Ceramic heating plate
US4990747A · kind A · utility
11Cited by
6References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 4, 1988 |
| Grant date | Feb 5, 1991 |
| Priority date | — |
| Expiry date | Nov 4, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S165/904
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A ceramic heating plate which comprises a planar body including a ceramic substratum covered with a far-infrared ceramic layer on the top surface; a heating sheet attached to the back surface of the substratum, the heating sheet including a pair of lead terminals through which the heating plate is connected to a source of power; and wherein the ceramic layer contains a single layer of ceramic particles exposed above the surface thereof so that far-infrared rays are radiated outside directly therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.