A method of opening an ampoule and an ampoule opening device are disclosed. The method includes receiving color data for an object to be printed and performing post color processing for each pixel in the object if the object is a graphicstext object, while no processing is performed if the object is an image object. A first portion of the photoresist layer is exposed to an electron beam, wherein the electron dose of the electron beam exposure is varied within the first portion according to a selected pattern, and wherein the electron does to which a given region in the photoresist is exposed, depends on the resulting photoresist height in the given region after development. More preferably, heat radiating effect is given to a fourth passivation film 50 to make the EL element 203 to be enclosed by heat radiating layers. The vacuum port of the apparatus is connectable to a vacuum source, and the apparatus is utilized to suction particulate foam material from the insulated structure.