公开(公告)号：US20070235807A1

公开(公告)日：2007-10-11

申请号：US11742955

申请日：2007-05-01

申请人： Ted White ,  Alexander Barr ,  Bich-Yen Nguyen ,  Marius Orlowski ,  Mariam Sadaka ,  Voon-Yew Thean

发明人： Ted White ,  Alexander Barr ,  Bich-Yen Nguyen ,  Marius Orlowski ,  Mariam Sadaka ,  Voon-Yew Thean

IPC分类号： H01L29/786

CPC分类号： H01L29/78696 ,  H01L21/84 ,  H01L27/1203 ,  H01L27/1207 ,  H01L29/045 ,  H01L29/66772

摘要： Two different transistors types are made on different crystal orientations in which both are formed on SOI. A substrate has an underlying semiconductor layer of one of the crystal orientations and an overlying layer of the other crystal orientation. The underlying layer has a portion exposed on which is epitaxially grown an oxygen-doped semiconductor layer that maintains the crystalline structure of the underlying semiconductor layer. A semiconductor layer is then epitaxially grown on the oxygen-doped semiconductor layer. An oxidation step at elevated temperatures causes the oxide-doped region to separate into oxide and semiconductor regions. The oxide region is then used as an insulation layer in an SOI structure and the overlying semiconductor layer that is left is of the same crystal orientation as the underlying semiconductor layer. Transistors of the different types are formed on the different resulting crystal orientations.

摘要翻译： 在不同的晶体取向上制作了两种不同的晶体管类型，其中两者都形成在SOI上。 衬底具有晶体取向之一的底层半导体层和另一晶体取向的上覆层。 底层具有暴露在其上的部分外延生长保持下面的半导体层的晶体结构的氧掺杂半导体层。 然后在氧掺杂半导体层上外延生长半导体层。 在高温下的氧化步骤使得氧化物掺杂区域分离成氧化物和半导体区域。 然后将氧化物区域用作SOI结构中的绝缘层，并且剩下的上覆半导体层具有与下面的半导体层相同的晶体取向。 不同类型的晶体管形成在不同的结晶取向上。

公开(公告)号：US20070218707A1

公开(公告)日：2007-09-20

申请号：US11375893

申请日：2006-03-15

申请人： Mariam Sadaka ,  Bich-Yen Nguyen ,  Voon-Yew Thean

发明人： Mariam Sadaka ,  Bich-Yen Nguyen ,  Voon-Yew Thean

IPC分类号： H01L21/31

CPC分类号： H01L21/32 ,  H01L21/02238 ,  H01L21/02255 ,  H01L21/31662 ,  H01L21/84

摘要： A process of forming an electronic device can include forming a patterned oxidation-resistant layer over a semiconductor layer that overlies a substrate, and patterning the semiconductor layer to form a semiconductor island. The semiconductor island includes a first surface and a second surface opposite the first surface, and the first surface lies closer to the substrate, as compared to the second surface. The process can also include forming an oxidation-resistant material along a side of the semiconductor island or selectively depositing a semiconductor material along a side of the semiconductor island. The process can further include exposing the patterned oxidation-resistant layer and the semiconductor island to an oxygen-containing ambient, wherein a first portion of the semiconductor island along the first surface is oxidized during exposing the patterned oxidation-resistant layer, the semiconductor island, and the oxidation-resistant material to an oxygen-containing ambient.

摘要翻译： 形成电子器件的方法可以包括在覆盖在衬底上的半导体层上形成图案化的抗氧化层，并且图案化半导体层以形成半导体岛。 半导体岛包括与第一表面相对的第一表面和第二表面，并且第一表面与第二表面相比更靠近基底。 该方法还可以包括沿着半导体岛的一侧形成耐氧化材料或者沿半导体岛的一侧选择性地沉积半导体材料。 该方法还可以包括将图案化的抗氧化层和半导体岛暴露于含氧环境中，其中沿着第一表面的半导体岛的第一部分在曝光图案化的抗氧化层，半导体岛， 并将抗氧化材料转化为含氧环境。

公开(公告)号：US07265004B2

公开(公告)日：2007-09-04

申请号：US11273092

申请日：2005-11-14

申请人： Voon-Yew Thean ,  Brian J. Goolsby ,  Linda B. McCormick ,  Bich-Yen Nguyen ,  Colita M. Parker ,  Mariam G. Sadaka ,  Victor H. Vartanian ,  Ted R. White ,  Melissa O. Zavala

发明人： Voon-Yew Thean ,  Brian J. Goolsby ,  Linda B. McCormick ,  Bich-Yen Nguyen ,  Colita M. Parker ,  Mariam G. Sadaka ,  Victor H. Vartanian ,  Ted R. White ,  Melissa O. Zavala

IPC分类号： H01L21/84

CPC分类号： H01L21/84 ,  H01L21/823807 ,  H01L21/823842 ,  H01L21/823857 ,  H01L21/823878 ,  H01L27/1203

摘要： An electronic device can include a first semiconductor portion and a second semiconductor portion, wherein the compositions of the first and second semiconductor portions are different from each other. In one embodiment, the first and second semiconductor portions can have different stresses compared to each other. In one embodiment, the electronic device may be formed by forming an oxidation mask over the first semiconductor portion. A second semiconductor layer can be formed over the second semiconductor portion of the first semiconductor layer and have a different composition compared to the first semiconductor layer. An oxidation can be performed, and a concentration of a semiconductor element (e.g., germanium) within the second portion of the first semiconductor layer can be increased. In another embodiment, a selective condensation may be performed, and a field isolation region can be formed between the first and second portions of the first semiconductor layer.

摘要翻译： 电子设备可以包括第一半导体部分和第二半导体部分，其中第一半导体部分和第二半导体部分的组成彼此不同。 在一个实施例中，第一和第二半导体部分可以具有彼此不同的应力。 在一个实施例中，可以通过在第一半导体部分上形成氧化掩模来形成电子器件。 可以在第一半导体层的第二半导体部分上形成第二半导体层，并且与第一半导体层相比具有不同的组成。 可以进行氧化，并且可以增加第一半导体层的第二部分内的半导体元素（例如锗）的浓度。 在另一个实施例中，可以执行选择性冷凝，并且可以在第一半导体层的第一和第二部分之间形成场隔离区。

公开(公告)号：US20070202651A1

公开(公告)日：2007-08-30

申请号：US11361171

申请日：2006-02-24

申请人： Da Zhang ,  Vance Adams ,  Bich-Yen Nguyen ,  Paul Grudowski

发明人： Da Zhang ,  Vance Adams ,  Bich-Yen Nguyen ,  Paul Grudowski

IPC分类号： H01L21/336

CPC分类号： H01L29/7846 ,  H01L29/165 ,  H01L29/66636 ,  H01L29/66772 ,  H01L29/7843 ,  H01L29/7848 ,  H01L29/78654

摘要： A semiconductor fabrication process includes forming isolation structures on either side of a transistor region, forming a gate structure overlying the transistor region, removing source/drain regions to form source/drain recesses, removing portions of the isolation structures to form recessed isolation structures, and filling the source/drain recesses with a source/drain stressor such as an epitaxially formed semiconductor. A lower surface of the source/drain recess is preferably deeper than an upper surface of the recessed isolation structure by approximately 10 to 30 nm. Filling the source/drain recesses may precede or follow forming the recessed isolation structures. An ILD stressor is then deposited over the transistor region such that the ILD stressor is adjacent to sidewalls of the source/drain structure thereby coupling the ILD stressor to the source/drain stressor. The ILD stressor is preferably compressive or tensile silicon nitride and the source/drain structure is preferably silicon germanium or silicon carbon.

摘要翻译： 半导体制造工艺包括在晶体管区域的任一侧上形成隔离结构，形成覆盖晶体管区域的栅极结构，去除源极/漏极区域以形成源极/漏极凹部，去除隔离结构的部分以形成凹入的隔离结构;以及 用诸如外延形成的半导体的源极/漏极应力源填充源/漏极凹部。 源极/漏极凹部的下表面优选比凹入的隔离结构的上表面深大约10至30nm。 填充源极/漏极凹部可以在形成凹入的隔离结构之前或之后。 然后将ILD应激源沉积在晶体管区域上，使得ILD应力源与源极/漏极结构的侧壁相邻，从而将ILD应激源耦合到源极/漏极应力源。 ILD应力器优选为压缩或拉伸氮化硅，并且源极/漏极结构优选为硅锗或硅碳。

公开(公告)号：US20070190745A1

公开(公告)日：2007-08-16

申请号：US11351518

申请日：2006-02-10

申请人： Mariam Sadaka ,  Bich-Yen Nguyen ,  Voon-Yew Thean ,  Ted White

发明人： Mariam Sadaka ,  Bich-Yen Nguyen ,  Voon-Yew Thean ,  Ted White

IPC分类号： H01L21/30 ,  H01L21/46

CPC分类号： H01L21/823807 ,  H01L21/76264 ,  H01L21/823878 ,  H01L21/84 ,  H01L27/0922 ,  H01L27/1203 ,  Y10S438/973

摘要： A semiconductor device is formed having two physically separate regions with differing properties such as different surface orientation, crystal rotation, strain or composition. In one form a first layer having a first property is formed on an insulating layer. The first layer is isolated into first and second physically separate areas. After this physical separation, only the first area is amorphized. A donor wafer is placed in contact with the first and second areas. The semiconductor device is annealed to modify the first of the first and second separate areas to have a different property from the second of the first and second separate areas. The donor wafer is removed and at least one semiconductor structure is formed in each of the first and second physically separate areas. In another form, the separate regions are a bulk substrate and an electrically isolated region within the bulk substrate.

公开(公告)号：US20070184600A1

公开(公告)日：2007-08-09

申请号：US11348034

申请日：2006-02-06

申请人： Da Zhang ,  Michael Mendicino ,  Bich-Yen Nguyen

发明人： Da Zhang ,  Michael Mendicino ,  Bich-Yen Nguyen

IPC分类号： H01L21/8238

CPC分类号： H01L21/823807 ,  H01L21/823814 ,  H01L29/165 ,  H01L29/665 ,  H01L29/66628 ,  H01L29/66636 ,  H01L29/7848

摘要： Methods for forming portions of source and drain (S/D) regions of a first ensuing transistor (40) to include a semiconductor material (47) having a different composition of non-dopant elements than portions of S/D regions (35) of a second ensuing transistor (30) of opposite conductivity type are provided. The methods additionally include forming another semiconductor material (48) upon at least one set of the S/D regions of the ensuing transistors such that S/D surface layers of the ensuing transistors include substantially the same composition of non-dopant elements. A resulting semiconductor topography includes a pair of CMOS transistors (30, 40) collectively having S/D region surfaces with substantially the same composition of non-dopant elements. The S/D regions of one transistor (40) of the pair of CMOS transistors includes an underlying layer (47) having a different composition of non-dopant elements than underlying layers of the S/D regions (35) of the other transistor (30).

摘要翻译： 用于形成第一随后晶体管（40）的源极和漏极（S / D）区域的部分的方法，以包括具有与S / D区域（35）的部分不同的非掺杂元素的不同组成的半导体材料（47） 提供了具有相反导电类型的第二随后的晶体管（30）。 所述方法还包括在随后的晶体管的至少一组S / D区上形成另一半导体材料（48），使得随后的晶体管的S / D表面层包括基本上相同的非掺杂元素组成。 所得到的半导体形貌包括一对共同具有基本上相同组成的非掺杂元素的S / D区域表面的CMOS晶体管（30,40）。 该对CMOS晶体管的一个晶体管（40）的S / D区域包括与另一个晶体管的S / D区域（35）的下层不同的非掺杂元素组成的下层（47） 30）。

公开(公告)号：US07230264B2

公开(公告)日：2007-06-12

申请号：US11247866

申请日：2005-10-07

申请人： Voon-Yew Thean ,  Dina H. Triyoso ,  Bich-Yen Nguyen

发明人： Voon-Yew Thean ,  Dina H. Triyoso ,  Bich-Yen Nguyen

IPC分类号： H01L29/06

CPC分类号： H01L21/823807 ,  H01L21/823814 ,  H01L21/823835 ,  H01L21/823842 ,  H01L21/823878 ,  H01L21/84 ,  H01L29/165 ,  H01L29/517 ,  H01L29/665 ,  H01L29/66628 ,  H01L29/66636 ,  H01L29/66659 ,  H01L29/7848

摘要： A transistor is formed using a semiconductor substrate and forming a control electrode overlying the semiconductor substrate. A first current electrode is formed within the semiconductor substrate and adjacent the control electrode. The first current electrode has a first predetermined semiconductor material. A second current electrode is formed within the semiconductor substrate and adjacent the control electrode to form a channel within the semiconductor substrate. The second current electrode has a second predetermined semiconductor material that is different from the first predetermined semiconductor material. The first predetermined semiconductor material is chosen to optimize bandgap energy of the first current electrode, and the second predetermined semiconductor material is chosen to optimize strain of the channel.

摘要翻译： 使用半导体衬底形成晶体管，并形成覆盖半导体衬底的控制电极。 第一电流电极形成在半导体衬底内并与控制电极相邻。 第一电流电极具有第一预定半导体材料。 第二电流电极形成在半导体衬底内并与控制电极相邻，以在半导体衬底内形成通道。 第二电流电极具有与第一预定半导体材料不同的第二预定半导体材料。 选择第一预定半导体材料以优化第一电流电极的带隙能量，并且选择第二预定半导体材料以优化通道的应变。

公开(公告)号：US07226833B2

公开(公告)日：2007-06-05

申请号：US10977423

申请日：2004-10-29

申请人： Ted R. White ,  Alexander L. Barr ,  Bich-Yen Nguyen ,  Marius K. Orlowski ,  Mariam G. Sadaka ,  Voon-Yew Thean

发明人： Ted R. White ,  Alexander L. Barr ,  Bich-Yen Nguyen ,  Marius K. Orlowski ,  Mariam G. Sadaka ,  Voon-Yew Thean

IPC分类号： H01L21/8234

CPC分类号： H01L29/78696 ,  H01L21/84 ,  H01L27/1203 ,  H01L27/1207 ,  H01L29/045 ,  H01L29/66772

摘要： Two different transistors types are made on different crystal orientations in which both are formed on SOI. A substrate has an underlying semiconductor layer of one of the crystal orientations and an overlying layer of the other crystal orientation. The underlying layer has a portion exposed on which is epitaxially grown an oxygen-doped semiconductor layer that maintains the crystalline structure of the underlying semiconductor layer. A semiconductor layer is then epitaxially grown on the oxygen-doped semiconductor layer. An oxidation step at elevated temperatures causes the oxide-doped region to separate into oxide and semiconductor regions. The oxide region is then used as an insulation layer in an SOI structure and the overlying semiconductor layer that is left is of the same crystal orientation as the underlying semiconductor layer. Transistors of the different types are formed on the different resulting crystal orientations.

摘要翻译： 在不同的晶体取向上制作了两种不同的晶体管类型，其中两者都形成在SOI上。 衬底具有晶体取向之一的底层半导体层和另一晶体取向的上覆层。 底层具有暴露在其上的部分外延生长保持下面的半导体层的晶体结构的氧掺杂半导体层。 然后在氧掺杂半导体层上外延生长半导体层。 在高温下的氧化步骤使得氧化物掺杂区域分离成氧化物和半导体区域。 然后将氧化物区域用作SOI结构中的绝缘层，并且剩下的上覆半导体层具有与下面的半导体层相同的晶体取向。 不同类型的晶体管形成在不同的结晶取向上。

公开(公告)号：US07226820B2

公开(公告)日：2007-06-05

申请号：US11101354

申请日：2005-04-07

申请人： Da Zhang ,  Jing Liu ,  Bich-Yen Nguyen ,  Voon-Yew Thean ,  Ted R. White

发明人： Da Zhang ,  Jing Liu ,  Bich-Yen Nguyen ,  Voon-Yew Thean ,  Ted R. White

IPC分类号： H01L21/00

CPC分类号： H01L29/7848 ,  H01L29/165 ,  H01L29/6656 ,  H01L29/66628 ,  H01L29/66636

摘要： A semiconductor fabrication process includes forming a gate electrode (120) overlying a gate dielectric (110) overlying a semiconductor substrate (102). First spacers (124) are formed on sidewalls of the gate electrode (120). First s/d trenches (130) are formed in the substrate (102) using the gate electrode (120) and first spacers (124) as a mask. The first s/d trenches (130) are filled with a first s/d structure (132). Second spacers (140) are formed on the gate electrode (120) sidewalls adjacent the first spacers (124). Second s/d trenches (150) are formed in the substrate (102) using the gate electrode (120) and the second spacers (140) as a mask. The second s/d trenches (150) are filled with a second s/d structure (152). Filling the first and second s/d trenches (130, 150) preferably includes growing the s/d structures using an epitaxial process. The s/d structures (132, 152) may be stress inducing structures such as silicon germanium for PMOS transistors and silicon carbon for NMOS transistors.

摘要翻译： 半导体制造工艺包括形成覆盖在半导体衬底（102）上的栅电介质（110）上的栅电极（120）。 第一间隔物（124）形成在栅电极（120）的侧壁上。 使用栅电极（120）和第一间隔物（124）作为掩模，在基板（102）中形成第一s / d沟槽（130）。 第一s / d沟槽（130）填充有第一s / d结构（132）。 第二间隔物（140）形成在邻近第一间隔物（124）的栅电极（120）侧壁上。 使用栅电极（120）和第二间隔物（140）作为掩模，在衬底（102）中形成第二s / d沟槽（150）。 第二s / d沟槽（150）填充有第二s / d结构（152）。 填充第一和第二s / d沟槽（130,150）优选地包括使用外延工艺来生长s / d结构。 s / d结构（132,152）可以是应力诱导结构，例如用于PMOS晶体管的硅锗和用于NMOS晶体管的硅碳。

公开(公告)号：US20070099361A1

公开(公告)日：2007-05-03

申请号：US11263119

申请日：2005-10-31

申请人： Voon-Yew Thean ,  Jian Chen ,  Bich-Yen Nguyen ,  Mariam Sadaka ,  Da Zhang

发明人： Voon-Yew Thean ,  Jian Chen ,  Bich-Yen Nguyen ,  Mariam Sadaka ,  Da Zhang

IPC分类号： H01L21/8234 ,  H01L21/336

CPC分类号： H01L21/823807 ,  H01L21/823821 ,  H01L21/82385 ,  H01L21/845 ,  H01L27/1211 ,  H01L29/7842 ,  H01L29/785

摘要： Forming a semiconductor structure includes providing a substrate having a strained semiconductor layer overlying an insulating layer, providing a first device region for forming a first plurality of devices having a first conductivity type, providing a second device region for forming a second plurality of devices having a second conductivity type, and thickening the strained semiconductor layer in the second device region so that the strained semiconductor layer in the second device region has less strain that the strained semiconductor layer in the first device region. Alternatively, forming a semiconductor structure includes providing a first region having a first conductivity type, forming an insulating layer overlying at least an active area of the first region, anisotropically etching the insulating layer, and after anisotropically etching the insulating layer, deposing a gate electrode material overlying at least a portion of the insulating layer.