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Fan-out wafer-level packaging

Published on 25 May 2022


Advanced packaging technology for heterogeneous system-in-package (SiP)

  What is fan-out wafer-level packaging technology?

CEA-Leti offers a competitive fan-out wafer-level packaging technology using 8” wafers. Based on the reconstruction of substrates around individual chips, this technology has become an iconic part of any “More than Moore” strategy, fueling high-potential multi-chip systemin- package (SiP) since the mid-2000s. 

Eliminating the need for intermediate laminated substrates has enabled the integration of high performance systems at a reduced cost and footprint. It has also paved the way for applications that would have been difficult to address with conventional packaging.


  Applications:

RF front-end modules for wireless communications and radar 

  • Hybrid modules combining III-V, SiC and CMOS 
  • Integration of passive components 
  • Antenna in package 

High-speed optical interconnect 

  • VCSEL, PIN Diode and silicon photonics system-in-package

 Sensing systems 

  • Integration of various sensors such as MEMS with drivers IC


  Expertise:
From design fabrication down to UBM level, CEA-Leti offers extensive expertise in fan-out wafer-level packaging to industrial partners on the lookout for competitive heterogeneous system-in-package (SiP) solutions.

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Publications

  • System in package embedding III-V chips by fan-out wafer-level packaging for RF applications, ECTC, 2021, pp. 2016-2023More than 1 billion smartphones in circulation contain at least one technology developed by CEA-Leti

  • 3D embedded wafer-level packaging technology development for smart card SIP application, EPTC, 2012, pp. 304-310,

  • Wafer level processing of 3D system in package for RF and data application; Proceedings Electronic Components and Technology, ECTC 2005, pp. 356-361 Vol. 1