| 摘要 |
A HEATER/SENSOR WITH AN ELECTRIC HEATING COIL HAS AN INSULATING PIPE (1) WITH A BORE(1A) THEREIN HAS NONHEATING WIRE THREADED THERETHROUGH. THE NONHEATING WIRE IS ATTACHED TO A FIRST END OF A HEATING WIRE (3) WHICH IS WOUND ABOUT THE PERIPHERY OF THE INSULATING PIPE (1). A SECOND END OF THE HEATING WIRE IS ATTACHED TO A SECOND NONHEATING WIRE. A FIRST CERAMIC COATING OF A BINDER AND A COARSE GRADE ALUMINA IS FORMED ON THE PIPE AND WIRES THROUGH A DIP PROCESS. A SECOND CERAMIC COATING OF A BINDER AND A FINE ALUMINA COATING IS FORMED ON THE FIRST CERAMIC COATING THOUGH A SECOND DIP PROCESS. THE TWICE COATED HEATER/SENSOR COMPLEX IS SECURED IN A SOLDERING IRON TIP.
|
