The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 20, 2004
Filed:
Oct. 31, 2002
Daisuke Ito, Nagano, JP;
Hiroshi Nakagawa, Nagano, JP;
Katsutoshi Ito, Nagano, JP;
Naoyuki Shinonaga, Nagano, JP;
Shinji Senba, Tokyo, JP;
Renesas Technology Corp., Tokyo, JP;
Abstract
There is provided a test board for testing semiconductor devices by connecting a plurality of DUTs (semiconductor devices under the test) with a test head, and transmitting test signals from the test head to the plurality of DUTs. The test board comprises a motherboard connected to the test head; a multi-layer wiring board connected to each of the plurality of DUTs; and a scramble board disposed between the motherboard and the multi-layer wiring board. The motherboard and the scramble board, and the multi-layer wiring board and the scramble board are each connected by female connectors and male connectors.