US9818905B2 - Integrated circuit and manufacturing method - Google Patents US9818905B2 - Integrated circuit and manufacturing method - Google Patents Integrated circuit and manufacturing method Info Publication number US9818905B2 US9818905B2 US14/883,503 US03A US9818905B2 US 9818905 B2 US9818905 B2 US 9818905B2 US 03 A US03 A US 03A US 9818905 B2 US9818905 B2 US 9818905B2 Authority US United States Prior art keywords layer sensor gas further forming Prior art date 2013-01-07 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Active, expires 2034-01-26 Application number US14/883,503 Other versions Inventor Aurelie Humbert Roel Daamen Youri Victorovitch Ponomarev Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) NXP BV Original Assignee NXP BV Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) 2013-01-07 Filing date 2015-10-14 Publication date 2017--01-07 Priority to EP13150418.5A priority Critical patent/EP2752660B1/en 2013-01-07 Priority to EP13150418 priority 2013-01-07 Priority to EP13150418.5 priority 2014-01-03 Priority to US14/147,214 priority patent/US9188540B2/en 2015-10-14 Application filed by NXP BV filed Critical NXP BV 2015-10-14 Priority to US14/883,503 priority patent/US9818905B2/en 2015-10-21 Assigned to NXP B.V. Reassignment NXP B.V. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Kogile kannada serial cast and actresses.
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Disclosed is an integrated circuit comprising a substrate ( 10); and an optical CO 2 sensor comprising: first and second light sensors ( 12, 12′) on said substrate, said second light sensor being spatially separated from the first light sensor; and a layer portion ( 14) including an organic compound comprising at least one amine or amidine functional group over the first light sensor; wherein said integrated circuit further comprises a signal processor ( 16) coupled to the first and second light sensor for determining a difference in the respective outputs of the first and second light sensor. An electronic device comprising such a sensor and a method of manufacturing such an IC are also disclosed. FIELD OF THE INVENTION The present invention relates to an integrated circuit (IC) comprising a CO 2 sensor. The present invention further relates to a method of manufacturing such an IC. BACKGROUND OF THE INVENTION Nowadays, integrated circuits (ICs) may comprise a plethora of sensors, such as gas sensors, relative humidity (RH) sensors, specific analyte detection sensors, and so on.
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