JP2019135749A - プラズマ処理装置 - Google Patents
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Abstract
Description
本実施例は、エッチング処理装置等のプラズマ処理装置に関し、処理室内で使用される試料台内部に配置された金属製電極ブロック(基材)のリフトピン用孔等の貫通孔に嵌め込まれるボスと電極ブロックとの相対的な配置および材料の構成に関するものである。
図3は、図1に示した実施例のプラズマ処理装置の第1の変形例に係る試料台の構成の概略を、模式的に示した縦断面図である。図3において、図1または2と同じ符号が付されている構成については、必要な場合以外の説明を省略する。
次に、図4を用いて、本発明の実施例の第2の変形例として、絶縁性ボス210−1乃至210−3の別の構成を説明する。図4は、図2に示す実施例で説明したプラズマ処理装置の本変形例に係る試料台4101の構成において、リフトピン209が設置される部分の周囲の概略を模式的に示した図である。
次に、本発明の実施例の更に別な第3の変形例を、図5を用いて説明する。図5は、図2に示した実施例のさらに別の変形例に係るプラズマ処理装置の試料台5101の構成において、リフトピン209が設置される部分の周囲の概略を模式的に示した図である。
20・・・真空容器
21・・・高周波電源
26・・・温調ユニット
31・・・処理室壁
32・・・蓋部材
33・・・処理室
34・・・ガス導入管
35・・・処理ガス
36・・・排気口
37・・・圧力調節バルブ
38・・・ターボ分子ポンプ
39・・・マイクロ波発振器
41・・・導波管
42・・・ソレノイドコイル
100・・・プラズマ処理装置
101,3101,4101,5101・・・試料台
202、3202,4202,5202・・・電極ブロック
202−1、4202−1、5202−1・・・下部層
202−2,3202−2、4202−2、5202−2・・・上部層
203・・・静電吸着層
203−1・・・内部電極
203−2・・・絶縁体
204・・・伝熱ガス供給通路
204−1・・・電極ブロック内通路
204−2・・・ガスライン
206・・・流量制御弁
207・・・直流電源
208・・・給電ライン
209・・・リフトピン
210−1,210−2,210−3,4210−3・・・絶縁性ボス
3202−3・・・中間層
3202−4・・・裏面層
4210−31・・・内側ボス
4210−32・・・外側ボス
5212−3・・・硬質接着層
5213−3・・・軟質接着層
5214−3・・・排気用溝
5215−3・・・排気孔
W・・・ウエハ。
Claims (8)
- 真空容器で形成された処理室と、
前記処理室の内部に設置されて被処理物を載置する試料台と、
真空ポンプを備えて前記処理室の内部を真空に排気する真空排気部と、
電源を備えて前記処理室の内部にプラズマを発生させるプラズマ発生部と
を備えたプラズマ処理装置であって、
前記試料台は、
内部に冷媒の流路が形成された第1の金属製の基材と、
前記第1の金属製の基材の上部にあって前記第1の金属製の基材よりも熱伝導率が小さい第2の金属製の基材と、
前記第2の金属製の基材の表面を覆う絶縁部材で形成され内部に電極が形成されて上面に載置した前記被処理物を静電気力で吸着する絶縁膜層と、
前記静電気力による吸着を停止した状態で前記被処理物を前記絶縁膜層の上面に対して上下に移動させる複数のリフトピンと
を備え、
前記第1の金属製の基材と前記第2の金属製の基材と前記絶縁膜層には複数の前記リフトピンを通す複数の貫通穴が形成されており、複数の前記貫通孔のそれぞれの内部には前記リフトピンと前記第1の金属製の基材及び前記第2の金属製の基材とを電気的に絶縁し、かつ熱伝導率が前記第2の金属製の基材よりも大きい絶縁部材で形成されたボスが挿入されていることを特徴とするプラズマ処理装置。 - 請求項1に記載のプラズマ処理装置であって、
前記ボスが挿入された状態で当該ボスの外側壁面と前記第2の金属製の基材に形成された前記貫通孔の内側壁面との隙間が前記ボスの外側壁面と前記第1の金属製の基材に形成された前記貫通孔の内側壁面との隙間より大きくされており、前記ボスの外側壁面と前記第1の金属製の基材の内側壁面との隙間に第1の接着剤が挟まれて前記ボスの外側壁面と前記第1の金属製の基材の内側壁面とが接続されていることを特徴とするプラズマ処理装置。 - 請求項2に記載のプラズマ処理装置であって、
前記第1の接着剤の熱伝導率が前記第2の金属製の基材の熱伝導率より大きいことを特徴とするプラズマ処理装置。 - 請求項2または3に記載のプラズマ処理装置であって、
前記第1の接着剤の剛性が前記第2の金属製の基材の剛性より小さいことを特徴とするプラズマ処理装置。 - 請求項2乃至4の何れかに記載のプラズマ処理装置であって、
前記ボスの外側壁面と前記第2の金属製の基材に形成された前記貫通孔の内側壁面との隙間に第2の接着剤が挟まれて前記ボスの外側壁面と前記第2の金属製の基材とが接続され、前記ボスの外側壁面と前記第2の金属製の基材との間の隙間と前記第1の金属製の基材の外部とを連通する連通路を備えたことを特徴とするプラズマ処理装置。 - 請求項1記載のプラズマ処理装置であって、前記ボスは内側と外側の二層を有し、前記内側の層は、前記外側の層よりも絶縁性が高く熱伝導率が低い材料で形成されていることを特徴とするプラズマ処理装置。
- 請求項1乃至6の何れかに記載のプラズマ処理装置であって、
前記第2に金属製の基材がチタンまたはチタン合金を材料として形成され、前記第1の金属製の基材がアルミまたはアルミ合金を材料として形成されていることを特徴とするプラズマ処理装置。 - 請求項7に記載のプラズマ処理装置であって、
前記ボスが窒化アルミを材料として形成されていることを特徴とするプラズマ処理装置。
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Application Number | Priority Date | Filing Date | Title |
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JP2018018324A JP7064895B2 (ja) | 2018-02-05 | 2018-02-05 | プラズマ処理装置 |
KR1020180090646A KR102092623B1 (ko) | 2018-02-05 | 2018-08-03 | 플라스마 처리 장치 |
US16/110,525 US10741368B2 (en) | 2018-02-05 | 2018-08-23 | Plasma processing apparatus |
TW107130279A TWI694750B (zh) | 2018-02-05 | 2018-08-30 | 電漿處理裝置 |
CN201910061907.1A CN110120329B (zh) | 2018-02-05 | 2019-01-22 | 等离子体处理装置 |
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JP2018018324A JP7064895B2 (ja) | 2018-02-05 | 2018-02-05 | プラズマ処理装置 |
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CN111512428A (zh) * | 2017-12-28 | 2020-08-07 | 住友大阪水泥股份有限公司 | 静电卡盘装置 |
US12120781B2 (en) * | 2019-04-16 | 2024-10-15 | Niterra Co., Ltd. | Method of manufacturing holding device, method of manufacturing structure for holding device, and holding device |
KR20210016828A (ko) | 2019-08-05 | 2021-02-17 | 주식회사 엘지화학 | 배터리 관리 장치, 배터리 관리 방법 및 배터리 팩 |
JP7278175B2 (ja) * | 2019-08-23 | 2023-05-19 | 東京エレクトロン株式会社 | 基板処理装置、基板処理装置の製造方法及びメンテナンス方法 |
CN112420592A (zh) * | 2019-08-23 | 2021-02-26 | 中微半导体设备(上海)股份有限公司 | 一种含可调节升降顶针组件的等离子处理装置及其方法 |
US11075104B2 (en) * | 2019-08-27 | 2021-07-27 | Taiwan Semiconductor Manufacturing Company Limited | Semiconductor chuck and method of making |
KR102635673B1 (ko) * | 2019-09-30 | 2024-02-14 | 주식회사 엘지화학 | 탈휘발화 시스템, 이를 이용한 탈휘발화 방법 및 스티렌-니트릴계 공중합체의 제조방법 |
JP7426842B2 (ja) * | 2020-02-12 | 2024-02-02 | 東京エレクトロン株式会社 | ステージ装置、給電機構、および処理装置 |
CN113436956B (zh) * | 2021-08-26 | 2022-02-25 | 湖北灿睿光电科技有限公司 | 电极、干蚀刻设备和制造电极的方法 |
JP2023056710A (ja) | 2021-10-08 | 2023-04-20 | 日本碍子株式会社 | ウエハ載置台 |
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TW201936014A (zh) | 2019-09-01 |
TWI694750B (zh) | 2020-05-21 |
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JP7064895B2 (ja) | 2022-05-11 |
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