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    • 4. 发明授权
    • Electric wave absorber
    • 电波吸收器
    • US06259394B1
    • 2001-07-10
    • US09390293
    • 1999-09-03
    • Taku MuraseNaoyoshi SatoHiroshi KuriharaToshifumi SaitohMotonari YanagawaKozo HayashiKyoichi Fujimoto
    • Taku MuraseNaoyoshi SatoHiroshi KuriharaToshifumi SaitohMotonari YanagawaKozo HayashiKyoichi Fujimoto
    • H01Q1700
    • H05K9/0069H01Q17/008
    • An electrically conductive member constituted by at least one member of the group consisting of carbon black, graphite and carbon fiber, a powdered or granulated material of an inorganic hollow body and inorganic reinforcing fiber are bonded to one another by an inorganic adhesive agent to thereby form an electric wave absorber. The electric wave absorber exhibits excellent electric wave absorbing power because of both the electrically conductive member and the powdered or granulated material of the inorganic hollow body which are contained in the electric wave absorber. The electric wave absorber has excellent mechanical strength because of the inorganic reinforcing fiber which is contained in the electric wave absorber. The electric wave absorber exhibits excellent nonflammable characteristic because of both the powdered or granulated material of the inorganic hollow body and the inorganic reinforcing fiber which are contained in the electric wave absorber. Preferably, the electric wave absorber is provided with a nonflammable layer which is integrally bonded to at least one portion thereof and which is constituted by at least one member of the group consisting of a nonflammable sheet made from a slurry containing sepiolite as a main component, and an inorganic coating agent layer.
    • 由碳黑,石墨和碳纤维组成的组中的至少一个构成的导电构件,无机中空体的粉末或粒状材料和无机增强纤维通过无机粘合剂彼此粘合,从而形成 电波吸收器。 电波吸收体既包含在电波吸收体中的无机中空体的导电性构件和粉末状或造粒材料,则表现出优异的电波吸收能力。 由于包含在电波吸收体中的无机增强纤维,电波吸收体具有优异的机械强度。 由于电波吸收体中含有的无机中空体的粉末状或粒状物质和无机增强纤维两者,电波吸收体表现出优异的不易燃特性。 优选地,电波吸收体具有与其至少一部分一体地结合的不易燃层,其由至少一种由含有海泡石作为主要成分的浆料制成的不可燃片材构成, 和无机涂层剂层。