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公开(公告)号:US20160126091A1
公开(公告)日:2016-05-05
申请号:US14532015
申请日:2014-11-04
Applicant: UNITED MICROELECTRONICS CORP.
Inventor: Ted Ming-Lang Guo , Chin-Cheng Chien , Chueh-Yang Liu , Neng-Hui Yang
IPC: H01L21/02 , H01L21/311
CPC classification number: H01L21/02334 , H01L21/0206 , H01L21/02181 , H01L21/02307 , H01L21/28211 , H01L21/31111 , H01L21/31144 , H01L29/513 , H01L29/517 , H01L29/518
Abstract: A cleaning process for oxide includes the following step. A substrate having a first area and a second area is provided. A first oxide layer is formed on the substrate of the first area and the second area. An ammonium hydroxide (NH4OH) and hydrogen peroxide (H2O2) containing process is performed on the first oxide layer of the first area and the second area. A photoresist layer covers the first oxide layer of the first area while exposing the first oxide layer of the second area. The first oxide layer of the second area is removed. The photoresist layer is then removed.
Abstract translation: 氧化物的清洗方法包括以下步骤。 提供具有第一区域和第二区域的衬底。 在第一区域和第二区域的基板上形成第一氧化物层。 在第一区域和第二区域的第一氧化物层上进行含有氢氧化铵(NH 4 OH)和过氧化氢(H 2 O 2)的工艺。 光致抗蚀剂层覆盖第一区域的第一氧化物层,同时暴露第二区域的第一氧化物层。 去除第二区域的第一氧化物层。 然后除去光致抗蚀剂层。
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公开(公告)号:US09076652B2
公开(公告)日:2015-07-07
申请号:US13902870
申请日:2013-05-27
Applicant: UNITED MICROELECTRONICS CORP.
Inventor: Ming-Hua Chang , Chun-Yuan Wu , Chin-Cheng Chien , Tien-Wei Yu , Yu-Shu Lin , Szu-Hao Lai
CPC classification number: H01L29/7848 , H01L21/0245 , H01L21/02532 , H01L21/0262 , H01L21/02639 , H01L21/3003 , H01L21/30604 , H01L21/324 , H01L29/0847 , H01L29/161 , H01L29/165 , H01L29/66636
Abstract: A semiconductor process includes the following steps. Two gates are formed on a substrate. A recess is formed in the substrate beside the gates. A surface modification process is performed on a surface of the recess to modify the shape of the recess and change the contents of the surface.
Abstract translation: 半导体工艺包括以下步骤。 在基板上形成两个栅极。 在栅极旁边的基板中形成凹部。 在凹部的表面上进行表面改性处理,以改变凹部的形状并改变表面的内容物。
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公开(公告)号:US09034705B2
公开(公告)日:2015-05-19
申请号:US13850887
申请日:2013-03-26
Applicant: United Microelectronics Corp.
Inventor: Tsai-Yu Wen , Tsuo-Wen Lu , Yu-Ren Wang , Chin-Cheng Chien , Tien-Wei Yu , Hsin-Kuo Hsu , Yu-Shu Lin , Szu-Hao Lai , Ming-Hua Chang
IPC: H01L21/8238 , H01L21/8234
CPC classification number: H01L21/823814 , H01L21/823412 , H01L21/823425 , H01L21/823807 , Y10S438/938
Abstract: A method of forming a semiconductor device is disclosed. At least one gate structure is provided on a substrate, wherein the gate structure includes a first spacer formed on a sidewall of a gate. A first disposable spacer material layer is deposited on the substrate covering the gate structure. The first disposable spacer material layer is etched to form a first disposable spacer on the first spacer. A second disposable spacer material layer is deposited on the substrate covering the gate structure. The second disposable spacer material layer is etched to form a second disposable spacer on the first disposable spacer. A portion of the substrate is removed, by using the first and second disposable spacers as a mask, so as to form two recesses in the substrate beside the gate structure. A stress-inducing layer is formed in the recesses.
Abstract translation: 公开了一种形成半导体器件的方法。 至少一个栅极结构设置在衬底上,其中栅极结构包括形成在栅极的侧壁上的第一间隔物。 在覆盖栅极结构的衬底上沉积第一一次性间隔物层。 第一一次性间隔物材料层被蚀刻以在第一间隔物上形成第一一次性间隔物。 在覆盖栅极结构的衬底上沉积第二一次性间隔物材料层。 蚀刻第二一次性间隔材料层以在第一一次性间隔件上形成第二一次性间隔件。 通过使用第一和第二一次性间隔件作为掩模来去除衬底的一部分,以在栅极结构旁边的衬底中形成两个凹部。 在凹部中形成应力诱导层。
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公开(公告)号:US20140349467A1
公开(公告)日:2014-11-27
申请号:US13902870
申请日:2013-05-27
Applicant: UNITED MICROELECTRONICS CORP.
Inventor: Ming-Hua Chang , Chun-Yuan Wu , Chin-Cheng Chien , Tien-Wei Yu , Yu-Shu Lin , Szu-Hao Lai
IPC: H01L21/02
CPC classification number: H01L29/7848 , H01L21/0245 , H01L21/02532 , H01L21/0262 , H01L21/02639 , H01L21/3003 , H01L21/30604 , H01L21/324 , H01L29/0847 , H01L29/161 , H01L29/165 , H01L29/66636
Abstract: A semiconductor process includes the following steps. Two gates are formed on a substrate. A recess is formed in the substrate beside the gates. A surface modification process is performed on a surface of the recess to modify the shape of the recess and change the contents of the surface.
Abstract translation: 半导体工艺包括以下步骤。 在基板上形成两个栅极。 在栅极旁边的基板中形成凹部。 在凹部的表面上进行表面改性处理,以改变凹部的形状并改变表面的内容物。
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公开(公告)号:US08853060B1
公开(公告)日:2014-10-07
申请号:US13902862
申请日:2013-05-27
Applicant: United Microelectronics Corp.
Inventor: Szu-Hao Lai , Chun-Yuan Wu , Chin-Cheng Chien , Tien-Wei Yu , Ming-Hua Chang , Yu-Shu Lin , Tsai-Yu Wen , Hsin-Kuo Hsu
CPC classification number: H01L21/02532 , H01L21/0237 , H01L21/0245 , H01L21/02579 , H01L21/0262 , H01L21/02639 , H01L29/0847 , H01L29/165 , H01L29/66636 , H01L29/7848
Abstract: An epitaxial process includes the following step. A recess is formed in a substrate. A seeding layer is formed to cover a surface of the recess. A buffer layer is formed on the seeding layer. An etching process is performed on the buffer layer to homogenize and shape the buffer layer. An epitaxial layer is formed on the homogenized flat bottom shape buffer layer.
Abstract translation: 外延工艺包括以下步骤。 在基板上形成凹部。 形成接合层以覆盖凹部的表面。 在接种层上形成缓冲层。 对缓冲层进行蚀刻处理,使缓冲层均匀化并形成。 在均质化的平底形状缓冲层上形成外延层。
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公开(公告)号:US20140235038A1
公开(公告)日:2014-08-21
申请号:US14260294
申请日:2014-04-24
Applicant: UNITED MICROELECTRONICS CORP.
Inventor: Chin-I Liao , Teng-Chun Hsuan , Chin-Cheng Chien
IPC: H01L21/02
CPC classification number: H01L29/165 , H01L21/02532 , H01L21/0262 , H01L21/02639 , H01L21/823412 , H01L21/823418 , H01L27/088 , H01L29/66636 , H01L29/7834 , H01L29/7848
Abstract: A method for forming epitaxial layer is disclosed. The method includes the steps of providing a semiconductor substrate, and forming an undoped first epitaxial layer in the semiconductor substrate. Preferably, the semiconductor substrate includes at least a recess, the undoped first epitaxial layer has a lattice constant, a bottom thickness, and a side thickness, in which the lattice constant is different from a lattice constant of the semiconductor substrate and the bottom thickness is substantially larger than or equal to the side thickness.
Abstract translation: 公开了一种用于形成外延层的方法。 该方法包括提供半导体衬底以及在半导体衬底中形成未掺杂的第一外延层的步骤。 优选地,半导体衬底至少包括凹部,未掺杂的第一外延层具有晶格常数,底部厚度和侧面厚度,其中晶格常数不同于半导体衬底的晶格常数,底部厚度为 基本上大于或等于侧厚度。
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公开(公告)号:US20140117455A1
公开(公告)日:2014-05-01
申请号:US13662561
申请日:2012-10-29
Applicant: UNITED MICROELECTRONICS CORP.
Inventor: Chih-Chien Liu , Chun-Yuan Wu , Chin-Fu Lin , Chin-Cheng Chien , Chia-Lin Hsu
IPC: H01L21/336 , H01L29/78
CPC classification number: H01L29/785 , H01L21/02225 , H01L21/764 , H01L27/11 , H01L29/66484 , H01L29/66795
Abstract: A multigate field effect transistor includes two fin-shaped structures and a dielectric layer. The fin-shaped structures are located on a substrate. The dielectric layer covers the substrate and the fin-shaped structures. At least two voids are located in the dielectric layer between the two fin-shaped structures. Moreover, the present invention also provides a multigate field effect transistor process for forming said multigate field effect transistor including the following steps. Two fin-shaped structures are formed on a substrate. A dielectric layer covers the substrate and the two fin-shaped structures, wherein at least two voids are formed in the dielectric layer between the two fin-shaped structures.
Abstract translation: 多栅场效应晶体管包括两个鳍状结构和介电层。 鳍状结构位于基底上。 电介质层覆盖基板和鳍状结构。 在两个鳍状结构之间的电介质层中至少有两个空隙。 此外,本发明还提供了一种用于形成所述多栅极场效应晶体管的多栅场效应晶体管工艺,包括以下步骤。 在基板上形成两个鳍状结构。 介电层覆盖基板和两个鳍状结构,其中在两个鳍状结构之间的电介质层中形成至少两个空隙。
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公开(公告)号:US20130288446A1
公开(公告)日:2013-10-31
申请号:US13928366
申请日:2013-06-26
Applicant: UNITED MICROELECTRONICS CORP.
Inventor: Ted Ming-Lang Guo , Chin-Cheng Chien , Shu-Yen Chan , Ling-Chun Chou , Tsung-Hung Chang , Chun-Yuan Wu
IPC: H01L29/66
CPC classification number: H01L29/66477 , H01L29/6653 , H01L29/66545 , H01L29/7843 , H01L29/7847
Abstract: A semiconductor structure including a substrate and a gate structure disposed on the substrate is disclosed. The gate structure includes a gate dielectric layer disposed on the substrate, a gate material layer disposed on the gate dielectric layer and an outer spacer with a rectangular cross section. The top surface of the outer spacer is lower than the top surface of the gate material layer.
Abstract translation: 公开了一种包括衬底和设置在衬底上的栅极结构的半导体结构。 栅极结构包括设置在基板上的栅极介质层,设置在栅极介电层上的栅极材料层和具有矩形横截面的外部间隔物。 外隔离物的顶表面比栅极材料层的顶表面低。
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公开(公告)号:US20130228836A1
公开(公告)日:2013-09-05
申请号:US13869037
申请日:2013-04-24
Applicant: UNITED MICROELECTRONICS CORP.
Inventor: Shih-Hung Tsai , Chien-Ting Lin , Chin-Cheng Chien , Chin-Fu Lin , Chih-Chien Liu , Teng-Chun Tsai , Chun-Yuan Wu
IPC: H01L29/78
CPC classification number: H01L29/785 , H01L29/66795
Abstract: A non-planar semiconductor structure includes a substrate, at least two fin-shaped structures, at least an isolation structure, and a plurality of epitaxial layers. The fin-shaped structures are located on the substrate. The isolation structure is located between the fin-shaped structures, and the isolation structure has a nitrogen-containing layer. The epitaxial layers respectively cover a part of the fin-shaped structures and are located on the nitrogen-containing layer. Anon-planar semiconductor process is also provided for forming the semiconductor structure.
Abstract translation: 非平面半导体结构包括衬底,至少两个鳍状结构,至少一个隔离结构和多个外延层。 鳍状结构位于基底上。 隔离结构位于鳍状结构之间,隔离结构具有含氮层。 外延层分别覆盖了鳍状结构的一部分并且位于含氮层上。 还提供了用于形成半导体结构的非平面半导体工艺。
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公开(公告)号:US10381228B2
公开(公告)日:2019-08-13
申请号:US14631807
申请日:2015-02-25
Applicant: UNITED MICROELECTRONICS CORP.
Inventor: Yu-Ying Lin , Ted Ming-Lang Guo , Chin-Cheng Chien , Chih-Chien Liu , Hsin-Kuo Hsu , Chin-Fu Lin , Chun-Yuan Wu
IPC: H01L21/306 , H01L21/3065 , H01L29/08 , H01L29/66 , H01L29/78
Abstract: An epitaxial process applying light illumination includes the following steps. A substrate is provided. A dry etching process and a wet etching process are performed to form a recess in the substrate, wherein an infrared light illuminates while the wet etching process is performed. An epitaxial structure is formed in the recess.
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