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COMPOSANT OSCILLANT POUR HAUT-PARLEUR, HAUT-PARLEUR LE COMPRENANT, ET DISPOSITIF MOBILE ÉQUIPÉ DUDIT HAUT-PARLEUR

摘要

A vibration component for loudspeakers includes a base layer, an intermediate layer, and a coating layer. The base layer has a front face and a rear face, has a first density, and is formed of a paper body containing a plurality of fibers. The intermediate layer has a first face joined to the front face of the base layer, and a second face on a reverse side of the intermediate layer from the first face, has a second density higher than the first density, and includes a plurality of cellulose fibers as a main component. The coating layer is provided on the second face of the intermediate layer, and includes an inorganic powder formed of a plurality of inorganic fine particles.

著录项

  • 公开/公告号EP3457710B1

    专利类型

  • 公开/公告日2020.06.17

    原文格式PDF

  • 申请/专利号EP17823954.7

  • 发明设计人

    申请日2017.06.15

  • 分类号

  • 国家 EP

  • 入库时间 2022-08-21 10:52:49

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