Importance

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Abstract

A three dimensional printing apparatus used for printing a printed circuit board (PCB) in melting manner is provided. The three dimensional printing apparatus includes a platform, a first printing unit, a second printing unit, a third printing unit, and a control unit. The first printing unit supplies a meltable insulation material, the second printing unit supplies a meltable conductive material, and the third printing unit supplies a meltable adhesive material. The control unit is electrically connected to the first printing unit, the second printing unit and the third printing unit, wherein the first printing unit is driven by the control unit to generate an insulation layer, the second printing unit is driven by the control unit to generate a conductive layer, and the third printing unit is driven by the control unit to generate an adhesion layer between the conductive layer and the insulation layer to form the PCB.

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First Claim