Patent ID: 6181146
Filing Date: 2001-01-30
Classification: G01R

Abstract:
A burn-in board comprising:a tested device accommodating part which accommodates tested devices each of which has plural terminals, and which said tested device accommodating part has plural test terminals to be electrically connected with the terminals of the tested devices accommodated in it,a test signal supplying means for supplying a signal to one set of test terminals of said tested device accommodating part,a first electric potential supplying means having a solid pattern for supplying a first test electric potential to a second set of test terminals of said tested device accommodating part,a second electric potential supplying means having a solid pattern for supplying a second test electric potential different from the first test electric potential to a third set of test terminals of said tested device accommodating part,a test circuit changeover socket, anda plurality of changeover unit means which can change a test circuit according to kinds of tested devices by selectively inserting one of the plurality of changeover unit means into the test circuit changeover socket to change over the electric potential supplied from said first and said second electric potential supplying means to the respective second or third sets of test terminals of said tested device accommodating part to different sets of test terminals of said tested device accommodating part.