公开(公告)号：US20240215120A1

公开(公告)日：2024-06-27

申请号：US18288247

申请日：2022-04-25

Applicant: TDK CORPORATION

Inventor： Shouhei HARADA ,  Koji MISHIMA ,  Kazushi YAMADA ,  Kazuhisa INABA ,  Hideaki ITOU

IPC: H05B3/86 ,  H05B3/22

CPC classification number: H05B3/86 ,  H05B3/22

Abstract: A film heater includes: a substrate; a first hard coat layer containing a first resin component and a silica filler; a first dielectric layer; a metal layer containing one or both of silver and silver alloy; a second dielectric layer; and an ITO layer or an IZO layer in the order presented, wherein a thickness of the metal layer is 5.5 to 7.5 nm, and wherein a peak intensity indicating a Kα line of silicon element detected by fluorescent X-ray analysis of a surface on the first dielectric layer side of the first hard coat layer is 15 to 35 cps.

公开(公告)号：US20190393585A1

公开(公告)日：2019-12-26

申请号：US16480957

申请日：2018-01-22

Applicant: TDK CORPORATION

Inventor： Yoshihisa TAMAGAWA ,  Hiroshi SHINGAI ,  Kazuhisa INABA ,  Syunji MATSUBARA

IPC: H01Q1/22 ,  B32B17/10 ,  H01Q1/38

Abstract: A transparent conductive film for antennas, includes: a transparent resin substrate; a first metal oxide layer; a metal layer containing silver or a silver alloy; and a second metal oxide layer, stacked in this order.