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Technique for enhancing thermal and mechanical characteristics of an underfill material of a substrate/die assembly
Technique for enhancing thermal and mechanical characteristics of an underfill material of a substrate/die assembly
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机译:用于增强衬底/管芯组件的底部填充材料的热和机械特性的技术
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摘要
During the formation of an underfill material provided between a carrier substrate and a semiconductor chip, a common motion of particles contained in the underfill material is initiated towards the semiconductor chip, thereby adjusting the thermal and mechanical behavior of the underfill material. For instance, by applying an external force, such as gravity, a depletion zone with respect to the filler particles may be created in the vicinity of the carrier substrate, while a high particle concentration may be obtained in the vicinity of the semiconductor chip. Hence, thermal and mechanical stress redistribution by means of the underfill material may be enhanced.
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