%0 Journal Article %T A Novel Structure with Multiple Equipotential Rings for Shielding the Influence of a High Voltage Interconnection
具有多等位环的高压屏蔽新结构MER-LDMOS耐压分析 %A Chen Wanjun %A Zhang Bo %A Li Zhaoji %A
陈万军 %A 张波 %A 李肇基 %J 半导体学报 %D 2006 %I %X A novel structure with multiple equipotential rings(MER-LDMOS) for shielding the influence of a high voltage interconnection(HVI) is proposed,and its shielding model is explained and proved with 2D device simulation.The influences of various factors on the breakdown voltage of MER-LDMOS are discussed in detail,including the p-top dose,the length of equipotential ring,the distance between the equipotential rings,and the thickness of the SiO_2.A significant increase in the breakdown voltage is realized using the MER-LDMOS structure,and its breakdown voltage increases by more than 100% compared with that of conventional LDMOS.Furthermore,the proposed structure has the advantages of simple fabrication,large process tolerance,and small leakage current.It is a new method for shielding the influence a high voltage interconnection in a high voltage integrated circuit. %K high voltage interconnection %K equipotential rings %K breakdown voltage %K LDMOS
高压互连线 %K 等位环 %K 击穿电压 %K LDMOS %K 屏蔽机理 %K 结构 %K 耐压 %K 分析 %K Interconnection %K High %K Voltage %K Influence %K Rings %K Multiple %K 方案 %K 问题 %K 中高压 %K 高压集成电路 %K 泄漏电流 %K 容差 %K 工艺 %K 能力 %K LDMOS %K 结果 %K 影响 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=1319827C0C74AAE8D654BEA21B7F54D3&jid=025C8057C4D37C4BA0041DC7DE7C758F&aid=E2C8D368EA22B410&yid=37904DC365DD7266&vid=DB817633AA4F79B9&iid=DF92D298D3FF1E6E&sid=098F5970044D8583&eid=0B2455B0C3E7C267&journal_id=1674-4926&journal_name=半导体学报&referenced_num=1&reference_num=14