Semiconductor device

Electric power conversion systems – Current conversion – Including automatic or integral protection means

Reexamination Certificate

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C327S314000

Reexamination Certificate

active

07443703

ABSTRACT:
A semiconductor device has a semiconductor element connected to an input/output terminal and a reference voltage terminal, a first rectifier element connected between the input/output terminal and the reference voltage terminal, which performs rectifier operation to prevent a voltage of the input/output terminal from becoming higher than a voltage of the reference voltage terminal by a predetermined value or more, and a second rectifier element connected between the input/output terminal and the reference voltage terminal, which performs rectifier operation to prevent the voltage of the reference voltage terminal from becoming higher than the voltage of the input/output terminal by a predetermined value or more.

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patent: 6388850 (2002-05-01), Ker et al.
patent: 6400204 (2002-06-01), Davis
patent: 6566911 (2003-05-01), Moyer
patent: 6649944 (2003-11-01), Ker et al.
patent: 6781805 (2004-08-01), Urakawa
patent: 7187527 (2007-03-01), Su et al.
patent: 2002-124573 (2002-04-01), None
patent: 2004/093133 (2004-10-01), None
Chinese Office Action dated Jan. 18, 2008 for Application No. 200510138101.6 and English translation thereof.
Taiwanese Office Action dated Oct. 26, 2007 for Application 09520889790.

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