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US 2018/0321091 A1Published application
Sensor Element and Method for Producing a Sensor Element
AssigneeEpcos AG
InventorsJan Ihle, Anke Weidenfelder, Christl Lisa Mead, Gerald Kloiber
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Abstract
A sensor element and a method for producing a sensor element are disclosed. In an embodiment a sensor element includes a ceramic carrier having a top side and an underside, a respective NTC layer arranged on the top side and on the underside of the carrier and at least one electrode, wherein a resistance of the respective NTC layer depends on a thickness and/or geometry of the respective NTC layer.
Claims18
1-16. (canceled)
A sensor element for temperature measurement comprising:
- a ceramic carrier comprising a top side and an underside;
- a respective NTC layer arranged on the top side and on the underside of the carrier, wherein a resistance of the respective NTC layer depends on a thickness and/or geometry of the respective NTC layer;
- and
- at least one electrode adjacent an NTC layer.
1 more element
A method for producing a sensor element, the method comprising:
- providing a NTC powder for forming at least one NTC layer;
- providing a ceramic carrier material;
- printing a first surface of the carrier material with an NTC paste in a first printing geometry forming a first NTC layer;
- sintering a system comprising the carrier material and the first NTC layer;
- printing a second surface of the carrier material with an NTC paste in a second printing geometry forming a second NTC layer;
- and
- sintering the system comprising the carrier material and the second NTC layer,
- wherein the surfaces of the carrier material are printed with the NTC pastes partially or over the whole area.
5 more elements
Dependencies are inferred from the claim text.