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    • 7. 发明申请
    • FINGERPRINT SENSING DEVICE
    • 指纹感应装置
    • WO2016093763A1
    • 2016-06-16
    • PCT/SE2015/051318
    • 2015-12-09
    • FINGERPRINT CARDS AB
    • LUNDAHL, Karl
    • G06K9/00A61B5/1172
    • G06K9/0002G06F3/044G06F3/0488G06K9/00053G06K9/209H01L27/14618H01L27/14678H01L2224/48471
    • The present invention relates to a fingerprint sensing device and to a method of manufacturing such a device. The device comprises a substrate with readout circuitry, a sensing chip arranged on the substrate. The sensing chip comprising a plurality of sensing elements having a surface defining a sensing plane, each sensing element being configured to provide a signal indicative of an electromagnetic coupling between a sensing element and a finger placed on the sensing device; bond wires arranged between bond pads located on the sensing chip on the substrate, respectively,to electrically connect the sensing chip to the readout circuitry. A portion of the bond wire protrudes above the chip and an adhesive is arranged on the sensing chip to covering to cover the chip so that the portion of the bond wire protruding above the chip is embedded in the adhesive. A protective plate is attached to the sensing chip by the adhesive. The protective plate forms an exterior.
    • 本发明涉及一种指纹感测装置及其制造方法。 该器件包括具有读出电路的衬底,布置在衬底上的感测芯片。 感测芯片包括具有限定感测平面的表面的多个感测元件,每个感测元件被配置为提供指示感测元件和放置在感测装置上的手指之间的电磁耦合的信号; 分别布置在位于基板上的感测芯片上的接合焊盘之间以将感测芯片电连接到读出电路的接合线。 接合线的一部分突出在芯片的上方,并且在感测芯片上布置粘合剂以覆盖以覆盖芯片,使得突出在芯片上方的接合线的部分嵌入粘合剂中。 保护板通过粘合剂附着在感测芯片上。 保护板形成外部。
    • 8. 发明申请
    • FINGERPRINT SENSOR WITH SYNC SIGNAL INPUT
    • 带同步信号输入的指纹传感器
    • WO2016043643A1
    • 2016-03-24
    • PCT/SE2015/050949
    • 2015-09-09
    • FINGERPRINT CARDS AB
    • THÖRNBLOM, Hans
    • G06K9/00G06F21/32H04W12/06
    • G06K9/0002G06K9/00053
    • The present invention relates to a fingerprint sensor comprising a voltage supply interface for receiving a supply voltage; a sensor communication interface for providing the fingerprint pattern signal to external circuitry; a synchronization input for receiving a sync signal interpreted to correspond to a first logical state when the sensor ground potential is at the first potential and to a second logical state, different from the first logical state, when the sensor ground potential is at the second potential, and a plurality of sensing elements, each comprising a sensing structure. The sensing elements are configured such that the potential of the sensing structures follows the potential of the modulated fingerprint sensor ground potential, and the timing of the sampling of sensing signals from the sensing elements is based on perceived state transitions of the sync signal.
    • 本发明涉及一种指纹传感器,包括用于接收电源电压的电压供应接口; 用于将指纹图案信号提供给外部电路的传感器通信接口; 当传感器接地电位处于第二电位时,同步输入用于接收被解释为对应于传感器接地电位处于第一电位的第一逻辑状态的同步信号和与第一逻辑状态不同的第二逻辑状态 ,以及多个感测元件,每个都包括感测结构。 感测元件被配置为使得感测结构的电位跟随调制的指纹传感器接地电位的电位,并且来自感测元件的感测信号的采样的定时基于同步信号的感知状态转换。