摘要:
A semiconductor device according to an aspect of the present invention comprises a semiconductor substrate, a ferroelectric capacitor, a protective film and an auxiliary capacitor. The ferroelectric capacitor is provided above the semiconductor substrate and comprises an upper electrode, a lower electrode and a ferroelectric film interposed between the upper and lower electrodes. The protective film is formed, covering the ferroelectric capacitor. The auxiliary capacitor is provided in a circuit section peripheral to the ferroelectric capacitor and uses the protective film as capacitor insulating film.
摘要:
Disclosed is a method of manufacturing a semiconductor device, comprising forming a bottom electrode film of a capacitor above a semiconductor substrate, forming a dielectric film of the capacitor on the bottom electrode film, forming a top electrode film of the capacitor on the dielectric film, and forming a hydrogen barrier film after forming the top electrode film, the hydrogen barrier film preventing hydrogen from diffusing into the dielectric film, wherein forming the hydrogen barrier film includes forming an oxide film containing silicon and nitriding the oxide film.
摘要:
A semiconductor device comprises a semiconductor substrate including a diffusion area, a capacitor provided above the semiconductor substrate and including a lower electrode, a dielectric film, and an upper electrode, a plug provided between the semiconductor substrate and the capacitor and having a lower end connected to the diffusion area and an upper end connected to the lower electrode, and a dummy plug provided between the semiconductor substrate and the capacitor and having a lower end not connected to the diffusion area and an upper end connected to the lower electrode.
摘要:
An apparatus for manufacturing a semiconductor device is disclosed which comprises a chamber which holds a to-be-processed substrate having a film containing at least one kind of metal element which will become a component of a volatile metal compound, a heater which heats the substrate held in the chamber, and an adsorbent which is provided in the chamber and which adsorbs the volatile metal compound generated from the film by heating the substrate.
摘要:
A semiconductor device including a semiconductor substrate, a capacitor formed above the semiconductor substrate, a first interlayer insulating film formed above the capacitor and having a trench, a wiring formed above the capacitor and formed in the trench, the wiring have a top surface flush with a top surface of the first interlayer insulating film, a first hydrogen barrier film formed in contact with the top surface of the wiring and the top surface of the first interlayer insulating film and preventing hydrogen from diffusing into the capacitor and a second interlayer insulating film formed on the first hydrogen barrier film.
摘要:
A semiconductor device comprises a semiconductor substrate including a diffusion area, a capacitor provided above the semiconductor substrate and including a lower electrode, a dielectric film, and an upper electrode, a plug provided between the semiconductor substrate and the capacitor and having a lower end connected to the diffusion area and an upper end connected to the lower electrode, and a dummy plug provided between the semiconductor substrate and the capacitor and having a lower end not connected to the diffusion area and an upper end connected to the lower electrode.
摘要:
A semiconductor device according to the present invention comprises a capacitor including a lower electrode, a dielectric material, and an upper electrode. The device further comprises a first protective film which contacts the upper electrode to constitute a columnar structure of films formed by a sputtering process and a second protective film formed above the first protective film by a CVD process.
摘要:
An apparatus for manufacturing a semiconductor device is disclosed which comprises a chamber which holds a to-be-processed substrate having a film containing at least one kind of metal element which will become a component of a volatile metal compound, a heater which heats the substrate held in the chamber, and an adsorbent which is provided in the chamber and which adsorbs the volatile metal compound generated from the film by heating the substrate.
摘要:
According to an aspect of the present invention, there is provided a semiconductor device comprising a semiconductor substrate, a capacitor which is disposed above the semiconductor substrate and in which a dielectric film is held between lower and upper electrodes, an oxide film formed in such a manner as to coat the capacitor and having a thickness of 5 nm or more and 50 nm or less, and a protective film formed on the oxide film by an ALD process.
摘要:
Disclosed is a semiconductor device comprising a semiconductor substrate, and a capacitor provided above the semiconductor substrate and including a film which contains Pb, Sr, Zr, Ti, Ru and O and a dielectric film which contains Pb, Zr, Ti and O and which is provided on the film containing Pb, Sr, Zr, Ti, Ru and O.