Method for manufacturing ceramic heater
US12351525B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 18, 2021 |
| Grant date | Jul 8, 2025 |
| Priority date | — |
| Expiry date | Dec 27, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2237/68
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present disclosure relates to a method for manufacturing a ceramic heater. The method for manufacturing a ceramic heater according to the present disclosure comprises: separately charging a ceramic powder into a center portion and multiple split edge portions in a formation mold and leveling the charged ceramic powder; manufacturing a molded body or pre-sintered body of the ceramic powder from the leveled ceramic powder; disposing a high-frequency electrode or a heating element on the molded body or pre-sintered body of the ceramic powder and filling a second ceramic powder; and integrally sintering the molded body or pre-sintered body of the ceramic powder and the second ceramic powder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.