Invention Grant
US09449912B1 Integrated circuit (IC) card having an IC module and reduced bond wire stress and method of forming 有权
集成电路(IC)卡具有IC模块和减少的接合线应力和形成方法

Integrated circuit (IC) card having an IC module and reduced bond wire stress and method of forming
Abstract:
An integrated circuit (IC) module for an IC card includes a plurality of IC card contacts in side-by-side relation. A dielectric support layer is above the contact layer and has a plurality of openings and a first coefficient of thermal expansion (CTE). An IC die is above the dielectric support layer and includes a plurality of bond pads. A bond wire extends from a respective bond pad to a corresponding contact through an adjacent opening in the dielectric support layer. A respective body of fill material is within each opening and has a second CTE. A mold compound body is above the dielectric support layer, the bodies of fill material, and surrounding the IC die. The mold compound body has a third CTE. The first CTE is closer to the second CTE than to the third CTE.
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