公开(公告)号：JP2003249555A

公开(公告)日：2003-09-05

申请号：JP2002041178

申请日：2002-02-19

Applicant: UNITED MICROELECTRONICS CORP

Inventor： CHIN SEIYU ,  KA SOGI

IPC: H01L27/04 ,  H01L21/822

Abstract: PROBLEM TO BE SOLVED: To provide a bar circuit which reduces crosstalks and eddy currents in an integrated circuit. SOLUTION: The bar circuit comprises a first conductivity semiconductor substrate, a second conductivity first elongate well in the semiconductor substrate, and a second conductivity second elongated well in the semiconductor substrate. The second elongated well is under the first elongate well and adjacent to under the first elongated well, thereby connecting it with a barrier to cut off the crosstalks and eddy currents. COPYRIGHT: (C)2003,JPO