KR100543371B1 - 압력센서 - Google Patents
압력센서 Download PDFInfo
- Publication number
- KR100543371B1 KR100543371B1 KR1020040028819A KR20040028819A KR100543371B1 KR 100543371 B1 KR100543371 B1 KR 100543371B1 KR 1020040028819 A KR1020040028819 A KR 1020040028819A KR 20040028819 A KR20040028819 A KR 20040028819A KR 100543371 B1 KR100543371 B1 KR 100543371B1
- Authority
- KR
- South Korea
- Prior art keywords
- diaphragm
- resistors
- base
- pressure sensor
- electrodes
- Prior art date
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims abstract description 7
- 239000011810 insulating material Substances 0.000 claims abstract description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 10
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 10
- 229910001887 tin oxide Inorganic materials 0.000 claims description 10
- 239000010935 stainless steel Substances 0.000 claims description 7
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 6
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 6
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 6
- 239000010936 titanium Substances 0.000 claims description 6
- 229910044991 metal oxide Inorganic materials 0.000 claims description 5
- 150000004706 metal oxides Chemical class 0.000 claims description 5
- 229910000679 solder Inorganic materials 0.000 claims description 5
- 238000005219 brazing Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 229910017693 AgCuTi Inorganic materials 0.000 claims description 3
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- 229910003336 CuNi Inorganic materials 0.000 claims description 3
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 claims description 3
- 229910001120 nichrome Inorganic materials 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims description 2
- 229910001256 stainless steel alloy Inorganic materials 0.000 claims description 2
- 239000010408 film Substances 0.000 description 14
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 229910052814 silicon oxide Inorganic materials 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 150000002843 nonmetals Chemical class 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003938 response to stress Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/647—Aspects related to microwave heating combined with other heating techniques
- H05B6/6482—Aspects related to microwave heating combined with other heating techniques combined with radiant heating, e.g. infrared heating
- H05B6/6485—Aspects related to microwave heating combined with other heating techniques combined with radiant heating, e.g. infrared heating further combined with convection heating
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Measuring Fluid Pressure (AREA)
- Pressure Sensors (AREA)
Abstract
Description
Claims (7)
- 링(ring) 형상의 베이스와,상기 베이스의 압력이 인가되는 타측과 대응하는 일측에 원형의 가장자리 부분을 중첩되게 용접하여 형성되는 접합부에 의해 접합되는 높은 경도와 큰 탄성력을 갖는 절연물질로 이루어진 다이아프램과,상기 다이아프램 상의 상기 베이스와 인접하는 부분 또는 중심 부분에 각각 폭과 길이를 가지되 상기 길이가 동일한 방향을 갖도록 형성된 다 수개의 저항체와,상기 다이아프램 상에 상기 다 수개의 저항체의 양 끝단과 서로 연결되게 형성된 다 수개의 보정저항체와,상기 다이아프램 상의 상기 베이스와 대응하는 주변 부분에 상기 다 수개의 저항체와 휘스톤 브릿지 구성을 이루도록 형성된 다 수개의 전극과,상기 다이아프램 상에 상기 다 수개의 저항체를 덮으며 상기 다 수개의 전극을 개구에 의해 노출시키도록 형성된 보호막을 구비하는 압력 센서.
- 청구항 1에 있어서 상기 베이스가 티타늄(Ti), 티타늄 합금, 스테인레스강 또는 스프링용 동합금으로 형성된 압력 센서.
- 청구항 1에 있어서 상기 다이아프램이 Al2O3로 형성된 압력 센서.
- 청구항 1에 있어서 상기 접합부는 AgCuTi 또는 AgCuInTi이 주성분인 땜납(brazing solder)으로 형성되는 압력 센서.
- 삭제
- 청구항 1에 있어서 상기 다 수개의 보정저항체가 불순물이 도핑된 단결정 또는 다결정실리콘, 또는, ITO(Induim Tin Oxide) 또는 TO(Tin Oxide)의 금속산화물로 형성된 압력 센서.
- 청구항 1에 있어서 상기 다수 개의 저항체가 CuNi합금, NiCr 합금 또는 NiCrFeCu 합금으로 형성된 상기 다 수개의 보정저항체를 더 구비하는 압력 센서.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040028819A KR100543371B1 (ko) | 2004-04-26 | 2004-04-26 | 압력센서 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040028819A KR100543371B1 (ko) | 2004-04-26 | 2004-04-26 | 압력센서 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR20-2004-0011748U Division KR200355940Y1 (ko) | 2004-04-27 | 2004-04-27 | 압력센서 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050103601A KR20050103601A (ko) | 2005-11-01 |
KR100543371B1 true KR100543371B1 (ko) | 2006-01-20 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040028819A KR100543371B1 (ko) | 2004-04-26 | 2004-04-26 | 압력센서 |
Country Status (1)
Country | Link |
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KR (1) | KR100543371B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9557237B2 (en) * | 2013-11-18 | 2017-01-31 | Sensata Technologies, Inc. | MEMS pressure sensor field shield layout for surface charge immunity in oil filled packaging |
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2004
- 2004-04-26 KR KR1020040028819A patent/KR100543371B1/ko active IP Right Grant
Also Published As
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KR20050103601A (ko) | 2005-11-01 |
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