Patent ID: 9373680
Filing Date: 2016-06-21
CPC Classification: H01L

Claim Text:
1. A method comprising: disposing a dielectric layer over an interlayer dielectric (ILD), the ILD including a contact therethrough in a first region; forming a capacitor trench in the dielectric layer in a second region; forming a metal-oxide-metal (“MIM”) hard mask by: forming a metal line trench through the MIM hard mask in the first region, including over the contact, while the second region is masked; removing portions of the MIM hard mask in the capacitor trench to expose a portion of the ILD, wherein a remaining portion of the first metal hard mask comprises a bottom plate of an MIM capacitor; forming a planarization layer overlying the first and second regions, wherein the planarization layer comprises an organic material; forming a photoresist overlying the planarization layer and the bottom plate; and etching the second metal hard mask down to the oxide hard mask of the MIM hard mask in the capacitor trench using the photoresist as a mask.