公开(公告)号：US20200083602A1

公开(公告)日：2020-03-12

申请号：US16564626

申请日：2019-09-09

Applicant: Rogers Corporation

Inventor： Murali Sethumadhavan ,  Michael S. White ,  Gianni Taraschi ,  Kristi Pance

IPC: H01Q1/50 ,  H01Q13/02

Abstract: An electromagnetic device includes: an electrically conductive ground structure; at least one dielectric resonator antenna (DRA) disposed on the ground structure; at least one electromagnetic (EM) beam shaper disposed proximate a corresponding one of the DRA; and, at least one signal feed disposed electromagnetically coupled to a corresponding one of the DRA. The at least one EM beam shaper having: an electrically conductive horn; a body of dielectric material having a dielectric constant that varies across the body of dielectric material in a specific direction; or, both the electrically conductive horn and the body of dielectric material.

公开(公告)号：US20170038616A1

公开(公告)日：2017-02-09

申请号：US15222395

申请日：2016-07-28

Applicant: Rogers Corporation

Inventor： Murali Sethumadhavan ,  Trevor Polidore

IPC: G02F1/1333 ,  B32B5/02 ,  B32B7/12

CPC classification number: G02F1/1333 ,  B32B5/022 ,  B32B7/12 ,  B32B2262/02 ,  B32B2307/54 ,  B32B2307/558 ,  B32B2457/20 ,  B32B2457/202 ,  G02F1/133305 ,  G02F1/133308 ,  G02F2001/133311 ,  G02F2201/503 ,  G02F2201/505 ,  G02F2202/022

Abstract: A subassembly for a display device includes a display component having an outer display surface and an opposite inner surface; a compressible pressure pad including a plurality of nonwoven fibers having an average diameter of 100 micrometers or less, disposed on the inner surface of the display component; and an internal component disposed on a side of the compressible pressure pad on a side opposite the display component. Methods for reducing ripple effect and improving impact absorption in a display device are also described.

Abstract translation: 用于显示装置的子组件包括具有外部显示表面和相对的内表面的显示部件; 包括平均直径为100微米或更小的多个非织造纤维的可压缩压力垫，设置在所述显示部件的内表面上; 以及设置在与所述显示部件相对的一侧的所述可压缩压垫的一侧的内部部件。 还描述了在显示装置中减少纹波效应和改善冲击吸收的方法。

公开(公告)号：US12300798B2

公开(公告)日：2025-05-13

申请号：US17539619

申请日：2021-12-01

Applicant: Rogers Corporation

Inventor： Jing Jiang ,  Wei Wang ,  Jian Zhang ,  Lei Liu ,  Christopher Churchill ,  Aniruddha Shere ,  Murali Sethumadhavan

IPC: H01M10/658 ,  B32B5/18 ,  B32B7/12 ,  B32B9/04

Abstract: A thermally insulating multilayer sheet includes a compressible layer, and a thermal insulation layer, a flame retardant layer, or a combination thereof disposed on the compressible layer.

公开(公告)号：US11626228B2

公开(公告)日：2023-04-11

申请号：US15850466

申请日：2017-12-21

Applicant: Rogers Corporation

Inventor： Karl E. Sprentall ,  Aniruddha J. Shere ,  Yajie Chen ,  Murali Sethumadhavan

IPC: H01F10/26 ,  H01F10/14 ,  H01F10/30 ,  H01Q9/04 ,  H05K1/03 ,  H01Q1/38

Abstract: A magneto-dielectric material operable between a minimum frequency and a maximum frequency, having: a plurality of layers that alternate between a dielectric material and a ferromagnetic material, lowermost and uppermost layers of the plurality of layers each being a dielectric material; each layer of the plurality of ferromagnetic material layers having a thickness equal to or greater than 1/15th a skin depth of the respective ferromagnetic material at the maximum frequency, and equal to or less than ⅕th the skin depth of the respective ferromagnetic material at the maximum frequency; each layer of the plurality of dielectric material layers having a thickness and a dielectric constant that provides a dielectric withstand voltage across the respective thickness of equal to or greater than 150 Volts peak and equal to or less than 1,500 Volts peak; and, the plurality of layers having an overall thickness equal to or less than one wavelength of the minimum frequency in the plurality of layers.

公开(公告)号：US11552390B2

公开(公告)日：2023-01-10

申请号：US16564626

申请日：2019-09-09

Applicant: Rogers Corporation

Inventor： Murali Sethumadhavan ,  Michael S. White ,  Gianni Taraschi ,  Kristi Pance

IPC: H01Q13/00 ,  H01Q1/50 ,  H01Q13/02 ,  H01Q19/08 ,  H01Q9/04 ,  H01Q21/00 ,  H01Q15/08

Abstract: An electromagnetic device includes: an electrically conductive ground structure; at least one dielectric resonator antenna (DRA) disposed on the ground structure; at least one electromagnetic (EM) beam shaper disposed proximate a corresponding one of the DRA; and, at least one signal feed disposed electromagnetically coupled to a corresponding one of the DRA. The at least one EM beam shaper having: an electrically conductive horn; a body of dielectric material having a dielectric constant that varies across the body of dielectric material in a specific direction; or, both the electrically conductive horn and the body of dielectric material.

公开(公告)号：US20190341696A1

公开(公告)日：2019-11-07

申请号：US16396943

申请日：2019-04-29

Applicant: ROGERS CORPORATION

Inventor： Stephen O'Connor ,  Gianni Taraschi ,  Christopher Brown ,  Kristi Pance ,  Karl E. Sprentall ,  Bruce Fitts ,  Dirk Baars ,  William Blasius ,  Murali Sethumadhavan ,  Roshin Rose George ,  Michael S. White ,  Michael Lunt ,  Sam Henson ,  John Dobrick

IPC: H01Q9/04 ,  H01Q1/38

Abstract: In an embodiment, an electromagnetic device, comprises a substrate a substrate comprising a dielectric layer and a first conductive layer; at least one dielectric structure comprising at least one non-gaseous dielectric material that forms a first dielectric portion that extends outward from the first side of the substrate, the first dielectric portion having an average dielectric constant and an optional second dielectric portion that extends into an optional via. The at least one dielectric structure is bonded to the substrate by at least one of: a mechanical interlock between the second dielectric portion and the substrate due to the at least one interlocking slot comprising a retrograde surface; an intermediate layer located in between the dielectric structure and the substrate having a roughened surface; or an adhesive material located in between the dielectric structure and the substrate. A method of making the device can comprise injection molding a dielectric composition onto the substrate to form the dielectric substrate.

公开(公告)号：US20190153225A1

公开(公告)日：2019-05-23

申请号：US16193339

申请日：2018-11-16

Applicant: ROGERS CORPORATION

Inventor： Karl Edward Sprentall ,  Trevor Polidore ,  Murali Sethumadhavan

IPC: C08L79/08 ,  C08J5/18

Abstract: A polyimide composition that includes a polyimide having a linear coefficient of thermal expansion of less than or equal to 1 ppm/° C., or −0.5 to 0.5 ppm/° C.; and a fluoropolymer; wherein the polyimide composition has a permittivity of less than or equal to 5, or less than or equal to 3.5 at a frequency of 10 GHz.

公开(公告)号：US20170127748A1

公开(公告)日：2017-05-11

申请号：US15340049

申请日：2016-11-01

Applicant: ROGERS CORPORATION

Inventor： Murali Sethumadhavan ,  David C. Sherman

IPC: A42B3/06 ,  A42B3/12 ,  B32B7/12 ,  B32B5/18 ,  B32B9/04

CPC classification number: A42B3/063 ,  A42B3/125 ,  B32B5/18 ,  B32B5/245 ,  B32B5/32 ,  B32B7/12 ,  B32B9/007 ,  B32B9/045 ,  B32B9/046 ,  B32B27/065 ,  B32B2250/03 ,  B32B2250/40 ,  B32B2255/102 ,  B32B2255/20 ,  B32B2262/106 ,  B32B2266/0207 ,  B32B2266/0278 ,  B32B2307/50 ,  B32B2307/558 ,  B32B2307/72 ,  B32B2307/732 ,  B32B2437/04

Abstract: A multilayer article that includes a first polymer foam layer; a second polymer foam layer; and a carbon layer located between the first polymer foam layer and the second polymer foam layer. An article, such as a helmet, can comprise the multilayer article.

公开(公告)号：US09554463B2

公开(公告)日：2017-01-24

申请号：US14638272

申请日：2015-03-04

Applicant: Rogers Corporation

Inventor： Murali Sethumadhavan ,  Ani Shere ,  Mike White

IPC: H01L29/18 ,  H05K1/03 ,  H01L25/075 ,  H01L33/48 ,  H01L33/60 ,  H05K1/02 ,  D21H13/00

CPC classification number: H05K1/0366 ,  D21H13/00 ,  H01L25/0753 ,  H01L33/486 ,  H01L33/60 ,  H01L2924/0002 ,  H05K1/0271 ,  H05K1/0284 ,  H05K1/0373 ,  H05K1/038 ,  H05K2201/0141 ,  H05K2201/0162 ,  H05K2201/0191 ,  H05K2201/0278 ,  H05K2201/0293 ,  H05K2201/068 ,  Y10T428/2495 ,  H01L2924/00

Abstract: A dielectric substrate comprises a resin composition impregnated with non-woven fibrous mat material having a thickness of 5 mils (127 micrometers), wherein the fibrous mat material comprises fibers, having a diameter of 1 nm to 10 μm, that have been extruded through one or more openings to produce fibers that have been collected in the form of a fibrous non-woven mat, and wherein the fibers exhibit a multi-directional orientation in the non-woven mat material. The dielectric substrate is useful in circuit materials, circuits, and multi-layer circuits, economical to make, and has excellent electrical and mechanical properties.

Abstract translation: 电介质基材包括浸渍有5密耳（127微米）厚度的无纺纤维垫材料的树脂组合物，其中纤维垫材料包括直径为1nm至10μm的纤维，其已经通过一个挤出 或更多的开口以产生以纤维无纺毡的形式收集的纤维，并且其中所述纤维在所述无纺毡材料中呈现多方向取向。 电介质基片在电路材料，电路和多层电路中是有用的，经济地制造，并具有优良的电气和机械性能。

公开(公告)号：US20160099498A1

公开(公告)日：2016-04-07

申请号：US14870273

申请日：2015-09-30

Applicant: ROGERS CORPORATION

Inventor： Kristi Pance ,  Karl Sprentall ,  Murali Sethumadhavan

IPC: H01Q1/38 ,  H01F10/28 ,  H01F1/055 ,  H01Q1/48

CPC classification number: H01Q1/38 ,  H01F1/0551 ,  H01F1/344 ,  H01F1/37 ,  H01F10/205 ,  H01F10/28 ,  H01Q1/48 ,  H01Q15/004 ,  H05K1/024 ,  H05K1/036 ,  H05K1/0366 ,  H05K1/0373 ,  H05K2201/0209 ,  H05K2201/083

Abstract: A magneto-dielectric substrate includes a first dielectric layer, a second dielectric layer spaced apart from the first dielectric layer, and at least one magnetic reinforcing layer disposed between and in intimate contact with the first dielectric layer and the second dielectric layer.

Abstract translation: 磁介电基片包括第一介电层，与第一介电层隔开的第二电介质层，以及至少一个磁性增强层，设置在第一介电层和第二电介质层之间并与之紧密接触。