公开(公告)号：US20160379805A1

公开(公告)日：2016-12-29

申请号：US15258607

申请日：2016-09-07

Applicant: TOKYO ELECTRON LIMITED

Inventor： Akira KOSHIISHI ,  Masaru Sugimoto ,  Kunihiko Hinata ,  Noriyuki Kobayashi ,  Chishio Koshimizu ,  Ryuji Ohtani ,  Kazuo Kibi ,  Masashi Saito ,  Naoki Matsumoto ,  Yoshinobu Ohya ,  Manabu Iwata ,  Daisuke Yano ,  Yohei Yamazawa ,  Hidetoshi Hanaoka ,  Toshihiro Hayami ,  Hiroki Yamazaki ,  Manabu Sato

IPC: H01J37/32 ,  H01L21/67

CPC classification number: H01J37/32422 ,  H01J37/32018 ,  H01J37/32091 ,  H01J37/3244 ,  H01J37/32522 ,  H01J37/32834 ,  H01J2237/2001 ,  H01J2237/334 ,  H01J2237/3344 ,  H01L21/67069 ,  Y10S156/915

Abstract: A plasma etching apparatus includes an upper electrode and a lower electrode, between which plasma of a process gas is generated to perform plasma etching on a wafer W. The apparatus further comprises a cooling ring disposed around the wafer, a correction ring disposed around the cooling ring, and a variable DC power supply directly connected to the correction ring, the DC voltage being preset to provide the correction ring with a negative bias, relative to ground potential, for attracting ions in the plasma and to increase temperature of the correction ring to compensate for a decrease in temperature of a space near the edge of the target substrate due to the cooling ring.

Abstract translation: 等离子体蚀刻装置包括上电极和下电极，在其间产生处理气体的等离子体以在晶片W上进行等离子体蚀刻。该装置还包括设置在晶片周围的冷却环，设置在冷却周围的校正环 环和直接连接到校正环的可变直流电源，所述直流电压被预设为向校正环提供相对于地电位的负偏压，用于吸引等离子体中的离子并将校正环的温度增加到 补偿由于冷却环导致的目标基板的边缘附近的空间的温度的降低。

公开(公告)号：US20160358753A1

公开(公告)日：2016-12-08

申请号：US15238526

申请日：2016-08-16

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

IPC: H01J37/32 ,  H01L21/311 ,  H01L21/02 ,  H01L21/67

CPC classification number: H01J37/32091 ,  H01J37/32082 ,  H01J37/32174 ,  H01J37/32348 ,  H01J37/3244 ,  H01J37/32541 ,  H01J37/32568 ,  H01J37/32642 ,  H01J37/32706 ,  H01J37/32834 ,  H01J2237/3344 ,  H01L21/02126 ,  H01L21/02164 ,  H01L21/0217 ,  H01L21/31116 ,  H01L21/31138 ,  H01L21/31144 ,  H01L21/67069

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 is connected to the upper electrode. 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 while any one of application voltage, application current, and application power from the variable DC power supply to the upper electrode is controlled, 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电源连接到上电极。 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。 将处理气体供给到处理室中，同时控制来自可变直流电源到上部电极的施加电压，施加电流和施加电力中的任何一个，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：US09167680B2

公开(公告)日：2015-10-20

申请号：US14011860

申请日：2013-08-28

Applicant: TOKYO ELECTRON LIMITED

Inventor： Yohei Yamazawa ,  Takafumi Kimura ,  Chishio Koshimizu

IPC: H01Q1/26 ,  H01J7/24 ,  H05H1/46 ,  H01J37/32

CPC classification number: H05H1/46 ,  H01J37/321 ,  H01J37/3211 ,  H01J37/32119 ,  H05H2001/4667

Abstract: A plasma processing apparatus includes: a mounting table, disposed in a processing chamber, configured to mount thereon the substrate; an inductively coupled antenna disposed outside the processing chamber to be opposite to the mounting table, the inductively coupled antenna being connected to a high frequency power supply; and a window member forming a wall of the processing chamber which faces the inductively coupled antenna. The window member includes a plurality of conductive windows made of a conductive material, and dielectric portions disposed between the conductive windows. The inductively coupled antenna is extended in a predetermined direction on the window member and electrically connected to one of the conductive windows, and electrical connection by conductors is sequentially performed from the one of the conductive windows to the other conductive windows in the same direction as an extension direction of the inductively coupled antenna.

Abstract translation: 一种等离子体处理装置，包括：安装台，设置在处理室中，构造成安装在其上; 电感耦合天线，其设置在与所述安装台相对的所述处理室的外部，所述感应耦合天线连接到高频电源; 以及形成处理室的壁的窗构件，其面对电感耦合天线。 窗构件包括由导电材料制成的多个导电窗，以及设置在导电窗之间的电介质部分。 电感耦合天线在窗构件上沿预定方向延伸并电连接到导电窗中的一个，并且通过导体的电连接从一个导电窗口顺序地执行到与其它导电窗口相同的方向 电感耦合天线的延伸方向。

公开(公告)号：US20140170859A1

公开(公告)日：2014-06-19

申请号：US14100224

申请日：2013-12-09

Applicant: Tokyo Electron Limited

Inventor： Jun YAMAWAKU ,  Chishio Koshimizu ,  Yohei Yamazawa ,  Mitsuhiro Tachibana ,  Hitoshi Kato ,  Takeshi Kobayashi ,  Shigehiro Miura ,  Takafumi Kimura

IPC: H01L21/02 ,  H01L21/67

CPC classification number: H01J37/321 ,  C23C16/45536 ,  C23C16/45551 ,  C23C16/4584 ,  H01J37/32082 ,  H01J37/3211 ,  H01J37/3244 ,  H01J37/32651 ,  H01J37/32715 ,  H01J37/32733 ,  H01J37/32752 ,  H01L21/02164 ,  H01L21/02167 ,  H01L21/0217 ,  H01L21/02211 ,  H01L21/02214 ,  H01L21/02219 ,  H01L21/02274 ,  H01L21/0228 ,  H01L21/68764 ,  H01L21/68771

Abstract: A film formation device to conduct a film formation process for a substrate includes a rotating table, a film formation area configured to include a process gas supply part, a plasma processing part, a lower bias electrode provided at a lower side of a position of a height of the substrate on the rotating table, an upper bias electrode arranged at the same position of the height or an upper side of a position of the height, a high-frequency power source part connected to at least one of the lower bias electrode and the upper bias electrode and configured to form a bias electric potential on the substrate in such a manner that the lower bias electrode and the upper bias electrode are capacitively coupled, and an exhaust mechanism.

Abstract translation: 用于对基板进行成膜处理的成膜装置包括旋转台，成膜区域，其被配置为包括处理气体供给部，等离子体处理部，设置在位置的下侧的下偏置电极 位于旋转台上的基板的高度，布置在高度位置的相同位置的上偏置电极或高度位置的上侧;高频电源部分，连接到下偏置电极和下偏置电极中的至少一个; 所述上偏置电极并且被配置为以所述下偏置电极和所述上偏置电极电容耦合的方式在所述衬底上形成偏置电位，以及排气机构。

公开(公告)号：US20240213005A1

公开(公告)日：2024-06-27

申请号：US18146253

申请日：2022-12-23

Applicant: Tokyo Electron Limited

Inventor： Merritt Funk ,  Barton Lane ,  Yohei Yamazawa

IPC: H01J37/32 ,  H01P7/06

CPC classification number: H01J37/3299 ,  H01J37/32091 ,  H01J37/3211 ,  H01J37/32165 ,  H01P7/06 ,  H01J37/32743 ,  H01J2237/24564 ,  H01J2237/24585 ,  H01J2237/334

Abstract: An apparatus for plasma processing includes an RF power source and a set of resonating structures coupled to the RF power source. The resonating structures include a first region and a second region adjacent to the second region. The first region includes a first antenna and a first coupling circuit, the first coupling circuit being outside a coupling of the RF power source to the first region, where the first coupling circuit is configured to adjust a power distribution of the first region. The second region includes a second antenna.

公开(公告)号：US11410832B2

公开(公告)日：2022-08-09

申请号：US16913548

申请日：2020-06-26

Applicant: Tokyo Electron Limited

Inventor： Merritt Funk ,  Yohei Yamazawa ,  Chelsea Dubose ,  Barton Lane

IPC: H01J37/32 ,  H01J37/244

Abstract: In accordance with an embodiment, a measurement system includes a sensor circuit configured to provide a voltage sense signal proportional to an electric field sensed by the RF sensor and a current sense signal proportional to a magnetic field sensed by the RF sensor; an analysis circuit comprising a frequency selective demodulator circuit configured to: demodulate the voltage sense signal into a first set of analog demodulated signals according to a set of demodulation frequencies, demodulate the current sense signal into a second set of analog demodulated signals according to the set of demodulation frequencies, and determine a phase shift between the voltage sense signal and the current sense signal for at least one frequency of the set of demodulation frequencies; and analog-to-digital converters configured to receive the first and second sets of analog demodulated signals.

公开(公告)号：US10546727B2

公开(公告)日：2020-01-28

申请号：US15258607

申请日：2016-09-07

Applicant: TOKYO ELECTRON LIMITED

Inventor： Akira Koshiishi ,  Masaru Sugimoto ,  Kunihiko Hinata ,  Noriyuki Kobayashi ,  Chishio Koshimizu ,  Ryuji Ohtani ,  Kazuo Kibi ,  Masashi Saito ,  Naoki Matsumoto ,  Yoshinobu Ohya ,  Manabu Iwata ,  Daisuke Yano ,  Yohei Yamazawa ,  Hidetoshi Hanaoka ,  Toshihiro Hayami ,  Hiroki Yamazaki ,  Manabu Sato

IPC: C23F1/00 ,  H01L21/306 ,  H01J37/32 ,  H01L21/67

Abstract: A plasma etching apparatus includes an upper electrode and a lower electrode, between which plasma of a process gas is generated to perform plasma etching on a wafer W. The apparatus further comprises a cooling ring disposed around the wafer, a correction ring disposed around the cooling ring, and a variable DC power supply directly connected to the correction ring, the DC voltage being preset to provide the correction ring with a negative bias, relative to ground potential, for attracting ions in the plasma and to increase temperature of the correction ring to compensate for a decrease in temperature of a space near the edge of the target substrate due to the cooling ring.

公开(公告)号：US09953811B2

公开(公告)日：2018-04-24

申请号：US14325457

申请日：2014-07-08

Applicant: TOKYO ELECTRON LIMITED

Inventor： Yohei Yamazawa

IPC: H01L21/306 ,  C23C16/00 ,  H01J37/32 ,  H01J37/02

CPC classification number: H01J37/32697 ,  H01J37/02 ,  H01J37/321 ,  H01J37/3211 ,  H01J37/32119 ,  H01J37/32137 ,  H01J37/32174 ,  H01J37/3244 ,  H01J2237/327 ,  H01J2237/3341

Abstract: A plasma processing method for performing a plasma process on a processing target substrate is provided. The plasma processing method includes: segmenting a RF antenna into an inner coil, an intermediate coil, and an outer coil with gaps therebetween in a radial direction, respectively, the inner coil, the intermediate coil and the outer coil being electrically connected to one another in parallel between a first node and a second node; providing a variable intermediate capacitor and a variable outer capacitor between the first node and the second node, the variable intermediate capacitor being electrically connected in series to the intermediate coil, the variable outer capacitor being electrically connected in series to the outer coil, no reactance device being connected to the inner coil; and controlling plasma density distribution on the processing target substrate by selecting or variably adjusting electrostatic capacitances of the intermediate capacitor and the outer capacitor.

公开(公告)号：US09502215B2

公开(公告)日：2016-11-22

申请号：US14538981

申请日：2014-11-12

Applicant: Tokyo Electron Limited

Inventor： Hitoshi Kato ,  Shigehiro Miura ,  Chishio Koshimizu ,  Jun Yamawaku ,  Yohei Yamazawa

IPC: H01J37/32

CPC classification number: H01J37/3211 ,  H01J37/321 ,  H01J37/32651

Abstract: A plasma processing apparatus is provided. According to the apparatus, a main antenna connected to a high frequency power source and an auxiliary antenna electrically insulated from main antenna is arranged. Moreover, projection areas when the main antenna and the auxiliary antenna are seen in a plan view are arranged so as not to overlap with each other. More specifically, the auxiliary antenna is arranged on a downstream side in a rotational direction of the turntable relative to the main antenna. Then, a first electromagnetic field is generated in the auxiliary antenna by way of an induction current flowing through the main antenna, and a second induction plasma is generated even in an area under the auxiliary antenna in addition to an area under the main antenna by resonating the auxiliary antenna.

Abstract translation: 提供了一种等离子体处理装置。 根据该装置，设置连接到高频电源的主天线和与主天线电绝缘的辅助天线。 此外，在平面图中看到主天线和辅助天线的投影区域被布置成彼此不重叠。 更具体地，辅助天线布置在转台相对于主天线的旋转方向的下游侧。 然后，通过流经主天线的感应电流在辅助天线中产生第一电磁场，除辅助天线之下的区域之外，还产生第二感应等离子体 辅助天线。

公开(公告)号：US09490105B2

公开(公告)日：2016-11-08

申请号：US14070190

申请日：2013-11-01

Applicant: TOKYO ELECTRON LIMITED

Inventor： Akira Koshiishi ,  Masaru Sugimoto ,  Kunihiko Hinata ,  Noriyuki Kobayashi ,  Chishio Koshimizu ,  Ryuji Ohtani ,  Kazuo Kibi ,  Masashi Saito ,  Naoki Matsumoto ,  Yoshinobu Ohya ,  Manabu Iwata ,  Daisuke Yano ,  Yohei Yamazawa ,  Hidetoshi Hanaoka ,  Toshihiro Hayami ,  Hiroki Yamazaki ,  Manabu Sato

IPC: C23F1/00 ,  C23C16/00 ,  H01L21/306 ,  H01J37/32

CPC classification number: H01J37/32422 ,  H01J37/32018 ,  H01J37/32091 ,  H01J37/3244 ,  H01J37/32522 ,  H01J37/32834 ,  H01J2237/2001 ,  H01J2237/334 ,  H01J2237/3344 ,  H01L21/67069 ,  Y10S156/915

Abstract: A plasma processing apparatus includes a first and second electrodes disposed on upper and lower sides and opposite each other within a process container, a first RF power application unit and a DC power supply both connected to the first electrode, and second and third radio frequency power application units both connected to the second electrode. A conductive member is disposed within the process container and grounded to release through plasma a current caused by a DC voltage applied from the DC power supply. The conductive member is supported by a first shield part around the second electrode and laterally protruding therefrom at a position between the mount face of the second electrode and an exhaust plate for the conductive member to be exposed to the plasma. The conductive member is grounded through a conductive internal body of the first shield part.

Abstract translation: 一种等离子体处理装置，包括在处理容器内设置在上侧和下侧并彼此相对的第一和第二电极，连接到第一电极的第一RF电力施加单元和DC电源，以及第二和第三射频功率 应用单元都连接到第二电极。 导电构件设置在处理容器内并接地以通过等离子体释放由直流电源施加的直流电压引起的电流。 导电构件由第二电极周围的第一屏蔽部分支撑，并且在第二电极的安装面和用于导电构件的排气板之间的位置处侧向突出以暴露于等离子体。 导电构件通过第一屏蔽部分的导电内部主体接地。