Magnetic memory cells with low switching current density
    61.
    发明授权
    Magnetic memory cells with low switching current density 有权
    具有低开关电流密度的磁存储单元

    公开(公告)号:US09542987B2

    公开(公告)日:2017-01-10

    申请号:US15012798

    申请日:2016-02-01

    Abstract: Memory cells and methods for forming a memory cell are disclosed. The memory cell includes a substrate defined with a memory cell region. A cell selector unit is defined on the substrate. The cell selector unit includes at least one select transistor. A storage element which includes a magnetic tunnel junction (MTJ) element is coupled to the selector unit. The MTJ element includes a free layer, a fixed layer and a tunnel barrier sandwiched between the fixed and free layers. A spin-orbit-torque (SOT) layer is coupled to the selector unit and is in direct contact with the free layer. A strain induced layer is coupled to a digital line (DL) and is in direct contact with the SOT layer. When the DL is activated, an electric field applied to the strain induced layer induces a strain on the SOT layer.

    Abstract translation: 公开了用于形成存储单元的存储单元和方法。 存储单元包括由存储单元区限定的衬底。 在基板上限定单元选择器单元。 单元选择器单元包括至少一个选择晶体管。 包括磁性隧道结(MTJ)元件的存储元件被耦合到选择器单元。 MTJ元件包括夹在固定层和自由层之间的自由层,固定层和隧道屏障。 自旋轨道转矩(SOT)层耦合到选择器单元并与自由层直接接触。 应变感应层耦合到数字线(DL)并与SOT层直接接触。 当DL被激活时,施加到应变感应层的电场在SOT层上引起应变。

    Sensor devices
    63.
    发明授权

    公开(公告)号:US11774402B2

    公开(公告)日:2023-10-03

    申请号:US17699219

    申请日:2022-03-21

    CPC classification number: G01N27/4148 G01N27/4145 H01L29/04 H01L29/16

    Abstract: According to various embodiments, there is provided a sensor device that includes: a substrate and two semiconductor structures. Each semiconductor structure includes a source region and a drain region at least partially disposed within the substrate, a channel region between the source region and the drain region, and a gate region. A first semiconductor structure of the two semiconductor structures further includes a sensing element electrically connected to the first gate structure. The sensing element is configured to receive a solution. The drain regions of the two semiconductor structures are electrically coupled. The source regions of the two semiconductor structures are also electrically coupled. A mobility of charge carriers of the channel region of a second semiconductor structure of the two semiconductor structures is lower than a mobility of charge carriers of the channel region of the first semiconductor structure.

    Nanogap sensors and methods of forming the same

    公开(公告)号:US11320417B2

    公开(公告)日:2022-05-03

    申请号:US16505733

    申请日:2019-07-09

    Abstract: In a non-limiting embodiment, a device may include a substrate having conducting lines thereon. One or more fin structures may be arranged over the substrate. Each fin structure may include a sensor arranged over the substrate and around the fin structure. The sensor may include a self-aligned first sensing electrode and a self-aligned second sensing electrode arranged around the fin structure. The first sensing electrode and the second sensing electrode each may include a first portion lining a sidewall of the fin structure and a second portion arranged laterally from the first portion. At least the first portion of the first sensing electrode and the first portion of the second sensing electrode may define a sensing cavity of the sensor. The second portion of the first sensing electrode and the second portion of the second sensing electrode may be electrically coupled to the conducting lines.

    Sensor devices for detecting a pH change in a solution

    公开(公告)号:US11313827B2

    公开(公告)日:2022-04-26

    申请号:US16455772

    申请日:2019-06-28

    Abstract: According to various embodiments, there is provided a sensor device that includes: a substrate and two semiconductor structures. Each semiconductor structure includes a source region and a drain region at least partially disposed within the substrate, a channel region between the source region and the drain region, and a gate region. A first semiconductor structure of the two semiconductor structures further includes a sensing element electrically connected to the first gate structure. The sensing element is configured to receive a solution. The drain regions of the two semiconductor structures are electrically coupled. The source regions of the two semiconductor structures are also electrically coupled. A mobility of charge carriers of the channel region of a second semiconductor structure of the two semiconductor structures is lower than a mobility of charge carriers of the channel region of the first semiconductor structure.

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