Invention Grant
US09323972B2 Finger biometric sensor including stacked die each having a non-rectangular shape and related methods 有权
手指生物测定传感器包括各自具有非矩形形状的堆叠模具和相关方法

Finger biometric sensor including stacked die each having a non-rectangular shape and related methods
Abstract:
A finger biometric sensor may include first and second integrated circuit (IC) dies arranged in a stacked relation. The first IC die may include a first semiconductor substrate and an array of finger biometric sensing pixels thereon, and the second IC die may include a second semiconductor substrate and processing circuitry thereon coupled to the array of finger biometric sensing pixels. The first and second IC dies may each have respective first and second non-rectangular shapes, such as circular shapes that are coextensive.
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