Patent ID: 7222280
Filing Date: 2007-05-22
Classification: G01R,G11C

Abstract:
1. In a test apparatus, a method of testing a device, said method comprising: sending a first test pattern to a device under test (DUT), said first test pattern part of a planned sequence of tests, wherein a first test is executed using said first test pattern; evaluating test results for said first test and received from said DUT, said test results comprising anomalous data indicative of a defect in said DUT; automatically selecting a second test pattern that is not part of said planned sequence of tests, wherein said second test pattern is selected based on a diagnosis of said anomalous data by said test apparatus, wherein said diagnosis is performed by recognizing a pattern in said anomalous data, wherein said second test pattern is selected according to said pattern in said anomalous data; and sending said second test pattern to said DUT, wherein a second test is executed using said second test pattern.