Various implementations include a self-heating device. The device includes an electrically insulative layer, an electrically conductive layer, a first electrode, and a second electrode. The electrically insulative layer has a first surface and a second surface spaced apart from the first surface. The electrically conductive layer has a first surface and a second surface spaced apart from the first surface. The second surface of the conductive layer is coupled to the first surface of the insulative layer. The conductive layer includes a polymer. Conductive nanoparticles are embedded in the polymer. The first electrode and a second electrode are coupled to the conductive layer. The first electrode and the second electrode are spaced apart from each other and in electrical communication with each other through the conductive layer. The conductive layer produces heat through Joule heating when electrical current is passed through the conductive layer.

A water detecting and ejecting sensor device includes a housing, a ceramic substrate, an integrated circuit and a sensor. The housing includes a cavity and the integrated circuit is disposed on a ceramic substrate. The sensor is disposed on the integrated circuit. The ceramic substrate includes one or more ports to expose the cavity to a surrounding environment, and each port includes at least two mesh layers.

A heater unit includes a heater 72 having first bend portions 95 (95a to 95d) and second bend portions 96 (96a to 96f). The first bend portions 95 are turns present in a maximum-temperature area (first area 90a) where the maximum temperature is reached during heating among areas 88 where the turns have a narrower pitch and having apexes facing each other in the short-length direction (left-right direction) of a ceramic substrate. The second bend portions 96 are turns present in areas 89 where the turns have a wider pitch and having apexes facing each other in the short-length direction. The distance X1 [mm] between the first bend portions 95 facing each other is larger than the distance X2 [mm] between the second bend portions 96 facing each other.

Electric, self-heating concrete systems that uses embedded carbon macrofiber or nanofibers paper as electric resistance heating elements are disclose. The self-heating concrete systems may utilize the conductive properties of carbon macrofiber or nanofiber materials to heat a surface overlay of concrete with various admixtures to improve the concrete's thermal conductivity. The self-heating concrete systems allow concrete roadways or the like to be heated to above freezing temperatures in a freezing environment in a reasonable amount of time.

A substrate support for a substrate processing system includes a plurality of heating zones, a baseplate, a heating layer arranged on the baseplate, a ceramic layer arranged on the heating layer, and wiring provided through the baseplate, the heating layer, and into the ceramic layer in a first zone of the plurality of heating zones. An electrical connection is routed from the wiring in the first zone, across the ceramic layer to a second zone of the plurality of heating zones, and to a heating element in the heating layer in the second zone.

An exemplary spraying atomizing device includes a housing, a liquid tank, a spraying device, a heating element, and a power supply. The housing defines an atomizing chamber. The liquid tank is configured for storing tobacco liquid. The spraying device is configured for spraying the tobacco liquid into the atomizing chamber in a form of liquid particles. The heating element is arranged in the atomizing chamber, and has a heating surface. The heating surface is configured for supporting and heating the liquid particles to form aerosol. The power supply is arranged in the housing, and is configured for feeding the heating element power.

The present invention relates to a ceramic heater and, more specifically, to a ceramic heater characterized in that connecting portions connecting concentric circumferences of a heating element included in the ceramic heater are formed such that the symmetrical axes of pairs of connecting portions do not pass through the center of the heating element. The present invention has the benefit of providing a ceramic heater in which the heating surface of a ceramic plate has improved temperature uniformity as a result of the reduction of a low temperature region of the heating element included in the ceramic heater. In addition, the present invention has the benefit of providing a ceramic heater in which the heating surface of a ceramic plate has improved temperature uniformity by only changing the design of the structure of the connecting portions connecting the concentric circumferences of the heating element without adding an additional device.

An electrode-embedded ceramic structure includes: a ceramic shaft, wherein an electrode is disposed on an outer circumference thereof; and a ceramic tube housing the ceramic shaft therein and coupled to the ceramic shaft. In this electrode-embedded ceramic structure, spaces are provided locally between the ceramic shaft and the ceramic tube.

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.

A thermocouple guide includes a straight tube portion and a curved tube portion formed in continuation with the straight tube portion to turn an extension direction from the straight tube portion. A cross-section of a tip-side part of the curved tube portion, the tip-side part occupying a predetermined range including a tip end of the curved tube portion, has an external shape that is obtained by linearly cutting both sides of a circle.