A rugged sensor and method for manufacturing such, for use in hostile environments, the sensor exhibiting high mechanical strength to protect the sensor from physical damage. The sensor system also including a modular component that may variously be connected to the sensor to extension thereof, the
A rugged sensor and method for manufacturing such, for use in hostile environments, the sensor exhibiting high mechanical strength to protect the sensor from physical damage. The sensor system also including a modular component that may variously be connected to the sensor to extension thereof, the modular component also exhibiting high mechanical strength to protect electrical conductors located therein.
대표청구항▼
What is claimed is: 1. A sensor comprising: a first component formed from a first component material; a first conductor formed from a first conductor material, said first conductor electrically connected to said first component; a second component in electrical contact with said first component, sa
What is claimed is: 1. A sensor comprising: a first component formed from a first component material; a first conductor formed from a first conductor material, said first conductor electrically connected to said first component; a second component in electrical contact with said first component, said second component formed from a second component material; a second conductor formed from a second conductor material, said second conductor electrically connected to said second component; a sheath enclosing at least said first component and said second component, said sheath formed of a sheath material having a platinum rhodium alloy, with at least 10% rhodium, and an oxide selected from the group consisting of yttrium oxide, cerium oxide, zirconium oxide, and combinations of these; and said oxide is dispersion hardened within grain boundaries and a main body portion of the noble metal. 2. The sensor of claim 1 wherein the first conductor material and the second conductor material are the same. 3. The sensor of claim 2 wherein the first conductor material and the second conductor material are different than the sheath material. 4. The sensor of claim 1 wherein the first component material comprises at least a first component noble metal and an oxide selected from the group consisting of yttrium oxide, cerium oxide, zirconium oxide, and combinations of these. 5. The sensor of claim 4 wherein the second component material comprises at least a second component noble metal, different than the first component noble metal, and an oxide selected from the group consisting of yttrium oxide, cerium oxide, zirconium oxide, and combinations of these. 6. The sensor of claim 1 further comprising an insulting layer enclosing said first and second conductors. 7. The sensor of claim 6 wherein said insulating layer is enclosed by said sheath. 8. A method for manufacturing a sensor comprising the steps of: providing a first component of a first component material; electrically connecting a first conductor to the first component; providing a second component of a second component material; electrically connecting a second conductor to the second component; electrically contacting the first component with the second component to form a junction where the first component meets the second component; forming a sheath of a material having a platinum rhodium alloy, with at least 10% rhodium, and an oxide selected from the group consisting of yttrium oxide, cerium oxide, zirconium oxide, and combinations of these; dispersion hardening the oxide within grain boundaries and a main body portion of the noble metal; and enclosing at least the first component and the second component in the sheath. 9. The method of claim 8 wherein the first conductor material and the second conductor material are the same. 10. The method of claim 9 wherein the first conductor material and the second conductor material are different than the sheath material. 11. The method of claim 10 further comprising the step of enclosing the first conductor and the second conductor with an insulating layer. 12. The method of claim 11 wherein the sheath encloses the insulating layer. 13. A sensor which is resistant to degradation at high temperature comprising: a first component formed from at least a first noble metal and an oxide selected from the group consisting of yttrium oxide, cerium oxide, zirconium oxide, and combinations of these; a first conductor formed from a first conductor material, said first conductor electrically connected to said first component; a second component in contact with said first component, said second component formed from at least at least a second noble metal, different than the first noble metal, and an oxide selected from the group consisting of yttrium oxide, cerium oxide, zirconium oxide, and combinations of these; a second conductor formed from a second conductor material, said second conductor electrically connected to said second component; a sheath enclosing said first and second conductors, said sheath formed of a sheath material having a platinum rhodium alloy, with at least 10% rhodium, and an oxide selected from the group consisting of yttrium oxide, cerium oxide, zirconium oxide, and combinations of these; and said oxide is dispersion hardened within grain boundaries and a main body portion of the noble metal. 14. The sensor according to claim 13 further comprising: a transmit lead module having, a first transmit lead formed of a first transmit lead material, for electrically connecting to said first conductor; a second transmit lead formed of a second transmit lead material, for electrically connecting to said second conductor; and a transmit lead module sheath enclosing said first transmit lead and said second transmit lead. 15. The sensor of claim 14 wherein said transmit lead module sheath is formed of a fourth noble metal and an oxide selected from the group consisting of yt-trium oxide, cerium oxide, zirconium oxide, and combinations of these. 16. The sensor of claim 15 wherein said transmit lead module further comprises an insulating layer enclosing said first transmit lead and said second transmit lead. 17. The sensor of claim 16 wherein said transmit lead module sheath encloses said insulating layer. 18. The sensor of claim 13 wherein the first conductor material and the second conductor material are the same. 19. The sensor of claim 18 wherein the first conductor material and the second conductor material are different than the sheath material. 20. A sensor comprising: a first component formed from a first component material; a first conductor formed from a first conductor material, said first conductor electrically connected to said first component; a second component in electrical contact with said first component, said second component formed from a second component material; a second conductor formed from a second conductor material, said second conductor electrically connected to said second component; a sheath enclosing at least said first conductor and said second conductor, said sheath formed of a sheath material having a platinum rhodium alloy, with at least 10% rhodium, and an oxide selected from the group consisting of yttrium oxide, cerium oxide, zirconium oxide, and combinations of these; and said oxide is dispersion hardened within grain boundaries and a main body portion of the noble metal. 21. A sensor comprising: a first component formed from a first component material; a first conductor formed from a first conductor material, said first conductor electrically connected to said first component; a second component in electrical contact with said first component, said second component formed from a second component material; a second conductor formed from a second conductor material, said second conductor electrically connected to said second component; and a sheath, electrically insulated from and enclosing at least said first component and said second component, said sheath formed of a sheath material having a platinum rhodium alloy, with at least 10% rhodium, and an oxide selected from the group consisting of yttrium oxide, cerium oxide, zirconium oxide, and combinations of these; said sheath having a higher melting point that said first and second components. 22. A sensor comprising: a first component formed from a first component material; a first conductor formed from a first conductor material, said first conductor electrically connected to said first component; a second component in electrical contact with said first component, said second component formed from a second component material; a second conductor formed from a second conductor material, said second conductor electrically connected to said second component; a sheath, electrically insulated from and enclosing at least said first conductor and said second conductor, said sheath formed of a sheath material having a platinum rhodium alloy, with at least 10% rhodium, and an oxide selected from the group consisting of yttrium oxide, cerium oxide, zirconium oxide, and combinations of these; said sheath having a higher melting point that said first and second conductors.
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