A glazing unit providing heating and electromagnetic shielding functions, including at least one substrate, a heating layer deposited on one of the faces of the substrate, and an electromagnetic shield, wherein the electromagnetic shield comprises an electrically conductive coating that covers a portion of the heating layer, the heating layer being electrically insulated from the coating by electrically insulating components.

A surface heater including a substrate, an insulating layer positioned on the substrate, and a heater layer positioned on the insulating layer, wherein the insulating layer and the heating layer are co-fired.

One example of a heating element includes a first carbon nanotube (CNT) layer and a second CNT layer. At least a portion of the first CNT layer overlaps at least a portion of the second CNT layer, and the first CNT layer includes a first perforated region having a plurality of perforations. Another heating element includes a CNT sheet with a first perforated region having a plurality of perforations and a first perforation density and a second perforated region having a plurality of perforations and a second perforation density different from the first perforation density. A method of forming a heating element includes perforating a first CNT layer so that it includes a perforated region and stacking the first CNT layer with a second CNT layer such that at least a portion of the first CNT layer overlaps at least a portion of the second CNT layer.

The invention relates to an aluminum resistive heater containing, a heat conductive substrate comprising an electrically insulating surface. An aluminum resistive structure is provided on the electrically insulating surface, wherein the aluminum resistive structure comprises, at least one aluminum conductive layer covering at least a part of the electrically insulating surface, wherein the aluminum conductive layer comprises aluminum and at least a first glass. The aluminum resistive structure further comprises at least two terminal contact pads contacting the aluminum conductive layer, wherein the terminal contact pads comprise silver. An overglaze comprising glass covers at least a part of the aluminum resistive structure. Furthermore the invention relates to a method for making the aluminum resistive heater.

An electrical heating device comprises an electrical heating assembly and a control device adapted to control the electrical heating assembly and a housing base part that is adapted to accommodate the control device. The housing part is connected to a housing cover to form a housing sealed from the environment. The control device and the electrical heating assembly are accommodated in the housing to create a compact design and the best possible EMC protection.

Provided is a wet-use plane heater using a positive temperature coefficient (PTC) constant heater-ink polymer, wherein the wet-use plane heater has unique characteristics in that it may not only be safe from the damage to the heater and the risk of fire due to self-temperature control characteristics, but a plane heater, which has been mainly installed in dry-use applications due to limitations of leakage current and induced current caused by an increase in contact area with an installation floor, may also be used for wet installation which uses a mortar.

Articles for emitting infrared energy comprising a nanostructured member including a plurality of nanotubes, the member being configured to emit infrared energy when an electrical current is applied; a reflecting member configured to direct at least a portion of the emitted infrared energy in a desired direction for heating a remotely-situated target, and optionally a spacer situated between the nanostructured member and the reflecting member to maintain a predetermined spacing there between, the predetermined spacing selected to minimize destructive interference between the infrared energy emitted by the nanostructured member and the infrared energy reflected by the reflecting member. In alternative embodiments, a carbonaceous member may be substituted for the nanostructured member.

The present application relates to the technical field of electric heating elements, and discloses an all-ceramic heating element, which includes an outer heating layer, an inner insulating layer (3) and an inner heating layer, wherein the inner heating layer, the inner insulating layer (3) and the outer heating layer are sequentially arranged from inside to outside; the outer heating layer is electrically connected to the inner heating layer; and the weight ratio of ceramic materials of an outer resistive layer (4) and an inner resistive layer (2) is: silicon nitride:silicon carbide:aluminum oxide:yttrium oxide:lanthanum oxide:molybdenum disilicide=(500-700):(100-300):(40-80):(50-90):(0-30):(500-800), and the ratios thereof for the outer resistive layer (4) and the inner resistive layer (2) are different. The heating element has integrated heating and temperature-sensing functions, is not affected by an external environment, can realize reliable heating or ignition, and has a reliable service life.

Provided is a wet-use plane heater using a positive temperature coefficient (PTC) constant heater-ink polymer, wherein the wet-use plane heater has unique characteristics in that it may not only be safe from the damage to the heater and the risk of fire due to self-temperature control characteristics, but a plane heater, which has been mainly installed in dry-use applications due to limitations of leakage current and induced current caused by an increase in contact area with an installation floor, may also be used for wet installation which uses a mortar.

An electrostatic chuck includes a ceramic dielectric substrate, a base plate, and a heater unit. The heater unit includes a first power feeding portion, a second power feeding portion, and a heater line. The heater line includes a plurality of extension portions arranged in a second direction. The plurality of extension portions includes a first extension portion and a second extension portion. A third distance between the first extension portion and a first virtual tangent and a fourth distance between the second extension portion and a second virtual tangent each are not more than a first distance between the first power feeding portion and the second power feeding portion. The third distance and the fourth distance each are not more than a second distance between the plurality of extension portions.