Taiwan Semiconductor Manufacturing Comp. Ltd.

Han-Pin Chung

Shiang-Bau Wang

Bor Chiuan Hsieh

Tien-I Bao

Chih-Tang Peng

Ming-Jie Huang

Hun-Jan Tao

Ka-Hing Fung

Kuang-Yuan Hsu

Chien-Tai Chan

Chun-Fu Cheng

Hsien-Chin Lin

Shih-Syuan Huang

Hung-Kai Chen

Tsung-Hung Lee

Yu-Lien Huang

Matt Yeh

Jian-Shiou Huang

Chi-Kang Liu

Hui Ouyang

A semiconductor device and a method of forming a semiconductor device include forming a dielectric material, performing a wet oxidation treatment on the dielectric material, and performing a dry anneal on the dielectric material. The dielectric material may be a flowable material. The wet oxidation treatment may include an acid and oxidizer mixture.

Semiconductor device and method of forming thereof

A semiconductor structure and a method for forming the same are provided. The method includes forming a first protruding structure and a second protruding structure over a substrate, and forming a first insulation material layer on the first protruding structure and the second protruding structure. The method includes performing a pre-treatment process on the first insulation material layer to form a first treated insulation material layer, and forming a second insulation material layer on the first treated insulation material layer. The method includes performing a first insulation material conversion process on the first treated insulation material layer and the second insulation material layer. The first protruding structure and the second protruding structure are bent toward opposite directions during the first insulation material conversion process.

Method for forming semiconductor structure with high aspect ratio

A semiconductor structure and a method for forming the same are provided. The method includes forming a first protruding structure, a second protruding structure, and a third protruding structure over a substrate. The method also includes performing a depositing process to form a first insulation material layer between the first protruding structure and the second protruding structure. The method further includes performing a first insulation material conversion process onto the first insulation material layer to bend the first protruding structure and the second protruding structure toward opposite directions.

A method of fabricating a semiconductor device includes forming a plurality of semiconductor fins on a substrate. A liner layer is deposited on the semiconductor fins and on the substrate conformally. The semiconductor fins are patterned to form a plurality of active regions on the substrate after the liner layer is deposited.

Semiconductor device and manufacturing method thereof

A semiconductor structure and a method for forming the same are provided. The method includes forming a first insulation material layer in a portion of a trench between a first protruding structure and a second protruding structure over a substrate and performing a pre-treatment process on the first insulation material layer. The method further includes performing a first insulation material conversion process on the first insulation material layer and forming a second insulation material layer covering the first insulation material layer in the trench. In addition, a first distance between upper portions of the first protruding structure and the second protruding structure before performing the first insulation material conversion process is different from a second distance between the upper portions of the first protruding structure and the second protruding structure after performing the first insulation material conversion process.

A semiconductor device structure and a method for forming the same are provided. The semiconductor device structure includes a first fin structure protruding from the first region of the semiconductor substrate and having a first portion and a second portion over the first portion. The semiconductor device structure also includes a liner structure including a first insulating liner layer and second insulating liner layer. The first insulating liner layer has a bottom portion covering the semiconductor substrate and a sidewall portion covering a sidewall of the first portion of the first fin structure. The second insulating liner layer is over the bottom portion and the sidewall portion of the first insulating liner layer and extends on a top surface of the sidewall portion of the first insulating liner layer. The semiconductor device structure also includes an isolation feature over the liner structure.

FinFET device structure and method for enlarging gap-fill window

First and second fins are formed extending from a substrate. A first layer is formed over the first fin. The first layer comprises a first dopant. A portion of the first layer is removed from a tip portion of the first fin. A second layer is formed over the second fin. The second layer comprises a second dopant. One of the first and second dopants is a p-type dopant, and the other of the first and second dopants is an n-type dopant. A portion of the second layer is removed from a tip portion of the second fin. A solid phase diffusion process is performed to diffuse the first dopant into a non-tip portion of the first fin, and to diffuse the second dopant into a non-tip portion of the second fin.

Doping for FinFET

An integrated circuit structure includes a first gate strip; a gate spacer on a sidewall of the first gate strip; and a contact etch stop layer (CESL) having a bottom portion lower than a top surface of the gate spacer, wherein a portion of a sidewall of the gate spacer has no CESL formed thereon.

Sidewall free CESL for enlarging ILD gap-fill window

Sidewall-free CESL for enlarging ILD gap-fill window

The present disclosure provides a method of fabricating a semiconductor device that includes forming first and second gate structures over first and second regions of a substrate, respectively, forming spacers on sidewalls of the first and second gate structures, the spacers being formed of a first material, forming a capping layer over the first and second gate structures, the capping layer being formed of a second material different from the first material, forming a protection layer over the second region to protect the second gate structure, removing the capping layer over the first gate structure; removing the protection layer over the second region, epitaxially (epi) growing a semiconductor material on exposed portions of the substrate in the first region, and removing the capping layer over the second gate structure by an etching process that exhibits an etching selectivity of the second material to the first material.

Method of dual EPI process for semiconductor device

Method of dual epi process for semiconductor device

A method for fabricating an integrated device is disclosed. In an embodiment, a hard mask layer with a limited thickness is formed over a gate electrode layer. A treatment is provided to the hard mask layer to make the hard mask layer more resistant to a wet etch solution. Then, a patterning is provided on the treated hard mask layer and the gate electrode to from a gate structure.

Method of fabricating gate electrode using a treated hard mask

A method for forming an STI structure is provided. In one embodiment, a trench is formed in a substrate, the trench having a first sidewall and a second sidewall opposite the first sidewall, the sidewalls extending down to a bottom portion of the trench. An insulating material is deposited to line the surfaces of the sidewalls and the bottom portion. The insulating material proximate the top portions and the bottom portion of the trench are thereafter etched back. The insulating material is deposited to line the inside surfaces of the trench at a rate sufficient to allow a first protruding insulating material deposited on the first sidewall and a second protruding insulating material deposited on the second sidewall to approach theretogether. The steps of etching back and depositing are repeated to have the first and second protruding materials abut, thereby forming a void near the bottom of the trench.

Growing community of inventors

Fongshan, Taiwan

Han-Pin Chung