公开(公告)号：US20240314991A1

公开(公告)日：2024-09-19

申请号：US18575410

申请日：2022-06-28

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Sergei A. Manuilov ,  Ivan Lemesh ,  Jaewon Kim ,  Joseph B. Eckel ,  Michael S. Graff

IPC: H05K9/00 ,  H01Q3/46 ,  H01Q15/14 ,  H01Q17/00

CPC classification number: H05K9/0081 ,  H01Q3/46 ,  H01Q15/14 ,  H01Q17/00

Abstract: Articles to control an electromagnetic (EM) radiation in the range of 1 GHz to 100 GHz, and methods of making and using the same are provided. An EM controlling sheet structure includes a dielectric carrier layer and an array of metallic resonant elements supported by the dielectric carrier layer to form an EM metamaterial structure in a non-random pattern. The metallic resonant elements are oriented such that each metallic resonant element has an axis substantially parallel to each other and substantially parallel to a major plane of the dielectric carrier layer.

公开(公告)号：US20250015507A1

公开(公告)日：2025-01-09

申请号：US18705049

申请日：2022-10-26

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Ivan Lemesh ,  Michael S. Graff ,  Sergei A. Manuilov ,  John J. Sullivan

IPC: H01Q15/14 ,  H01Q1/32 ,  H01Q3/46

Abstract: Systems and methods using passive reflectors or reflectarrays are provided to enhance non-line-of-sight (NLOS) wireless signals. Multiple reflectarrays are combined and positioned to cover a wide range of user positions/beam angles. The passive reflectarrays include at least one of a first reflectarray configured to split an incident beam and a second reflectarray configured to steer the incident beam with an off-plane of incidence.

公开(公告)号：US20240204414A1

公开(公告)日：2024-06-20

申请号：US18287356

申请日：2022-04-12

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Ivan Lemesh ,  Sergei A. Manuilov ,  Michael S. Graff ,  Kevin W. Gotrik ,  John J. Sullivan ,  Raymond P. Johnston ,  Gregory M. Haugen

IPC: H01Q15/00

CPC classification number: H01Q15/0013

Abstract: Optically transparent reflectarray articles and methods of making and using the same are provided. The reflectarray article includes a frequency selective surface (FSS) layer and a ground plane layer disposed on opposite sides of a dielectric substrate. The FSS layer includes a pattern of wire-like resonating metallic elements configured to reflect incident mmWaves, and the ground plane layer includes a pattern of metal-based conductor mesh to provide conductivity and high visible light transmittance.