Patent classifications
H10D64/01354
Metal gate structure of high-voltage device and method for making the same
The present application provides a metal gate structure of a high-voltage device and a method for making the same, forming a dummy gate on the gate oxide layer, wherein the dummy gate is composed of a plurality of polysilicon structures spaced apart from each other; forming a protective layer on sidewalls of the plurality of polysilicon structures and on the gate oxide layer between the polysilicon structures; performing covering with an insulating layer to fill a region between the polysilicon structures, wherein the filled region forms an insulating structure; removing the polysilicon structure to form a groove; forming a metal layer, wherein the metal layer covers the insulating structure and fills the groove; and polishing the surface of the metal layer, wherein the insulating structure, the protective layer, and the metal layer form a metal gate with a planarized surface.
Fin patterning for advanced integrated circuit structure fabrication
Embodiments of the disclosure are in the field of advanced integrated circuit structure fabrication and, in particular, 10 nanometer node and smaller integrated circuit structure fabrication and the resulting structures. In an example, an integrated circuit structure includes a first plurality of semiconductor fins having a longest dimension along a first direction. Adjacent individual semiconductor fins of the first plurality of semiconductor fins are spaced apart from one another by a first amount in a second direction orthogonal to the first direction. A second plurality of semiconductor fins has a longest dimension along the first direction. Adjacent individual semiconductor fins of the second plurality of semiconductor fins are spaced apart from one another by the first amount in the second direction, and closest semiconductor fins of the first plurality of semiconductor fins and the second plurality of semiconductor fins are spaced apart by a second amount in the second direction.
FIN PATTERNING FOR ADVANCED INTEGRATED CIRCUIT STRUCTURE FABRICATION
Embodiments of the disclosure are in the field of advanced integrated circuit structure fabrication and, in particular, 10 nanometer node and smaller integrated circuit structure fabrication and the resulting structures. In an example, an integrated circuit structure includes a first plurality of semiconductor fins having a longest dimension along a first direction. Adjacent individual semiconductor fins of the first plurality of semiconductor fins are spaced apart from one another by a first amount in a second direction orthogonal to the first direction. A second plurality of semiconductor fins has a longest dimension along the first direction. Adjacent individual semiconductor fins of the second plurality of semiconductor fins are spaced apart from one another by the first amount in the second direction, and closest semiconductor fins of the first plurality of semiconductor fins and the second plurality of semiconductor fins are spaced apart by a second amount in the second direction.
Continuous gate and fin spacer for advanced integrated circuit structure fabrication
Embodiments of the disclosure are in the field of advanced integrated circuit structure fabrication and, in particular, 10 nanometer node and smaller integrated circuit structure fabrication and the resulting structures. In an example, an integrated circuit structure includes a fin. An insulating structure is directly adjacent sidewalls of the lower fin portion of the fin. A first gate electrode is over the upper fin portion and over a first portion of the insulating structure. A second gate electrode is over the upper fin portion and over a second portion of the insulating structure. A first dielectric spacer is along a sidewall of the first gate electrode. A second dielectric spacer is along a sidewall of the second gate electrode, the second dielectric spacer continuous with the first dielectric spacer over a third portion of the insulating structure between the first gate electrode and the second gate electrode.