PRESSURE SENSOR DEVICE AND METHOD FOR TESTING THE PRESSURE SENSOR DEVICE

    公开(公告)号:US20170322098A1

    公开(公告)日:2017-11-09

    申请号:US15144985

    申请日:2016-05-03

    CPC classification number: G01L9/0072 G01L27/007

    Abstract: A pressure sensor device and a method for testing the pressure sensor device is provided. The pressure sensor device includes a first pressure sensor cell having a first capacitance value, and a second pressure sensor cell having a second capacitance value, the second capacitance value being different from the first capacitance value. In one embodiment, the method includes determining a temperature coefficient offset to test for faults in the pressure sensor device. In another embodiment, the method includes determining a differential mode calculation and a common mode calculation. A fault exists if the differential and common mode calculations do not agree.

    Methods for repackaging copper wire-bonded microelectronic die

    公开(公告)号:US09799617B1

    公开(公告)日:2017-10-24

    申请号:US15221372

    申请日:2016-07-27

    CPC classification number: H01L24/03 H01L24/48 H01L24/89 H01L24/98 H01L2224/033

    Abstract: Methods for repacking copper wire bonded microelectronic die (that is, die having bond pads bonded to copper wire bonds) are provided. In one embodiment, the repackaging method includes the step or process of obtaining a microelectronic package containing copper wire bonds and a microelectronic die, which includes bond pads to which the copper wire bonds are bonded. The microelectronic die is extracted from the microelectronic package in a manner separating the copper wire bonds from the bond pads. The microelectronic die is then attached or mounted to a Failure Analysis (FA) package having electrical contact points thereon. Electrical connections are then formed between the bond pads of the microelectronic die and the electrical contact points of the FA package at least in part by printing an electrically-conductive material onto the bond pads.

    Compensation and calibration of multiple mass MEMS sensor

    公开(公告)号:US09797921B2

    公开(公告)日:2017-10-24

    申请号:US14844965

    申请日:2015-09-03

    CPC classification number: G01P21/00

    Abstract: A system includes a MEMS sensor having dual proof masses capable of moving independently from one another in response to forces imposed upon the proof masses. Each proof mass includes an independent set of sense contacts configured to provide output signals corresponding to the physical displacement of the corresponding sense mass. A switch system is in communication with the sense contacts. The switch system is configured to enable a sense mode and various test modes for the MEMS sensor. When the switch system enables a sense mode, output signals from the sense contacts can be combined to produce sense signals. When the switch system enables a test mode, the second contacts are electrically decoupled from one another to disassociate the output signals from one another. The independent sense contacts and switch system enable the concurrent compensation and calibration of the proof masses along two different sense axes.

    COMMON PUBLIC RADIO INTERFACE, CPRI, LANE CONTROLLER AND METHOD OF OPERATING THEREOF

    公开(公告)号:US20170294994A1

    公开(公告)日:2017-10-12

    申请号:US15092338

    申请日:2016-04-06

    Abstract: The present application relates to a Common Public Radio Interface, CPRI, lane controller and a method of operating thereof. The CPRI lane controller comprises a transaction counter, a symbol counter and a comparator. The transaction counter is provided for maintaining a current aggregated transactions' size, Sizetrans, representative of an accumulated size of DMA transactions performed by a DMA controller in response to symbols transferred on a CPRI link from or to the CPRI lane controller. The symbol counter is provided for maintaining a current aggregated expected symbols' size, Sizeexp, representative of an accumulated size of a sequence of transferred symbols and a currently transferred symbol. The comparator is configured to issue a symbol awareness signal, SAS, in case the current aggregated transactions' size, Sizetrans, exceeds the current aggregated expected symbols' size, Sizeexp.

    CAPACITIVE SENSOR DEVICE AND METHOD OF OPERATION

    公开(公告)号:US20170293375A1

    公开(公告)日:2017-10-12

    申请号:US15094333

    申请日:2016-04-08

    Inventor: PETR CHOLASTA

    CPC classification number: G06F3/044 G06F3/0416 H03K17/962 H03K2217/960705

    Abstract: A capacitive sensor system includes a capacitive sensor device having a sense electrode that includes a first capacitor, a first supply voltage in , a first switch operable to couple the sense electrode to the first supply voltage during a first mode and an analog to digital converter during a second mode, a second switch operable to couple a second capacitor to a second supply voltage during the first mode and to an open circuit during the second mode, and a resistive element that includes a first terminal coupled between the first capacitor and the first switch, and a second terminal coupled between the second capacitor and the second switch.

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