TW200834801A - Ceramic heater with electrostatic chuck - Google Patents
Ceramic heater with electrostatic chuck Download PDFInfo
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- TW200834801A TW200834801A TW096138977A TW96138977A TW200834801A TW 200834801 A TW200834801 A TW 200834801A TW 096138977 A TW096138977 A TW 096138977A TW 96138977 A TW96138977 A TW 96138977A TW 200834801 A TW200834801 A TW 200834801A
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- electrostatic chuck
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- 239000000919 ceramic Substances 0.000 title claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 11
- 239000010439 graphite Substances 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims abstract description 9
- 239000000758 substrate Substances 0.000 claims abstract description 9
- 239000002131 composite material Substances 0.000 claims abstract description 4
- 229910052799 carbon Inorganic materials 0.000 claims abstract 4
- 239000003989 dielectric material Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 13
- 238000005979 thermal decomposition reaction Methods 0.000 claims description 5
- 239000004575 stone Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims 1
- 238000009826 distribution Methods 0.000 abstract description 11
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 45
- 235000012431 wafers Nutrition 0.000 description 12
- 239000004020 conductor Substances 0.000 description 8
- 239000004065 semiconductor Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000003068 static effect Effects 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 229910052582 BN Inorganic materials 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 241000282320 Panthera leo Species 0.000 description 1
- 239000010242 baoji Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—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
- 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
- H01L21/6831—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 using electrostatic chucks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—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
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67098—Apparatus for thermal treatment
- H01L21/67103—Apparatus for thermal treatment mainly by conduction
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
- H05B3/141—Conductive ceramics, e.g. metal oxides, metal carbides, barium titanate, ferrites, zirconia, vitrous compounds
- H05B3/143—Conductive ceramics, e.g. metal oxides, metal carbides, barium titanate, ferrites, zirconia, vitrous compounds applied to semiconductors, e.g. wafers heating
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
- Resistance Heating (AREA)
- Chemical Vapour Deposition (AREA)
- Drying Of Semiconductors (AREA)
Description
200834801 九、發明說明: 【發明所屬之技術領域】 本發明係關於一種附設靜電吸盤之陶瓷加熱器,該附設靜電 吸盤之陶瓷加熱器被使用於半導體裝置之製造製程中之CVD^1 ,濺鍍裝置内,或是用以對於所產生之薄膜加以蝕刻的蝕刻裝置 等内,用以將係被加熱物之半導體晶圓加以加熱並固持、固/定^。 【先前技術】 置將ΐϊΓΐΐΐ導體用裝置時’係使用#由CVD裝置或錢鑛裝 、導電材料膜、介電材料膜等薄膜形成於 千寺脰日日®上,或是反過來藉由蝕刻裝置蝕刻此等薄膜之 —if等裝置中,為轉上述薄膜之形成或綱之品質, ΐ 之半導體晶圓溫度均勻至並維持固定於所期望之溫 i晶圓 附設吸盤之加熱11,絲_、_並加熱半導 但因ί3 薄膜材料,以往係使用真空(減壓)吸盤機構, “益加熱半導體晶圓時係於減壓氛圍中進行 吏用mm) Γ機構’為了狀半導體晶圓、 壯且在最近有人提議i此等Ί—L、日 有時具有靜電吸附功能之晶圓加熱器。 —燒結體,為基材(參照專利文獻3)。此誠係 之陶陶Γ ====中經燒結而成者。如此 材料所構成綱婦熱體等不同種 應變會成為發生鱗究加熱器上並進行加熱時,上述 …亥曰曰51之間之面接觸不良之原因,而該面接觸 200834801 不气會成為魏溫度分布之原因。 基材p;:應;方法,顺 面昇降溫,爾二 亦即若發生破損。且亦導致下列問題之產生, 加熱==二1;2發有-加熱器,其係-體型電阻 由熱化學氣相加熱器’其製作方法係藉 絕緣層在由料法)域域分解氮化顯構成之 案並接人之二t/、 構成之導電層加工成加熱器圖 5)。 崎此復盍该加熱為(蒼照專利文獻4、專利文獻 呈有之多層之附設靜電吸盤之陶曼加熱器,由於 因學上亦屬穩定’並在擊方面表現優異,' 使用於需進行急速之昇降溫之各種領域中。 ” 其廣泛使用於,例如半導體晶圓之製造領域中,呈 使用於以單片式逐一處理半導體晶圓茸 / — 口 行處理之步驟中。 04又式使溫度變化以進 CVD^t^4 ’ϋΐ之附設靜電吸盤之陶竟加熱器整體係以 所錄子界面,因此不產生釋放氣體,於.內 逐漸tr财蝴啸轉待造成孩之料,目此其Ϊ用 【專利文獻1】日本特開昭52 — 673S3號公報 ,【專利文獻2】日本特開昭59一124141號公報 【專利文獻3】日本特開平4一358074號公報 200834801 Εί:ΪΪ=】a本特開平5-129210號公報 【專利文獻5】日本制平7—丨祕號公報 【發明内容】 電極該之喊加熱器具料(支持)基材、 而成二ίΐ、!冓述而言,此等層雖係以CVD法所㈣ ,吾二; 由於ΐϊίίί 係數之介電材料層(保護膜)時’ (係») 之所支配,該吸附力與介電材料層 r厚,:之1= 果會招致吸附力之面内不二結 且載置面-旦亦1使被㈣物之溫度分布不均。 凹凸狀之來壯、*為上述凹凸狀,則被加熱物在被吸附時會以沪哕 而使產生微㈡ί5Ξ置;以意::!〔卜周之摩擦力 制微粒之產生係非體福使產缺昇,盡力抑 =述來人皆期待能使吸附力之面内分布岣勺且# ^ if:度分布均-化獲得提昇之技術誕生 _^^此-糾期狀顺鱗題。 為解决上逃問題而研製之本發明係一種附設靜電吸盤之陶究 200834801 ^電i於面具有靜料翻雜,於另—面具有加熱 介電iii戶tsiisgt斗所盤用電極被由 厚在5_以上、200_ & =魏(介電材料層)之膜 層)之(覆蓋靜電吸盤用電極之介電材料 間之差值在30μπι以内。 )取大膜厚與取小膜厚之 且該保護膜(介電材料声)皆士為八&斤 電吸盤用電極及加熱用電極4 所構成’該靜 有硼之熱分解石墨。 ^、、、s )且為…、为解石墨或是添加 發明之效果 藉由使介電材料層膜厚在5〇 —棘該介電材料層(保護膜)之二下之範圍内, 最大膜厚與最小膜厚之間之差值㈣極之部分之) 口,之_熱器,使;= 二吾人可以 要之作料間,同時,提㈣造裝置之產能。 【實施方式】 t遂螢明之最佳形態 膜)範材料層(保護 Cfr至既繼提昇:==== 提昇製造裝置之產能要之作業時間’同時, 以下參照圖示詳細説明本發明。 形態於圖丨巾齡本發日狀騎靜電讀之喊加Μ之一實施 顯示於圖1,屬於本發明之附設靜電吸盤之陶兗加熱器1之構 200834801 ^如了’亦即在由碳献礙複合材料所構成之支絲材2 上形成至少-層絕緣層3、4,在該絕緣層3、4 、且在該導電材料層5、6之上至少形成有一層介以 主面’例如圖1之頂面為晶圓之載置面9 ’以另一侧 之主面,例如圖1之底面為加熱面1〇。載置面9 膜之層電==保護 將係加熱用電極之導電材料層6設置於表面,。、不°又保D又版,而 —猜基ί 且耐熱衝擊特性優 複合材料中可舉c/c==。。石反中可舉石墨等為例,石炭 建議:3=需獅脹係數接近基材者, 义力宜為熱分解石墨 “嶋奴帽料i 分解法。 有CH4之熱为解法或是ch4&bci3之熱 導電材料層5、6之夢作方沐在生/ 之導電材料層5作為靜f 均-層,再分別將-側 層並各自料層(發熱 —包材科層5(靜電吸般用帝屯々口木 介電f斗層7成為該導電“層5之保謹膜包材料層7覆蓋,使該 造之熱分解氮化 10 200834801 、、θ中硼具有高純度之特性且在化學上亦屬穩定,於高 5響持1^電阻,因此漏電流亦少,幾乎不對裂置造成任何 電材料層7之膜厚宜在50μιη以上、2〇〇μπ1以下之範圍内, 80=以上、120,以下則更佳。厚度若超過㈣,即會 附力降? ’被加熱物之昇溫速度變得極端缓慢,生產力二圭。 ㈣度若低於5〇μΠ1,介電材料層7會在被施以高電壓時發生 了緣破壞之現象。亦即若欲使該介電㈣層7 _ 吸^ J絕緣破壞耐電壓特性雙方,使其膜厚處於此範圍内:相當g 且:丨,材料層7之最大膜厚與最小膜厚之間之差值宜在m 上内’該差值若大於30μιη,由於使面内吸附量不均勻,因此垆 冒使被吸附物之面内溫度分布亦發生差異,其將導致 ίΪΚ之此時介電材料層7膜厚之測定方法係藉由超‘“膜 ^電材料層6係由介電材料層8所覆蓋,使該介電材料層8 . 導電材料層6與台座之間之絕緣層。介電材料層%絕 且由熱分解氮化硼(PBN)塗布成一體以構成之。其層厚宜在f j 〜300μιη之範圍内。 曰 【實施例】 實施例及比較例以具體説明本發明,惟本發明並不 限疋於此等者之内。 〔實施例1〕 準備直徑200mm、厚l5mm之石墨基材(支持基使 有氨與三氯化蝴之氣體在180(TC、約13.33kPa (100T〇r〇之^ 下反應,以形成由熱分解氮化硼所構成之保護層在(支持) 上。、土河 接著在22〇(TC、約666.6kPa (5T〇rr)之條件下將甲 分解在該保護層上’以形成厚1〇〇μιη之熱分解石黑層。〃 fe”、、 11 200834801 舞此熱分解石墨層之表面侧加工為電極圖案,以作為靜電吸 附用電極,將該熱分解石墨層之背面侧加工為加熱器圖案,以 為發熱層。 然後在2000。〇、約666.6kPa (5Torr)之條件下,使氨與三氯 化,之混合氣體反應於此熱分解石墨層之兩面上,以形成由熱分 解氮化硼所構成,厚200μηι之絕緣層。 接著加工載置面以使載置面之膜厚均一,以製造膜厚分布在 70〜90μπι之範圍内之附設加熱器功能之靜電吸盤。 、—加熱此加熱器至3〇〇。(:,施以±2〇〇〇V之電壓,使嵌入有溫度 成1疋用熱迅偶之石夕晶圓吸附,於施加電壓丨分 分布,顯示面内溫度分布良好,為29〇〜295。〇 /』$皿度 〔實施例2〕 制义除^面内膜厚分布為1⑽〜11G,以外,皆依照實施例1,以 衣k附設靜電吸盤之陶瓷加熱器。 為^此加熱器加熱至30(rc,晶圓之溫度分布良好,其不均度Δτ 又,於表1中顯示有加熱器形狀及晶圓之溫度分布。 〔比較例1〕 ^ 制2使Ϊ内膜厚分布為漏〜18。,以外,皆依照實施例1,以 衣以附设靜電吸盤之陶瓷加熱器。 〔比==〕熱器加熱至3〇(rc,晶圓之溫度分布為255〜285〇c。 ,ΐΐ内Ϊ厚分布為4Q〜6ϋμιη以外,皆依照實施例1,以製史 附设静電吸盤之陶瓷加熱器。 圓於ΐΐ此ϊίϊΐ 300。。,置放嵌入有溫度測定用熱電偶之矽晶 壓後發現,無法施加電壓至±3,以上。自二 置上將其卸下以觀察表面,確認已發生絕緣破壞。 衣 【表1】實施例及比較例中加熱器形狀與其性能 12 200834801 最小膜厚 (μιη) 最大膜厚面内膜厚 (_) I (μτη) 加熱器設施加電壓晶圓溫度
【產業上利用性】 依本發明可提供-種在處置半導體晶圓 3盤之陶竟加熱器,其中該附設靜電吸之附設靜 :隹持性表王,因此對製造半導_置之產業===面 【圖式簡單說明】 之一實施形 :剖面圖 【主要元件符號說明】 附設靜電吸盤之陶瓷加熱器 (支持)基材 、… 3、4〜絕緣層 5、6〜導電材料層(電極層) 7、8〜介電材料層(保護膜) 9〜载置面 10〜加熱面 圖1係顯示本發明之附設靜電吸麵 恕之示意剖面圖。 电夂嘁之陶免加熱器 2, 13
Claims (1)
- 200834801 十、申清專利範圍: 1.-種附設靜電吸盤 吸盤用電極,於另—面具有加於基材之—面具有靜電 5亥基材由碳或是碳複合材料戶斤二f ’其特徵在於: 以介電材彻構成之簡麻以!#成’該靜電吸制電極藉由 之膜厚在50//m以上 亥保護膜(介電材料層) 材料層)之(覆蓋靜電吸盤用電^内,且該保護膜(介電 厚間之差值在30/zm以内。 "刀之)隶大膜厚與最小膜 2·如申請專利範圍第〗項之 # 中該保護膜(介電材料層)由舞分解电吸盤之陶瓷加熱器,其 3.如申請專利範圍第‘以二,成。 器,其中該靜電吸盤用電極及加熱用電吸盤之陶竟加熱 墨或是溱加有棚之熱分解石墨。 ° I熱層)’係熱分解石 十一、圖式: 14
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JP2006347875A JP2008159900A (ja) | 2006-12-25 | 2006-12-25 | 静電チャック付きセラミックヒーター |
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TW200834801A true TW200834801A (en) | 2008-08-16 |
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TW096138977A TW200834801A (en) | 2006-12-25 | 2007-10-18 | Ceramic heater with electrostatic chuck |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI567824B (zh) * | 2010-12-27 | 2017-01-21 | Creative Tech Corp | Workpiece heating device and workpiece handling device |
TWI724399B (zh) * | 2019-04-02 | 2021-04-11 | 建泓科技實業股份有限公司 | 靜電吸盤陶瓷絕緣結構與製造方法 |
WO2022077821A1 (zh) * | 2020-10-12 | 2022-04-21 | 烟台睿瓷新材料技术有限公司 | 具有加热功能的静电吸盘及其制备方法 |
US11894254B2 (en) | 2018-09-19 | 2024-02-06 | Spts Technologies Limited | Support |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20180122679A1 (en) * | 2016-10-28 | 2018-05-03 | Applied Materials, Inc. | Stress balanced electrostatic substrate carrier with contacts |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3155792B2 (ja) * | 1991-11-01 | 2001-04-16 | 電気化学工業株式会社 | ホットプレート |
JPH0940481A (ja) * | 1995-07-25 | 1997-02-10 | Shin Etsu Chem Co Ltd | セラミックヒーター |
JP2756944B2 (ja) * | 1996-01-23 | 1998-05-25 | アドバンス・セラミックス・インターナショナル コーポレーション | セラミックス静電チャック |
JP2005012144A (ja) * | 2003-06-23 | 2005-01-13 | Kyocera Corp | 静電チャック |
-
2006
- 2006-12-25 JP JP2006347875A patent/JP2008159900A/ja active Pending
-
2007
- 2007-10-18 TW TW096138977A patent/TW200834801A/zh unknown
- 2007-11-06 KR KR1020070112774A patent/KR20080059501A/ko not_active Application Discontinuation
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI567824B (zh) * | 2010-12-27 | 2017-01-21 | Creative Tech Corp | Workpiece heating device and workpiece handling device |
US11894254B2 (en) | 2018-09-19 | 2024-02-06 | Spts Technologies Limited | Support |
TWI724399B (zh) * | 2019-04-02 | 2021-04-11 | 建泓科技實業股份有限公司 | 靜電吸盤陶瓷絕緣結構與製造方法 |
WO2022077821A1 (zh) * | 2020-10-12 | 2022-04-21 | 烟台睿瓷新材料技术有限公司 | 具有加热功能的静电吸盘及其制备方法 |
Also Published As
Publication number | Publication date |
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JP2008159900A (ja) | 2008-07-10 |
KR20080059501A (ko) | 2008-06-30 |
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