said antenna being made by punching or etching a thin metal strip and having an outermost loop partially connected to and supported by an outer frame of said thin metal strip and said antenna having respective innermost and outermost terminals a semiconductor element is electrically connected to said innermost and outermost terminals respectively one of said innermost and outermost terminals having an accommodation hole in which said semiconductor element is accommodated the semiconductor element and the antenna are supported to maintain their form by a supporting material made of biodegradable resin application_number US 94623801 A description it should be understood by those skilled in the art that the foregoing description relates to only a preferred embodiment of the disclosed invention and that various changes and modifications may be made to the invention without departing the sprit and scope thereof referring to the appended drawings a preferable embodiments of the present invention will be explained in detail below fig1 to 14 are views showing a method of manufacturing an ic card of the present invention fig1 is a view showing an antenna frame used for an ic card in which an antenna 10 is formed by punching or etching of a metal sheet in this embodiment the metal sheet is made of material such as iron which can be easily obtained at low price and further can be easily oxidized and corroded so that the ic card can be easily discarded after the use when a metal sheet is.