TW322641B - - Google Patents
Download PDFInfo
- Publication number
- TW322641B TW322641B TW085112473A TW85112473A TW322641B TW 322641 B TW322641 B TW 322641B TW 085112473 A TW085112473 A TW 085112473A TW 85112473 A TW85112473 A TW 85112473A TW 322641 B TW322641 B TW 322641B
- Authority
- TW
- Taiwan
- Prior art keywords
- thin film
- silicon
- reaction vessel
- silicon carbide
- gas
- Prior art date
Links
- 239000000758 substrate Substances 0.000 claims description 58
- 238000006243 chemical reaction Methods 0.000 claims description 36
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 28
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 28
- 239000010409 thin film Substances 0.000 claims description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 20
- 229910052799 carbon Inorganic materials 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 16
- JOHWNGGYGAVMGU-UHFFFAOYSA-N trifluorochlorine Chemical compound FCl(F)F JOHWNGGYGAVMGU-UHFFFAOYSA-N 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 239000004065 semiconductor Substances 0.000 claims description 8
- OMRRUNXAWXNVFW-UHFFFAOYSA-N fluoridochlorine Chemical compound ClF OMRRUNXAWXNVFW-UHFFFAOYSA-N 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 2
- PCTMTFRHKVHKIS-BMFZQQSSSA-N (1s,3r,4e,6e,8e,10e,12e,14e,16e,18s,19r,20r,21s,25r,27r,30r,31r,33s,35r,37s,38r)-3-[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-19,25,27,30,31,33,35,37-octahydroxy-18,20,21-trimethyl-23-oxo-22,39-dioxabicyclo[33.3.1]nonatriaconta-4,6,8,10 Chemical compound C1C=C2C[C@@H](OS(O)(=O)=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2.O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C=C/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 PCTMTFRHKVHKIS-BMFZQQSSSA-N 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 42
- 229910052710 silicon Inorganic materials 0.000 description 42
- 239000010703 silicon Substances 0.000 description 42
- 239000007789 gas Substances 0.000 description 29
- 239000013078 crystal Substances 0.000 description 21
- 239000010408 film Substances 0.000 description 10
- 238000004140 cleaning Methods 0.000 description 9
- 239000000178 monomer Substances 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 5
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 3
- 238000001069 Raman spectroscopy Methods 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 238000003763 carbonization Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000002079 cooperative effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000001947 vapour-phase growth Methods 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 238000001237 Raman spectrum Methods 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 description 1
- 239000005052 trichlorosilane Substances 0.000 description 1
- WPPVEXTUHHUEIV-UHFFFAOYSA-N trifluorosilane Chemical compound F[SiH](F)F WPPVEXTUHHUEIV-UHFFFAOYSA-N 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/4401—Means for minimising impurities, e.g. dust, moisture or residual gas, in the reaction chamber
- C23C16/4404—Coatings or surface treatment on the inside of the reaction chamber or on parts thereof
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/02—Pretreatment of the material to be coated
- C23C16/0227—Pretreatment of the material to be coated by cleaning or etching
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/4401—Means for minimising impurities, e.g. dust, moisture or residual gas, in the reaction chamber
- C23C16/4405—Cleaning of reactor or parts inside the reactor by using reactive gases
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/458—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for supporting substrates in the reaction chamber
- C23C16/4581—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for supporting substrates in the reaction chamber characterised by material of construction or surface finish of the means for supporting the substrate
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/906—Cleaning of wafer as interim step
Description
經濟部中央標準局員工消費合作社印製 A7 B7 五、發明説明(1 ) 〔發明所靥之技術領域〕 本發明係關於一種在半導體基板上成長薄膜的薄膜之 製造方法。 - 〔關連技術〕 例如,爲了在矽單結晶基板上成長矽單結晶薄膜,而 在薄膜成長裝置之反應容器內導入矽原料氣體時,則矽係 不僅堆積在矽單結晶基板之主表面上,還堆積在反應容器 內其表面部曝露之反應容器的內壁,矽單結晶基板的保持 具,氣體噴嘴及其他的工模。 在反應容器內形成粒子狀或薄片狀的堆積物*係在薄 膜成長時常常剝離而附著於半導體基板上,而成引起積層 缺陷或突起狀的異常成長。因此,以往就須定期地實行除 去反應容器內之堆稹物的工程》 作爲除去附著於薄膜成長裝置之反應容器內之堆積物 的一種方法,有在強酸或強鹼之水溶液中蝕刻除去堆積物 的方法。例如堆積物爲矽時則將氟酸與硝酸之混合溶液使 用作爲強酸。因該方法係使用水溶液,因此須從薄膜成長 裝置拆下欲除去堆積物之反應容器,基板之保持具,氣體 噴嘴,其他之工模而加以洗淨,因在拆下,安裝及訂出再 開時之條件費時,因此不能頻繁地實行· 作爲除去反應容器內之堆積物的其他方法,眾知有從 薄膜成長裝置取出薄膜成長之半導體基板之後,在反應容 器內以接近1 2 0 0 °C之溫度導入氯化氫氣體俾蝕刻除去 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) (請先閲讀背面之注意事項再填寫本頁) 訂 蜱! -4 - A7 B7 322641 五、發明説明(2 ) 堆積物之方法。 但是,以這種高溫導入氯化氫氣體時,則在反應容器 內之構件會產生損·傷,一方面,隨著氯化氫氣體所導入之 金屬有污染反應領域等之不方便。 又,在冷壁型(cold wall type )之薄膜成長裝置 中,在反應容器內導入氯化氫氣體時,因藉由氯化氫氣體 不但很難除去在反應容器之壁面等存在於反應容器內較低 溫之非加熱領域的各種污染,而且在高溫領域一旦被蝕刻 除去之污染物再附著於非加熱領域,而在薄膜之成長中再 氣化又混入薄膜內*因此具有損及結晶品質等之問題。 所以嘗試使用反應性髙之氣體在低溫下清淨薄膜成長 裝置之反應容器內,提供一種例如含有CiF,Cj?F3 ,Cj?F5中之至少一種作爲特徵之用以除去堆積在薄膜 裝置之金屬或其化合物所成之堆積物所用清洗氣體(曰本 專利公報特開昭64—17857號)》 〔發明欲解決之課題〕 然而,在具備以碳化矽(S i C )被覆石墨製基板之 基板保持具的反應容器之清淨化,作爲清洗氣體使用 C又F3(三氟化氯)時,則該基本保持具之表面藉由三 氟化氯被腐蝕除去,之後,因基材之石墨會被激烈地腐蝕 而頻發產生粒子之問題,因此,使用三氟化氯清淨反應容 器內之方法並未實用化。 因以往所使用之碳化矽係在單體也呈黑色又不透明, 本紙張尺度適用t國國家標準(CNS ) A4規格(210X297公釐) ' -5 - (請先閲讀背面之注意事項再填寫本頁) 訂 經濟部中央標準局員工消費合作社印製 經濟部中央標準局員工消費合作社印裝 A7 B7 五、發明説明(3 ) 而在碳或矽之任何一方具有較多組成,碳或矽在固體內呈 自由’因此考量該場所被使用作爲清洗氣體之三氟化氯優 先地被腐蝕。 本發明之目的係在於提供一種爲了低溫化清淨化工程 而作爲清洗氣體使用三氟化氯,一方面抑制表面以碳化矽 所形成之構件的腐蝕而防止粒子之產生,能成長高純度且 高品質之薄膜的薄膜之製造方法。 〔解決課題所用之手段〕 爲了解決上述課題,本發明的薄膜之製造方法,係在 具備以自由矽及自由碳之比率合計2 w t %以下之碳化矽 形成表面之構件的反應容器內,具有以室溫至5 0 0 °C導 入氟化氯氣體,蝕刻除去在半導體基板上成長薄膜時所附 著之堆積物的工程,爲其特徵者。 上述自由矽及自由碳之比率合計需在2w t %以下, 惟較理想爲合計1 w t %以下。當然自由碳及自由矽之總 量爲Ow t %,亦即使用純粹之碳化矽最理想。若該自由 碳與自由矽之比率合計超過2w t %,則無法充分達成本 發明之效果。 上述氟化氯氣體係濃度0. 01〜lOVol%之三 氟化氯氣體較理想。最理想爲0. 01〜5Vol%。 又,以上述碳化矽形成表面之構件,係例如基板之保 持具。該基板之保持具係可採用以碳化矽被覆石墨等基 材者,或以碳化矽單體所形成者之任何一種者。 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) (請先閱讀背面之注意事項再填寫本頁) 訂 竣! 一 6 - 經濟部中央標準局員工消費合作社印製 A7 B7 五、發明説明(4 ) 以往所使用之碳化矽係在單體也呈黑色又不透明,惟 由氣相熱分解法所形成的高純度而組成具有化學計量的組 成(Stcichiomet'ric composition )的單體之碳化砂係 本來爲透明,在厚約1 mm爲淡黃色之半透明。所謂具有 化學計量組成之碳化矽,係指與化學式相同組成之碳與矽 所構成的碳化矽。 因在具有化學計量組成的碳化矽中自由矽及自由碳極 少,故可能由使用作爲清洗氣體之三氟化氯預測幾乎不會 被腐蝕而作實驗,結果在碳化矽表面未發現腐蝕之痕跡。 結果,使用本發明之製造方法,可成爲在低溫度清淨 薄膜成長裝置之反應裝置之反應容器內,又因可抑制基板 保持具表面之碳化矽的腐蝕,因此可防止粒子之產生,故 在薄膜之結晶品質不受不良影響之狀態下,可成爲清淨化 具備表面由碳化矽材料所成之基板保持具的反應容器內。 〔發明之實施形態〕 以下,'依照所附圖式中之第1圖說明實施本發明方法 時所適用的薄膜成長裝置之一例子。 第1圖係表示在半導體結晶基板例如矽單晶基板1 2 上使用於將薄膜予以氣相成長時的薄膜成長裝置10之一 例子的概略剖面說明圖。該薄膜成長裝置1 0係在透明石 英所成的反應容器1 3之外側具備輻射加熱燈,經反應容 器1 3之透明壁輻射加熱內部。在該反應容器1 3內之被 加熱領域,矽單結晶基板1 2載置在基板保持具1 1上。 本紙張尺度適用中國國家標準(CNS > Α4規格(210X297公釐) ---------<------1T------Μ . (請先閲讀背面之注意事項再填寫本頁) 7 經濟部中央標準局員工消費合作社印策 322641 A7 B7 五、發明説明(5 ) 又,在第1圖,1 4係設於反應容器1 3之氣體導入側的 氣體導入,15係設於反應容器13之氣體排出側的排氣 口。1 7係設於基·板保持具11之下面的旋轉軸,該基板 保持具1 1係經由該旋轉軸1 7而自轉》 〔實施例〕 以下說明使用上述之薄膜成長裝置10所實施的本發 明之實施例。 實施例1 使用於本實施例的基板保持具11係藉由氣相分解法 所製作的單體之碳化矽,構成外徑1 7 〇mm,厚1mm 之圓板狀。上述基板保持具1 1係淡黃色之半透明,未混 入自由矽係由在X線繞射模式(第2圖)確認未認有碳化 矽以外之繞射峰值,而沒有自由碳係在拉曼散射(
Raman Scattering)(第3圖)確認仍未觀察到碳化矽 以外之光譜。碳化矽之密度係3. 21g/cm3 。 在表示於第1圖之薄膜成長裝置1 0的反應容器1 3 內,插入直徑1 50mm#,具有P型面方位(1 〇〇) 之主表面的矽單結晶基板1 2,載置於上述基板保持具 1 1上。該基板保持具1 1係載置有矽單結晶基板1 2時 ,則完成氣相成長工程爲止之期間,以旋轉軸1 7爲中心 而自轉。 在反應容器13內從氣體導入口14一面導入氫氣體 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) (請先閱讀背面之注意事項再填寫本頁) 訂 政! -8 - 經濟部中央標隼局員工消費合作社印t A7 B7 五、發明説明(6 ) ,一面點亮輻射加熱燈16而將上述矽單結晶基板12昇 溫至1 1 0 0°C之後,從氣體導入口 1 4與微量之摻雜物 —起將三氯矽烷氣體以1 3 g /分之流量導入一分鐘,俾 氣相成長矽單結晶薄膜。反應氣體係經排氣口 1 5向外排 出。 然後,熄滅輻射加熱燈1 6而冷卻反應容器1 3之後 ,將環境氣氛從氫氣轉換成氮氣後取出矽單結晶基板12 。氣相成長在矽單結晶基板12上的矽單結薄膜之厚爲約 4 # m 。 因基板保持具11之周邊部約1Omm係未被矽單結 晶基板1 2覆蓋,因此藉由接觸於三氟矽烷氣體而堆稹有 矽》從反應容器13取出基板保持具11,測定堆積於表 面的矽之厚度,也具有約4//m。 再將基板保持具1 1放回到反應容器1 3內*以低電 力點亮輻射加熱燈16,在氮氣環境氣氛中加熱基板保持 具1 1 ,使設在該基板保持具1 1下方的熱電偶之指示溫 度保持在300 °C。在溫度呈安定時,在反應容器1 3內 導入濃度爲1 v 〇 J?%之三氟化氯五分鐘。 使用之氟化氯氣體之濃度係0. 01_10V〇i2% 較理想。若濃度比0. 01V〇<%低,則無法將堆積於 基板保持具1 1表面之矽充分地蝕刻除去。一方面,濃度 超過1 0 V 0 p %,則因氟化氫氣體係腐蝕在反應容器 1 3內曝露表面之SUS 等的金屬零件,因此,一般係 在0. 01〜5Vo$%之範圍濃度下使用* 本紙張尺度適用中國國家揉準(CNS ) A4規格(210X297公釐) (請先閲讀背面之注意事項再填寫本頁) 訂 Μ ! 9 經濟部中央標準局員工消費合作社印製 A7 B7 五、發明説明(7 ) 在反應容器1 3內導入三氟化氯之後,堆稹於基板保 持具1 1上之矽係完全被除去而僅觀察到淡黃色之表面。 因以肉眼未能認定在基板保持具1 1之表面有損傷,故使 用光學顯微鏡以1 0 0 0倍之倍率觀察,與薄膜成長之前 及實行矽堆積物之除去前相比較’仍未有任何變化。又, 也未有起因於基板保持具11表面之劣化的粒子之產生。 實施例2 與實施例1相同之條件下,使用具有不相同之自由矽 及自由碳之比率的單體之碳化矽製基板保持具11實行實 驗。具有化學計量組成之碳化矽係淡黃色,惟自由矽及自 由碳之比例愈大則逐漸變黑色。自由矽及自由碳之量,係 用X線繞射模式與拉曼散射分別加以測定。 實驗之結果,自由矽及自由碳之比率合計在2w t % 以下的碳化矽時,在基板保持具1 1之表面完全未有損傷 。當自由矽及自由碳之比率合計超過2w t %時,則以光 學顯微鏡下1 0 0 0倍之倍率;在碳化矽表面才開始有腐 蝕之痕跡。在實際之製造,基板保持具1 1係以其他物品 更換爲止,用三氟化氯處理數千次。作爲能耐這種長久時 間之使用者,較理想爲自由矽及自由碳之比率合計爲1 w t %以下者。 實施例3 與實施例1相同之條件下•使用自由矽及自由碳之比 k張尺度適用中國國家揉準(CNS ) A4規格(210X297公釐) —;--------------1T------Μ . (請先閱讀背面之注意事項再填寫本頁) -10 - A7 B7 ^22641 五、發明説明(8 ) 率合計約lwt %的單體之碳化矽製基板保持具11 ’而 將導入三氟化氯之溫度一面從室溫變化至8 0 0°C —面實 行一連串之實驗,·觀察基板保持具1 1之表面狀態。 結果,從室溫至5 0 0 °C爲止,隨著昇高溫度雖除去 矽堆積物所需之時間不相同,惟並未有隨著表面狀態之劣 化所引起的粒子產生*經長久期間地使用多數次後之表面 ,係在高溫側觀察到稍許變化,惟在製造矽單結晶薄膜時 仍不會在表面上產生突起等之缺陷β 實施例4 以形成在實施例1〜3所使用之碳化矽單體所成之基 板保持具1 1相同之製造方法,使用在碳基材表面設置碳 化矽皮膜的基板保持具11,實行與實施例1〜3同樣之 實驗,得到與碳化矽單體所成之基板保持具1 1同樣之結 果。 在上述實施例,說明在矽單結晶基板1 2上氣相成長 矽單結晶薄膜之情形,惟也可適用於在其他材料所成之半 導體結晶基板上成長薄膜之情形。 〔發明之效果〕 如上所述,依照本發明,爲了低溫化清淨化工程而作 爲清洗氣體以室溫至5 0 0 °C使用三氟化氯,一方面抑制 表面以碳化矽所形成之構件的腐蝕而防止粒子之產生,具 有能成長高純度且高品質之薄膜的顯著效果。 民紙張尺度適用中國國家標準(CNS ) A4规格(210X297公釐) ----------_------,訂------^ I (請先閲讀背面之注意事項再填寫本頁) 經濟部中央標準局員工消費合作社印裴 -11 - Α7 Β7 五、發明説明(9 ) 〔圖式之簡單說明〕 第1圖係表示使用於本發明的薄膜之製造方法之賁施 之薄膜成長裝置之·一例子的概略剖面說明圖。 第2圖係表示在實施例1所使用之基板保持具之X線 繞射模式的圖式。 第3圖係表示在實施例1所使用之基板保持具之拉曼 光譜的圖式。 〔記號之說明〕 10 ·•薄膜成長裝置,1 1 :基板保持具, 12:半導體結晶基板,13:反應容器’ 14:氣體導入口,15:排氣口’16:輻射加熱燈, 1 7 :旋轉軸。 (請先閲讀背面之注意事項再填寫本頁) 訂 政! 經濟部中央標準局員工消費合作社印製 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) -12 -
Claims (1)
- S 1 4 6 ABCD 六、申請專利範圍 1 ·—種薄膜之製造方法,其特徵爲:在具備以自由 砂及自由碳之比率合計2 w t %以下之碳化矽形成表面之 構件的反應容器內·,具有以室溫至5 0 0 t導入氟化氯 氣體’蝕刻除去在半導體基板上成長薄膜時所附著之堆積 物的工程。 ^ 2.如申請專利範圍第1項所述的薄膜之製造方法, 其中,上述氟化氯氣體係濃度〇. 〇 1〜1 〇Vo 5%之 三氟化氯氣體者。 3.如申請專利範圍第1項或第2項所述的薄膜之製 造方法,其中,以上述碳化矽形成表面之構件,係基板之 保持具者。 (請先閱讀背面之注意事項再填寫本頁) 訂 經濟部中央標準局員工消費合作社印裝 ^氏張纽A财㈣家標準(CNS ) A4胁(210X297公釐)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7280891A JPH09129557A (ja) | 1995-10-27 | 1995-10-27 | 薄膜の製造方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
TW322641B true TW322641B (zh) | 1997-12-11 |
Family
ID=17631388
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW085112473A TW322641B (zh) | 1995-10-27 | 1996-10-12 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5858881A (zh) |
EP (1) | EP0770704B1 (zh) |
JP (1) | JPH09129557A (zh) |
KR (1) | KR970023672A (zh) |
DE (1) | DE69601452T2 (zh) |
MY (1) | MY132332A (zh) |
TW (1) | TW322641B (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6383890B2 (en) | 1997-12-26 | 2002-05-07 | Canon Kabushiki Kaisha | Wafer bonding method, apparatus and vacuum chuck |
US6936102B1 (en) | 1999-08-02 | 2005-08-30 | Tokyo Electron Limited | SiC material, semiconductor processing equipment and method of preparing SiC material therefor |
JP4529261B2 (ja) * | 2000-09-13 | 2010-08-25 | 東京エレクトロン株式会社 | 複合金属酸化物膜の除去方法、クリーニング方法及びエッチング方法 |
JP2002313888A (ja) * | 2001-04-09 | 2002-10-25 | Ibiden Co Ltd | 半導体用治具 |
JP2007141895A (ja) * | 2005-11-14 | 2007-06-07 | Tokyo Electron Ltd | 載置台構造及び成膜装置 |
KR102322973B1 (ko) * | 2016-04-05 | 2021-11-08 | 칸토 덴카 코교 가부시키가이샤 | 재료, 이 재료를 이용한 보존 용기, 이 보존 용기에 부착되는 밸브, 및 ClF의 보존 방법, ClF 보존 용기의 사용 방법 |
CN108885995A (zh) * | 2016-04-05 | 2018-11-23 | 关东电化工业株式会社 | 半导体制造装置的清洁方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2185758B (en) * | 1985-12-28 | 1990-09-05 | Canon Kk | Method for forming deposited film |
JP2720966B2 (ja) * | 1987-07-13 | 1998-03-04 | セントラル硝子株式会社 | 薄膜を付着した部品の再生利用方法 |
JP2918892B2 (ja) * | 1988-10-14 | 1999-07-12 | 株式会社日立製作所 | プラズマエッチング処理方法 |
JP3140068B2 (ja) * | 1991-01-31 | 2001-03-05 | 東京エレクトロン株式会社 | クリーニング方法 |
US5443686A (en) * | 1992-01-15 | 1995-08-22 | International Business Machines Corporation Inc. | Plasma CVD apparatus and processes |
CA2099788A1 (en) * | 1992-07-31 | 1994-02-01 | Michael A. Pickering | Ultra pure silicon carbide and high temperature semiconductor processing equipment made therefrom |
-
1995
- 1995-10-27 JP JP7280891A patent/JPH09129557A/ja active Pending
-
1996
- 1996-10-09 KR KR1019960044738A patent/KR970023672A/ko not_active Application Discontinuation
- 1996-10-12 TW TW085112473A patent/TW322641B/zh active
- 1996-10-17 US US08/729,367 patent/US5858881A/en not_active Expired - Fee Related
- 1996-10-21 DE DE69601452T patent/DE69601452T2/de not_active Expired - Fee Related
- 1996-10-21 EP EP96307621A patent/EP0770704B1/en not_active Expired - Lifetime
- 1996-10-24 MY MYPI96004423A patent/MY132332A/en unknown
Also Published As
Publication number | Publication date |
---|---|
US5858881A (en) | 1999-01-12 |
EP0770704A1 (en) | 1997-05-02 |
EP0770704B1 (en) | 1999-01-27 |
DE69601452T2 (de) | 1999-09-23 |
MY132332A (en) | 2007-10-31 |
KR970023672A (ko) | 1997-05-30 |
DE69601452D1 (de) | 1999-03-11 |
JPH09129557A (ja) | 1997-05-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Tsugawa et al. | Nanocrystalline diamond film growth on plastic substrates at temperatures below 100 C from low-temperature plasma | |
JP3728465B2 (ja) | 単結晶ダイヤモンド膜の形成方法 | |
JP3713561B2 (ja) | 有機液体による高配向整列カーボンナノチューブの合成方法及びその合成装置 | |
Constant et al. | HFCVD diamond growth on Cu (111). Evidence for carbon phase transformations by in situ AES and XPS | |
JPH07506799A (ja) | ダイアモンドの化学的気相成長のための結晶核生成の強化 | |
JPH0218392A (ja) | 多結晶性ダイヤモンド膜の製造方法 | |
JPH11238688A (ja) | 薄膜の製造方法 | |
TW322641B (zh) | ||
EP0557281A4 (en) | DEPOSIT IN CHEMICAL VAPORED DIAMOND VAPOR, ASSISTED BY HALOGEN. | |
Mallik et al. | Large area deposition of polycrystalline diamond coatings by microwave plasma CVD | |
JP3728467B2 (ja) | 単結晶ダイヤモンド膜の形成方法 | |
CN107557753B (zh) | 一种室温磁性二维VSe2薄膜化学气相沉积生长方法 | |
Ihara et al. | Correlation between nucleation site density and residual diamond dust density in diamond film deposition | |
JP5228857B2 (ja) | シリコンエピタキシャルウェーハの製造方法 | |
Kumagai et al. | Growth of (110)-oriented diamond films by electron-assisted chemical vapor deposition | |
Ali et al. | Effect of surface treatment on hot-filament chemical vapour deposition grown diamond films | |
TW575894B (en) | Apparatus and process for the preparation of low-iron single crystal silicon substantially free of agglomerated intrinsic point defects | |
Hayashi et al. | Design of a Silicon Carbide Chemical Vapor Deposition Reactor Cleaning Process Using Chlorine Trifluoride Gas Accounting for Exothermic Reaction Heat | |
Chen et al. | Simple and catalyst-free synthesis of silicon oxide nanowires and nanocoils | |
Mirzakuchaki et al. | Selective area deposition of diamond thin films on patterns of porous silicon by hot‐filament chemical vapor deposition | |
JP7395793B1 (ja) | 多結晶シリコンロッド製造用反応炉、ガス供給ノズル、多結晶シリコンロッドの製造方法および多結晶シリコンロッド | |
RU2806688C2 (ru) | Способ получения графена | |
Nagano et al. | Production of highly oriented carbon nanotube film by surface decomposition of silicon carbide polycrystalline film | |
Shang et al. | Deposition of (100) and (110) textured diamond films on aluminum nitride ceramics via hot filament chemical vapor deposition | |
JP2799849B2 (ja) | 化学蒸着法によるダイヤモンドの合成方法 |