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US 10,764,965 B2Granted
Surface heater, electric range having the same, and manufacturing method thereof
AssigneeLG Electronics Inc.
InventorsYoungjun Lee, Kyoungjin Ku, Deokhyun Hwang
Life of this patent
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Abstract
An apparatus including a surface heater, the surface heater including a substrate having a surface formed of an electrically insulating material, heating element attached to the surface of the substrate by sintering predetermined powder including lanthanide oxide powder, and a power supply unit configured to supply electricity to the heating element wherein a manufacturing method of the surface heater includes baking the predetermined powder at a baking temperature of 900° C. or lower.
Claims7
An apparatus comprising a surface heater, the surface heater comprising:
- a heating substrate comprising an electrically insulating surface wherein the electrically insulating surface comprises a glass material;
- a heating element attached to the electrically insulating surface, the heating element comprising lanthanide oxide and a metal material;
- and
- a power supply unit to supply electricity to the heating element,
- wherein the heating element is attached to the electrically insulating surface by sintering a predetermined powder comprising a lanthanide oxide powder and a metal powder, and
- wherein the heating element comprises 30 to 60% by weight of the lanthanide oxide and 40 to 70% by weight of the metal material, the lanthanide oxide is Lanthanum Cobalt (LC).
3 more elements
Dependencies are inferred from the claim text.