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Abstract

The present disclosure provides a method for preparing a carbon nanotube conductive ball and a method for preparing a carbon nanotube ball conductive adhesive. The method for preparing the carbon nanotube conductive ball integrates the advantages of stability of polymer microsphere and SiO₂ microsphere, and high conductivity of carbon nanotube, by applying polymer microsphere or SiO₂ microsphere as matrix, and plating carbon nanotube material to obtain the spherical carbon nanotube conductive ball. The method is simple, low equipment requirements, abundant raw materials, low cost, and high efficiency, the particle size of the carbon nanotube conductive ball is controllable, the material stability and conductivity of the carbon nanotube conductive ball are excellent. The method for preparing the carbon nanotube ball conductive adhesive adopts carbon nanotube as an electrically conducting particle, which replaces the commonly used conductive gold ball in TFT-LCD field, the disadvantages in traditional conductive adhesive such as high filling content, expensive price, complicated preparation process, environmental pollution, and so on are solved. Besides, the carbon nanotube ball conductive adhesive also has a great prospect in ultra-fine circuit connections.

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First Claim