WO2002084235A1 - Capteur infrarouge - Google Patents
Capteur infrarouge Download PDFInfo
- Publication number
- WO2002084235A1 WO2002084235A1 PCT/JP2001/003077 JP0103077W WO02084235A1 WO 2002084235 A1 WO2002084235 A1 WO 2002084235A1 JP 0103077 W JP0103077 W JP 0103077W WO 02084235 A1 WO02084235 A1 WO 02084235A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hollow portion
- infrared sensor
- film
- wiring layer
- polysilicon
- Prior art date
Links
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 61
- 229920005591 polysilicon Polymers 0.000 claims abstract description 61
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 37
- 239000000758 substrate Substances 0.000 claims abstract description 32
- 229910052710 silicon Inorganic materials 0.000 claims description 21
- 239000010703 silicon Substances 0.000 claims description 21
- 238000005530 etching Methods 0.000 claims description 13
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 239000011810 insulating material Substances 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052681 coesite Inorganic materials 0.000 abstract description 2
- 229910052906 cristobalite Inorganic materials 0.000 abstract description 2
- 229910052682 stishovite Inorganic materials 0.000 abstract description 2
- 229910052905 tridymite Inorganic materials 0.000 abstract description 2
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 42
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 20
- 230000035945 sensitivity Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000002161 passivation Methods 0.000 description 7
- 238000000605 extraction Methods 0.000 description 6
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 230000005678 Seebeck effect Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- -1 acryl Chemical group 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000005380 borophosphosilicate glass Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/08—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof in which radiation controls flow of current through the device, e.g. photoresistors
- H01L31/10—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof in which radiation controls flow of current through the device, e.g. photoresistors characterised by potential barriers, e.g. phototransistors
- H01L31/101—Devices sensitive to infrared, visible or ultraviolet radiation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
- G01J5/12—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using thermoelectric elements, e.g. thermocouples
Definitions
- the present invention relates to an infrared sensor, and more particularly to a thermopile type red ⁇ 1 sensor.
- FIG. 7 shows a thermopile pattern of the infrared sensor, in which a thermocouple is formed by adjacent polysilicon 4 and aluminum 6.
- the infrared sensor shown in FIG. 8 is disclosed in Japanese Patent Publication No. 2663636, and a thermocouple composed of a p-type semiconductor 106 and an n-type semiconductor 111 is a cantilever 1 This is an example formed on the surface of the third embodiment.
- thermocouples cannot be arranged at high density. is there.
- thermocouples since a thermocouple is formed on the cantilever 103, there is a problem when the mechanical strength of the cantilever 103 becomes weak.
- the heat absorbing film 1 0 5 and thermocouple because been formed separately, the heat absorbing film 1 0 5 in the resulting heat is effectively thermocouple problem force s mel such not transmitted.
- Japanese Patent Publication No. 2666636/12 discloses an infrared sensor having a thermocouple composed of an aluminum wiring and a p-type diffusion layer resistor as a conventional example.
- a thermocouple composed of an aluminum wiring and a p-type diffusion layer resistor as a conventional example.
- the Beck effect is small and the thermal resistance is reduced, leading to a reduction in sensitivity.
- the bimetal effect causes the cantilever to be deflected, leading to a reduction in sensitivity. Disclosure of the invention
- thermopile comprising a polysilicon film and an aluminum film is suitable for practical use and sufficiently excellent.
- an infrared sensor uses a thermopile made of a polysilicon film and an aluminum film, and can arrange thermocouples at a high density, and can efficiently transmit heat generated in the heat absorbing layer to the thermocouples, and have a mechanical strength. It is an object of the present invention to provide an infrared sensor that has a high strength.
- an infrared sensor according to the present invention includes a support member including a support film made of an insulating material and a substrate having a hollow portion and supporting the sabot film.
- An aluminum wiring layer connected to a corresponding polysilicon wiring layer is laminated via an insulating film above the corresponding polysilicon wiring layer above the hollow portion.
- thermocouple since the polysilicon wiring layer and the aluminum wiring layer are stacked to form a thermocouple, the arrangement area of the thermocouple is narrow, and the arrangement density can be increased. Further, since the laminated structure of the polysilicon wiring layer and the aluminum wiring layer is formed from the upper portion of the hollow portion to the upper portion of the substrate, the mechanical strength of the thin hollow portion can be improved. Further, since the infrared absorbing layer is formed so as to cover the first contact hole formed in the thermocouple, heat generated in the infrared absorbing layer can be efficiently transmitted to the thermocouple.
- the substrate is made of silicon, and the hollow portion is etched. It may be characterized by being formed by ringing. Since the hollow portion is formed by etching, the shape of the hollow portion can be precisely realized.
- the infrared sensor of the present invention may be characterized in that the aluminum wiring layer is formed thinner than the polysilicon wiring layer at least above the hollow portion. Since the aluminum wiring layer with good thermal conductivity is formed thin, it is difficult for heat to escape. In addition, the reflection of infrared rays by the aluminum wiring layer above the hollow portion where the infrared absorbing layer is formed can be reduced.
- 1A and 1B are a cross-sectional view and a diagram showing a thermopile pattern of the infrared sensor according to the first embodiment, respectively.
- FIG. 2 is a diagram showing a thermopile pattern of the infrared sensor according to the second embodiment.
- FIGS. 3A and 3B are a cross-sectional view of an infrared sensor and a diagram showing a thermopile pile unit according to the third embodiment, respectively.
- 4A and 4B are a cross-sectional view of the infrared sensor according to the fourth embodiment and a diagram showing a thermopile pile unit.
- FIG. 5 is a diagram showing a thermopile pattern of the infrared sensor according to the fifth embodiment.
- FIG. 6 is a diagram showing a thermopile pattern of the infrared sensor according to the sixth embodiment.
- FIG. 7 is a diagram showing a thermopile pattern of a conventional infrared sensor.
- thermopile pattern 8A and 8B are a sectional view and a thermopile pattern of a conventional infrared sensor, respectively.
- FIG. 1A and 1B show a cross-sectional view and a thermopile pattern of the infrared sensor according to the first embodiment.
- FIG. 1A is a cross-sectional view taken along the line AA ′ in FIG. 1B.
- a support member having a diaphragm structure has a silicon substrate 1 having a hollow portion 2 and a support film 3 supporting the silicon substrate 1. ing. On the support film 3, have in n-type polysilicon film 4 1 0 18 ⁇ 1 0 20 cm 3 doped with p-type impurities, the aluminum film through the S i 0 2 film 5 as the absolute Enmaku 6 are stacked.
- the polysilicon film 4 and the aluminum film 6 are connected to each other through the opening of the Si ⁇ 2 film 5 to form a thermocouple.
- the support film 3 and the exposed surface of the thermocouple are covered with a passivation film 7 made of SiN, and a heat absorbing film 8 is formed on the passivation film 7 above the hollow portion 2. .
- the passivation film 7 may be an insulating film such as Si02 or a polyimide film.
- the heat absorbing film 8 is made of a blackening resin.
- the blackening resin is a resin mixed with a black filler such as a carbon filler (epoxy-based, silicone-based, acryl-based, urethane-based, polyimide-based). Or a black resist.
- the long laminated structure of the polysilicon film 4 and the aluminum film 6 extends from the upper portion of the silicon substrate 1 to the upper portion of the hollow portion 2 and is perpendicular to the four sides of the rectangular (square or rectangular) hollow portion 2. It is formed so as to extend from four directions toward the center of the hollow part 2.
- the polysilicon film 4 and the aluminum film 6 are stacked on the hollow portion 2, and the width of the aluminum film 6 is formed smaller than the width of the polysilicon film 4.
- the laminated polysilicon film 4 and aluminum film 6 are connected to each other at the opening of the SiO 2 film 5 in the region where the heat absorbing film 8 is formed, and the hot junction 11 is formed.
- the adjacent polysilicon film 4 and the aluminum film 6 are connected to each other at the opening of the SiO 2 film 5 on the silicon substrate 1, and the cold junction 12 is formed.
- These thermocouples are connected in series, and the electromotive force generated by the Seebeck effect is extracted by the extraction electrode 10.
- the diffusion film 7 is open.
- the method of forming the hollow portion is as follows. After forming the support film 3, thermopile pattern, passivation film 7, and heat absorbing film 8 on the surface of the silicon substrate 1 where no hollow portion is formed, the support film 3 of the silicon substrate 1 is formed. A mask 9 made of SiN or the like, which is resistant to a silicon etching solution, is formed on the surface (rear surface) opposite to the surface on which it is formed. Then, the mask 9 in the region where the hollow portion 2 is to be formed is opened, and etching is performed while protecting the surface of the silicon substrate 1. As a result, etching starts from the opening of the mask 9 on the back surface, and stops when reaching the support film 3 that is resistant to the etchant.
- Anisotropic etching can be performed by using, for example, a potassium hydroxide solution as the etching solution and using the (100) plane for the silicon substrate 1, and the hollow portion 2 shown in FIG. A diaphragm structure having the same can be formed.
- the support film 9, S i N monolayer, S i 0 2 monolayers, there have may consist of multi-layered film containing either S i N, S I_ ⁇ 2, PSG, a BPSG, layer The thickness is 0.5-5 ⁇ .
- thermocouples can be arranged with high density.
- S i 0 2 film 5 mono mode pile pattern formed by laminating a polysilicon film 4 and aluminum film 6 via is improved mechanical support strength by having a three-layer structure, which Is formed in a mesa shape from the upper portion of the hollow portion 2 to the upper portion of the silicon substrate 1, so that the mechanical strength of the hollow portion 2 can be increased.
- the single mass heat absorbing film 8 made of a material having an adhesive force on the upper portion of the hollow portion 2 fixes the support film 3 and the thermopile pattern together, the hollow portion 2 becomes thinner. The mechanical strength of the region where the light is present can be further improved. Further, since the heat absorbing film 8 is formed so as to cover all the hot junctions 11 of the thermopile pattern, the heat absorption due to the absorption of infrared rays B Can tell one. In addition, the aluminum film 6 has a high thermal conductivity, so that the heat obtained at the hot junction may be transmitted to the silicon substrate 1 and missed, which may cause a decrease in the sensitivity of the infrared sensor.
- the Si 02 film 5 has not only an electrical insulation between the polysilicon film S 4 and the aluminum film 6 but also a heat insulation function for preventing the heat of the polysilicon film 4 from being transmitted to the aluminum film 6. I have.
- infrared rays incident on the heat absorbing film 8 may be reflected by the aluminum film 6 formed below the heat absorbing film 8 to cause a decrease in sensitivity of the infrared sensor. Due to the thin shape, reflection can be minimized, and the reflected infrared rays are further absorbed by the heat absorbing film 8, so that the sensitivity of the infrared sensor does not decrease.
- the shape of the hollow portion 2 is not limited to a rectangle, but may be a circle or the like, and the shape of the hollow portion can be formed according to the shape.
- FIG. 2 shows a thermopile pattern of the infrared sensor according to the second embodiment.
- the width of the polysilicon film 4 of the infrared sensor of the first embodiment shown in FIG. 1B is increased, and the tip of the polysilicon film 4 above the hollow portion 2 is speared. It is a type.
- thermoelectric material When a semiconductor material such as polysilicon is used as the thermoelectric material, its specific resistance is high. Therefore, there is a problem that the resistance of the thermopile increases and the noise increases accordingly.
- the infrared sensor according to the second embodiment since the polysilicon film 4 and the aluminum film 6 are formed by lamination, the same or higher thermoelectric power as compared with the conventional example shown in FIG. As for the logarithm, the width of the polysilicon film 4 can be increased, so that the resistance of the thermocouple can be reduced, thereby suppressing the thermal noise and improving the SZN ratio.
- the tip of the polysilicon film 4 above the hollow portion 2 is shaped like a spear and the tip of the polysilicon film 4 is cut into the center of the hollow portion 2 so that the hot junction 1 1 is positioned at the center of the hollow portion 2. It is possible to make it. This increases the temperature rise at the hot junction and improves the sensitivity. Further, this shape increases the area of the polysilicon film 4 above the hollow portion 2 and further improves the mechanical strength of the thinned region of the hollow portion 2.
- the infrared sensor of the second embodiment is such that the width of the polysilicon film 4 of the infrared sensor of the first embodiment is widened, and the tip of the polysilicon film 4 above the hollow portion 2 has a spear shape. Since the configurations of the thermocouple and the like are the same, the same effects as those of the first embodiment can be obtained as the infrared sensor. In addition, the shape of the polysilicon film 4 above the hollow portion 2 in the second embodiment in which the tip of the polysilicon film 4 has a spear shape is not limited to the present embodiment, but the same effect can be obtained by applying to other embodiments. .
- FIG. 3A and 3B show a cross-sectional view and a thermopile pattern of the infrared sensor according to the third embodiment.
- the infrared sensor of the third embodiment is obtained by changing the shape of the hollow portion 2 of the infrared sensor of the first embodiment shown in FIG. 1A. More specifically, as shown in FIG. 3A which is a cross-sectional view taken along the line BB ′ of FIG. 3B, the back side of the hollow portion 2 is opened in the first embodiment, whereas the back side is opened in the third embodiment. Is blocked by the silicon substrate 1 and etched at four locations on the surface of the passivation film 7. The structure has a hole 13, and a hollow portion 2 is formed below the support film 3.
- a method of forming the hollow portion 2 in the infrared sensor according to the third embodiment will be described.
- a polysilicon sacrificial layer (not shown) having the same size as the hollow portion 2 is formed on the side of the sabot film 3 of the silicon substrate 1. I do.
- the support film 3 the thermopile pattern, and the passivation film 7, the support film 3 and the passivation film 7 are opened as shown in FIG. 3B, and the etching hole 13 is formed.
- a mask 9 is formed on the back surface of the silicon substrate 1, but the mask 9 is not opened unlike the first embodiment.
- etching is performed using the (100) plane on the silicon substrate 1.
- the etchant penetrates the polysilicon sacrificial layer from the etching hole 13 and etches the entire polysilicon sacrificial layer.
- a diaphragm structure having the hollow portion 2 shown in FIG. 3A can be formed.
- the etching is performed at a depth of 2 to about L Opm.
- the infrared sensor of the third embodiment has the same thermopile pattern except that the shape of the hollow portion 2 of the infrared sensor of the first embodiment is different, so that the infrared sensor has the same effect as that of the first embodiment. can get.
- the infrared sensor of the third embodiment has a structure in which the back side is closed by the silicon substrate 1, so that it is easy to die-bond to a support member such as a lead frame, and mechanical strength is reduced. It has the effect of increasing.
- the third embodiment is not limited to this.
- the shape of the hollow portion 2 is not limited to a rectangle, but may be a circle or the like, and a thermopile pattern can be formed according to the shape.
- the shape and location of the etching hole are not limited to those shown in FIG. 3, and can be changed by a thermopile pattern.
- only the polysilicon sacrificial layer may be etched to form a diaphragm structure. In this case, polysilicon sacrifice The thickness of the sacrificial layer is from 0.3 ⁇ to 1.5 ⁇ .
- FIGS. 4A and 4B show a cross-sectional view and a thermopile pattern of the infrared sensor according to the fourth embodiment.
- the infrared sensor of the fourth embodiment is obtained by changing the thermopile pattern of the infrared sensor of the first embodiment shown in FIG. 1B.
- the thermocouples are formed perpendicularly to the four sides of the rectangular hollow portion 2; however, in the infrared sensor of the fourth embodiment, as shown in FIG. Are formed so as to extend to the center of the hollow portion 2 from two perpendicular directions only on two opposite sides of the hollow portion 2.
- the distance of the opposite thermopile pattern extending from the two directions to the center of the hollow portion 2 is from 2 ⁇ to 4 ⁇ , and by shortening the distance as much as possible, the temperature rise at the hot junction improves and the sensitivity improves. be able to.
- the infrared sensor of the fourth embodiment has the same configuration as a thermocouple, etc., except for the thermopile pattern of the infrared sensor of the first embodiment. Therefore, the infrared sensor has the same effect as that of the first embodiment. can get.
- the infrared sensors of the first to third embodiments are particularly suitable for applications in which the infrared irradiation spots are concentric, but in the fourth embodiment, the infrared irradiation spots are linear or Suitable for applications where a long shape is required.
- the fourth embodiment is not limited to this, and the shape and forming method of the hollow portion 2 may be the same as in the third embodiment.
- FIG. 5 shows a thermopile pattern of the infrared sensor according to the fifth embodiment.
- the infrared sensor of the third embodiment shown in FIG. 3 is configured as one unit 20 and arranged in a one-dimensional array on the same silicon substrate 1.
- one of the extraction electrodes 10 shown in FIG. 3 is connected as a common electrode of each unit, and the common extraction electrode 15 is provided.
- the infrared sensor of the fifth embodiment it is possible to measure the difference in the irradiation amount of infrared rays depending on the position from the output of each unit. Further, since the structure of the infrared sensor of one unit is the same as that of the third embodiment, the same effect as that of the third embodiment can be obtained. can get.
- one unit is arranged in a one-dimensional array, but may be arranged in a two-dimensional array. This makes it possible to measure the difference in the amount of infrared irradiation depending on the two-dimensional position.
- FIG. 6 shows a thermopile pile of the infrared sensor according to the sixth embodiment.
- the infrared sensor of the fourth embodiment shown in FIG. 4B is made up of one unit 30 and arranged in a one-dimensional array on the same silicon substrate 1.
- one of the extraction electrodes 10 shown in FIG. 4B is connected as a common electrode of each unit, and a common extraction electrode 15 is provided.
- the infrared sensor of the sixth embodiment it is possible to measure the difference in the irradiation amount of infrared rays depending on the position from the output of each unit. Further, since the structure of one unit of infrared ray sensor is the same as that of the fourth embodiment, the same effect as that of the fourth embodiment can be obtained.
- the sixth embodiment is not limited to this.
- one unit is arranged in a one-dimensional array, but may be arranged in a two-dimensional array. This makes it possible to measure the difference in the amount of infrared irradiation depending on the two-dimensional position.
- the infrared sensor since the polysilicon wiring layer and the aluminum wiring layer are laminated to form a thermocouple, the area where the thermocouple is arranged is narrow, and the arrangement density is reduced. Can be higher. Further, since the laminated structure of the polysilicon wiring layer and the aluminum wiring layer is formed from the upper portion of the hollow portion to the upper portion of the substrate, the mechanical strength of the thin hollow portion can be improved. In addition, since a plurality of laminated structures of a polysilicon wiring layer and an aluminum wiring layer with an insulating film interposed therebetween are formed, and a plurality of the laminated structures function as a support structure integrated with the infrared absorption layer, a thin hollow structure is formed. The mechanical strength of the part can be further improved. Also, Since the infrared absorption layer is formed so as to cover the first contact hole formed in the thermocouple, heat generated in the infrared absorption layer can be efficiently transmitted to the thermocouple.
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- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Radiation Pyrometers (AREA)
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000009420A JP4009046B2 (ja) | 2001-04-10 | 2000-01-18 | 赤外線センサ |
TW090108589A TWI248513B (en) | 2001-04-10 | 2001-04-09 | Infrared sensor |
DE60139958T DE60139958D1 (de) | 2001-04-10 | 2001-04-10 | Infrarotsensor |
EP01919861A EP1378733B1 (en) | 2001-04-10 | 2001-04-10 | Infrared sensor |
KR1020037010054A KR100794067B1 (ko) | 2001-04-10 | 2001-04-10 | 적외선 센서 |
CNB200510117316XA CN100462697C (zh) | 2001-04-10 | 2001-04-10 | 红外线传感器 |
CNB018221939A CN1236292C (zh) | 2001-04-10 | 2001-04-10 | 红外线传感器 |
PCT/JP2001/003077 WO2002084235A1 (fr) | 2001-04-10 | 2001-04-10 | Capteur infrarouge |
US10/442,109 US7282712B2 (en) | 2001-04-10 | 2003-05-21 | Infrared sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2001/003077 WO2002084235A1 (fr) | 2001-04-10 | 2001-04-10 | Capteur infrarouge |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/442,109 Continuation-In-Part US7282712B2 (en) | 2001-04-10 | 2003-05-21 | Infrared sensor |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002084235A1 true WO2002084235A1 (fr) | 2002-10-24 |
Family
ID=29727309
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2001/003077 WO2002084235A1 (fr) | 2001-04-10 | 2001-04-10 | Capteur infrarouge |
Country Status (8)
Country | Link |
---|---|
US (1) | US7282712B2 (ja) |
EP (1) | EP1378733B1 (ja) |
JP (1) | JP4009046B2 (ja) |
KR (1) | KR100794067B1 (ja) |
CN (2) | CN1236292C (ja) |
DE (1) | DE60139958D1 (ja) |
TW (1) | TWI248513B (ja) |
WO (1) | WO2002084235A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7635605B2 (en) | 2004-02-26 | 2009-12-22 | Hamamatsu Photonics K.K. | Infrared sensor and method of producing the same |
Families Citing this family (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4009046B2 (ja) * | 2001-04-10 | 2007-11-14 | 浜松ホトニクス株式会社 | 赤外線センサ |
DE10144343A1 (de) * | 2001-09-10 | 2003-03-27 | Perkinelmer Optoelectronics | Sensor zum berührugslosen Messen einer Temperatur |
DE10144873A1 (de) * | 2001-09-12 | 2003-03-27 | Bosch Gmbh Robert | Mikromechanischer Wärmeleitfähigkeitssensor mit poröser Abdeckung |
JP4496751B2 (ja) * | 2003-10-09 | 2010-07-07 | 日本電気株式会社 | 熱型赤外線固体撮像素子及びその製造方法 |
JP2005283435A (ja) * | 2004-03-30 | 2005-10-13 | Japan Aviation Electronics Industry Ltd | 赤外線センサ |
DE102004028032B4 (de) * | 2004-06-09 | 2008-04-17 | Perkinelmer Optoelectronics Gmbh & Co.Kg | Sensorelement |
DE102004030418A1 (de) * | 2004-06-24 | 2006-01-19 | Robert Bosch Gmbh | Mikrostrukturierter Infrarot-Sensor und ein Verfahren zu seiner Herstellung |
JP2006071601A (ja) * | 2004-09-06 | 2006-03-16 | Denso Corp | 赤外線センサ、赤外線式ガス検出器、及び赤外線光源 |
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- 2001-04-10 DE DE60139958T patent/DE60139958D1/de not_active Expired - Lifetime
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- 2001-04-10 EP EP01919861A patent/EP1378733B1/en not_active Expired - Lifetime
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KR100794067B1 (ko) | 2008-01-10 |
EP1378733A1 (en) | 2004-01-07 |
TWI248513B (en) | 2006-02-01 |
CN1236292C (zh) | 2006-01-11 |
CN100462697C (zh) | 2009-02-18 |
US20030205670A1 (en) | 2003-11-06 |
DE60139958D1 (de) | 2009-10-29 |
US7282712B2 (en) | 2007-10-16 |
CN1488070A (zh) | 2004-04-07 |
KR20030091979A (ko) | 2003-12-03 |
JP4009046B2 (ja) | 2007-11-14 |
CN1758035A (zh) | 2006-04-12 |
EP1378733A4 (en) | 2007-03-21 |
JP2001201397A (ja) | 2001-07-27 |
EP1378733B1 (en) | 2009-09-16 |
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