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    • 1. 发明授权
    • Porous polyester film
    • 多孔聚酯薄膜
    • US06287680B1
    • 2001-09-11
    • US09456977
    • 1999-12-07
    • Yasushi SasakiAkira TakahashiKoji Yamada
    • Yasushi SasakiAkira TakahashiKoji Yamada
    • B32B518
    • C08J5/18C08J2367/02C08L67/02Y10S428/91Y10T428/249986Y10T428/254Y10T428/31786C08L23/00C08L25/00
    • A porous polyester film comprising a composition comprising a polyester resin and a thermoplastic resin incompatible with the polyester resin, and a number of voids formed by dispersing the incompatible thermoplastic resin to provide particles in the polyester resin and stretching same, wherein the incompatible thermoplastic resin comprises a polyolefin resin, and the film satisfies the following requirements (a) to (c): (a) an apparent specific gravity of not more than 1.3; (b) an average size d of dispersed particles of the polyolefin resin of not more than 15 &mgr;m; and (c) a ring crush strength G (unit:kg/mm) and a film thickness t (unit:mm) satisfying the following formula G>15×t3 is provided. According to the invention, a film having superior properties derived from a porous structure (e.g., cushioning property, low dielectric property, light weight) and good handling property.
    • 一种多孔聚酯膜,其包含聚酯树脂和与聚酯树脂不相容的热塑性树脂的组合物,以及通过分散不相容的热塑性树脂而在聚酯树脂中提供颗粒并进行拉伸而形成的多个空隙,其中不相容的热塑性树脂包括 聚烯烃树脂,并且该膜满足以下要求(a)至(c):(a)表观比重不大于1.3;(b)聚烯烃树脂的分散颗粒的平均尺寸d不大于 15岁 和(c)提供满足下列公式的环压强度G(单位:kg / mm)和膜厚度t(单位:mm)。 根据本发明,由多孔结构(例如缓冲性,低介电性,重量轻)和良好的处理性得到的具有优异性能的膜。
    • 9. 发明授权
    • Thermal printer and energizing control method therefor
    • 热敏打印机及其通电控制方法
    • US08638351B2
    • 2014-01-28
    • US13505603
    • 2010-10-26
    • Koji YamadaHitoshi Ishino
    • Koji YamadaHitoshi Ishino
    • B41J2/00
    • B41J2/355
    • A thermal printer having a thermal head with a heat element that heats a recording medium and forms a print dot by energizing the heat element generates a first energizing pulse that energizes continuously during a first period for forming a print dot when the recording medium conveyance speed is greater than a specific threshold value; and generates a second energizing pulse that alternates during the first period between energizing for a second period that is shorter than the first period and de-energizing for a third period when the recording medium conveyance speed is less than or equal to the threshold value.
    • 一种热敏打印机,其具有加热元件的热​​敏头,该加热元件通过加热元件来加热记录介质并形成打印点,从而在记录介质传送速度为 大于特定阈值; 并且产生第二激励脉冲,其在所述第一周期期间在激励期间比所述第一周期短的第二周期期间交替,并且当所述记录介质输送速度小于或等于所述阈值时,断开第三周期。