Patent ID: 6091251
Filing Date: 2000-07-18
Classification: G01R,H01L,H05K

Abstract:
A method for testing a semiconductor die having a die contact comprising:providing a test circuitry configured to generate test signals;providing a test fixture comprising a first plate and a second plate configured to house the die, the first slate comprising a cavity for retaining the die, an external lead, and a contact in electrical communication with the external lead and in approximate planar alignment with the die contact with the die in the cavity;providing a die contact member between the first plate and the second plate for electrically connecting the die contact to the external lead, the die contact member comprising a plastic film, a first bump on the film for electrically contacting the die contact, a conductive trace on the film in electrical communication with the first bump, and a second bump on the film in electrical communication with the conductive trace for electrically contacting the contact;placing the die in the cavity and the second plate on the first elate with the die contact in electrical contact with the first bump, the contact in electrical contact with the second bump, and the external lead in electrical communication with the test circuitry; andapplying the test signals through the external lead, the contact, the second bump, the conductive trace, the first bump, and the die contact to the die.