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    • 4. 发明申请
    • SEMICONDUCTOR ASSEMBLY INCLUDING CHIP SCALE PACKAGE AND SECOND SUBSTRATE AND HAVING EXPOSED SUBSTRATE SURFACES ON UPPER AND LOWER SIDES
    • 半导体组件,包括芯片尺寸封装和第二基板,并在上下表面具有暴露的基板表面
    • WO2006118720A3
    • 2007-04-19
    • PCT/US2006011712
    • 2006-03-31
    • STATS CHIPPAC LTDKARNEZOS MARCOSSHIM IL KWONHAN BYUNG JOONRAMAKRISHNA KAMBHAMPATICHOW SENG GUAN
    • KARNEZOS MARCOSSHIM IL KWONHAN BYUNG JOONRAMAKRISHNA KAMBHAMPATICHOW SENG GUAN
    • H01L21/44
    • H01L23/3128H01L21/563H01L23/3135H01L23/49575H01L23/49833H01L23/552H01L24/48H01L24/49H01L24/73H01L25/03H01L25/0657H01L25/105H01L25/16H01L25/162H01L2224/05553H01L2224/32145H01L2224/32225H01L2224/32245H01L2224/48227H01L2224/48247H01L2224/48465H01L2224/49171H01L2224/73204H01L2224/73265H01L2225/0651H01L2225/0652H01L2225/06568H01L2225/06572H01L2225/06586H01L2225/1023H01L2225/1041H01L2225/1058H01L2924/00014H01L2924/01013H01L2924/10162H01L2924/14H01L2924/1433H01L2924/1461H01L2924/15311H01L2924/16195H01L2924/181H01L2924/19107H01L2924/3025H01L2924/00H01L2924/00012H01L2224/45099H01L2224/45015H01L2924/207
    • Semiconductor assemblies include a first package, each having at least one die affixed to, and electrically interconnected with, a die attach side of the first package substrate, and a second substrate having a first side and a second ("land") side, mounted over the molding of the first package with the first side of the second substrate facing the die attach side of the first package substrate. Accordingly, the die attach sides of the first substrate and the first side of the second substrate face one another, and the "land" sides of the substrates face away from one another. Z-interconnection of the package and the substrate is by wire bonds connecting the first and second substrates. The assembly is encapsulated in such a way that both the land side of the second substrate (one side of the assembly) and a portion of the land side of the first package substrate (on the opposite side of the assembly) are exposed, so that second level interconnection and interconnection with additional components may be made. In some embodiments the first package is a chip scale package. Also, methods for making such stacked packages assemblies include steps of providing singulated CSP; applying an adhesive onto the surface of the molding of the CSP; providing a second substrate having first and second sides; inverting the CSP and placing the inverted CSP onto the first side of the second substrate such that the adhesive contacts the first side of the second substrate; curing the adhesive; performing a plasma clean; wire bonding to form z-interconnection between the first side of the second substrate and the land side of the CSP; performing a plasma clean; performing a molding operation to enclose the first side of the second substrate, the z-interconnection wire bonds and wire loops, the edges of the CSP, and the marginal area on the land side of the CSP, leaving exposed the land side of the second substrate and an area of the land side of the CSP substrate located within a marginal area; attaching second level interconnect solder balls to sites on exposed area of the CSP substrate; and (where the second substrate was provided in a strip or array) saw singulating to complete the assembly. In some embodiments one or more additional components are stacked over the land side of the second substrate.
    • 半导体组件包括:第一封装,每个封装具有至少一个管芯,其固定到第一封装衬底的管芯附着侧并与之电互连,以及具有第一侧面和第二(“焊盘”)侧的第二衬底, 在第一封装的模制中,第二衬底的第一面面向第一封装衬底的裸片附着侧。 因此,第一基板的芯片附着侧和第二基板的第一面彼此面对,并且基板的“平台”侧面彼此背离。 封装和基板的Z形互连是通过连接第一和第二基板的引线键合。 该组件以这样一种方式封装,使得第二基板的接地侧(组件的一侧)和第一封装基板的陆部侧的一部分(在组件的相对侧)被露出,使得 可以进行二级互连和与附加组件的互连。 在一些实施例中,第一封装是芯片级封装。 此外,制造这种堆叠包装组件的方法包括提供单独的CSP的步骤; 将粘合剂施加到CSP的模制品的表面上; 提供具有第一和第二侧面的第二基板; 反转CSP并将反转的CSP放置在第二衬底的第一侧上,使得粘合剂接触第二衬底的第一侧; 固化粘合剂; 进行等离子清洁 引线接合以在第二基板的第一侧和CSP的接地侧之间形成z-互连; 进行等离子清洁 执行模制操作以包围第二基板的第一侧,z互连线接合和线环,CSP的边缘以及CSP的陆侧上的边缘区域,从而暴露第二基板的接地侧 基板和位于边缘区域内的CSP基板的陆侧的区域; 将第二级互连焊球连接到CSP基板的暴露区域上的位置; 和(其中第二基底设置在条或阵列中)锯切单体以完成组装。 在一些实施例中,一个或多个附加部件堆叠在第二基板的陆侧上。