| 摘要 |
<p>A heating element (2) comprises a thermally conductive substrate (4), an electrically insulating layer (6) provided over the substrate (4), and a heating track (8) deposited on the insulating layer. The heating element (2) has a dished portion defining a concave face (12) on one side of the element (2), the insulating layer (6) and the heating track (8) being provided on the concave face (12). The heating element is suitable for a range of liquid heating applications, including electric kettles.</p> |
