RO99815B1 - Senzor de umiditate si temperatura si procedeu de realizare - Google Patents

Senzor de umiditate si temperatura si procedeu de realizare

Info

Publication number
RO99815B1
RO99815B1 RO129982A RO12998287A RO99815B1 RO 99815 B1 RO99815 B1 RO 99815B1 RO 129982 A RO129982 A RO 129982A RO 12998287 A RO12998287 A RO 12998287A RO 99815 B1 RO99815 B1 RO 99815B1
Authority
RO
Romania
Prior art keywords
humidity
temperature
sensor
electrodes
layer
Prior art date
Application number
RO129982A
Other languages
English (en)
Inventor
Ovidiu Florin Caltun
Anca Mihaela Tesu
Original Assignee
Institutul De Cercetare Stiintifica Si Inginerie Tehnologica Pentru Electrotehnica
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.)
Filing date
Publication date
Application filed by Institutul De Cercetare Stiintifica Si Inginerie Tehnologica Pentru Electrotehnica filed Critical Institutul De Cercetare Stiintifica Si Inginerie Tehnologica Pentru Electrotehnica
Priority to RO129982A priority Critical patent/RO99815B1/ro
Publication of RO99815B1 publication Critical patent/RO99815B1/ro

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  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)

Abstract

Inventia se refera la un senzor de umiditate si temperatura si la un procedeu de realizare a unui astfel de senzor. Senzorul, conform inventiei, este constituit dintr-un suport izolator, pe care sunt dispusi doi elelctrozi conductori cu coeficient cunsocut de variatie a rezistentei electrice cu temperatura, constituind o termorezistenta între care este depus stratul ce îsi modifica rezistenta cu umiditatea relativa, unul sau ambii electrozi constituind elementul sensibil la temperatura. Procedeul de realizare a senzorului prevede depunerea prin pulverizare catodica a unui strat conducator, de exemplu nichel, pe un suport ceramic, dupa care, prin fotoracordare, corodare cu fasciculul de electroni sau prin electroeroziune, este creata o retea de doi electrozi, fiecare în parte având o rezistenta initiala si un coeficient de variatie a rezistentei electrice cu temperatura, cunsocut, iar în final, depunerea, tot prin pulverizare catodica, deasupra retelei de electrozi a unui strat de oxid (de exemplu, fier) sensibil la umiditate.
RO129982A 1987-10-06 1987-10-06 Senzor de umiditate si temperatura si procedeu de realizare RO99815B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO129982A RO99815B1 (ro) 1987-10-06 1987-10-06 Senzor de umiditate si temperatura si procedeu de realizare

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO129982A RO99815B1 (ro) 1987-10-06 1987-10-06 Senzor de umiditate si temperatura si procedeu de realizare

Publications (1)

Publication Number Publication Date
RO99815B1 true RO99815B1 (ro) 1990-09-28

Family

ID=40907872

Family Applications (1)

Application Number Title Priority Date Filing Date
RO129982A RO99815B1 (ro) 1987-10-06 1987-10-06 Senzor de umiditate si temperatura si procedeu de realizare

Country Status (1)

Country Link
RO (1) RO99815B1 (ro)

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