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    • 3. 发明申请
    • 射出成形方法
    • 注射成型方法
    • WO2002094532A1
    • 2002-11-28
    • PCT/JP2002/004869
    • 2002-05-21
    • 日立マクセル株式会社遊佐 敦
    • 遊佐 敦
    • B29C43/04
    • B29C43/34B29C33/36B29C33/424B29C43/021B29C43/08B29C2043/025B29C2043/3433B29C2043/3488B29C2043/3689B29L2017/003
    • An injection molding method that ensures, in the molding of optical disks and the like, accurate transferability, optical characteristics and mechanical characteristics for accurately transferring a super fine structure that could not be transferred satisfactorily by the conventional molding method, mass production of replicas, and so on, thus improving the production efficiency. It comprises the steps of using a cavity forming mold composed of at least two members, charging molten resin into the mold, obtaining a molding, wherein one of the members constituting the mold passes through a stage that is separated into at least three steps, a charging step, a press step and a molding take−out step, and molten resin is charged into the unclosed cavity of the one member in the charging step and then a molding is formed in the press step.
    • 一种注射成型方法,其在光盘等的成型中确保了通过常规成型方法精确地转印不能良好地转印的超精细结构的精确的可转印性,光学特性和机械特性,批量生产,以及 从而提高生产效率。 它包括以下步骤:使用由至少两个构件组成的模腔模具,将熔融树脂装入模具中,获得模制件,其中构成模具的构件中的一个通过分成至少三个步骤的阶段, 充电步骤,压制步骤和模制取出步骤,并且在充电步骤中将熔融树脂装入一个部件的未封闭空腔中,然后在压制步骤中形成模制件。