Surface heater, electric range having the same, and manufacturing method thereof
US10764965B2 · kind B2 · utility
0Cited by
8References
7Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 23, 2017 |
| Grant date | Sep 1, 2020 |
| Priority date | — |
| Expiry date | Jan 8, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B2203/017
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.