公开(公告)号：US20220172989A1

公开(公告)日：2022-06-02

申请号：US17672296

申请日：2022-02-15

Applicant: Applied Materials, Inc.

Inventor： Yihong Chen ,  Kelvin Chan ,  Xinliang Lu ,  Srinivas Gandikota ,  Yong Wu ,  Susmit Singha Roy ,  Chia Cheng Chin

IPC: H01L21/768 ,  C23C16/02 ,  C23C16/455 ,  C23C16/458 ,  H01L21/285 ,  H01L21/687 ,  H01L23/532

Abstract: Processing methods comprise forming a gap fill layer comprising tungsten or molybdenum by exposing a substrate surface having at least one feature thereon sequentially to a metal precursor and a reducing agent comprising hydrogen to form the gap fill layer in the feature, wherein there is not a nucleation layer between the substrate surface and the gap fill layer.

公开(公告)号：US09530627B2

公开(公告)日：2016-12-27

申请号：US14484423

申请日：2014-09-12

Applicant: Applied Materials, Inc.

Inventor： Srinivas Gandikota ,  Xinliang Lu ,  Kyoung-Ho Bu ,  Jing Zhou ,  Seshadri Ganguli ,  David Thompson

IPC: H01J37/32 ,  C23C16/44

CPC classification number: H01J37/32862 ,  C23C16/08 ,  C23C16/4405 ,  H01J37/32522 ,  H01J37/32724

Abstract: Embodiments described herein relate to a thermal chlorine gas cleaning process. In one embodiment, a method for cleaning N-Metal film deposition in a processing chamber includes positioning a dummy substrate on a substrate support. The processing chamber is heated to at least about 50 degrees Celsius. The method further includes flowing chlorine gas into the processing chamber and evacuating chlorine gas from the processing chamber. In another embodiment, a method for cleaning titanium aluminide film deposition in a processing chamber includes heating the processing chamber to a temperature between about 70 about degrees Celsius and about 100 degrees Celsius, wherein the processing chamber and the substrate support include one or more fluid channels configured to heat or cool the processing chamber and the substrate support.

Abstract translation: 本文所述的实施方案涉及热氯气清洗工艺。 在一个实施例中，用于清洁处理室中的N金属膜沉积的方法包括将虚设基板定位在基板支撑件上。 将处理室加热至至少约50摄氏度。 该方法还包括将氯气流入处理室并从处理室排出氯气。 在另一个实施方案中，一种用于清洁处理室中的铝化铝膜沉积的方法包括将处理室加热到约70摄氏度至约100摄氏度之间的温度，其中处理室和衬底支撑体包括一个或多个流体通道 被配置为加热或冷却处理室和基板支撑件。

公开(公告)号：US20160372324A1

公开(公告)日：2016-12-22

申请号：US15184521

申请日：2016-06-16

Applicant: Applied Materials, Inc.

Inventor： Chien-Teh Kao ,  Benjamin Schmiege ,  Xuesong Lu ,  Juno Yu-Ting Huang ,  Yu Lei ,  Yung-Hsin Lee ,  Srinivas Gandikota ,  Rajkumar Jakkaraju ,  Chikuang Charles Wang ,  Ghazal Saheli ,  Benjamin C. Wang ,  Xinliang Lu ,  Pingyan Lei

IPC: H01L21/02 ,  H01L21/306

CPC classification number: H01L21/02186 ,  H01L21/02274 ,  H01L21/0228 ,  H01L21/0337 ,  H01L21/31144

Abstract: Methods for depositing titanium oxide films by atomic layer deposition are disclosed. Titanium oxide films may include a titanium nitride cap, an oxygen rich titanium nitride cap or a mixed oxide nitride layer. Also described are methods for self-aligned double patterning including titanium oxide spacer films.

Abstract translation: 公开了通过原子层沉积沉积氧化钛膜的方法。 氧化钛膜可以包括氮化钛盖，富氧氮化钛盖或混合氧化物氮化物层。 还描述了包括氧化钛间隔膜的自对准双重图案的方法。

公开(公告)号：US09048183B2

公开(公告)日：2015-06-02

申请号：US14147291

申请日：2014-01-03

Applicant: Applied Materials, Inc.

Inventor： Seshadri Ganguli ,  Srinivas Gandikota ,  Yu Lei ,  Xinliang Lu ,  Sang Ho Yu ,  Hoon Kim ,  Paul F. Ma ,  Mei Chang ,  Maitreyee Mahajani ,  Patricia M. Liu

IPC: H01L21/3205 ,  H01L21/28 ,  C23C16/06 ,  C23C16/32 ,  C23C16/42 ,  C23C16/455 ,  H01L21/285 ,  H01L21/768 ,  H01L21/8238 ,  H01L29/49

CPC classification number: H01L21/28008 ,  C23C16/06 ,  C23C16/32 ,  C23C16/42 ,  C23C16/45542 ,  H01L21/28079 ,  H01L21/28088 ,  H01L21/28097 ,  H01L21/28562 ,  H01L21/76843 ,  H01L21/76871 ,  H01L21/823814 ,  H01L21/823842 ,  H01L29/495 ,  H01L29/4966

Abstract: Embodiments provide methods for depositing metal-containing materials. The methods include deposition processes that form metal, metal carbide, metal silicide, metal nitride, and metal carbide derivatives by a vapor deposition process, including thermal decomposition, CVD, pulsed-CVD, or ALD. A method for processing a substrate is provided which includes depositing a dielectric material forming a feature definition in the dielectric material, depositing a work function material conformally on the sidewalls and bottom of the feature definition, and depositing a metal gate fill material on the work function material to fill the feature definition, wherein the work function material is deposited by reacting at least one metal-halide precursor having the formula MXY, wherein M is tantalum, hafnium, titanium, and lanthanum, X is a halide selected from the group of fluorine, chlorine, bromine, or iodine, and y is from 3 to 5.

Abstract translation: 实施例提供了沉积含金属材料的方法。 所述方法包括通过包括热分解，CVD，脉冲CVD或ALD的气相沉积工艺形成金属，金属碳化物，金属硅化物，金属氮化物和金属碳化物衍生物的沉积工艺。 提供了一种用于处理衬底的方法，其包括在电介质材料中形成形成特征定义的电介质材料，将功函数材料保形地沉积在特征定义的侧壁和底部上，以及在工作功能上沉积金属栅极填充材料 用于填充特征定义的材料，其中通过使至少一种具有式MXY的金属卤化物前体与其中M是钽，铪，钛和镧的金属卤化物前体反应沉积功函材料，X是选自氟 ，氯，溴或碘，y为3至5。

公开(公告)号：US09683287B2

公开(公告)日：2017-06-20

申请号：US14058406

申请日：2013-10-21

Applicant: Applied Materials, Inc.

Inventor： David Thompson ,  Srinivas Gandikota ,  Xinliang Lu ,  Wei Tang ,  Jing Zhou ,  Seshadri Ganguli ,  Jeffrey W. Anthis ,  Atif Noori ,  Faruk Gungor ,  Dien-Yeh Wu ,  Mei Chang ,  Shih Chung Chen

IPC: C23C16/12 ,  C23C16/30 ,  C23C16/455

CPC classification number: C23C16/30 ,  C23C16/45531 ,  C23C16/45534

Abstract: Films comprising Aluminum, carbon and a metal, wherein the aluminum is present in an amount greater than about 16% by elemental content and the film has less than about 50% carbon. Methods of forming the films comprise exposing a substrate to a metal halide precursor, purging the metal halide precursor from the processing chamber and then exposing the substrate to an alkyl aluminum precursor and an alane precursor, either sequentially or simultaneously. The alane precrursor comprises an amine-alane and a stabilizing amine selected from one or more of diemthylcyclohexylamine or dicyclomethylhexylamine.

公开(公告)号：US08927059B2

公开(公告)日：2015-01-06

申请号：US13669571

申请日：2012-11-06

Applicant: Applied Materials, Inc.

Inventor： Xinliang Lu ,  David Thompson ,  Jeffrey W. Anthis ,  Mei Chang ,  Seshadri Ganguli ,  Wei Tang ,  Srinivas Gandikota ,  Atif Noori

IPC: C23C16/06 ,  C23C16/08 ,  C23C16/10 ,  C23C16/22 ,  C23C16/455 ,  H01L21/285 ,  H01L21/768

CPC classification number: C23C16/455 ,  C23C16/06 ,  C23C16/45525 ,  H01L21/28562 ,  H01L21/76841

Abstract: Methods of depositing pure metal and aluminum alloy metal films. Certain methods comprises contacting a substrate surface with first and second precursors, the first precursor comprising an aluminum precursor selected from dimethylaluminum hydride, alane coordinated to an amine, and a compound having a structure represented by: wherein R is a C1-C6 alkyl group, and the second precursor comprising a metal halide. Other methods relate to sequentially exposing a substrate to a first and second precursor, the first precursor comprising an aluminum precursor as described above, and the second precursor comprising Ti(NR′2)4 or Ta(NR′2)5, wherein R′ is an alkyl, alkenyl, alkynyl, keto or aldehyde group.

Abstract translation: 沉积纯金属和铝合金金属膜的方法。 某些方法包括使基材表面与第一和第二前体接触，第一前体包含选自二甲基氢化铝，与胺配位的烷烃的铝前驱物和具有下列结构的化合物：其中R是C1-C6烷基， 并且第二前体包含金属卤化物。 其它方法涉及将衬底顺序地暴露于第一和第二前体，第一前体包含如上所述的铝前体，第二前体包含Ti（NR'2）4或Ta（NR'2）5，其中R' 是烷基，烯基，炔基，酮基或醛基。

公开(公告)号：US20170053792A1

公开(公告)日：2017-02-23

申请号：US15238102

申请日：2016-08-16

Applicant: Applied Materials, Inc.

Inventor： Xinliang Lu ,  Pingyan Lei ,  Chien-Teh Kao ,  Mihaela Balseanu ,  Li-Qun Xia ,  Mandyam Sriram

IPC: H01L21/02

CPC classification number: H01L21/0217 ,  C23C16/345 ,  C23C16/45519 ,  C23C16/45551 ,  C23C16/45553 ,  C23C16/4584 ,  H01L21/02211 ,  H01L21/0228

Abstract: Methods for the deposition of SiN films comprising sequential exposure of a substrate surface to a silicon halide precursor at a temperature greater than or equal to about 600° C. and a nitrogen-containing reactant.

Abstract translation: 沉积SiN膜的方法包括在大于或等于约600℃的温度下将衬底表面顺序暴露于卤化硅前体和含氮反应物的方法。

公开(公告)号：US08987080B2

公开(公告)日：2015-03-24

申请号：US13865285

申请日：2013-04-18

Applicant: Applied Materials, Inc.

Inventor： Xinliang Lu ,  Seshadri Ganguli ,  Atif Noori ,  Maitreyee Mahajani ,  Shih Chung Chen ,  Yu Lei ,  Xinyu Fu ,  Wei Tang ,  Srinivas Gandikota

IPC: H01L21/336 ,  H01L21/8234 ,  H01L29/66 ,  H01L21/8238 ,  H01L21/28 ,  H01L21/322 ,  H01L29/49 ,  H01L29/78

CPC classification number: H01L29/66477 ,  H01L21/28088 ,  H01L21/3221 ,  H01L21/823821 ,  H01L21/823842 ,  H01L29/4966 ,  H01L29/78

Abstract: Provided are methods for making metal gates suitable for FinFET structures. The methods described herein generally involve forming a high-k dielectric material on a semiconductor substrate; depositing a high-k dielectric cap layer over the high-k dielectric material; depositing a PMOS work function layer having a positive work function value; depositing an NMOS work function layer; depositing an NMOS work function cap layer over the NMOS work function layer; removing at least a portion of the PMOS work function layer or at least a portion of the NMOS work function layer; and depositing a fill layer. Depositing a high-k dielectric cap layer, depositing a PMOS work function layer or depositing a NMOS work function cap layer may comprise atomic layer deposition of TiN, TiSiN, or TiAlN. Either PMOS or NMOS may be deposited first.

Abstract translation: 提供了适用于FinFET结构的金属栅极的方法。 本文描述的方法通常涉及在半导体衬底上形成高k电介质材料; 在高k电介质材料上沉积高k电介质盖层; 沉积具有正功函数值的PMOS功函数层; 沉积NMOS工作功能层; 在NMOS工作功能层上沉积NMOS工作功能覆盖层; 去除所述PMOS功函数层的至少一部分或所述NMOS功函数层的至少一部分; 并沉积填充层。 沉积高k电介质盖层，沉积PMOS功函数层或沉积NMOS工作功能覆盖层可包括TiN，TiSiN或TiAlN的原子层沉积。 可以首先沉积PMOS或NMOS。

公开(公告)号：US10854511B2

公开(公告)日：2020-12-01

申请号：US16000431

申请日：2018-06-05

Applicant: Applied Materials, Inc.

Inventor： Yihong Chen ,  Yong Wu ,  Chia Cheng Chin ,  Xinliang Lu ,  Srinivas Gandikota ,  Ziqing Duan ,  Abhijit Basu Mallick

IPC: H01L21/336 ,  H01L21/768 ,  H01L21/28 ,  H01L21/763 ,  H01L27/11556 ,  H01L27/11582 ,  H01L21/02 ,  H01L21/3213 ,  H01L21/285 ,  G11C8/14

Abstract: Methods for forming 3D-NAND devices comprising recessing a poly-Si layer to a depth below a spaced oxide layer. A liner is formed on the spaced oxide layer and not on the recessed poly-Si layer. A metal layer is deposited in the gaps on the liner to form wordlines.

公开(公告)号：US20180350606A1

公开(公告)日：2018-12-06

申请号：US16000431

申请日：2018-06-05

Applicant: Applied Materials, Inc.

Inventor： Yihong Chen ,  Yong Wu ,  Chia Cheng Chin ,  Xinliang Lu ,  Srinivas Gandikota ,  Ziqing Duan ,  Abhijit Basu Mallick

IPC: H01L21/28 ,  H01L21/763 ,  H01L21/768

Abstract: Methods for forming 3D-NAND devices comprising recessing a poly-Si layer to a depth below a spaced oxide layer. A liner is formed on the spaced oxide layer and not on the recessed poly-Si layer. A metal layer is deposited in the gaps on the liner to form wordlines.