KR100879449B1 - 정전 용량형 센서 칩 제조공정중 발생한 오차의 자동 보정을 구현하는 방법 및 회로 - Google Patents
정전 용량형 센서 칩 제조공정중 발생한 오차의 자동 보정을 구현하는 방법 및 회로 Download PDFInfo
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- KR100879449B1 KR100879449B1 KR1020060114158A KR20060114158A KR100879449B1 KR 100879449 B1 KR100879449 B1 KR 100879449B1 KR 1020060114158 A KR1020060114158 A KR 1020060114158A KR 20060114158 A KR20060114158 A KR 20060114158A KR 100879449 B1 KR100879449 B1 KR 100879449B1
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- correction
- capacitance
- capacitive sensor
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- sensor chip
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- 238000012937 correction Methods 0.000 title claims abstract description 169
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 4
- 238000012360 testing method Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 10
- 230000003071 parasitic effect Effects 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 5
- 238000005070 sampling Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/26—Testing of individual semiconductor devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/945—Proximity switches
- H03K17/955—Proximity switches using a capacitive detector
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- General Physics & Mathematics (AREA)
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Abstract
Description
Claims (8)
- 삭제
- 정전 용량을 센싱하여 센싱된 정전 용량 값을 제 1 데이터로 변환하되, 상기 센싱된 정전 용량 값을 보정하기 위한 옵셋 커패시턴스 보정 수단 또는 이득 커패시턴스 보정 수단이 구비되는 변환부와,상기 데이터를 수신받아 상기 센서 칩 내에 저장된 보정을 위한 고정된 기준값과 비교하여 보정여부를 판단하고 보정을 수행하도록 상기 변환부에 명령하는 보정부와,상기 제 1 데이터 또는 상기 명령에 따라 변환부가 상기 보정을 수행한 후 발생한 제 2 데이터를 출력하되, 상기 제 1 데이터 또는 상기 제 2 데이터를 보정하기 위한 출력 이득 보정 수단, 출력 옵셋 보정 수단 및 필터 보정 수단 중 어느 하나가 구비되는 출력부를 포함하는 정전 용량형 센서 칩 제조공정중 발생한 오차의 자동 보정을 구현하는 회로.
- 삭제
- 제 2 항에 있어서,상기 옵셋 커패시턴스 보정 수단, 상기 이득 커패시턴스 보정 수단, 상기 출력 이득 보정, 상기 출력 옵셋 보정 수단 및 필터 보정 수단 중 어느 하나에 의해 보정이 먼저 이루어지면, 다른 위치의 보정 수단은 상기 먼저 이루어진 보정 수단의 보정 값을 이용하여, 보정이 수행되는 정전 용량형 센서 칩 제조공정중 발생한 오차의 자동 보정을 구현하는 회로.
- 삭제
- 정전 용량을 센싱하여 센싱된 정전 용량 값을 제 1 데이터로 변환하는 단계와,상기 데이터를 수신받아 상기 센서 칩 내에 저장된 보정을 위한 고정된 기준값과 비교하여 보정여부를 판단하고 보정을 수행하는 단계와,상기 제 1 데이터 또는 상기 보정을 수행한 후 발생한 제 2 데이터를 출력하는 단계를 포함하는 정전 용량형 센서 칩 제조공정중 발생한 오차의 자동 보정을 구현하는 방법.
- 제 6 항에 있어서,상기 보정은 옵셋 커패시턴스 보정, 이득 커패시턴스 보정, 출력 이득 보정, 출력 옵셋 보정 및 필터 보정 중 어느 하나 인 정전 용량형 센서 칩 제조공정중 발생한 오차의 자동 보정을 구현하는 방법.
- 제 7 항에 있어서,상기 옵셋 커패시턴스 보정, 이득 커패시턴스 보정, 출력 이득 보정, 출력 옵셋 보정 및 필터 보정 중 어느 하나의 보정이 먼저 이루어지고, 다른 위치의 보정은 상기 먼저 이루어진 보정 값을 이용하여, 보정이 수행되는 정전 용량형 센서 칩 제조공정중 발생한 오차의 자동 보정을 구현하는 방법.
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KR1020060114158A KR100879449B1 (ko) | 2006-11-17 | 2006-11-17 | 정전 용량형 센서 칩 제조공정중 발생한 오차의 자동 보정을 구현하는 방법 및 회로 |
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KR1020060114158A KR100879449B1 (ko) | 2006-11-17 | 2006-11-17 | 정전 용량형 센서 칩 제조공정중 발생한 오차의 자동 보정을 구현하는 방법 및 회로 |
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KR20080045037A KR20080045037A (ko) | 2008-05-22 |
KR100879449B1 true KR100879449B1 (ko) | 2009-01-20 |
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Families Citing this family (4)
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KR101520723B1 (ko) * | 2013-12-04 | 2015-05-15 | 크루셜텍 (주) | 지문 검출 장치 및 이의 구동 방법 |
WO2015084062A1 (ko) * | 2013-12-04 | 2015-06-11 | 크루셜텍 주식회사 | 지문 검출 장치 및 이의 구동 방법 |
DE102018132486A1 (de) * | 2018-12-17 | 2020-06-18 | Sennheiser Electronic Gmbh & Co. Kg | Mikrofonkapsel, Mikrofonanordnung mit mehreren Mikrofonkapseln und Verfahren zum Kalibrieren eines Mikrofonarrays |
CN115226964A (zh) * | 2022-08-22 | 2022-10-25 | 深圳湃科锐锋科技有限公司 | 一种可校准启动阈值的电子烟 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20040056625A (ko) * | 2002-12-24 | 2004-07-01 | 삼성전기주식회사 | 출력 레벨 균일화 기능을 갖는 정전용량형 mems 센서 |
KR20050055156A (ko) * | 2003-12-05 | 2005-06-13 | 주식회사 이에스에스디 | 기준값 자동 설정 방법을 이용한 디지털 센서 감지 방법및 장치 |
JP2005286734A (ja) | 2004-03-30 | 2005-10-13 | Aisin Seiki Co Ltd | 静電容量変化検出装置 |
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Publication number | Priority date | Publication date | Assignee | Title |
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KR20040056625A (ko) * | 2002-12-24 | 2004-07-01 | 삼성전기주식회사 | 출력 레벨 균일화 기능을 갖는 정전용량형 mems 센서 |
KR20050055156A (ko) * | 2003-12-05 | 2005-06-13 | 주식회사 이에스에스디 | 기준값 자동 설정 방법을 이용한 디지털 센서 감지 방법및 장치 |
JP2005286734A (ja) | 2004-03-30 | 2005-10-13 | Aisin Seiki Co Ltd | 静電容量変化検出装置 |
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