Invention Grant
US06437392B1 Article comprising a dielectric material of ZR-Ge-Ti-O or Hf-Ge-Ti-O and method of making the same 有权
包含ZR-Ge-Ti-O或Hf-Ge-Ti-O的介电材料的制品及其制造方法

Article comprising a dielectric material of ZR-Ge-Ti-O or Hf-Ge-Ti-O and method of making the same
Abstract:
The invention relates to dielectric materials comprising films of R—Ge—Ti—O where R is selected from Zr and Hf, and to methods of making the same. The dielectric material preferably has the formula Rx—Gey—Tiz—Ow where 0.05≧x≦1, 0.05≧y≦1, 0.1≧z≦1, and 1≧w≦2, and x+y+z≅1, and more preferably, where 0.15≧x≦0.7, 0.05≧y≦0.3, 0.25≧z≦0.7, and 1.95≧w≦2.05, and x+y+z≅1. The invention is particularly useful in silicon-chip integrated circuit devices including a capacitor of a dynamic random access memory (DRAM) device.
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