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    • 81. 发明专利
    • Wiring board, piezoelectric oscillator, gyro sensor, and method for manufacturing wiring board
    • 接线板,压电振荡器,陀螺传感器及制造接线板的方法
    • JP2011238674A
    • 2011-11-24
    • JP2010107007
    • 2010-05-07
    • Seiko Epson Corpセイコーエプソン株式会社
    • YODA TAKESHI
    • H01L23/12H01L25/065H01L25/07H01L25/18
    • H01L21/76898B81B7/0006B81B2201/0242B81B2201/0271G01C19/56G01C19/5776H01L21/76877H01L23/481H01L2924/00H01L2924/0002H05K3/225H05K3/321H05K3/4038H05K3/429H05K3/462Y10T29/49126Y10T29/49128Y10T29/49139
    • PROBLEM TO BE SOLVED: To provide a wiring board, a piezoelectric oscillator, a gyro sensor, and a method for manufacturing the wiring board.SOLUTION: There are included a base substrate 12 having a first plane (surface 12a) and a second plane (reverse side 12b), a first insulation layer 14 laminated on the first plane, a pad electrode 16 laminated on the first insulation layer 14, a through electrode 20 connected to the pad electrode 16, and a second insulation layer 24 provided between the base substrate 12 and the first insulation layer 14. The diameter of the through electrode 20 at a connecting section (bottom section 22a) where it connects to the pad electrode 16 is smaller than that of the through electrode 20 on the second plane. In a peripheral region of a connecting section (bottom section 22a) where the through electrode 20 and the pad electrode 16 connect, the first insulation layer 14 and the second insulation layer 24 and the through electrode 20 overlap in a plan view, and the thickness of the first insulation layer 14a in the peripheral region is thinner than that of the first insulation layer 14 in other regions.
    • 要解决的问题:提供一种布线板,压电振荡器,陀螺仪传感器及其制造方法。 解决方案:包括具有第一平面(表面12a)和第二平面(反面12b)的基底基板12,层压在第一平面上的第一绝缘层14,层压在第一绝缘层上的焊盘电极16 层14,连接到焊盘电极16的通孔电极20,以及设置在基底基板12和第一绝缘层14之间的第二绝缘层24.在连接部分(底部22a)处的通孔20的直径 其连接到焊盘电极16的尺寸小于第二平面上的贯通电极20。 在贯通电极20和焊盘电极16连接的连接部(底部22a)的周边区域中,第一绝缘层14和第二绝缘层24以及贯通电极20在平面图中重叠,厚度 在周边区域中的第一绝缘层14a的厚度比其他区域中的第一绝缘层14薄。 版权所有(C)2012,JPO&INPIT