WATERPROOF MEMBRANE, WATERPROOF MEMBER INCLUDING SAME, AND ELECTRONIC DEVICE

    公开(公告)号:US20210251095A1

    公开(公告)日:2021-08-12

    申请号:US16973190

    申请日:2020-04-24

    Abstract: A waterproof membrane of the present disclosure has an insertion loss of 5.0 dB or less for sound with a frequency of 1 kHz, and an insertion loss of 5.0 dB or less for sound with a frequency of 10 kHz when a permeation region for sound of the waterproof membrane has an area of 1.3 mm2. The waterproof membrane of the present disclosure can cope with further size reduction of the permeation region. A waterproof member of the present disclosure includes the above-mentioned waterproof membrane of the present invention and a support member joined to the waterproof membrane.

    CONVERSION ELEMENT MEMBER, AND CONVERSION ELEMENT MODULE AND ELECTRONIC DEVICE INCLUDING CONVERSION ELEMENT MEMBER

    公开(公告)号:US20220312091A1

    公开(公告)日:2022-09-29

    申请号:US17605119

    申请日:2020-04-24

    Abstract: The conversion element member of the present disclosure includes: a conversion element having an opening capable of functioning as a ventilation port and/or a sound-transmitting port; and a waterproof membrane. The conversion element has an outer surface provided with the opening. The waterproof membrane is joined, at a joining portion thereof, to the outer surface of the element so as to cover the opening, the joining portion having a shape surrounding the opening when viewed in a direction perpendicular to the outer surface. The waterproof membrane has a non-joining portion defined as a portion surrounded by the joining portion when viewed in the direction, the non-joining portion having a region overlapping the outer surface when viewed in the direction. A spacing distance D1 between the membrane and the outer surface in the region is 0.01 mm to X mm, where X represents, in an indentation test on the waterproof membrane.

    POLYAMIDE-IMIDE RESIN FILM AND SEAMLESS BELT INCLUDING THE RESIN FILM
    6.
    发明申请
    POLYAMIDE-IMIDE RESIN FILM AND SEAMLESS BELT INCLUDING THE RESIN FILM 审中-公开
    聚酰亚胺树脂薄膜和无缝皮带,包括树脂薄膜

    公开(公告)号:US20140001409A1

    公开(公告)日:2014-01-02

    申请号:US13927897

    申请日:2013-06-26

    CPC classification number: H01B1/20

    Abstract: A polyamide-imide resin composition according to embodiment of the present invention, including a polyamide-imide resin obtained by causing acid components (A) containing a dimer acid and a polyisocyanate component (B) to react with each other, wherein a ratio of the dimer acid in the acid components (A) is 3 mol % to 55 mol %.

    Abstract translation: 根据本发明实施方案的聚酰胺酰亚胺树脂组合物,其包含通过使含有二聚酸和多异氰酸酯组分(B)的酸组分(A)彼此反应而获得的聚酰胺 - 酰亚胺树脂,其中, 酸组分(A)中的二聚酸为3摩尔%至55摩尔%。

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