JP4165360B2 - 力学量センサ - Google Patents
力学量センサ Download PDFInfo
- Publication number
- JP4165360B2 JP4165360B2 JP2003348253A JP2003348253A JP4165360B2 JP 4165360 B2 JP4165360 B2 JP 4165360B2 JP 2003348253 A JP2003348253 A JP 2003348253A JP 2003348253 A JP2003348253 A JP 2003348253A JP 4165360 B2 JP4165360 B2 JP 4165360B2
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- Prior art keywords
- sensor
- circuit board
- sensor substrate
- substrate
- silicon layer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
- G01P1/02—Housings
- G01P1/023—Housings for acceleration measuring devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
- G01P15/0802—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
- G01P15/125—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by capacitive pick-up
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/18—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration in two or more dimensions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
- G01P2015/0805—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values being provided with a particular type of spring-mass-system for defining the displacement of a seismic mass due to an external acceleration
- G01P2015/0822—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values being provided with a particular type of spring-mass-system for defining the displacement of a seismic mass due to an external acceleration for defining out-of-plane movement of the mass
- G01P2015/0825—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values being provided with a particular type of spring-mass-system for defining the displacement of a seismic mass due to an external acceleration for defining out-of-plane movement of the mass for one single degree of freedom of movement of the mass
- G01P2015/0828—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values being provided with a particular type of spring-mass-system for defining the displacement of a seismic mass due to an external acceleration for defining out-of-plane movement of the mass for one single degree of freedom of movement of the mass the mass being of the paddle type being suspended at one of its longitudinal ends
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48135—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip
- H01L2224/48137—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being arranged next to each other, e.g. on a common substrate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48151—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/48221—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/48245—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic
- H01L2224/48247—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic connecting the wire to a bond pad of the item
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/181—Encapsulation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/19—Details of hybrid assemblies other than the semiconductor or other solid state devices to be connected
- H01L2924/191—Disposition
- H01L2924/19101—Disposition of discrete passive components
- H01L2924/19107—Disposition of discrete passive components off-chip wires
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/30—Technical effects
- H01L2924/301—Electrical effects
- H01L2924/3025—Electromagnetic shielding
Description
図1は本発明の第1実施形態に係る力学量センサとしての加速度センサS1の概略断面構成を示す図である。また、図2(a)は、図1中において積層され一体化されたセンサ基板10および回路基板20の拡大図である。
図5は、本発明の第2実施形態に係る力学量センサとしての加速度センサS2の概略断面構成を示す図である。
図6は、本発明の第3実施形態に係る力学量センサとしての加速度センサS3の概略断面構成を示す図である。本加速度センサS3は、上記図1に示す加速度センサS1において、回路基板20に凹部24を設けたものである。
図8は、本発明の第4実施形態に係る力学量センサとしての加速度センサS4の概略断面構成を示す図であり、図9は、図8中の回路基板20の上視図である。なお、図9中、識別のため便宜上ハッチングを施してある。本実施形態は、センサ基板10の一面11に可動部13が複数個設けられているものである。
図11は、本発明の第5実施形態に係る力学量センサとしての加速度センサS5の概略断面構成を示す図であり、図12は、図11中のセンサ基板10、回路基板20およびリードフレーム50の上視図である。なお、図12中、識別のため便宜上ハッチングを施してある。
図13は、本発明の第6実施形態に係る力学量センサとしての加速度センサS6の概略断面構成を示す図である。本実施形態は上記第5実施形態を変形したものである。
図14は、本発明の第7実施形態に係る力学量センサとしての加速度センサS7の概略断面構成を示す図である。
図16は、本発明の第8実施形態に係る力学量センサとしての加速度センサS8の概略断面構成を示す図である。
なお、上記第2実施形態以降の各実施形態においても、回路基板20の表面21とセンサ基板10の一面11とを対向させた構成を適宜採用するようにしても良い。
15…絶縁体としての第1の酸化シリコン膜、20…回路基板、
20a…はみ出し領域、25…リム部、30…空隙部、40…接合部、
50…リードフレーム、70…ボンディングワイヤ、80…モールド材、
85…軟質材、90…別体基板。
Claims (3)
- 一面側に力学量の印加に伴い変位する可動部(13)が設けられ、他面側には前記可動部と絶縁体(15)で分離されたシリコン層(14)が設けられたセンサ基板(10)と、
前記センサ基板と電気信号のやり取りを行う回路基板(20)とを備え、
前記回路基板は、前記センサ基板の一面と対向して前記可動部を覆いつつ前記可動部とは空隙部(30)を介して配置されており、
前記空隙部の周囲にて前記センサ基板と前記回路基板とが接合され、この接合部(40)は前記空隙部を取り囲んだ形に形成されている力学量センサであって、
前記センサ基板(10)と前記回路基板(20)とはボンディングワイヤ(70)を介して電気的に接続されており、
前記回路基板は、第1のシリコン層(26)、酸化シリコン層(27)、第2のシリコン層(28)が積層されてなるSOI構造のものであり、
前記第1のシリコン層に回路素子が形成され、前記第2のシリコン層と前記センサ基板とが導電性接着剤を用いた前記接合部により電気的に接合されており、
前記センサ基板における前記接合部によって接合された領域を定電圧にするために、前記センサ基板にボンディングパッドが設けられ、このボンディングパッドにワイヤボンディングが行われていることを特徴とする力学量センサ。 - 前記電気信号を外部に伝達するためのリードフレーム(50)が備えられており、前記センサ基板におけるシリコン層が前記リードフレームに電気的に接合されて、前記センサ基板におけるシリコン層を定電圧にするように構成されていることを特徴とする請求項1に記載の力学量センサ。
- 前記センサ基板、前記回路基板、前記ボンディングワイヤおよび前記リードフレームは、モールド材(80)よりも軟らかい軟質材(85)にて封止され、この軟質材の外側が前記モールド材にて包み込まれていることを特徴とする請求項2に記載の力学量センサ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003348253A JP4165360B2 (ja) | 2002-11-07 | 2003-10-07 | 力学量センサ |
US10/695,785 US20040238943A1 (en) | 2002-11-07 | 2003-10-30 | Dynamic quantity sensor |
DE10351761A DE10351761B4 (de) | 2002-11-07 | 2003-11-06 | Sensor für eine dynamische Grösse |
US11/709,271 US7671432B2 (en) | 2002-11-07 | 2007-02-22 | Dynamic quantity sensor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002323896 | 2002-11-07 | ||
JP2003348253A JP4165360B2 (ja) | 2002-11-07 | 2003-10-07 | 力学量センサ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004170390A JP2004170390A (ja) | 2004-06-17 |
JP4165360B2 true JP4165360B2 (ja) | 2008-10-15 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003348253A Expired - Fee Related JP4165360B2 (ja) | 2002-11-07 | 2003-10-07 | 力学量センサ |
Country Status (3)
Country | Link |
---|---|
US (2) | US20040238943A1 (ja) |
JP (1) | JP4165360B2 (ja) |
DE (1) | DE10351761B4 (ja) |
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2003
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- 2003-10-30 US US10/695,785 patent/US20040238943A1/en not_active Abandoned
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2015045596A (ja) * | 2013-08-29 | 2015-03-12 | 株式会社デンソー | 半導体装置 |
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JP2004170390A (ja) | 2004-06-17 |
US7671432B2 (en) | 2010-03-02 |
US20040238943A1 (en) | 2004-12-02 |
DE10351761A1 (de) | 2004-05-27 |
DE10351761B4 (de) | 2012-08-09 |
US20070158822A1 (en) | 2007-07-12 |
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