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    • 7. 发明授权
    • Apparatus and method for in-mold degating
    • 用于模内脱胶的装置和方法
    • US07695269B2
    • 2010-04-13
    • US11753917
    • 2007-05-25
    • See Yap OngSi Liang LuZheng Yu GaoSwee Huat Lee
    • See Yap OngSi Liang LuZheng Yu GaoSwee Huat Lee
    • B29C45/38
    • B29C45/38B29C45/02B29C45/14655
    • An apparatus and method for degating is provided for separating excess molding material from encapsulated electronic packages while the electronic packages are located in a molding system. At least one holding device is coupled to a mold of the molding system, which is located such that excess molding material is molded onto at least a portion of the holding device during molding. A locking feature on the portion of the holding device locks the excess molding material such that the holding device may hold the excess molding material molded onto it to forcibly separate the excess molding material from the encapsulated electronic packages after molding.
    • 提供了用于脱胶的装置和方法,用于在电子封装位于模制系统中时将多余的模制材料与封装的电子封装分离。 至少一个保持装置联接到模制系统的模具,其被定位成使得在模制期间将多余的模制材料模制到保持装置的至少一部分上。 保持装置的部分上的锁定特征锁定多余的模制材料,使得保持装置可以保持模制在其上的多余的模制材料,以在模制之后强制地将多余的模制材料与封装的电子封装分开。
    • 9. 发明授权
    • Removal of masking tape from lead frames
    • 从引线框架去除遮蔽胶带
    • US06656320B2
    • 2003-12-02
    • US09901141
    • 2001-07-10
    • See Yap OngTong Heng CheahShu Chuen HoTeng Hock Kuah
    • See Yap OngTong Heng CheahShu Chuen HoTeng Hock Kuah
    • B32B3500
    • H01L21/6835Y10S156/941Y10T29/49819Y10T29/49822Y10T156/1168Y10T156/1179Y10T156/19Y10T156/1989
    • A resin body is moulded around a die located on the front surface of a lead frame, and subsequently masking tape adhered to the rear surface of the lead frame is peeled away. While the tape is peeled away, the front surface of the lead frame is clamped by a surface which contains, or which can be deformed to contain, a recess for receiving the resin body. The peeling is performed by firstly separating an edge portion of the tape from the lead frame by a diagonal motion; and subsequently moving the edge portion across the lead frame so as to peel back the tape until its adhered surface faces away from the lead frame. A retrieval plate is urged against the adhered surface, so that the adhered surface becomes adhered to the retrieval plate. This process is repeated for successive lead frames, so that a stack of masking tape sections is formed on the retrieval plate.
    • 将树脂体模制在位于引线框架的前表面上的模具周围,随后将附着在引线框架的后表面上的胶带剥离。 当胶带被剥离时,引线框架的前表面由包含用于接收树脂体的凹部的容纳或可变形的表面夹紧。 通过首先将引线框架的边缘部分与对角线运动分离来进行剥离; 并且随后将边缘部分移动穿过引线框架,以便剥离带,直到其粘合表面背离引线框架。 将取出板推靠在粘接面上,使粘接面附着在回卷板上。 对于连续的引线框架重复该过程,使得在拾取板上形成一叠遮蔽带部分。