FUNCTIONAL WATER CONCENTRATION SENSOR
PROBLEM TO BE SOLVED: To restrict detection errors due to organic substances.SOLUTION: A functional water concentration sensor 1 includes: a light source 10 emitting ultraviolet light 11; a fluorescent body 20 emitting fluorescent light 21, when excited by the ultraviolet light 11 emitted from the l...
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| creator | KIRIHARA MASAO ARAKAWA AKIRA NAGATANI YOSHITADA |
| description | PROBLEM TO BE SOLVED: To restrict detection errors due to organic substances.SOLUTION: A functional water concentration sensor 1 includes: a light source 10 emitting ultraviolet light 11; a fluorescent body 20 emitting fluorescent light 21, when excited by the ultraviolet light 11 emitted from the light source 10 and passed through a space in which functional water 90 exists; and a photodetector 30 receiving the fluorescent light 21. A peak wavelength of the ultraviolet light 11 emitted by the light source 10 exists in a prescribed range containing a unique light absorption peak in the functional water 90, and in an excitation spectrum of the fluorescent body 20, intensity in a wavelength band of 300 nm to 350 nm is an intensity equal to 50% or higher of intensity of an excitation peak.SELECTED DRAWING: Figure 1
【課題】有機物による検出誤差を抑制することができる。【解決手段】機能水濃度センサ１は、紫外光１１を発する光源１０と、光源１０から発せられ、機能水９０が存在する空間内を通過した紫外光１１によって励起されて蛍光２１を発する蛍光体２０と、蛍光２１を受光する受光素子３０とを備え、光源１０が発する紫外光１１のピーク波長は、機能水９０に固有の吸光ピークを含む所定の範囲内に存在し、蛍光体２０の励起スペクトルでは、３００ｎｍ以上３５０ｎｍ以下の波長帯域における強度が、励起ピークの強度の５０％以上の強度である。【選択図】図１ |
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【課題】有機物による検出誤差を抑制することができる。【解決手段】機能水濃度センサ１は、紫外光１１を発する光源１０と、光源１０から発せられ、機能水９０が存在する空間内を通過した紫外光１１によって励起されて蛍光２１を発する蛍光体２０と、蛍光２１を受光する受光素子３０とを備え、光源１０が発する紫外光１１のピーク波長は、機能水９０に固有の吸光ピークを含む所定の範囲内に存在し、蛍光体２０の励起スペクトルでは、３００ｎｍ以上３５０ｎｍ以下の波長帯域における強度が、励起ピークの強度の５０％以上の強度である。【選択図】図１</description><language>eng ; jpn</language><subject>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES ; MEASURING ; PHYSICS ; TESTING</subject><creationdate>2018</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180712&DB=EPODOC&CC=JP&NR=2018109582A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25568,76551</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180712&DB=EPODOC&CC=JP&NR=2018109582A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KIRIHARA MASAO</creatorcontrib><creatorcontrib>ARAKAWA AKIRA</creatorcontrib><creatorcontrib>NAGATANI YOSHITADA</creatorcontrib><title>FUNCTIONAL WATER CONCENTRATION SENSOR</title><description>PROBLEM TO BE SOLVED: To restrict detection errors due to organic substances.SOLUTION: A functional water concentration sensor 1 includes: a light source 10 emitting ultraviolet light 11; a fluorescent body 20 emitting fluorescent light 21, when excited by the ultraviolet light 11 emitted from the light source 10 and passed through a space in which functional water 90 exists; and a photodetector 30 receiving the fluorescent light 21. A peak wavelength of the ultraviolet light 11 emitted by the light source 10 exists in a prescribed range containing a unique light absorption peak in the functional water 90, and in an excitation spectrum of the fluorescent body 20, intensity in a wavelength band of 300 nm to 350 nm is an intensity equal to 50% or higher of intensity of an excitation peak.SELECTED DRAWING: Figure 1
【課題】有機物による検出誤差を抑制することができる。【解決手段】機能水濃度センサ１は、紫外光１１を発する光源１０と、光源１０から発せられ、機能水９０が存在する空間内を通過した紫外光１１によって励起されて蛍光２１を発する蛍光体２０と、蛍光２１を受光する受光素子３０とを備え、光源１０が発する紫外光１１のピーク波長は、機能水９０に固有の吸光ピークを含む所定の範囲内に存在し、蛍光体２０の励起スペクトルでは、３００ｎｍ以上３５０ｎｍ以下の波長帯域における強度が、励起ピークの強度の５０％以上の強度である。【選択図】図１</description><subject>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES</subject><subject>MEASURING</subject><subject>PHYSICS</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2018</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFB1C_VzDvH093P0UQh3DHENUnD293N29QsJcgSJKgS7-gX7B_EwsKYl5hSn8kJpbgYlN9cQZw_d1IL8-NTigsTk1LzUknivACMDQwtDA0tTCyNHY6IUAQAHICQP</recordid><startdate>20180712</startdate><enddate>20180712</enddate><creator>KIRIHARA MASAO</creator><creator>ARAKAWA AKIRA</creator><creator>NAGATANI YOSHITADA</creator><scope>EVB</scope></search><sort><creationdate>20180712</creationdate><title>FUNCTIONAL WATER CONCENTRATION SENSOR</title><author>KIRIHARA MASAO ; ARAKAWA AKIRA ; NAGATANI YOSHITADA</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2018109582A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; jpn</language><creationdate>2018</creationdate><topic>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES</topic><topic>MEASURING</topic><topic>PHYSICS</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>KIRIHARA MASAO</creatorcontrib><creatorcontrib>ARAKAWA AKIRA</creatorcontrib><creatorcontrib>NAGATANI YOSHITADA</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KIRIHARA MASAO</au><au>ARAKAWA AKIRA</au><au>NAGATANI YOSHITADA</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>FUNCTIONAL WATER CONCENTRATION SENSOR</title><date>2018-07-12</date><risdate>2018</risdate><abstract>PROBLEM TO BE SOLVED: To restrict detection errors due to organic substances.SOLUTION: A functional water concentration sensor 1 includes: a light source 10 emitting ultraviolet light 11; a fluorescent body 20 emitting fluorescent light 21, when excited by the ultraviolet light 11 emitted from the light source 10 and passed through a space in which functional water 90 exists; and a photodetector 30 receiving the fluorescent light 21. A peak wavelength of the ultraviolet light 11 emitted by the light source 10 exists in a prescribed range containing a unique light absorption peak in the functional water 90, and in an excitation spectrum of the fluorescent body 20, intensity in a wavelength band of 300 nm to 350 nm is an intensity equal to 50% or higher of intensity of an excitation peak.SELECTED DRAWING: Figure 1
【課題】有機物による検出誤差を抑制することができる。【解決手段】機能水濃度センサ１は、紫外光１１を発する光源１０と、光源１０から発せられ、機能水９０が存在する空間内を通過した紫外光１１によって励起されて蛍光２１を発する蛍光体２０と、蛍光２１を受光する受光素子３０とを備え、光源１０が発する紫外光１１のピーク波長は、機能水９０に固有の吸光ピークを含む所定の範囲内に存在し、蛍光体２０の励起スペクトルでは、３００ｎｍ以上３５０ｎｍ以下の波長帯域における強度が、励起ピークの強度の５０％以上の強度である。【選択図】図１</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING |
| title | FUNCTIONAL WATER CONCENTRATION SENSOR |
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