Patent ID: 6414510
Filing Date: 2002-07-02
Classification: G01R

Abstract:
A testing apparatus of IC devices comprising:loader portion for loading test boards, having a surface on which are mounted a predetermined number of IC devices; a pre-heat portion for heating or cooling the IC devices mounted on said test boards and transferred from said loader portion to a predetermined temperature; a testing/measuring portion for introducing the IC devices mounted on said test boards and connecting them with test heads, so as to conduct testing/measuring of electric properties on each of the IC devices; a defroster portion for defrosting the IC devices mounted on said test boards after the testing/measuring being conducted thereon in said testing/measuring portion; and an unloader portion for unloading the IC devices mounted on said test boards, after being defrosted in said defroster portion, wherein horizontal transportation means are provided for transporting said test boards on substantially a same horizontal plane in said loader portion and said unloader portion, and vertical transportation means are provided for transporting said test boards under vertically standing condition thereof in said pre-heat portion, said testing/measuring portion and said defroster portion; said pre-heat portion is disposed in a position being above said horizontal plane, while said defroster portion is disposed in a position lower than said horizontal plane; and contacting/separating means are provided for connecting and separating the IC devices mounted on said testing boards with/from said test heads, after positioning said test boards in an upper position and a lower position with respect to said horizontal plane, respectively, in said testing/measuring portion.