公开(公告)号：US20170145182A1

公开(公告)日：2017-05-25

申请号：US15352096

申请日：2016-11-15

Applicant: ROGERS CORPORATION

Inventor： Allen F. Horn, III ,  Christopher J. Caisse ,  Patricia A. LaFrance

IPC: C08K3/22 ,  H01Q1/24 ,  C08J5/18 ,  B29C47/00 ,  B29C43/24 ,  G06F1/16 ,  H01Q9/04

CPC classification number: C08K3/22 ,  B29C43/24 ,  B29C48/022 ,  B29K2105/253 ,  C08J5/18 ,  C08J2327/18 ,  C08K2003/2241 ,  G06F1/1613 ,  H01B3/002 ,  H01Q1/243 ,  H01Q9/0485

Abstract: In an embodiment, a dielectric substrate comprises an unsintered polytetrafluoroethylene; and a high dielectric constant filler, wherein the dielectric constant of the high dielectric constant filler is greater than or equal to 35; wherein the dielectric substrate has a specific gravity of greater than or equal to 90% of a calculated theoretical density of the dielectric substrate, wherein the theoretical specific gravity is calculated based on a measured specific gravity of the high dielectric constant filler, the specific gravity of the unsintered polytetrafluoroethylene, and the relative weight fractions of the unsintered polytetrafluoroethylene and the high dielectric constant filler; and wherein the dielectric substrate has a dielectric constant of greater than or equal to 11.5 as determined at a frequency of 10 GHz.

公开(公告)号：US11637377B2

公开(公告)日：2023-04-25

申请号：US17299513

申请日：2019-11-22

Applicant: ROGERS CORPORATION

Inventor： Gianni Taraschi ,  Kristi Pance ,  Stephen O'Connor ,  Christopher Brown ,  Trevor Polidore ,  Allen F. Horn, III ,  Dirk Baars ,  Roshin Rose George ,  Jared Duperre ,  Shailesh Pandey ,  Karl E. Sprentall ,  Shawn P. Williams ,  William Blasius

IPC: H01Q9/04 ,  H01Q21/00 ,  H01Q21/06 ,  H01P7/10 ,  H01P1/208

Abstract: A method of making a dielectric, Dk, electromagnetic, EM, structure, includes: providing a first mold portion comprising substantially identical ones of a first plurality of recesses arranged in an array; filling the first plurality of recesses with a curable first Dk composition having a first average dielectric constant greater than that of air after full cure; placing a substrate on top of and across multiple ones of the first plurality of recesses filled with the first Dk composition, and at least partially curing the curable first Dk composition; and, removing the substrate with the at least partially cured first Dk composition from the first mold portion, resulting in an assembly having the substrate and a plurality of Dk forms including the at least partially cured first Dk composition, each of the plurality of Dk forms having a three dimensional, 3D, shape defined by corresponding ones of the first plurality of recesses.

公开(公告)号：US10947367B2

公开(公告)日：2021-03-16

申请号：US16275420

申请日：2019-02-14

Applicant: ROGERS CORPORATION

Inventor： Allen F. Horn, III ,  Patricia A LaFrance ,  Christopher J. Caisse ,  Karl Edward Sprentall

IPC: C08K9/06 ,  C08F14/26 ,  C08K3/22 ,  C08J5/18 ,  H01F1/34 ,  B29K509/00 ,  H01F41/02 ,  B29C43/24 ,  B29C43/00 ,  B29K27/18

Abstract: Disclosed herein is a hexaferrite composite comprising polytetrafluoroethylene; and greater than or equal to 40 vol %, or 40 to 90 vol % a plurality of Co2Z hexaferrite particles based on the total volume of the polytetrafluoroethylene and the plurality of Co2Z hexaferrite particles on a void-free basis; wherein the hexaferrite composite has a porosity of greater than or equal to 10 vol % based on the total volume of the hexaferrite composite; wherein the hexaferrite composite has a permeability of greater than or equal to 2.5 and a ratio of the permeability to the permittivity of greater than or equal to 0.4, both determined at 500 MHz.

公开(公告)号：US20190264005A1

公开(公告)日：2019-08-29

申请号：US16275420

申请日：2019-02-14

Applicant: ROGERS CORPORATION

Inventor： Allen F. Horn, III ,  Patricia A. LaFrance ,  Christopher J. Caisse ,  Karl Edward Sprentall

IPC: C08K9/06 ,  C08F14/26 ,  C08K3/22 ,  C08J5/18 ,  H01F1/34

Abstract: Disclosed herein is a hexaferrite composite comprising polytetrafluoroethylene; and greater than or equal to 40 vol %, or 40 to 90 vol % a plurality of Co2Z hexaferrite particles based on the total volume of the polytetrafluoroethylene and the plurality of Co2Z hexaferrite particles on a void-free basis; wherein the hexaferrite composite has a porosity of greater than or equal to 10 vol % based on the total volume of the hexaferrite composite; wherein the hexaferrite composite has a permeability of greater than or equal to 2.5 and a ratio of the permeability to the permittivity of greater than or equal to 0.4, both determined at 500 MHz.

公开(公告)号：US09596755B2

公开(公告)日：2017-03-14

申请号：US14882967

申请日：2015-10-14

Applicant: ROGERS CORPORATION

Inventor： Murali Sethumadhavan ,  Allen F. Horn, III ,  Karl Edward Sprentall ,  Michael White

IPC: H05K1/03 ,  H01F1/34 ,  H01F17/00 ,  D06M11/83 ,  D06M15/227 ,  H05K3/04 ,  H05K3/06 ,  H05K3/46

CPC classification number: H05K1/0353 ,  D06M11/83 ,  D06M15/227 ,  D06M2200/00 ,  H01F1/348 ,  H01F17/0006 ,  H05K3/043 ,  H05K3/061 ,  H05K3/4644 ,  H05K2201/083

Abstract: In an embodiment, a magneto-dielectric substrate comprises a dielectric polymer matrix; and a plurality of hexaferrite particles dispersed in the polymer matrix in an amount and of a type effective to provide a magneto-dielectric substrate having a magnetic constant of greater than or equal to 2.5 from 0 to 500 MHz, or 3 to 8 from 0 to 500 MHz; a magnetic loss of less than or equal to 0.1 from 0 to 500 MHz, or 0.001 to 0.05 over 0 to 500 MHz; and a dielectric constant of 1.5 to 8 or 2.5 to 8 from 0 to 500 MHz.

Abstract translation: 在一个实施例中，磁介电基片包括电介质聚合物基体; 以及分散在聚合物基体中的数量和类型的多个六铁素体颗粒，其有效地提供磁介质基底，其磁性常数为从0至500MHz大于或等于2.5，或3至8从0至 500 MHz; 0至500MHz的磁损耗小于或等于0.1，在0至500MHz时为0.001至0.05; 介电常数为0〜500MHz的1.5〜8或2.5〜8。

公开(公告)号：US20230399237A1

公开(公告)日：2023-12-14

申请号：US18205007

申请日：2023-06-02

Applicant: ROGERS CORPORATION

Inventor： Yajie Chen ,  Lance Young ,  Allen F. Horn, III ,  William Blasius ,  Lori Brock

IPC: C01G49/00 ,  C08K3/22

CPC classification number: C01G49/0054 ,  C08K3/22 ,  C01P2004/61 ,  C08K2003/2265 ,  C01P2006/42

Abstract: In an aspect, a Co2Y-type ferrite includes oxides of at least Ba, La, Co, Me, Fe, and optionally Ca; wherein Me is at least Ni and optionally one or more of Zn, Cu, Mn, or Mg. A composite can include the Co2Y-type ferrite and a polymer. An article can include the Co2Y-type ferrite.

公开(公告)号：US20160276072A1

公开(公告)日：2016-09-22

申请号：US15074036

申请日：2016-03-18

Applicant: ROGERS CORPORATION

Inventor： Murali Sethumadhavan ,  Allen F. Horn, III ,  Karl Edward Sprentall ,  Michael White

IPC: H01F1/03

CPC classification number: H01F1/0315 ,  H01F1/348 ,  H01F1/37 ,  H01F17/0006 ,  H05K1/0373 ,  H05K2201/086

Abstract: In an embodiment, a magneto-dielectric substrate comprises a dielectric polymer matrix; and a plurality of hexaferrite particles dispersed in the dielectric polymer matrix in amount and of a type effective to provide the magneto-dielectric substrate with a magnetic constant of less than or equal to 3.5 from 500 MHz to 1 GHz, or 3 to 8 from 500 MHz to 1 GHz, and a magnetic loss of less than or equal to 0.1 from 0 to 1 GHz, or 0.001 to 0.07 over 0 to 1 GHz.

Abstract translation: 在一个实施例中，磁介电基片包括电介质聚合物基体; 以及分散在电介质聚合物基体中的数量和数量的多个六铁素体颗粒，并且有效地为从500MHz至1GHz提供小于或等于3.5的磁常数或从500提供3至8的磁介电基板 MHz至1GHz，以及从0至1GHz小于或等于0.1的磁损耗，或0至1GHz的0.001至0.07的磁损耗。

公开(公告)号：US20160113113A1

公开(公告)日：2016-04-21

申请号：US14882967

申请日：2015-10-14

Applicant: ROGERS CORPORATION

Inventor： Murali Sethumadhavan ,  Allen F. Horn, III ,  Karl Edward Sprentall ,  Michael White

IPC: H05K1/03 ,  H05K3/46 ,  H05K3/04 ,  H05K3/06 ,  D06M15/227 ,  D06M11/83

CPC classification number: H05K1/0353 ,  D06M11/83 ,  D06M15/227 ,  D06M2200/00 ,  H01F1/348 ,  H01F17/0006 ,  H05K3/043 ,  H05K3/061 ,  H05K3/4644 ,  H05K2201/083

Abstract: In an embodiment, a magneto-dielectric substrate comprises a dielectric polymer matrix; and a plurality of hexaferrite particles dispersed in the polymer matrix in an amount and of a type effective to provide a magneto-dielectric substrate having a magnetic constant of greater than or equal to 2.5 from 0 to 500 MHz, or 3 to 8 from 0 to 500 MHz; a magnetic loss of less than or equal to 0.1 from 0 to 500 MHz, or 0.001 to 0.05 over 0 to 500 MHz; and a dielectric constant of 1.5 to 8 or 2.5 to 8 from 0 to 500 MHz.

Abstract translation: 在一个实施例中，磁介电基片包括电介质聚合物基体; 以及分散在聚合物基体中的数量和类型的多个六铁素体颗粒，其有效地提供磁介质基底，其磁性常数为从0至500MHz大于或等于2.5，或3至8从0至 500 MHz; 0至500MHz的磁损耗小于或等于0.1，在0至500MHz时为0.001至0.05; 介电常数为0〜500MHz的1.5〜8或2.5〜8。

公开(公告)号：US20220029297A1

公开(公告)日：2022-01-27

申请号：US17299513

申请日：2019-11-22

Applicant: ROGERS CORPORATION

Inventor： Gianni Taraschi ,  Kristi Pance ,  Stephen O'Connor ,  Christopher Brown ,  Trevor Polidore ,  Allen F. Horn, III ,  Dirk Baars ,  Roshin Rose George ,  Jared Duperre ,  Shailesh Pandey ,  Karl E. Sprentall ,  Shawn P. Williams ,  William Blasius

IPC: H01Q9/04 ,  H01Q21/00 ,  H01Q21/06

Abstract: A method of making a dielectric, Dk, electromagnetic, EM, structure, includes: providing a first mold portion comprising substantially identical ones of a first plurality of recesses arranged in an array; filling the first plurality of recesses with a curable first Dk composition having a first average dielectric constant greater than that of air after full cure; placing a substrate on top of and across multiple ones of the first plurality of recesses filled with the first Dk composition, and at least partially curing the curable first Dk composition; and, removing the substrate with the at least partially cured first Dk composition from the first mold portion, resulting in an assembly having the substrate and a plurality of Dk forms including the at least partially cured first Dk composition, each of the plurality of Dk forms having a three dimensional, 3D, shape defined by corresponding ones of the first plurality of recesses.