JP7204893B2 - ガスプラグ、静電吸着用部材およびプラズマ処理装置 - Google Patents
ガスプラグ、静電吸着用部材およびプラズマ処理装置 Download PDFInfo
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- JP7204893B2 JP7204893B2 JP2021511942A JP2021511942A JP7204893B2 JP 7204893 B2 JP7204893 B2 JP 7204893B2 JP 2021511942 A JP2021511942 A JP 2021511942A JP 2021511942 A JP2021511942 A JP 2021511942A JP 7204893 B2 JP7204893 B2 JP 7204893B2
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- silicon
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- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
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Description
但し、D:気孔径(m)
p:水銀に加えられた圧力
γ:水銀の表面張力(0.48N/m)
θ:水銀と細孔壁面の接触角(140°)
式(2)から各圧力pに対する各気孔径Dが求められ、各気孔径Dに対する気孔の容積分布および累積容積を導くことができる。
(非連結部27の面積比率)
={(非連結部27の面積)/(珪素相25の面積+非連結部27の面積)}×100(%) ・・・(1)
非連結部27の面積比率を求めるには、先ず、多孔質複合体の一部を真空中でポリエステル系の冷間埋込樹脂(例えば、丸本ストルアス製、No.105)に埋め込んで円柱状の試料とする。そして、この試料の端面をダイヤモンド砥粒(例えば、フジミインコーポレーテッド製、FDCW-0.3)を用いて研磨して鏡面とする。その後、工業用顕微鏡(ニコン製、ECLIPSE LV150)を用いて、この鏡面を5~50倍にて撮影した画像をJPEG形式にて保存する。
JIS R 1601:2008(ISO 14704:2000)に準拠して求めればよい。
2:下部容器
3:処理チャンバー
4:支持テーブル
5:静電チャック
6:半導体基板
7:ガスノズル
8:誘導コイル
9:真空ポンプ
10:プラズマ処理装置
11:取付プレート
12:絶縁プレート
13:設備プレート
14:伝熱部材
15:絶縁基体
16:接合層
17:吸着用電極
18:リード線
19:直流電源
20: 通気孔
21、22:ガスプラグ
23:環状部材
24:珪素化合物相
25:珪素相
26:気孔
27:非連結部
Claims (10)
- 複数の珪素化合物相どうしが、珪素を主成分とする珪素相を介して接続されてなる柱状の多孔質複合体からなり、
前記多孔質複合体は、気孔径と気孔の累積容積との関係を示す累積分布曲線における累積20体積%の気孔径(p20)に対する累積80体積%の気孔径(p80)の比(p80/p20)が1.2以上1.6以下である、ガスプラグ。 - 前記珪素化合物相は、炭化珪素を主成分とする、請求項1に記載のガスプラグ。
- 前記珪素化合物相の断面形状は、多角形状である、請求項1または請求項2に記載のガスプラグ。
- 前記珪素化合物相の少なくともいずれかの表面は凹部を有する、請求項1乃至請求項3のいずれかに記載のガスプラグ。
- 前記珪素相における鉄の含有量が0.4質量%以下である、請求項1乃至請求項4のいずれかに記載のガスプラグ。
- 前記珪素化合物相および前記珪素相の周囲に、導電性を有する撥水性樹脂が被着されてなる、請求項1乃至請求項5のいずれかに記載のガスプラグ。
- 前記撥水性樹脂がフッ素化したポリシロキサンを含む化合物またはシリコーンオリゴマーを含む組成物である、請求項6に記載のガスプラグ。
- 前記多孔質複合体と、緻密質のセラミックスからなる筒状体とからなり、前記多孔質複合体は、前記筒状体の内部に収容されてなる、請求項1乃至請求項7のいずれかに記載のガスプラグ。
- 請求項1乃至請求項8のいずれかに記載のガスプラグを厚み方向に延びる通気孔の内部に装着してなる静電吸着用部材。
- 処理チャンバーと、該処理チャンバー内に請求項9に記載の静電吸着用部材と、を備えてなるプラズマ処理装置。
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JP2004276131A (ja) | 2003-03-12 | 2004-10-07 | Ckd Corp | 真空チャック |
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JP2016096336A (ja) | 2014-11-07 | 2016-05-26 | Toto株式会社 | 静電チャックおよびウェーハ処理装置 |
JP2017538278A (ja) | 2014-10-17 | 2017-12-21 | アプライド マテリアルズ インコーポレイテッドApplied Materials,Incorporated | 高温処理用静電チャックアセンブリ |
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US20080254220A1 (en) * | 2006-01-20 | 2008-10-16 | Tokyo Electron Limited | Plasma processing apparatus |
WO2011043434A1 (ja) * | 2009-10-07 | 2011-04-14 | 日本碍子株式会社 | ハニカム構造体 |
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US10340171B2 (en) * | 2016-05-18 | 2019-07-02 | Lam Research Corporation | Permanent secondary erosion containment for electrostatic chuck bonds |
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