公开(公告)号：US20200211823A1

公开(公告)日：2020-07-02

申请号：US16728203

申请日：2019-12-27

Applicant: TOKYO ELECTRON LIMITED

Inventor： Ryuji HISATOMI ,  Chishio KOSHIMIZU ,  Michishige SAITO

IPC: H01J37/32

Abstract: A plasma processing apparatus includes: a processing container; an electrode that places a substrate thereon within the processing container; a plasma generation source that supplies plasma into the processing container; a bias power supply that supplies bias power to the electrode; a part exposed to the plasma in the processing container; a DC power supply that supplies a DC voltage to the part; a controller that executes a process including a first control procedure in which a first state in which the DC voltage has a first voltage value and a second state in which the DC voltage has a second voltage value higher than the first voltage value are periodically repeated, and the first voltage value is applied in a partial period in each cycle of a potential of the electrode, and the second voltage value is applied such that the first state and the second state are continuous.

公开(公告)号：US20170032936A1

公开(公告)日：2017-02-02

申请号：US15290846

申请日：2016-10-11

Applicant: TOKYO ELECTRON LIMITED

Inventor： Akira KOSHIISHI ,  Masaru SUGIMOTO ,  Kunihiko HINATA ,  Noriyuki KOBAYASHI ,  Chishio KOSHIMIZU ,  Ryuji OHTANI ,  Kazuo KIBI ,  Masashi SAITO ,  Naoki MATSUMOTO ,  Manabu IWATA ,  Daisuke YANO ,  Yohei YAMAZAWA ,  Hidetoshi HANAOKA ,  Toshihiro HAYAMI ,  Hiroki YAMAZAKI ,  Manabu SATO

IPC: H01J37/32

CPC classification number: H01J37/32091 ,  H01J37/32082 ,  H01J37/32174 ,  H01J37/3244 ,  H01J37/32697 ,  H01J37/32706 ,  H01J2237/334 ,  H01L21/3065

Abstract: An apparatus includes an upper electrode and a lower electrode for supporting a wafer disposed opposite each other within a process chamber. A first RF power supply configured to apply a first RF power having a relatively higher frequency, and a second RF power supply configured to apply a second RF power having a relatively lower frequency is connected to the lower electrode. A variable DC power supply is connected to the upper electrode. A process gas is supplied into the process chamber to generate plasma of the process gas so as to perform plasma etching.

Abstract translation: 一种装置包括用于支撑在处理室内相对设置的晶片的上电极和下电极。 被配置为施加具有相对较高频率的第一RF功率的第一RF电源和被配置为施加具有相对较低频率的第二RF功率的第二RF电源连接到下电极。 可变直流电源连接到上电极。 将工艺气体供应到处理室中以产生处理气体的等离子体，以进行等离子体蚀刻。

公开(公告)号：US20160379796A1

公开(公告)日：2016-12-29

申请号：US15258481

申请日：2016-09-07

Applicant: Tokyo Electron Limited

Inventor： Chishio KOSHIMIZU ,  Naoki Matsumoto ,  Satoshi Tanaka ,  Toru Ito

IPC: H01J37/21 ,  H01J37/32

CPC classification number: H01J37/21 ,  H01J37/32091 ,  H01J37/32155 ,  H01J37/32165 ,  H01J37/32348 ,  H01J37/32449 ,  H01J37/32467 ,  H01J37/32642 ,  H01J2237/21 ,  H01J2237/334

Abstract: A plasma processing apparatus includes a processing chamber, a first electrode and a second electrode disposed to face each other, a high frequency power supply unit for applying a high frequency power to either the first electrode or the second electrode, a processing gas supply unit for supplying a processing gas to a processing space, and a main dielectric member provided at a substrate mounting portion on a main surface of the first electrode. A focus ring is attached to the first electrode to cover a peripheral portion of the main surface of the first electrode and a peripheral dielectric member is provided in a peripheral portion on the main surface of the first electrode so that an electrostatic capacitance per unit area applied between the first electrode and the focus ring is smaller than that applied between the first electrode and the substrate by the main dielectric member.

公开(公告)号：US20160203951A1

公开(公告)日：2016-07-14

申请号：US15079381

申请日：2016-03-24

Applicant: TOKYO ELECTRON LIMITED

Inventor： Yohei YAMAZAWA ,  Chishio KOSHIMIZU ,  Kazuki DENPOH ,  Jun YAMAWAKU ,  Masashi SAITO

IPC: H01J37/32 ,  C23C16/455 ,  C23C16/50

CPC classification number: H01J37/3211 ,  C23C16/455 ,  C23C16/50 ,  H01J37/321 ,  H01J37/3244 ,  H05H1/46

Abstract: A plasma processing apparatus includes a processing chamber including a dielectric window; a coil shaped RF antenna provided outside the dielectric window; a substrate supporting unit, provided in the processing chamber, for mounting thereon a target substrate to be processed; a processing gas supply unit for supplying a desired processing gas to the processing chamber to perform a desired plasma process on the target substrate; and an RF power supply unit for supplying an RF power to the RF antenna to generate a plasma of the processing gas by an inductive coupling in the processing chamber. The apparatus further includes a floating coil electrically floated and arranged at a position outside the processing chamber where the floating coil is to be coupled with the RF antenna by an electromagnetic induction; and a capacitor provided in a loop of the floating coil.

Abstract translation: 一种等离子体处理装置，包括：具有电介质窗的处理室; 设置在电介质窗外部的线圈形RF天线; 基板支撑单元，设置在处理室中，用于在其上安装待处理的目标基板; 处理气体供应单元，用于将所需的处理气体供应到处理室以对目标基板执行所需的等离子体处理; 以及RF电源单元，用于向RF天线提供RF功率，以通过处理室中的感应耦合产生处理气体的等离子体。 该装置还包括一个浮动线圈，其浮动并布置在处理室外部的位置处，浮动线圈将通过电磁感应与RF天线耦合; 以及设置在浮动线圈的环路中的电容器。

公开(公告)号：US20160126065A1

公开(公告)日：2016-05-05

申请号：US14934091

申请日：2015-11-05

Applicant: TOKYO ELECTRON LIMITED

Inventor： Jun YAMAWAKU ,  Tatsuo MATSUDO ,  Chishio KOSHIMIZU

IPC: H01J37/32

CPC classification number: H01J37/3211 ,  H01J37/321 ,  H01J37/32165 ,  H01J37/32183

Abstract: A plasma processing apparatus includes a plasma generation unit for converting a processing gas into plasma by an inductive coupling. The plasma generation unit includes a first high frequency antenna formed of a vortex coil having open opposite endse and, at a central portion of a line between the open ends, a supply point of a high frequency power and a grounding point grounded through a capacitor; a second high frequency antenna formed of a planar vortex coil disposed between first and second high frequency antenna elements of the first high frequency antenna; and an impedance adjustment unit for adjusting a resonant frequency of a circuit viewed from a high frequency power supply toward the first high frequency antenna which is configured to have two resonant frequencies depending on adjustment of the impedance adjustment unit when the frequency of the high frequency power is changed.

Abstract translation: 等离子体处理装置包括用于通过电感耦合将处理气体转换为等离子体的等离子体产生单元。 等离子体产生单元包括：第一高频天线，其由具有开放的相对端的涡旋线圈形成，并且在开放端之间的线的中心部分处是高频功率的供电点和通过电容器接地的接地点; 由设置在第一高频天线的第一和第二高频天线元件之间的平面涡流线圈形成的第二高频天线; 以及阻抗调整单元，用于调节从高频电源向第一高频天线观看的电路的谐振频率，该第一高频天线被配置为具有取决于阻抗调节单元的调整的两个谐振频率，当高频功率的频率 改变了

公开(公告)号：US20140216345A1

公开(公告)日：2014-08-07

申请号：US14250783

申请日：2014-04-11

Applicant: Tokyo Electron Limited

Inventor： Yohei YAMAZAWA ,  Chishio KOSHIMIZU ,  Masashi SAITO ,  Kazuki DENPOH ,  Jun YAMAWAKU

IPC: H01J37/32

CPC classification number: H01J37/3211 ,  H01J37/321 ,  H01J37/32146 ,  H01L21/67109 ,  H01L21/6831

Abstract: A plasma processing apparatus includes a processing chamber including a dielectric window; a coil-shaped RF antenna, provided outside the dielectric window; a substrate supporting unit provided in the processing chamber; a processing gas supply unit; an RF power supply unit for supplying an RF power to the RF antenna to generate a plasma of the processing gas by an inductive coupling in the processing chamber, the RF power having an appropriate frequency for RF discharge of the processing gas; a correction coil, provided at a position outside the processing chamber where the correction coil is to be coupled with the RF antenna by an electromagnetic induction, for controlling a plasma density distribution on the substrate in the processing chamber; a switching device provided in a loop of the correction coil; and a switching control unit for on-off controlling the switching device at a desired duty ratio by pulse width modulation.

Abstract translation: 一种等离子体处理装置，包括：具有电介质窗的处理室; 设置在电介质窗外部的线圈状RF天线; 设置在所述处理室中的基板支撑单元; 处理气体供应单元; RF电源单元，用于向RF天线提供RF功率以通过处理室中的感应耦合产生处理气体的等离子体，所述RF功率具有用于处理气体的RF放电的适当频率; 校正线圈，设置在所述处理室外侧的位置处，所述校正线圈将通过电磁感应与所述RF天线耦合，用于控制所述处理室中的所述衬底上的等离子体密度分布; 设置在所述校正线圈的环路中的开关装置; 以及用于通过脉冲宽度调制以期望的占空比开关控制开关装置的开关控制单元。

公开(公告)号：US20140056328A1

公开(公告)日：2014-02-27

申请号：US14070714

申请日：2013-11-04

Applicant: TOKYO ELECTRON LIMITED

Inventor： Jun ABE ,  Tatsuo MATSUDO ,  Chishio KOSHIMIZU

IPC: G01K11/00

CPC classification number: G01K11/00 ,  G01K11/125

Abstract: A temperature measurement apparatus includes a light source; a first splitter that splits a light beam into a measurement beam and a reference beam; a reference beam reflector that reflects the reference beam; an optical path length adjustor; a second splitter that splits the reflected reference beam into a first reflected reference beam and a second reflected reference beam; a first photodetector that measures an interference between the first reflected reference beam and a reflected measurement beam obtained by the measurement beam reflected from a target object; a second photodetector that measures an intensity of the second reflected reference beam; and a temperature calculation unit. The temperature calculation unit calculates a location of the interference by subtracting an output signal of the second photodetector from an output signal of the first photodetector, and calculates a temperature of the target object from the calculated location of the interference.

Abstract translation: 温度测量装置包括光源; 第一分离器，其将光束分成测量光束和参考光束; 反射参考光束的参考光束反射器; 光路长度调节器; 第二分离器，其将反射的参考光束分成第一反射参考光束和第二反射参考光束; 测量第一反射参考光束与由目标物体反射的测量光束获得的反射测量光束之间的干涉的第一光电检测器; 第二光电检测器，其测量第二反射参考光束的强度; 和温度计算单元。 温度计算单元通过从第一光电检测器的输出信号减去第二光电检测器的输出信号来计算干扰的位置，并根据所计算的干扰位置计算目标对象的温度。

公开(公告)号：US20130337635A1

公开(公告)日：2013-12-19

申请号：US13916847

申请日：2013-06-13

Applicant: Tokyo Electron Limited

Inventor： Jun YAMAWAKU ,  Chishio KOSHIMIZU ,  Mitsuhiro TACHIBANA ,  Hitoshi KATO ,  Takeshi KOBAYASHI ,  Shigehiro MIURA ,  Takafumi KIMURA

IPC: H01L21/02

CPC classification number: H01L21/02104 ,  C23C16/45519 ,  C23C16/4554 ,  C23C16/45551 ,  C23C16/509 ,  H01L21/02164 ,  H01L21/02167 ,  H01L21/0217 ,  H01L21/02274 ,  H01L21/0228 ,  H01L21/0234 ,  H01L21/68764 ,  H01L21/68771

Abstract: A film deposition apparatus configured to perform a film deposition process on a substrate in a vacuum chamber includes a turntable configured to rotate a substrate loading area to receive the substrate, a film deposition area including at least one process gas supplying part configured to supply a process gas onto the substrate loading area and configured to form a thin film by depositing at least one of an atomic layer and a molecular layer along with a rotation of the turntable, a plasma treatment part provided away from the film deposition area in a rotational direction of the turntable and configured to treat the at least one of the atomic layer and the molecular layer for modification by plasma, and a bias electrode part provided under the turntable without contacting the turntable and configured to generate bias potential to attract ions in the plasma toward the substrate.

Abstract translation: 一种被配置为在真空室中的基板上进行成膜处理的成膜装置，包括转盘，其被配置为使基板装载区域旋转以接收基板;膜沉积区域，包括至少一个工艺气体供给部件， 气体到基板装载区域，并且被配置为通过沉积转盘的旋转中的原子层和分子层中的至少一个来形成薄膜，等离子体处理部件沿着旋转方向设置在膜沉积区域 所述转盘并且被配置为处理所述原子层和所述分子层中的至少一个以进行等离子体修饰;以及偏置电极部分，其设置在所述转盘下方，而不接触所述转台并且被配置为产生偏置电位以将等离子体中的离子吸引到 基质。

公开(公告)号：US20130308681A1

公开(公告)日：2013-11-21

申请号：US13954021

申请日：2013-07-30

Applicant: Tokyo Electron Limited

Inventor： Jun YAMAWAKU ,  Chishio KOSHIMIZU ,  Tatsuo MATSUDO

IPC: G01K11/14

CPC classification number: G01K11/14 ,  G01K5/48 ,  H01L21/67248

Abstract: A component in a processing chamber of a substrate processing apparatus, where a temperature may be accurately measured by using a temperature measuring apparatus using an interference of a low-coherence light, even when a front surface and a rear surface are not parallel due to abrasion, or the like. A focus ring used in a vacuum atmosphere and of which a temperature is measured includes an abrasive surface exposed to an abrasive atmosphere according to plasma, a nonabrasive surface not exposed to the abrasive atmosphere, a thin-walled portion including a top surface and a bottom surface that are parallel to each other, and a coating member coating the top surface of the thin-walled portion, wherein a mirror-like finishing is performed on each of the top and bottom surfaces of the thin-walled portion.

Abstract translation: 在基板处理装置的处理室中的部件，其中即使当前表面和后表面由于磨损而不平行时，也可以通过使用具有低相干光干涉的温度测量装置来精确地测量温度 ，等等。 在真空气氛中使用并且测量温度的聚焦环包括暴露于等离子体的研磨气氛的研磨表面，未暴露于研磨性气氛的非磨损表面，包括顶表面和底部的薄壁部分 表面彼此平行;以及涂覆部件，其涂覆在薄壁部分的顶表面上，其中在薄壁部分的每个顶表面和底表面上执行镜像整理。

公开(公告)号：US20130299455A1

公开(公告)日：2013-11-14

申请号：US13942106

申请日：2013-07-15

Applicant: Tokyo Electron Limited

Inventor： Chishio KOSHIMIZU ,  Jun YAMAWAKU ,  Tatsuo MATSUDO ,  Masashi SAITO

IPC: H05H1/24

CPC classification number: H05H1/24 ,  H01J37/32091 ,  H01J37/32522 ,  H01J37/32642 ,  H01J2237/334

Abstract: There are provided a method of heating a focus ring and a plasma etching apparatus, capable of simplifying a structure of a heating mechanism without a dummy substrate. The plasma etching apparatus includes a vacuum processing chamber; a lower electrode serving as a mounting table for mounting a substrate thereon; an upper electrode provided to face the lower electrode; a gas supply unit for supplying a processing gas; a high frequency power supply for supplying a high frequency power to the lower electrode to generate a plasma of the processing gas; and a focus ring provided on the lower electrode to surround a periphery of the substrate. In the plasma etching apparatus, the focus ring is heated by irradiating a heating light thereto from a light source provided outside the vacuum processing chamber.

Abstract translation: 提供了一种加热聚焦环和等离子体蚀刻装置的方法，其能够简化没有虚设基板的加热机构的结构。 等离子体蚀刻装置包括真空处理室; 用作安装基板的安装台的下电极; 设置成面向下电极的上电极; 用于提供处理气体的气体供应单元; 用于向下电极提供高频电力以产生处理气体的等离子体的高频电源; 以及设置在下电极上以围绕基板的周边的聚焦环。 在等离子体蚀刻装置中，通过从设置在真空处理室外侧的光源照射加热光来对聚焦环进行加热。