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Wafer-Level Three-Dimensional Monolithic Integration for Intelligent Wireless Terminals
Gutmann, R.J.,Zeng, A.Y.,Devarajan, S.,Lu, J.Q.,Rose, K. The Institute of Electronics and Information Engin 2004 Journal of semiconductor technology and science Vol.4 No.3
A three-dimensional (3D) IC technology platform is presented for high-performance, low-cost heterogeneous integration of silicon ICs. The platform uses dielectric adhesive bonding of fully-processed wafer-to-wafer aligned ICs, followed by a three-step thinning process and copper damascene patterning to form inter-wafer interconnects. Daisy-chain inter-wafer via test structures and compatibility of the process steps with 130 nm CMOS sal devices and circuits indicate the viability of the process flow. Such 3D integration with through-die vias enables high functionality in intelligent wireless terminals, as vertical integration of processor, large memory, image sensors and RF/microwave transceivers can be achieved with silicon-based ICs (Si CMOS and/or SiGe BiCMOS). Two examples of such capability are highlighted: memory-intensive Si CMOS digital processors with large L2 caches and SiGe BiCMOS pipelined A/D converters. A comparison of wafer-level 3D integration 'lith system-on-a-chip (SoC) and system-in-a-package (SiP) implementations is presented.
Wafer-Level Three-Dimensional Monolithic Integration for Intelligent Wireless Terminals
R.J.Gutmann,A.Y.Zeng,S.Devarajan,J.-Q.Lu,K.Rose 대한전자공학회 2004 Journal of semiconductor technology and science Vol.4 No.3
A three-dimensional (3D) IC technology platform is presented for high-performance. low-cost heterogeneous integration of silicon ICs. The platform uses dielectric adhesive bonding of fully-processed wafer-to-safer aligned ICs, followed by a three-step thinning process and copper damascene patterning to form inter-wafer interconnects. Daisy-chain inter-nafer via test structure, and compatibility of the proce.. .teps "ith 130 nm CMOS SOl devices and circuits indicate the viability of the process flow. Such 3D integration with through-die vias enables high functionality in intelligent wfireless terminalss as vertical integration of processor, large memors, image sensors and RF/microwawe transceiwers can be achieved with silicon-based ICs (Si CMOS and/or SiCe BiCMOS). Two esamples of such capability are<br/> highlighted memory-intenshe Si CCYIOS digital<br/> processors with large L2 caches and SiGe BiCMS pipelined A/D converters. A comparison of wafer-level 3D integration with system-on-a-chip (SoC) and system-in-a-package (SiP) implementations is presented.<br/> Index Terms-3D Integration, wafer bonding, intelligent wireless terminal, memory-intensive digital processors, pipelined A/D converters<br/>