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    • 53. 发明申请
    • Micromechanical piezoresistive pressure sensor device
    • 微机械压阻式压力传感器装置
    • US20050252302A1
    • 2005-11-17
    • US11128147
    • 2005-05-11
    • Joerg MuchowHubert Benzel
    • Joerg MuchowHubert Benzel
    • B81B3/00G01L9/00G01L9/06H01L29/82
    • G01L19/0069G01L9/0054G01L19/147
    • The present invention creates a micromechanical piezoresistive pressure sensor device having a sensor substrate (1), in which an essentially rectangular diaphragm region (50) is provided; a piezoresistive resistance device (S1-S4; S1, S2, S3′, S4′) having at least one piezoresistive resistor strip (S1-S4; S1, S2), which runs parallel to the longitudinal edges (55a, 55b) of the diaphragm device (50) across the entire length of the diaphragm device (50) and onto the surrounding sensor substrate (1); the piezoresistive resistor strip (S1-S4; S1, S2) having a narrow center region (S10-S40; S10, S20, S30′, S40′) and widened end regions (S11, S12, S21, S22, S31, S32, S41, S42; S11, S12, S21, S22, S31′, S32′, S41′, S42′) and the widened end regions (S11, S12, S21, S22, S31, S32, S41, S42; S11, S12, S21, S22, S31′, S32′, S41′, S42′) running across the short edges (56a, 56b) of the diaphragm device (50).
    • 本发明创建了一种具有传感器基板(1)的微机械压阻式压力传感器装置,其中设置有基本上矩形的隔膜区域(50) 具有至少一个压阻电阻条(S 1 -S 4; S 1,S 2)的压阻电阻器件(S 1 -S 4; S 1,S 2,S 3',S 4'),其平行于 隔膜装置(50)的纵向边缘(55a,55b)穿过隔膜装置(50)的整个长度并且在周围的传感器基板(1)上; 具有窄中心区域(S 10 -S 40; S 10,S 20,S 30',S 40')和加宽端部区域(S11)的压阻电阻带(S 1 -S 4; S 1,S 2) ,S 12,S 21,S 22,S 31,S 32,S 41,S 42,S 11,S 12,S 21,S 22,S 31',S 32',S 41',S 42' 和加宽的端部区域(S11,S12,S21,S22,S31,S32,S41,S42; S11,S12,S21,S22,S31',S32' S 41',S 42')延伸穿过隔膜装置(50)的短边缘(56a,56b)。