A cooktop includes a base and an electrically conductive coating applied to the lower surface of the base. The coating is composed of a paint containing electrically conductive particles dispersed in a silicone or polyester-silicone or epoxy-silicone resin. The conductive particles are selected from the group consisting of multi-wall or single-wall carbon nanotubes, graphene, copper metallic particles, nickel metallic particles, or combinations thereof.

A computing device includes a peripheral component interconnect (PCI) card and a heater apparatus. The heater apparatus is located proximate to the PCI card and configured to heat the PCI card.

A heater 1a includes: a substrate 10 made of a resin; a conductive film 20 being a heating element; and a power supply electrode 30. The power supply electrode 30 is electrically connected to the conductive film 20 and is arranged along a surface of the conductive film 20. The power supply electrode 30 includes a conductive filler 30p and a binder 30m. The binder 30m binds the conductive filler 30p. The power supply electrode 30 has a specific resistance of 100 .Math.Ω•cm or less. The heater 1a satisfies a relation |Rd ― Ri|/Ri ≤ 0.2. Rd is an electrical resistance [Ω] of the heater 1a, the electrical resistance being obtained after an environment of the heater 1a is maintained at a temperature of 85° C. and a relative humidity of 85% for 1000 hours. Ri is an initial electrical resistance Ri of the heater 1a.

A coated article includes a substrate, a first dielectric layer, a first metallic layer, a first primer layer, a second dielectric layer, a second metallic layer, a second primer layer, a third dielectric layer, a third primer layer, a third metallic layer, and a fourth dielectric layer. The total combined thickness of the metallic layers is at least 30 nanometers and no more than 60 nanometers. The article can have a sheet resistance of less than 0.85 Ω/□, a visible light reflectance of not more than 10%, and a visible light transmittance of at least 70%.

A film heater has a transparent conductive portion including: at least one non-conductive portion that has electrical insulation properties and extends in a direction intersecting a vibration direction of an electric field included in a radio wave transmitted from a radio wave transmitter-receiver; and a heat generator that generates heat by being energized and that transmits light. The film heater has: a first electrode connected to the heat generator; and a second electrode connected to the heat generator. The heat generator includes at least one conductive portion that is adjacent to the non-conductive portion and generates heat by a current flowing along a direction in which the non-conductive portion extends when the heat generator is energized by the first electrode and the second electrode.

A positive temperature coefficient component includes: a substrate (32); a conductive ink (36) disposed over at least a portion of the substrate (32); a positive temperature coefficient layer (38) disposed over at least a portion of the substrate (32) and/or the conductive ink (36); and a topcoat layer (42) formed from a coating composition including a dielectric material disposed over at least a portion of the positive temperature coefficient layer (38) and/or the conductive ink (36).

Disclosed is a heating device, which is used for heating an aerosol generating substrate product and volatilizing at least one component therein to form an aerosol. The heating device comprises a heating body (11), wherein the heating body (11) comprises: a base body (111) provided with a chamber for receiving at least part of the aerosol generating substrate product; an infrared electrothermal coating (112), which is formed on the outer surface of the base body (111), used for receiving a power supply to generate heat and transfers the heat to the aerosol generating substrate product received in the chamber at least in an infrared radiation manner, so as to volatilize at least one component in the aerosol generating substrate product to form an aerosol which can be vaped; an electrode coating (113) part of the outer surface of the infrared electrothermal coating (112) and used for supplying the electric power of the power supply to the infrared electrothermal coating (112); and an infrared radiation coating (115) at least partially covering the infrared electrothermal coating (112), wherein the infrared radiation coating (115) can radiate infrared rays after a temperature rise. The heating device can improve the power efficiency of the power supply of the infrared electrothermal coating (112).

A self-regulating heater may comprise a first substrate including a first silicone layer and a first polyimide layer. A positive temperature coefficient heating element may be formed over the first polyimide layer. A second substrate may be located over the positive temperature coefficient heating element. The second substrate may include a second silicone layer and a second polyimide layer.

An electrically heatable panel may include a conductive coating patterned to have a conductive profile with a narrow region whereby current density is greater in the narrow region thus providing increased heat dissipation in the narrow region.

An optical imaging lens including an optical lens assembly with an optical axis, a lens barrel and a conductive element is disclosed. The optical lens assembly includes a plurality of lenses. The lens barrel includes an inner wall surface and a heating film, wherein the inner wall surface surrounds the optical axis and is made of electrical insulating material, and the heating film is formed on the inner wall surface. The optical lens assembly is disposed in the lens barrel in order from an object side to an image side. An edge of at least one lens of the optical lens assembly contacts the heating film. The conductive element is extended along the inner wall surface of the lens barrel, and is electrically connected to the heating film. One terminal of the conductive element is connected to an external power supply.