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    • 6. 发明申请
    • FLEXURAL PIVOT FOR MICRO-SENSORS
    • 用于微型传感器的柔性传感器
    • WO2009043032A1
    • 2009-04-02
    • PCT/US2008/078168
    • 2008-09-29
    • ENDEVCO CORPORATIONWILNER, Leslie, Bruce
    • WILNER, Leslie, Bruce
    • G01P3/00
    • G01L1/2218G01P15/0888G01P15/123G01P2015/0831
    • A micro-sensor is provided with a fixed reference frame and an elastic pivot. The elastic pivot has at least two co-axial segments of pivot and is coupled to the fixed reference frame. The elastic pivot has a neutral axis that is a central line of the pivot. A moveable body is coupled to the elastic pivot and the reference frame. The moveable body and the reference frame share a reference surface. The moveable body extends between the two co-axial segments to provide that for a rotation of the moveable body about the pivot the moveable body approaches the reference surface at a first side, and recedes from the reference surface from an opposite side to provide an opening gap and a closing gap. The neutral axis is below the reference surface.
    • 微传感器设置有固定的参考框架和弹性枢轴。 弹性枢轴具有至少两个枢轴的同轴段,并且连接到固定的参考系。 弹性枢轴具有作为枢轴的中心线的中性轴线。 可移动主体联接到弹性枢轴和参考框架。 可移动体和参考框架共享参考面。 可移动体在两个同轴段之间延伸以提供可移动体围绕枢轴旋转的可动体在第一侧接近参考表面,并从参考表面从相对侧后退以提供开口 差距和缩小差距。 中性轴低于参考面。
    • 7. 发明申请
    • HIGHLY SENSITIVE PIEZORESISTIVE ELEMENT
    • 高灵敏度的PIEZORESISTIVE元素
    • WO2008043061A2
    • 2008-04-10
    • PCT/US2007/080547
    • 2007-10-05
    • ENDEVCO CORPORATIONWILNER, Leslie, Bruce
    • WILNER, Leslie, Bruce
    • G01L1/22H01C17/00
    • G01L1/2293G01L1/18Y10T29/49103
    • A mechanical-to-electrical sensing structure has first and second movable blocks formed in a handle layer. A first hinge is coupled to the first and second movable blocks and configured to resist loads other than flexing of the first hinge. The first hinge is formed in the handle layer. A first gauge is separated from the first hinge and aligned to provide that a moment tending to rotate one of the first or second blocks relative to the other about the first hinge applies a tensile or compressive force along a length of the first gauge. The first gauge is formed from a device layer with an oxide between the device and handle layers. The sensing structure is made from an SOI wafer, and the first gauge is protected during an etching away of handle material beneath the first gauge by an oxide between the device and handle layers and an etch-resistant oxide or nitride on exterior surfaces of the first gauge.
    • 机械到电感测结构具有形成在手柄层中的第一和第二可移动块。 第一铰链联接到第一和第二可移动块并且构造成抵抗除了第一铰链的弯曲之外的载荷。 第一铰链形成在手柄层中。 第一仪表与第一铰链分离并对齐以提供趋向于使第一或第二块之一相对于第一铰链围绕第一铰链旋转的力矩沿着第一量规的长度施加拉伸或压缩力。 第一规格由装置层和手柄层之间的氧化物的器件层形成。 感测结构由SOI晶片制成,并且在第一规格下方的手柄材料的蚀刻之前,第一规格由器件和手柄层之间的氧化物和第一表面的外表面上的抗蚀刻氧化物或氮化物进行保护 测量。
    • 9. 发明申请
    • DIFFERENTIAL CAPACITIVE TRANSDUCER AND METHOD
    • 差分电容式传感器和方法
    • WO1989008847A1
    • 1989-09-21
    • PCT/US1989000988
    • 1989-03-13
    • ENDEVCO CORPORATION
    • ENDEVCO CORPORATIONWILNER, Leslie, Bruce
    • G01P15/125
    • G01P15/125Y10T29/435
    • A differential variable capacitance acceleration sensor includes a sandwich structure having three stacked plates (10, 40, 60) of silicon with the center plate (10) mounted such that its center portion (12) is enabled to move in a sealed cavity with each side thereof moving toward and away from a fixed cooperating plate forming the opposite side of a capacitive circuit. The center portion (12) or mass of the center plate (10) is suspended from its rim (14) by means of a large number of integral fingers (18, 20) extending from the rim (14) to the top and bottom surfaces of the center portion (12). This center mass (12) includes a number of through holes (16) to permit the passage of air from one side to the other and may also include grooves to aid in the flow of air. The fixed top plate or lid (40) and the base (60) also have, or may have, grooves (46, 66) to assist in the passage of air. An alternative embodiment includes a smaller number of more compliant fingers (108) to provide a more compliant structure. A number of spaced stops (48, 68) are provided in the lid and based to overcome electrostatic and pneumatic latch up. The method of forming the individual parts is also taught.