;1); and, a signal feed disposed and structured to be electromagnetically coupled to one or more of the plurality of volumes of dielectric materials. The method including molding at least one of the plurality of volumes of the dielectric material, or all of the volumes of the dielectric material.

A dielectric resonator antenna (DRA) includes a plurality of volumes of dielectric materials having N volumes, N being an integer equal to or greater than 3, disposed to form successive and sequential layered volumes V(i), i being an integer from 1 to N, and a signal feed disposed to produce a main E-field component having a defined direction, &#x112;, in the DRA. The N volumes include a non-gaseous dielectric material, and have an inner region with a dielectric constant that is less than the dielectric constant of the non-gaseous dielectric material. The inner region has a cross sectional overall height Hr, and a cross sectional overall width Wr in a direction parallel to &#x112;, and the volume of non-gaseous dielectric material has a cross sectional overall height Hv, and a cross sectional overall width Wv in a direction parallel to &#x112;, wherein Hr is greater than Wr/2.

A silicone grip comprising a cured silicone film layer with a Shore A Durometer of less than or equal to about 60 wherein the silicone film layer is formed from a curable silicone composition comprising a catalyst that promotes cure of the silicone composition, a higher molecular weight organopolysiloxane having at least two alkenyl groups per molecule, a lower molecular weight organopolysiloxane having at least two alkenyl groups per molecule, and an organopolysiloxane having at least two silicon-bonded hydrogen atoms per molecule. The cured silicone layer is used in combination with an adhesive to provide a flexible and malleable grip, and/or in combination with a backing layer that can be solid or foamed.

Silicone compositions, methods of manufacture, and articles formed therefrom

In accordance with the present invention, a circuit assembly is manufactured in an additive process using at least one layer of a fluoropolymer composite material and a conductive material. The conductive layers are plated, and the fluoropolymer composite layers are laminated. The use of the filled fluoropolymeric composite eliminates the need for a barrier metal layer between the insulation and the conductors. A plurality of these circuit assemblies are stacked, one on top of the other. At least, selected exposed locations of the conductive material comprise a diffusible conductive material (e.g., gold). Once stacked the circuit assemblies are subjected to lamination under heat and pressure to simultaneously fuse adjacent fluoropolymer composite material and diffuse adjacent diffusible conductive material together to form an integral multilayer circuit having solid conductive interconnects.

Method of manufacturing a multilayer circuit

Methods of fabricating multilayer circuits are presented. In accordance with the present invention, a plurality of circuit layers comprised of a dielectric substrate having a circuit formed thereon are stacked, one on top of the other. The dielectric substrate is composed of a polymeric material capable of undergoing fusion bonding such as a fluoropolymeric based substrate. The circuits each include a layer of a noble metal at, at least, selected exposed locations. Once stacked the circuits are subjected to lamination under heat and pressure to simultaneously fuse all of the substrate and diffuse conductive layers together to form an integral multilayer circuit having solid conductive interconnects.

Method of manufacturing a multilayer circuit board

Methods of fabricating multilayer circuits are presented. In accordance with the present invention, a plurality of circuit layers comprised of a dielectric substrate having a circuit formed thereon are stacked, one on top of the other. The dielectric substrate is composed of a polymeric material capable of undergoing fusion bonding such as a fluoropolymeric based substrate. Fusible conductive bonding material (e.g. solder) is applied on selected exposed circuit traces (prior to the stacking step) whereupon the entire stack-up is subjected to lamination under heat and pressure to simultaneously fuse all of the substrate and conductive layers together to form an integral multilayer circuit having solid conductive interconnects.

Growing community of inventors

Amston, CT, United States of America

Robert C Daigle