Ceramic heating elements having open-face structure and methods of fabrication thereof
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United States of America Patent
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Issued Date -
Jul 16, 2009
app pub date -
Dec 29, 2008
filing date -
Dec 29, 2007
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Abstract
The invention provides new ceramic resistive heating elements and new methods for manufacturing ceramic resistive heating elements wherein the heating element body comprises two or more regions of differing resistivity, and wherein the heating elements are open face. Heating elements such as igniters and glow plugs also are provided obtainable from fabrication methods of the invention.
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