DIELECTRIC SHEET FOR ELECTROMAGNETIC WAVE ABSORBER AND ELECTROMAGNETIC WAVE ABSORBER

• Main Authors: YAMAZAKI TSUKASA, IMAI MIHO, SHODA AKIRA, NISHIYAMA HIROYOSHI
• Format: Patent
• Language: English; Japanese
• Published: 18.07.2023
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; CHEMISTRY; COMPOSITIONS BASED THEREON; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; GENERAL PROCESSES OF COMPOUNDING; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; PRINTED CIRCUITS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; WORKING-UP

To provide a dielectric sheet for an electromagnetic wave absorber and an electromagnetic wave absorber capable of suppressing floating in a resistive layer or a conductive layer constituting an electromagnetic wave absorber.SOLUTION: A dielectric sheet for an electromagnetic wave absorber includes a main body portion, and a ratio of protrusions on one surface of the main body portion is less than 470/m2, and an electromagnetic wave absorber includes a resistive layer, a dielectric layer, and a conductive layer in this order, and the dielectric layer is the dielectric sheet for the electromagnetic wave absorber, and a resistive layer or a conductive layer is provided on one surface of the main body portion.SELECTED DRAWING: Figure 1 【課題】電磁波吸収体を構成する抵抗層又は導電層における浮きを抑制することができる電磁波吸収体用誘電体シート及び電磁波吸収体を提供すること。【解決手段】本体部を有し、本体部の一面における突起部の割合が４７０個／ｍ２未満である電磁波吸収体用誘電体シート、又は、抵抗層、誘電体層及び導電層をこの順に備える電磁波吸収体であって、誘電体層が、上述した電磁波吸収体用誘電体シートであり、本体部の一面に抵抗層又は導電層が設けられている、電磁波吸収体。【選択図】図１