公开(公告)号：US12250801B2

公开(公告)日：2025-03-11

申请号：US18284720

申请日：2022-08-02

Applicant: KOREA INSTITUTE OF MATERIALS SCIENCE

Inventor： Byeong Jin Park ,  Tae Hoon Kim ,  Sang Bok Lee ,  Byung Mun Jung ,  Seung Han Ryu ,  Yu Kyung Han ,  Suk Jin Kwon

IPC: H05K9/00 ,  H01Q17/00

Abstract: The present invention provides an electromagnetic wave-absorbing composite material and a manufacturing method therefor, the electromagnetic wave-absorbing composite material comprising: a polymer composite including a refractive index-adjusting material therein; and a plurality of conductive wires formed on at least one surface of the polymer composite, wherein electromagnetic waves reflected in a matching frequency (f) range derived through Mathematical Formulas 1 to 3 described in the present invention are 0.2 dB or less.

公开(公告)号：US20240196581A1

公开(公告)日：2024-06-13

申请号：US18284720

申请日：2022-08-02

Applicant: KOREA INSTITUTE OF MATERIALS SCIENCE

Inventor： Byeong Jin PARK ,  Tae Hoon KIM ,  Sang Bok LEE ,  Byung Mun Jung ,  Seung Han RYU ,  Yu Kyung HAN ,  Suk Jin KWON

IPC: H05K9/00

CPC classification number: H05K9/009

Abstract: The present invention provides an electromagnetic wave-absorbing composite material and a manufacturing method therefor, the electromagnetic wave-absorbing composite material comprising: a polymer composite including a refractive index-adjusting material therein; and a plurality of conductive wires formed on at least one surface of the polymer composite, wherein electromagnetic waves reflected in a matching frequency (f) range derived through Mathematical Formulas 1 to 3 described in the present invention are 0.2 dB or less.