Abstract: A pacemaker is provided. The pacemaker includes a pulse generator and an electrode line connecting with the pulse generator. The electrode line includes a conductor, an insulation layer and a shielding layer. The insulation layer is located on an outer surface of the conductor. The shielding layer is located on an outer surface of the first insulation layer. The shielding layer is a carbon nanotube structure having a plurality of radioactive particles therein.

Abstract: A thermochromatic element includes a sealed enclosure, an insulation layer and a first heating element. The sealed enclosure includes an upper semitransparent sheet and a lower sheet opposite to the upper semitransparent sheet, and defines a chamber between the upper semitransparent sheet and the lower sheet. The first transparent heating element is the semitransparent upper sheet. The first transparent heating element includes a carbon nanotube film including a number of carbon nanotube linear units and a number of carbon nanotube groups. Each carbon nanotube linear unit includes a number of first carbon nanotubes substantially oriented along a first direction, and are spaced from each other and substantially extending along the first direction. The carbon nanotube groups are combined with the carbon nanotube linear units by van der Waals force. The carbon nanotube groups between adjacent carbon nanotube linear units are spaced from each other in the first direction.

Abstract: An air purifier includes a shell, a wind turbine and an air filter layer. The shell includes at least one air inlet and at least one air outlet, and an air passage is defined between the at least one air inlet and the at least one air outlet. The wind turbine is located in the air passage. The air filter layer is located in the air passage and includes a filter screen. The air filter screen includes a carbon nanotube structure including a plurality of carbon nanotube films stacked and crossed with each other. The carbon nanotube structure includes a plurality of micropores. A diameter of the micropores is ranged from about 1 micrometer to about 2.5 micrometers.

Abstract: A mask against atmospheric PM 2.5 includes a mask body and a filter layer located in the mask body. The filter layer includes a carbon nanotube structure. The carbon nanotube structure includes a plurality of carbon nanotube films stacked and crossed with each other. The carbon nanotube structure includes a plurality of micropores. A diameter of the micropores ranges from about 1 micrometer to about 2.5 micrometers.

Abstract: A thermochromatic element includes a color element and at least one heating element configured to supply heat for the color element such that the color element changes color. The at least one heating element includes at least one carbon nanotube film. Each carbon nanotube film includes a number of carbon nanotube linear units and a number of carbon nanotube groups. Each carbon nanotube linear unit includes a number of carbon nanotubes substantially oriented along a first direction, and are spaced from each other and substantially extending along the first direction. The carbon nanotube groups are combined with the carbon nanotube linear units by van der Waals force. The carbon nanotube groups between adjacent carbon nanotube linear units are spaced from each other in the first direction.

Abstract: A transmission electron microscope micro-grid includes a support ring and a sheet-shaped carbon nanotube structure. The support ring has a through hole defined therein. The sheet-shaped carbon nanotube structure has a peripheral edge secured on the support ring and a central area suspended above the through hole. The sheet-shaped carbon nanotube structure includes at least one linear carbon nanotube structure or at least one carbon nanotube film.

Abstract: A defrosting glass includes a glass substrate, at least one carbon nanotube composite wire, and at least one first electrode and at least one second electrode. The carbon nanotube composite wire is disposed on the surface of the glass substrate. A carbon nanotube composite wire includes a carbon nanotube wire and a metal coating layer. Each carbon nanotube composite wire includes a carbon nanotube wire and a metal coating layer on the surface of the carbon nanotube wire.

Abstract: A wire cutting electrode which includes a carbon nanotube composite wire, a tensile strain rate of the carbon nanotube composite wire being less than or equal to 3%. The carbon nanotube composite wire includes a carbon nanotube wire and a metal layer. The carbon nanotube wire consists of a plurality of carbon nanotubes oriented around a longitudinal axis of the carbon nanotube composite wire. A twist of the carbon nanotube wire ranges from 10r/cm to 300r/cm. A diameter of the carbon nanotube wire ranges from 1 micron to 30 microns. The metal layer is coated on an outer surface of the carbon nanotube wire, and a thickness of the metal layer ranges from 1 micron to 5 microns. A wire cutting device using the wire cutting electrode is also provided.

Abstract: A semiconductor package structure includes a substrate, and a package preform. The substrate includes a plurality of conductive tracing wires. The package preform includes a semiconductor chip and a plurality of binding wires. The semiconductor chip includes a plurality of welding spots, and the welding spots are electrically connected with corresponding conductive tracing wires by the binding wires. Each binding wire comprises a carbon nanotube composite wire, the carbon nanotube composite wire includes a carbon nanotube wire and a metal layer. The carbon nanotube wire consists of a plurality of carbon nanotubes spirally arranged along an axial direction an axial direction of the carbon nanotube wire.

Abstract: A temperature-sensitive mass flowmeter includes a detecting element, a signal receiving element, and a signal processing element. The detecting element includes a first sensing element and a second sensing element. The first sensing element and the second sensing element are each a nanotube composite wire. The carbon nanotube composite wire includes a carbon nanotube wire and a metal layer. The carbon nanotube wire includes a plurality of carbon nanotubes spirally arranged along an axial direction of the carbon nanotube wire and the metal layer is coated on a surface of the carbon nanotube wire.

Abstract: An electromagnetic shielding material including a substrate and a shield layer. The shield layer includes a carbon nanotube composite wire. The carbon nanotube composite wire includes a carbon nanotube wire and a metal layer. The carbon nanotube wire comprises a plurality of carbon nanotubes spirally arranged along an axial direction of the carbon nanotube wire. A twist of the carbon nanotube wire ranges from 10 r/cm to 300 r/cm. A diameter of the carbon nanotube wire ranges from 1 micron to 30 microns. A thickness of the metal layer ranges from 1 micron to 5 microns. Electromagnetic shielded clothing is also provided.

Abstract: A conductive mesh for a touch panel consists of a plurality of carbon nanotube composite wires. The carbon nanotube composite wire comprises a carbon nanotube wire and a metal layer. The carbon nanotube wire comprises a plurality of carbon nanotubes spirally arranged along an axial direction of the carbon nanotube wire. A touch panel using the conductive mesh is also provided.

Abstract: A hot wire anemometer utilizing metal-coated carbon naonotube wire includes a detecting element, a signal enlarging element, a signal dealing element, and a display divice. The hot wire of the detecting element includes a nanotube composite wire. The carbon nanotube composite wire includes a carbon nanotube wire and a metal layer. The carbon nanotube wire includes a plurality of carbon nanotubes spirally arranged along an axial direction of the carbon nanotube wire. The diameter of the carbon nanotube wire ranges from 50 nanometers to 30 micrometers. The rate of twist of the carbon nanotube wire ranges from 250 t/cm to 300 t/cm. The metal layer is coated on a surface of the carbon nanotube wire. The thickness of the metal layer ranges from 50 nanometers to 5 micrometers.

Abstract: A carbon nanotube composite wire is provided. A carbon nanotube composite wire includes a carbon nanotube wire and a metal layer. The carbon nanotube wire includes a plurality of carbon nanotubes spirally arranged along an axial direction of the carbon nanotube wire. The diameter of the carbon nanotube wire ranges from about 1 micrometer to about 30 micrometers. The twist of the carbon nanotube wire ranges from about 250 t/cm to about 300 t/cm. The metal layer is coated on a surface of the carbon nanotube wire. The thickness of the metal layer ranges from about 1 micrometer to about 5 micrometers.

Abstract: A method for making a heater is provided. A support and a flexible substrate are provided. The flexible substrate is stretched along a first direction and is fixed on a surface of the support. A carbon nanotube film is drawn from a carbon nanotube array. One end of the carbon nanotube film is attached on the flexible substrate. The carbon nanotube film is wrapped around the support by whirling the support to form a carbon nanotube layer. The flexible substrate is separated from the support and shrinks along the first direction. The carbon nanotube layer includes a plurality of carbon nanotubes aligned in the first direction. A plurality of electrodes are electrically connected with the carbon nanotube layer.

Abstract: A method for making a heater is provided. A support and a flexible substrate are provided. The flexible substrate is fixed on a surface of the support. A carbon nanotube film is drawn from a carbon nanotube array. One end of the carbon nanotube film is attached on the flexible substrate. The carbon nanotube film is wrapped around the support by whirling the support to form a carbon nanotube layer. The carbon nanotube layer includes a plurality of carbon nanotubes aligned in a first direction. The flexible substrate is heated to a temperature of about 80° C. to about 120° C. The flexible substrate is then shrunk along the first direction. A plurality of electrodes are electrically connected with the carbon nanotube layer.

Abstract: An electrode lead of a pacemaker includes at least one lead wire. The at least one lead wire includes at least one conductive core, a first insulating layer coated on an outer surface of the at least one conductive core, at least one carbon nanotube yarn spirally wound on an outer surface of the first insulating layer, and a second insulating layer coated on the surface of the at least one carbon nanotube yarn. One end of the at least one conductive core protrudes from the first insulating layer to form a naked portion. The at least one carbon nanotube yarn includes a number of carbon nanotubes joined end to end by van der Waals attractive forces. A pacemaker includes a pulse generator and the electrode lead electrically connected with the pulse generator.

Abstract: A method for using a carbon nanotube film supporting structure includes: providing a carbon nanotube film structure and a carbon nanotube film supporting structure, the carbon nanotube film supporting structure comprises a substrate and a plurality of protruding structures, the substrate having a surface defining a support region, the plurality of protruding structures distributed on support region, a ratio of a sum of a plurality of surface areas, defined by the top of the plurality of protruding structures, to an area of the support region, is less than or equal to 20%; and placing the carbon nanotube film structure on the support region of the carbon nanotube film supporting structure.

Abstract: A carbon nanotube film supporting structure is provided. The carbon nanotube film supporting structure is used for supporting a carbon nanotube film structure. The carbon nanotube film supporting structure includes a substrate and a number of protruding structures. The substrate has a surface defining a support region. The protruding structures are distributed on the support region. The carbon nanotube film structure can be peeled off completely after being in contact with the carbon nanotube film supporting structure.

Abstract: The present disclosure relates to a method for making a pacemaker electrode lead. In the method, the conductive wire structure and the carbon nanotube structure are provided. A conductive material is combined with the carbon nanotube structure to form a carbon nanotube composite structure. The carbon nanotube composite structure is covered on surface of the conductive wire structure to form a conductive wire composite structure.