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US5492848A Stacked capacitor process using silicon nodules 失效
堆叠电容器工艺使用硅结节

Stacked capacitor process using silicon nodules
摘要:
A technique for making a MOST capacitor for use in a DRAM cell utilizes silicon nodules after metal etching. The silicon nodules are used as a mask to selectively form deep grooves in a polysilicon electrode of the capacitor.
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