Taiwan Semiconductor Manufacturing Comp. Ltd.

Sen-Hong Syue

Szu-Ying Chen

Huicheng Chang

Yee-Chia Yeo

Cheng-Po Chau

Chii-Ming M Wu

Cheng-Ta Wu

Wen-Kai Lin

Li-Chi Yu

Yoh-Rong Liu

Chi On Chui

Yung-Cheng Lu

Li-Ting Wang

Shiang-Bau Wang

Che-Hao Chang

Ya-Wen Chiu

Yi Che Chan

Chih Ping Liao

YungHao Wang

Chun-Feng Nieh

Yu-Chang Lin

Pu-Fang Chen

Tien-Shun Chang

Chun Hsiung Tsai

Ziwei Fang

Chi-Cherng Jeng

Liang-Yin Chen

Chia-Cheng Chen

Ru-Shang Hsiao

Yi-Fan Chen

Bor Chiuan Hsieh

Chen-Fong Tsai

Cheng-I Chu

Po-Kang Ho

Yi-Rui Chen

Chung-chun Ho

Hung Pin Chen

A method includes: transporting a wafer to an apparatus, the apparatus including: a first chamber configured to receive the wafer and a first gas; a second chamber surrounding the first chamber and configured to receive a second gas; a plurality of gas inlets on a chamber wall of the second chamber; and a plurality of gas vents on the chamber wall of the second chamber; heating the first chamber while keeping a gas pressure difference between the first chamber and the second chamber within a tolerance limit; and cooling the first chamber by exchanging the second gas in the second chamber while keeping the gas pressure difference within the tolerance limit.

Annealing apparatus and method of operating the same

A method includes forming a first plurality of fins in a first region of a substrate, a first recess being interposed between adjacent fins in the first region of the substrate, the first recess having a first depth and a first width, forming a second plurality of fins in a second region of the substrate, a second recess being interposed between adjacent fins in the second region of the substrate, the second recess having a second depth and a second width, the second width of the second recess being less than the first width of the first recess, the second depth of the second recess being less than the first depth of the first recess, forming a first dielectric layer in the first recess and the second recess, and converting the first dielectric layer in the first recess and the second recess to a treated dielectric layer.

Shallow trench isolation forming method and structures resulting therefrom

In an embodiment, a method includes: etching a trench in a substrate; depositing a liner material in the trench with an atomic layer deposition process; depositing a flowable material on the liner material and in the trench with a contouring flowable chemical vapor deposition process; converting the liner material and the flowable material to a solid insulation material, a portion of the trench remaining unfilled by the solid insulation material; and forming a hybrid fin in the portion of the trench unfilled by the solid insulation material.

Transistor isolation regions and methods of forming the same

A method of forming a semiconductor device includes etching trenches in a substrate to form fin structures, depositing a liner layer to line the trenches, filling the trenches with an insulating layer, performing an ion implantation process to the insulating layer, after performing the ion implantation process, recessing the insulating layer to form shallow trench isolation (STI) regions adjacent the fin structures, and forming a gate crossing the fin structures.

Formation method of shallow trench isolation

In an embodiment, a method includes forming a plurality of fins adjacent to a substrate, the plurality of fins comprising a first fin, a second fin, and a third fin; forming a first insulation material adjacent to the plurality of fins; reducing a thickness of the first insulation material; after reducing the thickness of the fist insulation material, forming a second insulation material adjacent to the first insulation material and the plurality of fins; and recessing the first insulation material and the second insulation material to form a first shallow trench isolation (STI) region.

Semiconductor device and method of forming same

A method of forming a semiconductor device includes forming a sacrificial gate structure over a substrate, depositing a spacer layer on the sacrificial gate structure in a conformal manner, performing a multi-step oxidation process to the spacer layer, etching the spacer layer to form gate sidewall spacers on opposite sidewalls of the sacrificial gate structure, removing the sacrificial gate structure to form a trench between the gate sidewalls spacers, and forming a metal gate structure in the trench.

Gate spacer and formation method thereof

A method of manufacturing a semiconductor device includes forming a multi-layer stack of alternating first layers of a first semiconductor material and second layers of a second semiconductor material on a semiconductor substrate, forming a first recess through the multi-layer stack, and laterally recessing sidewalls of the second layers of the multi-layer stack. The sidewalls are adjacent to the first recess. The method further includes forming inner spacers with respective seams adjacent to the recessed second layers of the multi-layer stack and performing an anneal treatment on the inner spacers to close the respective seams.

Method for manufacturing semiconductor device including annealing treatment of inner spacer layer

Embodiment methods for performing a high pressure anneal process during the formation of a semiconductor device, and embodiment devices therefor, are provided. The high pressure anneal process may be a dry high pressure anneal process in which a pressurized environment of the anneal includes one or more process gases. The high pressure anneal process may be a wet anneal process in which a pressurized environment of the anneal includes steam.

Device and method for high pressure anneal

Embodiments include nanostructure devices and methods of forming nanostructure devices which include a treatment process to expand a sidewall spacer material to close a seam in the sidewall spacer material after deposition. The treatment process includes oxidation anneal and heat anneal to expand the sidewall spacer material and crosslink the open seam to form a closed seam, lower k-value, and decrease density.

Method of forming a nano-FET semiconductor device

In an embodiment, a method includes forming a plurality of fins adjacent to a substrate, the plurality of fins comprising a first fin, a second fin, and a third fin; forming a first insulation material adjacent to the plurality of fins; reducing a thickness of the first insulation material; after reducing the thickness of the first insulation material, forming a second insulation material adjacent to the first insulation material and the plurality of fins; and recessing the first insulation material and the second insulation material to form a first shallow trench isolation (STI) region.

A device includes a first semiconductor fin extending from a substrate, a second semiconductor fin extending from the substrate, a dielectric fin over the substrate, a first isolation region between the first semiconductor fin and the dielectric fin, and a second isolation region between the first semiconductor fin and the second semiconductor fin. The first semiconductor fin is disposed between the second semiconductor fin and the dielectric fin. The first isolation region has a first concentration of an impurity. The second isolation region has a second concentration of the impurity. The second concentration is less than the first concentration. A top surface of the second isolation region is disposed closer to the substrate than a top surface of the first isolation region.

Semiconductor structure and method of forming the same

A method includes forming a first trench and a second trench in a semiconductor substrate; forming a first mask over the semiconductor substrate, wherein the first mask is disposed in a first portion of the first trench and exposes the second trench and a second portion of the first trench; after forming the first mask, deepening the second trench and the second portion of the first trench; after deepening the second trench and the second portion of the first trench, removing the first mask; and after removing the first mask, filling a dielectric material in both the first and second trenches.

Method for forming semiconductor device having isolation structures with different thicknesses

Semiconductor device and method

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Zhubei, Taiwan

Sen-Hong Syue