ELECTROMAGNETIC WAVE SHIELDING SHEET

WIPO Patent Application WO/2019/239710

A1

An electromagnetic wave shielding sheet according to the present invention is used to form an electromagnetic wave shielding layer (1) used in a component-mounted substrate (101) provided with: a substrate (20); electronic components (30) mounted on one side or both sides of the substrate (20); and the electromagnetic wave shielding layer (1) for coating a portion of the substrate and stepped parts formed by mounting the electronic components (30), the electromagnetic wave shielding layer having at least one among an electromagnetic wave reflecting layer and an electromagnetic wave absorbing layer. The electromagnetic wave shielding sheet (10) has at least one among a conductive layer (2) prior to thermal pressing of the electromagnetic wave reflecting layer and a conductive layer (2) prior to thermal pressing of the electromagnetic wave absorbing layer. The conductive layer (2) prior to thermal pressing of the electromagnetic wave reflecting layer includes a binder resin and a conductive filler, and the conductive layer (2) prior to thermal pressing of the electromagnetic wave absorbing layer includes a binder resin and an electromagnetic wave absorbing filler. The Young's modulus of the conductive layer (2) is 10-700 MPa at 23°C.

JP2013222751	TEST COUPON
JPS5666088	CONNECTING DEVICE

MATSUDO KAZUNORI (JP)
UMEZAWA RYOTA (JP)
ANDO KENJI (JP)
HAYASAKA TSUTOMU (JP)

PCT/JP2019/016185

December 19, 2019

April 15, 2019

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TOYO INK SC HOLDINGS CO LTD (JP)
TOYOCHEM CO LTD (JP)

H05K1/02; H05K9/00

JP2018006536A

2018-01-11

IEIRI Takeshi (JP)

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