KR950009807B1 - 에미터 인젝션모듈레이션효과를 이용한 자기센서소자 - Google Patents
에미터 인젝션모듈레이션효과를 이용한 자기센서소자 Download PDFInfo
- Publication number
- KR950009807B1 KR950009807B1 KR1019910022105A KR910022105A KR950009807B1 KR 950009807 B1 KR950009807 B1 KR 950009807B1 KR 1019910022105 A KR1019910022105 A KR 1019910022105A KR 910022105 A KR910022105 A KR 910022105A KR 950009807 B1 KR950009807 B1 KR 950009807B1
- Authority
- KR
- South Korea
- Prior art keywords
- emitter
- magnetic field
- collector
- base
- electrodes
- Prior art date
Links
- 230000005291 magnetic effect Effects 0.000 title claims description 55
- 238000002347 injection Methods 0.000 title description 27
- 239000007924 injection Substances 0.000 title description 27
- 230000000694 effects Effects 0.000 title description 4
- 239000004065 semiconductor Substances 0.000 claims description 17
- 239000000758 substrate Substances 0.000 claims description 11
- 230000005355 Hall effect Effects 0.000 claims description 4
- 230000035945 sensitivity Effects 0.000 description 28
- 230000005684 electric field Effects 0.000 description 13
- 230000008859 change Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 238000005036 potential barrier Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000005352 galvanomagnetic phenomena Effects 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D48/00—Individual devices not covered by groups H10D1/00 - H10D44/00
- H10D48/40—Devices controlled by magnetic fields
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
- G01R33/09—Magnetoresistive devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N50/00—Galvanomagnetic devices
- H10N50/10—Magnetoresistive devices
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Hall/Mr Elements (AREA)
- Measuring Magnetic Variables (AREA)
Abstract
Description
Claims (3)
- 인가되는 자장에 응답하는 반도체자계 센서소자에 있어서 : 제1도전형의 기판상에 형성되고, 상기 기판에 대해 수평방향으로 제1바이어스 전압을 제공받는 제1, 2양단전극들을 구비한 제2도전형의 에미터 영역과 : 상기 에미터 영역의 상기 제1, 2양단전극들에 각기 대칭적으로 배열돤 제1, 2, 3 및 4베이스 전극들을 구비하며, 상기 베이스 전극들의 쌍전극들을 통해 상기 제1바이어스 전압과는 다른 제2바이어스전압을 제공받는 상기 기판으로서의 베이스영역과 : 상기 베이스 전극들의 상기 쌍전극들사이에 위치되고, 상기 에미터 영역에 각기 대칭적으로 배치된 컬렉터 전극들을 구비하며, 상기 기판에 대해 수직방향으로 자장이 인가될시 상기 컬렉터 전극들을 통해 홀효과에 기인되는 전류를 생성하는 제2도전형의 컬렉터 영역을 가짐에 의해, 상기 에미터 영역에서 상기 자장의 크기에 응답하는 전압이 형성되게 한 것을 특징으로 하는 반도체자계센서소자.
- 제1항에 있어서, 상기 제2바이어스 전압은 상기 제1바이어스 전압보다 높은 전압레벨임을 특징으로하는 반도체자계센서소자.
- 제2항에 있어서, 상기 컬렉터 영역의 폭이 사다리꼴 형태로 이루어진 것을 특징으로 하는 반도체자계센서소자.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019910022105A KR950009807B1 (ko) | 1991-12-04 | 1991-12-04 | 에미터 인젝션모듈레이션효과를 이용한 자기센서소자 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019910022105A KR950009807B1 (ko) | 1991-12-04 | 1991-12-04 | 에미터 인젝션모듈레이션효과를 이용한 자기센서소자 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR930015158A KR930015158A (ko) | 1993-07-23 |
KR950009807B1 true KR950009807B1 (ko) | 1995-08-28 |
Family
ID=19324118
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019910022105A KR950009807B1 (ko) | 1991-12-04 | 1991-12-04 | 에미터 인젝션모듈레이션효과를 이용한 자기센서소자 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR950009807B1 (ko) |
-
1991
- 1991-12-04 KR KR1019910022105A patent/KR950009807B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR930015158A (ko) | 1993-07-23 |
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