发明授权
US06890815B2 Reduced cap layer erosion for borderless contacts 失效
减少无边界接触的盖层侵蚀

Reduced cap layer erosion for borderless contacts
摘要:
A method of forming borderless contacts and a borderless contact structure for semiconductor devices. A preferred embodiment comprises using a second etch selectivity material disposed over a first etch selectivity material to preserve the first etch selectivity material during the etch processes for the various material layers of the semiconductor device while forming the borderless contacts.
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