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    • 64. 发明申请
    • INJECTION MOLDED SOLDERING PROCESS AND ARRANGEMENT FOR THREE-DIMENSIONAL STRUCTURES
    • 注射成型焊接工艺和三维结构布​​置
    • US20100276813A1
    • 2010-11-04
    • US12839214
    • 2010-07-19
    • Luc BelangerDavid DanovitchJohn U. Knickerbocker
    • Luc BelangerDavid DanovitchJohn U. Knickerbocker
    • H01L23/488B23K31/02B23K1/20
    • H01L24/11H01L25/0657H01L2224/13099H01L2224/48091H01L2225/06517H01L2225/06541H01L2924/00011H01L2924/00014H01L2924/01013H01L2924/01033H01L2924/01082H01L2924/014H01L2224/0401
    • A method of implementing an injection molded soldering process for three-dimensional structures, particularly, such as directed to three-dimensional semiconductor chip stacking. Also provide is an arrangement for implementing the injection molded soldering (IMS) process. Pursuant to an embodiment of the invention, the joining of the semiconductor chip layers with a substrate is implemented, rather than by means of currently known wire bond stacking, through the intermediary of columns of solder material formed by the IMS process, thereby providing electrical advantages imparted by the flip chip interconnect structures. In this connection, various diversely dimensioned solder column interconnects allow for simple and dependable connections to a substrate by a plurality of superimposed layers or stacked arrays of semiconductor components, such as semiconductor chips. In accordance with a further aspect, it is possible to derive a unique design for an IMS mold structure, which contains cavities for forming the columnar fill of solder, and which also incorporates further cavities acting as cutouts for dies or the positioning of other electronic packages or modules.
    • 一种实现用于三维结构的注射成型焊接工艺的方法,特别是诸如针对三维半导体芯片堆叠的方法。 还提供了用于实现注射成型焊接(IMS)工艺的布置。 根据本发明的实施例,通过由IMS工艺形成的焊料柱的中间层,实现了半导体芯片层与基板的接合,而不是通过目前已知的引线键合堆叠,从而提供电气优点 由倒装芯片互连结构赋予。 在这方面,各种不同尺寸的焊料柱互连允许通过多个叠加层或诸如半导体芯片的半导体部件的堆叠阵列对衬底进行简单且可靠的连接。 根据另一方面,可以为IMS模具结构导出独特的设计,该模具结构包含用于形成焊料的柱状填充物的空腔,并且还包括用作模具的切口或其他电子封装的定位的另外的空腔 或模块。
    • 68. 发明申请
    • FLEXIBLE NOZZLE FOR INJECTION MOLDED SOLDER
    • 用于注射成型焊枪的柔性喷嘴
    • US20090301685A1
    • 2009-12-10
    • US12542016
    • 2009-08-17
    • Peter A. GruberJohn U. Knickerbocker
    • Peter A. GruberJohn U. Knickerbocker
    • B22D17/00
    • B22D17/2023B22D17/30B22D18/04B23K3/0623B23K3/0638H05K3/3457H05K2203/0113H05K2203/0126H05K2203/0338
    • A flexible nozzle for injection molded solder of utilizing a flexible nozzle for injection molded solder applications. In order to be able to efficiently carry out the injection molded soldering process, there is utilized a compliant or flexible solder-dispensing nozzle structure, which is particularly advantageously adapted to be utilized with circular or round molds. In this connection, the tip of the nozzle, which provides for the discharge of the solder, provides a series of small holes or apertures for extruding the solder under pressure from at least one solder reservoir. In one embodiment, there may be employed a single solder reservoir with which there communicates a plurality of discharge apertures or holes for extruding the solder so as to fill suitable cavities or recesses formed in a facing surface of a mold for injection molded solder. Alternatively, rather than dispensing or extruding the solder from a single reservoir through a plurality of holes or discharge apertures, each respective aperture or a group of apertures may be connected to, respectively, a separate solder reservoir of a plurality of reservoirs subjected to pressure to facilitate the solder extrusion onto the mold surface.
    • 用于注射成型焊料的柔性喷嘴,其利用用于注射成型焊料应用的柔性喷嘴。 为了能够有效地执行注射成型的焊接工艺,采用柔性或柔性的焊料分配喷嘴结构,其特别有利地适用于圆形或圆形模具。 在这方面,提供用于排出焊料的喷嘴的尖端提供一系列小孔或孔,用于在至少一个焊料储存器的压力下挤出焊料。 在一个实施例中,可以使用单个焊料储存器,其中连通多个排出孔或孔,用于挤出焊料,以填充形成在用于注射成型焊料的模具的相对表面中的合适的空腔或凹部。 或者,而不是通过多个孔或排出孔从单个储存器分配或挤出焊料,每个相应的孔或一组孔可以分别连接到经受压力的多个储存器的单独的焊料储存器 有助于将焊料挤出到模具表面上。