CN1564189A - Semiconductor acquisition element for fingerprint - Google Patents
Semiconductor acquisition element for fingerprint Download PDFInfo
- Publication number
- CN1564189A CN1564189A CN 200410033991 CN200410033991A CN1564189A CN 1564189 A CN1564189 A CN 1564189A CN 200410033991 CN200410033991 CN 200410033991 CN 200410033991 A CN200410033991 A CN 200410033991A CN 1564189 A CN1564189 A CN 1564189A
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- extracting device
- amplifier
- fingerprint extracting
- output
- semiconductor fingerprint
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- 239000004065 semiconductor Substances 0.000 title claims description 32
- 230000006698 induction Effects 0.000 claims description 14
- 230000005284 excitation Effects 0.000 claims description 2
- 239000010410 layer Substances 0.000 claims description 2
- 239000011241 protective layer Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 abstract description 3
- 230000001939 inductive effect Effects 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 description 17
- 238000010586 diagram Methods 0.000 description 6
- 230000003321 amplification Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
Images
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- Image Input (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200410033991 CN1278270C (en) | 2004-04-22 | 2004-04-22 | Semiconductor acquisition element for fingerprint |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200410033991 CN1278270C (en) | 2004-04-22 | 2004-04-22 | Semiconductor acquisition element for fingerprint |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1564189A true CN1564189A (en) | 2005-01-12 |
CN1278270C CN1278270C (en) | 2006-10-04 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200410033991 Expired - Fee Related CN1278270C (en) | 2004-04-22 | 2004-04-22 | Semiconductor acquisition element for fingerprint |
Country Status (1)
Country | Link |
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CN (1) | CN1278270C (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103902971A (en) * | 2014-03-12 | 2014-07-02 | 深圳市汇顶科技股份有限公司 | Fingerprint detection circuit and fingerprint detection device |
CN105447434A (en) * | 2014-09-26 | 2016-03-30 | 上海思立微电子科技有限公司 | Current-mode fingerprint identification sensor |
CN105512714A (en) * | 2014-09-26 | 2016-04-20 | 上海思立微电子科技有限公司 | Fingerprint identification sensor and sensing area thereof |
CN105809153A (en) * | 2016-04-18 | 2016-07-27 | 成都艾德沃传感技术有限公司 | Chip circuit and fingerprint collection system |
CN104155785B (en) * | 2014-08-07 | 2016-10-05 | 京东方科技集团股份有限公司 | Array base palte and driving method, display device |
WO2017016103A1 (en) * | 2015-07-24 | 2017-02-02 | 深圳市汇顶科技股份有限公司 | Fingerprint detection circuit and fingerprint recognition system |
US9679186B2 (en) | 2013-12-27 | 2017-06-13 | Byd Company Limited | Capacitance detecting device for fingerprint identification and fingerprint identification apparatus comprising the same |
CN106865486A (en) * | 2015-12-10 | 2017-06-20 | 中芯国际集成电路制造(上海)有限公司 | Capacitive fingerprint sensing device and forming method thereof and electronic product |
CN107527027A (en) * | 2014-11-07 | 2017-12-29 | 深圳市汇顶科技股份有限公司 | Fingerprint detection circuit, sensor and touch-screen |
CN107704852A (en) * | 2014-03-20 | 2018-02-16 | 深圳市汇顶科技股份有限公司 | Capacitive fingerprint sensor circuit and inductor |
US9990529B2 (en) | 2013-12-30 | 2018-06-05 | Byd Company Limited | Sensor for detecting fingerprint and identification apparatus and controlling method of sensor for detecting fingerprint |
US10346666B2 (en) | 2015-07-27 | 2019-07-09 | Shenzhen GOODIX Technology Co., Ltd. | Fingerprint detecting circuit and fingerprint identification system |
-
2004
- 2004-04-22 CN CN 200410033991 patent/CN1278270C/en not_active Expired - Fee Related
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9679186B2 (en) | 2013-12-27 | 2017-06-13 | Byd Company Limited | Capacitance detecting device for fingerprint identification and fingerprint identification apparatus comprising the same |
US9990529B2 (en) | 2013-12-30 | 2018-06-05 | Byd Company Limited | Sensor for detecting fingerprint and identification apparatus and controlling method of sensor for detecting fingerprint |
WO2015135318A1 (en) * | 2014-03-12 | 2015-09-17 | 深圳市汇顶科技股份有限公司 | Fingerprint detection circuit and fingerprint detection apparatus |
CN103902971A (en) * | 2014-03-12 | 2014-07-02 | 深圳市汇顶科技股份有限公司 | Fingerprint detection circuit and fingerprint detection device |
CN107704852A (en) * | 2014-03-20 | 2018-02-16 | 深圳市汇顶科技股份有限公司 | Capacitive fingerprint sensor circuit and inductor |
CN104155785B (en) * | 2014-08-07 | 2016-10-05 | 京东方科技集团股份有限公司 | Array base palte and driving method, display device |
US9704011B2 (en) | 2014-08-07 | 2017-07-11 | Boe Technology Group Co., Ltd. | Array substrate, driving method thereof, and display apparatus |
CN105512714B (en) * | 2014-09-26 | 2019-02-15 | 上海思立微电子科技有限公司 | A kind of fingerprint Identification sensor and its induction region |
CN105512714A (en) * | 2014-09-26 | 2016-04-20 | 上海思立微电子科技有限公司 | Fingerprint identification sensor and sensing area thereof |
CN105447434A (en) * | 2014-09-26 | 2016-03-30 | 上海思立微电子科技有限公司 | Current-mode fingerprint identification sensor |
CN105447434B (en) * | 2014-09-26 | 2019-02-15 | 上海思立微电子科技有限公司 | Current-mode fingerprint Identification sensor |
CN107527027A (en) * | 2014-11-07 | 2017-12-29 | 深圳市汇顶科技股份有限公司 | Fingerprint detection circuit, sensor and touch-screen |
WO2017016103A1 (en) * | 2015-07-24 | 2017-02-02 | 深圳市汇顶科技股份有限公司 | Fingerprint detection circuit and fingerprint recognition system |
CN106971149A (en) * | 2015-07-24 | 2017-07-21 | 深圳市汇顶科技股份有限公司 | Fingerprint detection circuit and fingerprint identification system |
KR20170107077A (en) * | 2015-07-24 | 2017-09-22 | 선전 구딕스 테크놀로지 컴퍼니, 리미티드 | Fingerprint detection circuit and fingerprint recognition system |
US10496869B2 (en) | 2015-07-24 | 2019-12-03 | Shenzhen GOODIX Technology Co., Ltd. | Fingerprint detection circuit and fingerprint recognition system |
US10346666B2 (en) | 2015-07-27 | 2019-07-09 | Shenzhen GOODIX Technology Co., Ltd. | Fingerprint detecting circuit and fingerprint identification system |
CN106865486A (en) * | 2015-12-10 | 2017-06-20 | 中芯国际集成电路制造(上海)有限公司 | Capacitive fingerprint sensing device and forming method thereof and electronic product |
CN106865486B (en) * | 2015-12-10 | 2019-04-26 | 中芯国际集成电路制造(上海)有限公司 | Capacitive fingerprint sensing device and forming method thereof and electronic product |
CN105809153A (en) * | 2016-04-18 | 2016-07-27 | 成都艾德沃传感技术有限公司 | Chip circuit and fingerprint collection system |
Also Published As
Publication number | Publication date |
---|---|
CN1278270C (en) | 2006-10-04 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: XINWEI TECHNOLOGY ( SHENZHEN ) CO., LTD. Free format text: FORMER OWNER: YE JUN Effective date: 20051125 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20051125 Address after: 518057 two software park, 8 middle tech Zone, Shizhong District, Shenzhen hi tech Zone, Guangdong, 401 Applicant after: Symwave Technology (Shenzhen) Co., Ltd. Address before: 518057 W412 room, west of Shenzhen Hong Kong Research and production base, Shenzhen hi tech Zone, Guangdong Applicant before: Ye Jun |
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C14 | Grant of patent or utility model | ||
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061004 Termination date: 20110422 |