AUTHENTICATING MATERIAL FOR IDENTIFYING MISSING PEOPLE WHEN FIRE BREAKS AND METHOD OF UTILIZING THE SAME

摘要

PURPOSE: An authenticating material for identifying missing people when a fire breaks and a method of utilizing the same are provided to manufacture a credit card or identification card capable of identifying missing people after an accident. CONSTITUTION: The authenticating material is implanted into a credit card, an identification card and so on. It is a material with a high corrosion resistance and a high melting point, such as tantalum(Ta) and a tantalum alloy, which is not corrosive or spoiled even at an induced gas or high temperature generated upon a fire and whose shape is maintained as it is.