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Wafer Level Packaging (WLP) has the highest potential for future single chip packages because the WLP is intrinsically a chip size package. The package is completed directly on the wafer then singulated by dicing for the assembly. All packaging and testing operations of the dice are replaced by whole wafer fabrication and wafer level testing. Therefore, it becomes more cost-effective with decreasing...
The highest integration density of microsystems can be obtained using a 3D-stacking approach, where each layer of the stack is realized using a different technology, which may include sensors, imagers, rf and MEMS technologies. A key challenge is however to perform such stacking in a cost-effective manner. In this paper, a novel 3D TSV and 3D stacking technologies will be presented. Application examples...
Process scaling is well know to increase overall chip-level soft error rates (SER) if no additional mitigation techniques are applied [Seifert04]. The purpose of this study is to summarize recent investigations conducted by the author to characterize the SER benefits and limitations of one particular SER mitigation technique: radiation hardened sequentials that utilize local redundancy. The studied...
Wafer-level packaging (WLP) is essentially a true chip-scale packaging (CSP) technology, since the resulting package is practically of the same size as the die. Furthermore, wafer-level packaging paves the way for true integration of wafer fab, packaging, test, and burn-in at wafer level, for the ultimate streamlining of the manufacturing process undergone by a device from silicon start to customer...
To increase memory bandwidth with minimum area overhead, the new concept of 3D-stacked memory structure consisting of a small sense amplifier shared with a few 3D memory cells has been presented. The 16 bit 3D-stacked TiO2 memory chip was fabricated and demonstrated. The estimated bandwidth per unit area of 3D-stacked memory in sub-65 nm CMOS technology indicates that the 3D-stacked memory has potential...
ldquoDevelopment for advanced thermoelectric conversion systemsrdquo supported by the new energy and industrial technology development organization (NEDO) has been successfully completed as one of the Japanese national energy conservation projects. Three types of the cascaded thermoelectric modules operating up to 850 K in high electrode temperature and two types of Bi-Te thermoelectric modules operating...
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