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DISPOSITIF DE DÉTECTION D'EMPREINTES DIGITALES
专利权人:
Fingerprint Cards AB
发明人:
LUNDAHL, Karl
申请号:
EP15867305
公开号:
EP3230924A4
申请日:
2015.12.09
申请国别(地区):
EP
年份:
2018
代理人:
摘要:
A fingerprint sensing device (and associated method of manufacturing) comprises a sensing chip arranged on a substrate with readout circuitry. 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 and forms an exterior surface of the device.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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