KR920006746A - 반도체용량식 가속도계 - Google Patents

반도체용량식 가속도계 Download PDF

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KR920006746A
KR920006746A KR1019910015341A KR910015341A KR920006746A KR 920006746 A KR920006746 A KR 920006746A KR 1019910015341 A KR1019910015341 A KR 1019910015341A KR 910015341 A KR910015341 A KR 910015341A KR 920006746 A KR920006746 A KR 920006746A
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plate
silicon plate
capacitive accelerometer
semiconductor capacitive
thin film
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KR1019910015341A
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벤자민 클로익
수주끼 세이고
쯔시다니 시게끼
미끼 마사유끼
마수모또 마사히로
사또 가주오
고이데 아끼라
이찌가와 노리오
가와이 유끼꼬
이비네 히로미시
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미쓰다 가쓰시게
가부시끼가이샤 히다찌 세이사꾸쇼
호시 지스기
히다찌오토모티브엔지니어링 컴파니 리미티드
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Publication of KR920006746A publication Critical patent/KR920006746A/ko

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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
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/483—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by variable capacitance detectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICROSTRUCTURAL TECHNOLOGY
    • B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
    • B81B7/00—Microstructural systems; Auxiliary parts of microstructural devices or systems
    • B81B7/0032—Packages or encapsulation
    • B81B7/007—Interconnections between the MEMS and external electrical signals
    • 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
    • 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
    • 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
    • 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
    • H01L2224/44—Structure, shape, material or disposition of the wire connectors prior to the connecting process
    • H01L2224/45—Structure, shape, material or disposition of the wire connectors prior to the connecting process of an individual wire connector
    • H01L2224/45001—Core members of the connector
    • H01L2224/45099—Material
    • H01L2224/451—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof
    • H01L2224/45138—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof the principal constituent melting at a temperature of greater than or equal to 950°C and less than 1550°C
    • H01L2224/45144—Gold (Au) as principal constituent
    • 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
    • H01L2224/484—Connecting portions
    • H01L2224/48463—Connecting portions the connecting portion on the bonding area of the semiconductor or solid-state body being a ball bond

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Pressure Sensors (AREA)

Abstract

내용 없음

Description

반도체용량식 가속도계
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 의한 반도체용량식 가속도계의 1실시예의 외관도, 제2도는 제1도에 표시한 실시예에서 사용되는 중부실리콘판의 평면도, 제3도는 제2도의 X -X선을 따라 취해진 제1도에 표시한 실시예의 단면도.

Claims (12)

  1. 중부실리콘판과, 상기 중부실리콘판내에 형성되고 그리고 그의 평면에 실질적으로 수직방향으로 이동되게 빔에 의해 지지되는 진자 질양을 구성하는 가동전극과, 상기 실리콘판내에 형성되고 제1의 다리에 의해 움직이지 않게 지지되는 제1도체부와, 상기 중부실리콘판에 접합되는 상부유리판, 소정의 개프로 상기 전극의 한면에 접하는 위치에서 상기 상부유리판상에 형성되는 제1의 고정전극과, 상기 중부실리콘판에 접합되는 하부유리판과, 소정의 개프로 상기 가동전극의 다른면에 접하는 위치에서 상기 하부유리판에 형성되는 제2의 고전전극을 포함하고 그리고 제1, 제2, 제2 패드는 상기 중부실리콘판의 외부에서 상기 하부유리판상에 배치되고, 상기 제1패드는 상기하부유리판과 상기 제1도 체부상에 형성되는 제1박막리드에 의해 상기 제1고정전극에 전기전극으로 접속되고, 상기 제2패드도 상기 하부유리판에 형성되는 제2박막리드에 의해 상기 가동전극에 전기적으로 접속되고, 그리고 상기 중부실리콘판과 상기 제3패드도 상기 하부유리판상에 형성되는 제3박막리드에 의해 상기 제2고정전극에 전기적으로 접속돼는 반도체 용량식 가속도계.
  2. 제1항에 있어서, 상기 제1의 다리는 열산화물과 실리콘나이트리드로 구성하는 그룹에서 선택되는 절연물에 의해 구성되는 반도체용량식 가속도계.
  3. 제1항에 있어서, 상기 중부실리콘판내에 형성되고 그리고 제2의 다리를 통하여 상기 중부실리콘판에 의해 움직이지 않게 지지되는 제2도체를 포함하는 반도체용량식 가속도계.
  4. 제3항에 있어서, 상기 중부실리콘판은 n형 도절율인 반도체용량식 가속도계.
  5. 제4항에 있어서, 상기 제1과 제2의 다리는 상기 중부실리콘판의 대응하는 부분에 불순물을 확산하는 것에의해 얻은 P++요소에 의해 구성되는 반도체용량식 가속도계.
  6. 제1항에 있어서, 상기 가동전극은 상기 제1과 제2고정전극에 각각 접하는 양면의 코너에 절연막을 가지는 반도체용량식 가속도계.
  7. 제1항에 있어서, 상기 중부실리콘판은 상기 제1과 제3박막리드에 각각 접하는 표면상에 절연막으로 피복되는 제1과 제2계열의 삼(3)각 형상의 돌기를 가지고 상기 계열의 3각형상의 돌기는 상기 중부 실리콘판과 상기 하부유리판의 접합동작시 상기 제1과 제3박막리드에 밀어넣어져서 상기 중부실리콘판과 상기 하부유리판사이가 밀폐되게 봉하고 동시에 그곳 사이를 전기적으로 분리하는 반도체용량식 가속도계.
  8. 제7항에 있어서, 상기 중부실리콘판은 n형도전율이고 상기 제2박막리드에 접하는 표면상에 n형영역을 가지는 반도체용량식 가속도계.
  9. 제1항에 있어서, 상기 중부실리콘판은 상기 제1과 상기 제3박막리드에 접하는 위치에 제1과 제2구멍을 가지고, 그리고 상기 제1과 제2구멍은 절연물에 의해 밀폐되어서 상기 중부실리콘판과 상기 하부유리판사이를 밀폐되게 봉하고 동시에 그곳사이를 전기적으로 분리하는 반도체용량식 가속도계.
  10. 제9항에 있어서, 상기 제1과 제2구멍은 스퍼터링과 CVD 방법중의 하나에 의해 밀폐되는 반도체용량식 가속도계.
  11. 제9항에 있어서, 상기 절연물은 저융점유리와 또는 실리콘고무로 구성하는 그룹에서 선택되는 반도체용량식 가속도계.
  12. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910015341A 1990-09-07 1991-09-03 반도체용량식 가속도계 KR920006746A (ko)

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JP2-235539 1990-09-07
JP2235539A JP2786321B2 (ja) 1990-09-07 1990-09-07 半導体容量式加速度センサ及びその製造方法

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