Abstract:
Embodiments of mechanisms for forming a metal-insulator-metal (MIM) capacitor structure are provided. The metal-insulator-metal capacitor structure includes a substrate. The MIM capacitor structure also includes a CBM layer formed on the substrate, and the CBM layer includes a bottom barrier layer, a main metal layer and a top barrier layer. The MIM capacitor structure further includes a first high-k dielectric layer formed on the CBM layer, an insulating layer formed on the first high-k dielectric layer and a second high-k dielectric layer formed on the insulating layer. The MIM capacitor structure also includes a CTM layer formed on the second high-k dielectric layer, and the CBM layer includes a bottom barrier layer, a main metal layer and a top barrier layer.
Abstract:
A semiconductor processing system is provided to form a capacitor dielectric layer in a metal-insulator-metal capacitor. The semiconductor processing system includes a precursor tank configured to generate a precursor gas from a metal organic solid precursor, a processing chamber configured to perform a plasma enhanced chemical vapor deposition, and at least one buffer tank between the precursor tank and the processing chamber. The at least one buffer tank is coupled to the precursor tank via a first pipe and coupled to the processing chamber via a second pipe.
Abstract:
A semiconductor processing system is provided to form a capacitor dielectric layer in a metal-insulator-metal capacitor. The semiconductor processing system includes a precursor tank configured to generate a precursor gas from a metal organic solid precursor, a processing chamber configured to perform a plasma enhanced chemical vapor deposition, and at least one buffer tank between the precursor tank and the processing chamber. The at least one buffer tank is coupled to the precursor tank via a first pipe and coupled to the processing chamber via a second pipe.
Abstract:
The semiconductor device includes a substrate, a bottom electrode, a capacitor dielectric layer, a top electrode, an etching stop layer, a first anti-reflective coating layer and a capping layer. The bottom electrode is on the substrate. The capacitor dielectric layer is on the bottom electrode. The capacitor dielectric layer has a first region and a second region adjacent to the first region. The top electrode is on the first region of the capacitor dielectric layer. The etching stop layer is on the top electrode. The first anti-reflective coating layer is on the etching stop layer, in which the first anti-reflective coating layer, the etching stop layer and the top electrode together have a sidewall. The capping layer overlies the sidewall, the etching stop layer, the second region of the capacitor dielectric layer, in which the capping layer is formed from oxide or nitride.
Abstract:
A metal-insulator-metal (MIM) capacitor structure and method for forming MIM capacitor structure are provided. The MIM capacitor structure includes a substrate and a metal-insulator-metal (MIM) capacitor formed on the substrate. The MIM capacitor includes a capacitor top metal (CTM) layer, a capacitor bottom metal (CBM) layer and an insulator formed between the CTM layer and the CBM layer. The insulator includes an insulating layer and a first high-k dielectric layer, and the insulating layer includes a nitride layer and an oxide layer, and the nitride layer is formed between the first high-k dielectric layer and the oxide layer.