发明名称 Dielectric film layered product
摘要 In order to provide a dielectric film which can avoid both boron leakage and an increase of the leak current, a semiconductor apparatus which has the dielectric film, a production method of the dielectric film and a production method of the semiconductor apparatus, a dielectric film layered product is applied which includes: a semiconductor substrate (2); a first hafnium-containing silicon oxide nitride layer (3a) made from a microcrystalline structure; a second hafnium-containing silicon oxide nitride layer (3b) made from a non-crystalline structure; and a layered film which is made from the first and second hafnium-containing silicon oxide nitride layers that are layered on the semiconductor substrate, and which has a nitrogen ratio of 15-40 atomic percent.
申请公布号 US7786539(B2) 申请公布日期 2010.08.31
申请号 US20080972729 申请日期 2008.01.11
申请人 ELPIDA MEMORY, INC. 发明人 KIYOMURA TAKAKAZU;OHASHI TAKUO
分类号 H01L29/78 主分类号 H01L29/78
代理机构 代理人
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