Invention Grant
US07692276B2 Thermally enhanced ball grid array package formed in strip with one-piece die-attached exposed heat spreader 有权
热增强球栅阵列封装,形成带条,带有一体式裸露散热器

  • Patent Title: Thermally enhanced ball grid array package formed in strip with one-piece die-attached exposed heat spreader
  • Patent Title (中): 热增强球栅阵列封装,形成带条,带有一体式裸露散热器
  • Application No.: US11836582
    Application Date: 2007-08-09
  • Publication No.: US07692276B2
    Publication Date: 2010-04-06
  • Inventor: Jerold Lee
  • Applicant: Jerold Lee
  • Applicant Address: US CA Irvine
  • Assignee: Broadcom Corporation
  • Current Assignee: Broadcom Corporation
  • Current Assignee Address: US CA Irvine
  • Agency: Fiala & Weaver, P.L.L.C.
  • Main IPC: H01L23/495
  • IPC: H01L23/495
Thermally enhanced ball grid array package formed in strip with one-piece die-attached exposed heat spreader
Abstract:
Methods, systems, and apparatuses for integrated circuit packages, such as ball grid array packages, and processes for assembling the same, are provided. A first strip includes an array of package substrate sections. An IC die is mounted to each package substrate section of the first strip. A second strip includes an array of leadframe sections. The second strip is positioned adjacent to the first strip to couple a planar protruding area of each leadframe section to a corresponding IC die mounted to the first strip. An encapsulating material is applied to the adjacently positioned first and second strips to fill a space between the first and second strips and to fill a cavity in a top surface of each leadframe section. A planar region of the first strip surrounding each centrally located cavity is not covered by the encapsulating material. The adjacently positioned first and second strips are singulated into a plurality of IC packages.
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