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1. 发明授权

US08384159B2 Semiconductor devices and methods with bilayer dielectrics 有权
标题翻译：具有双层电介质的半导体器件和方法
公开(公告)号：US08384159B2
公开(公告)日：2013-02-26
申请号：US12426477
申请日：2009-04-20
申请人： Fong-Yu Yen , Cheng-Lung Hung , Peng-Fu Hsu , Vencent S. Chang , Yong-Tian Hou , Jin Ying , Hun-Jan Tao
发明人： Fong-Yu Yen , Cheng-Lung Hung , Peng-Fu Hsu , Vencent S. Chang , Yong-Tian Hou , Jin Ying , Hun-Jan Tao
IPC分类号： H01L29/76 , H01L29/94 , H01L31/062 , H01L31/113 , H01L31/119
CPC分类号： H01L29/513 , H01L21/28088 , H01L21/28185 , H01L21/28194 , H01L29/4966 , H01L29/518
摘要： A semiconductor device is disclosed that includes: a substrate; a first dielectric layer formed over the substrate and formed of a first high-k material, the first high-k material selected from the group consisting of HfO2, HfSiO, HfSiON, HfTaO, HfTiO, HfTiTaO, HfAlON, and HfZrO; a second dielectric layer formed over the first dielectric layer and formed of a second high-k material, the second high-k material being different than the first high-k material and selected from the group consisting of HfO2, HfSiO, HfSiON, HfTaO, HfTiO, HfTiTaO, HfAlON, and HfZrO; and a metal gate formed over the second dielectric layer. The first dielectric layer includes ions selected from the group consisting of N, O, and Si.
摘要翻译：公开了一种半导体器件，包括：衬底; 形成在所述衬底上并由第一高k材料形成的第一介电层，所述第一高k材料选自HfO 2，HfSiO，HfSiON，HfTaO，HfTiO，HfTiTaO，HfAlON和HfZrO; 形成在所述第一介电层上并由第二高k材料形成的第二介电层，所述第二高k材料不同于所述第一高k材料并选自HfO 2，HfSiO，HfSiON，HfTaO， HfTiO，HfTiTaO，HfAlON和HfZrO; 以及形成在第二介电层上的金属栅极。第一电介质层包括选自N，O和Si的离子。

2. 发明授权

US07531399B2 Semiconductor devices and methods with bilayer dielectrics 有权
标题翻译：具有双层电介质的半导体器件和方法
公开(公告)号：US07531399B2
公开(公告)日：2009-05-12
申请号：US11532308
申请日：2006-09-15
申请人： Fong-Yu Yen , Cheng-Lung Hung , Peng-Fu Hsu , Vencent S. Chang , Yong-Tian Hou , Jin Ying , Hun-Jan Tao
发明人： Fong-Yu Yen , Cheng-Lung Hung , Peng-Fu Hsu , Vencent S. Chang , Yong-Tian Hou , Jin Ying , Hun-Jan Tao
IPC分类号： H01L21/8238
CPC分类号： H01L29/513 , H01L21/28088 , H01L21/28185 , H01L21/28194 , H01L29/4966 , H01L29/518
摘要： A semiconductor device is disclosed that includes: a substrate; a first high-k dielectric layer; a second high-k dielectric layer formed of a different high-k material; and a metal gate. In another form, a method of forming a semiconductor device is disclosed that includes: providing a substrate; forming a first high-k dielectric layer above the substrate; forming a second dielectric layer of a different high-k material above the first dielectric layer; and forming a gate structure above the second dielectric layer. In yet another form, a method of forming a semiconductor device is disclosed that includes: providing a substrate; forming an interfacial layer above the substrate; forming a first high-k dielectric layer above the interfacial layer; performing a nitridation technique; performing an anneal; forming a second high-k dielectric layer of a different high-k material above the first dielectric layer; and forming a metal gate structure above the second dielectric layer.
摘要翻译：公开了一种半导体器件，包括：衬底; 第一高k电介质层; 由不同的高k材料形成的第二高k电介质层; 和金属门。在另一种形式中，公开了一种形成半导体器件的方法，包括：提供衬底; 在所述衬底上形成第一高k电介质层; 在所述第一介电层上形成不同高k材料的第二电介质层; 以及在所述第二电介质层上形成栅极结构。在另一种形式中，公开了一种形成半导体器件的方法，其包括：提供衬底; 在基底上形成界面层; 在界面层上形成第一高k电介质层; 进行氮化技术; 进行退火; 在所述第一介电层上形成不同高k材料的第二高k电介质层; 以及在所述第二电介质层上方形成金属栅极结构。

3. 发明申请

US20090315125A1 SEMICONDUCTOR DEVICES AND METHODS WITH BILAYER DIELECTRICS 有权
标题翻译：半导体器件和方法与双极电介质
公开(公告)号：US20090315125A1
公开(公告)日：2009-12-24
申请号：US12426477
申请日：2009-04-20
申请人： Fong-Yu YEN , Cheng-Lung HUNG , Peng-Fu HSU , Vencent S. CHANG , Yong-Tian HOU , Jin YING , Hun-Jan TAO
发明人： Fong-Yu YEN , Cheng-Lung HUNG , Peng-Fu HSU , Vencent S. CHANG , Yong-Tian HOU , Jin YING , Hun-Jan TAO
IPC分类号： H01L29/78
CPC分类号： H01L29/513 , H01L21/28088 , H01L21/28185 , H01L21/28194 , H01L29/4966 , H01L29/518
摘要： A semiconductor device is disclosed that includes: a substrate; a first dielectric layer formed over the substrate and formed of a first high-k material, the first high-k material selected from the group consisting of HfO2, HfSiO, HfSiON, HfTaO, HfTiO, HfTiTaO, HfAlON, and HfZrO; a second dielectric layer formed over the first dielectric layer and formed of a second high-k material, the second high-k material being different than the first high-k material and selected from the group consisting of HfO2, HfSiO, HfSiON, HfTaO, HfTiO, HfTiTaO, HfAlON, and HfZrO; and a metal gate formed over the second dielectric layer. The first dielectric layer includes ions selected from the group consisting of N, O, and Si.
摘要翻译：公开了一种半导体器件，包括：衬底; 形成在所述衬底上并由第一高k材料形成的第一介电层，所述第一高k材料选自HfO 2，HfSiO，HfSiON，HfTaO，HfTiO，HfTiTaO，HfAlON和HfZrO; 形成在所述第一介电层上并由第二高k材料形成的第二介电层，所述第二高k材料不同于所述第一高k材料并选自HfO 2，HfSiO，HfSiON，HfTaO， HfTiO，HfTiTaO，HfAlON和HfZrO; 以及形成在第二介电层上的金属栅极。第一电介质层包括选自N，O和Si的离子。

4. 发明申请

US20080070395A1 SEMICONDUCTOR DEVICES AND METHODS WITH BILAYER DIELECTRICS 有权
标题翻译：半导体器件和方法与双极电介质
公开(公告)号：US20080070395A1
公开(公告)日：2008-03-20
申请号：US11532308
申请日：2006-09-15
申请人： Fong-Yu Yen , Cheng-Lung Hung , Peng-Fu Hsu , Vencent S. Chang , Yong-Tian Hou , Jin Ying , Hun-Jan Tao
发明人： Fong-Yu Yen , Cheng-Lung Hung , Peng-Fu Hsu , Vencent S. Chang , Yong-Tian Hou , Jin Ying , Hun-Jan Tao
IPC分类号： H01L21/3205 , H01L29/78 , H01L29/792
CPC分类号： H01L29/513 , H01L21/28088 , H01L21/28185 , H01L21/28194 , H01L29/4966 , H01L29/518
摘要： A semiconductor device is disclosed that includes: a substrate; a first high-k dielectric layer; a second high-k dielectric layer formed of a different high-k material; and a metal gate. In another form, a method of forming a semiconductor device is disclosed that includes: providing a substrate; forming a first high-k dielectric layer above the substrate; forming a second dielectric layer of a different high-k material above the first dielectric layer; and forming a gate structure above the second dielectric layer. In yet another form, a method of forming a semiconductor device is disclosed that includes: providing a substrate; forming an interfacial layer above the substrate; forming a first high-k dielectric layer above the interfacial layer; performing a nitridation technique; performing an anneal; forming a second high-k dielectric layer of a different high-k material above the first dielectric layer; and forming a metal gate structure above the second dielectric layer.
摘要翻译：公开了一种半导体器件，包括：衬底; 第一高k电介质层; 由不同的高k材料形成的第二高k电介质层; 和金属门。在另一种形式中，公开了一种形成半导体器件的方法，包括：提供衬底; 在所述衬底上形成第一高k电介质层; 在所述第一介电层上形成不同高k材料的第二电介质层; 以及在所述第二电介质层上形成栅极结构。在另一种形式中，公开了一种形成半导体器件的方法，其包括：提供衬底; 在基底上形成界面层; 在界面层上形成第一高k电介质层; 进行氮化技术; 进行退火; 在所述第一介电层上形成不同高k材料的第二高k电介质层; 以及在所述第二电介质层上方形成金属栅极结构。

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