发明名称 Closed loop sputtering controlled to enhance electrical characteristics in deposited layer
摘要 This disclosure provides a method of fabricating a semiconductor device layer and an associated memory cell. Empirical data may be used to generate a hysteresis curve associated with deposition for a metal-insulator-metal structure, with curve measurements reflecting variance of an electrical property as a function of cathode voltage used during a sputtering process. By generating at least one voltage level to be used during the sputtering process, where the voltage reflects a suitable value for the electrical property from among the values obtainable in mixed-mode deposition, a semiconductor device layer may be produced with improved characteristics and durability. A multistable memory cell or array of such cells manufactured according to this process can, for a set of given materials, be fabricated to have minimal leakage or off current characteristics (Ileak or Ioff, respectively) or a maximum ratio of on current to off current (Ion/Ioff).
申请公布号 US2012256155(A1) 申请公布日期 2012.10.11
申请号 US201113249631 申请日期 2011.09.30
申请人 FRENCH WAYNE;KUMAR PRAGATI;PHATAK PRASHANT;CHIANG TONY;INTERMOLECULAR, INC. 发明人 FRENCH WAYNE;KUMAR PRAGATI;PHATAK PRASHANT;CHIANG TONY
分类号 H01L45/00 主分类号 H01L45/00
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