JP2008527738A - ヘキサクロロジシラン又はその他の塩素含有シリコン前駆体を用いた微小造形物充填方法及び装置 - Google Patents
ヘキサクロロジシラン又はその他の塩素含有シリコン前駆体を用いた微小造形物充填方法及び装置 Download PDFInfo
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- 239000000460 chlorine Substances 0.000 title claims abstract description 18
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 229910052801 chlorine Inorganic materials 0.000 title claims abstract description 16
- LXEXBJXDGVGRAR-UHFFFAOYSA-N trichloro(trichlorosilyl)silane Chemical compound Cl[Si](Cl)(Cl)[Si](Cl)(Cl)Cl LXEXBJXDGVGRAR-UHFFFAOYSA-N 0.000 title abstract description 71
- 239000012686 silicon precursor Substances 0.000 title description 5
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- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 4
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- 238000000231 atomic layer deposition Methods 0.000 claims description 2
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- 229940123973 Oxygen scavenger Drugs 0.000 description 1
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
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- MROCJMGDEKINLD-UHFFFAOYSA-N dichlorosilane Chemical compound Cl[SiH2]Cl MROCJMGDEKINLD-UHFFFAOYSA-N 0.000 description 1
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- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
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- FDNAPBUWERUEDA-UHFFFAOYSA-N silicon tetrachloride Chemical compound Cl[Si](Cl)(Cl)Cl FDNAPBUWERUEDA-UHFFFAOYSA-N 0.000 description 1
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- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 description 1
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/32055—Deposition of semiconductive layers, e.g. poly - or amorphous silicon layers
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- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
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- 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
- C23C16/04—Coating on selected surface areas, e.g. using masks
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- 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
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- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
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Abstract
Description
本発明の一実施形態において、図8のフロー図に示された堆積プロセスは更に、シリコン含有膜を堆積することに先立って基板を前処理することを含むことができる。例えば、基板表面の酸化膜(例えば、自然酸化膜又は熱酸化膜)及びその他の界面汚染物質は、適当なシリコンシード(核形成)層の形成を阻害し、堆積表面上でのシリコン含有膜の堆積を妨げ、シリコン堆積の選択性を低下させ、また、微小造形物の完全な充填を妨げ得るものであるが、この前処理プロセスは、これらを実質的に除去することが可能である。一実施形態において、前処理は900℃の基板温度にてシリコン基板をH2ガスに晒すことを含み得る。
Claims (37)
- 基板上の微小造形物内にシリコン含有物質を堆積する方法であって:
前記微小造形物を有する前記基板を処理システムの処理チャンバー内に設置する設置工程;
HCD、DCS、SiCl4及びSiHCl3、又はこれらの組み合わせから成るグループの内の少なくとも1つであるシリコン含有処理ガスに、前記微小造形物を晒す暴露工程;及び
前記シリコン含有ガスから得られる前記シリコン含有物質を前記微小造形物内に堆積する堆積工程;
を有する方法。 - 前記暴露工程は更に、前記シリコン含有処理ガスを約5sccmと約1000sccmとの間の流量で流すことを有する、請求項1に記載の方法。
- 前記暴露工程は更に、前記シリコン含有処理ガスを約80sccmの流量で流すことを有する、請求項1に記載の方法。
- 前記暴露工程は更に、水素含有ガスに前記微小造形物を晒すことを有する、請求項1に記載の方法。
- 前記暴露工程は更に、H2、GeH4、B2H6、PH3及びSiH4の少なくとも1つ又はこれらの任意の組み合わせを有する水素含有ガスに、前記微小造形物を晒すことを有する、請求項1に記載の方法。
- 前記シリコン含有ガスと前記水素含有ガスとの比は約2:1と約1:2との間である、請求項5に記載の方法。
- 前記暴露工程は更に、水素含有ガスを約5sccmと約5000sccmとの間の流量で流すことを有する、請求項1に記載の方法。
- 前記暴露工程は更に、第2のシリコン含有ガスに前記微小造形物を晒すことを有する、請求項1に記載の方法。
- 前記暴露工程は更に、前記第2のシリコン含有ガスを約5sccmと約1000sccmとの間の流量で流すことを有する、請求項8に記載の方法。
- 前記暴露工程は更に、HCD、(SiH4+HCl)、DCS、SiCl4、(HCD+SiH4)、及びSiHCl3の何れかに、前記微小造形物を晒すことを有する、請求項1に記載の方法。
- 前記暴露工程は更に、水素含有ガス及び第2のシリコン含有ガスに前記微小造形物を晒すことを有する、請求項1に記載の方法。
- 前記暴露工程は更に、シリコン含有処理ガスと、リン含有ガス、ボロン含有ガス及びゲルマニウム含有ガスの少なくとも1つとに前記微小造形物を晒すことを有する、請求項1に記載の方法。
- 前記暴露工程は更に、水素含有ガス及びゲルマニウム含有ガスに前記微小造形物を晒すことを有する、請求項1に記載の方法。
- 前記暴露工程は更に、H2及びGeH4に前記微小造形物を晒すことを有する、請求項1に記載の方法。
- 前記暴露工程は更に、前記シリコン含有処理ガスを用いた第1の処理と、その後、前記微小造形物が実質的に充填される前に、該処理ガスを別のシリコン含有ガスに変更することとを有する、請求項1に記載の方法。
- 前記暴露工程は更に、前記シリコン含有処理ガスを用いた第1の処理と、その後、前記微小造形物が実質的に充填される前に、該処理ガスをHCD及び別のシリコン含有ガスに変更することとを有する、請求項1に記載の方法。
- 前記暴露工程は更に、前記シリコン含有処理ガスを用いた第1の処理と、その後、前記微小造形物が実質的に充填された時点付近で、該処理ガスを別のシリコン含有ガスに変更することとを有する、請求項1に記載の方法。
- 前記暴露工程は更に、前記シリコン含有処理ガスを用いた第1の処理と、その後、前記微小造形物が実質的に充填された時点付近で、該処理ガスをHCD及び別のシリコン含有ガスに変更することとを有する、請求項1に記載の方法。
- 前記暴露工程は更に、前記シリコン含有処理ガスを用いた第1の処理と、その後、該シリコン含有処理ガスの割合を徐々に変化させ且つ別のシリコン含有ガスに徐々に置き換えることとを有する、請求項1に記載の方法。
- 処理チャンバー圧力を約0.1Torrと1Torrとの間にする工程、を更に有する請求項1に記載の方法。
- 処理チャンバー圧力を約0.2Torrにする工程、を更に有する請求項1に記載の方法。
- プロセッサ上で実行されるプログラム命令を格納するコンピュータ可読媒体であって、前記プログラム命令は、前記プロセッサによって実行されるとき、処理装置に請求項1に記載の方法の工程群を実行させる、コンピュータ可読媒体。
- 微小造形物を有する基板を処理する処理システムであって:
前記基板を当該処理システムの処理チャンバー内に設置する手段;及び
前記微小造形物を実質的に充填する手段;
を有する処理システム。 - 微小造形物内にシリコン含有膜を堆積する処理ツールであって:
処理システム;
微小造形物を有する基板を前記処理システムの処理チャンバー内に設置するように構成された搬送系;
前記処理システム内で、HCD、DCS、SiCl4及びSiHCl3から成るグループから選択されたシリコン含有処理ガスに、前記微小造形物を晒すように構成されたガス注入系;及び
当該処理ツールを制御するように構成された制御器;
を有する処理ツール。 - 前記処理システムはバッチ式処理システム又は枚葉式処理システムを有する、請求項24に記載の処理ツール。
- 前記処理システムは、処理チューブを含むバッチ式処理システムを有する、請求項24に記載の処理ツール。
- 前記処理システムは熱処理システム、プラズマ処理システム、又は原子層堆積システムを有する、請求項24に記載の処理ツール。
- 処理監視系を更に有する請求項24に記載の処理ツール。
- 前記ガス注入系は、前記シリコン含有処理ガスと、水素含有ガス及びゲルマニウム含有ガスの少なくとも一方とに、前記微小造形物を晒すように構成されている、請求項24に記載の処理ツール。
- 基板上の微小造形物内にシリコン含有物質を堆積する方法であって:
前記微小造形物を有する前記基板を処理システムの処理チャンバー内に設置する設置工程;
前記微小造形物を実質的に充填するのに十分なだけ、HCD、DCS、SiCl4及びSiHCl3、又はこれらの組み合わせから成るグループの内の少なくとも1つであるシリコン含有処理ガスに、前記微小造形物を晒す暴露工程;及び
前記シリコン含有ガスから得られるシリコン含有物質を前記微小造形物内に堆積する堆積工程;
を有する方法。 - 基板上の微小造形物内にシリコン含有物質を堆積する方法であって:
前記微小造形物を有する前記基板を処理システムの処理チャンバー内に設置する設置工程;
(SiH4+HCl)ガスに前記微小造形物を晒す暴露工程;及び
前記シリコン含有ガスから得られるシリコン含有物質を前記微小造形物内に堆積する堆積工程;
を有する方法。 - 微小造形物内にシリコン含有膜を堆積する処理ツールであって:
処理システム;
微小造形物を有する基板を前記処理システムの処理チャンバー内に設置するように構成された搬送系;
前記処理システム内で(SiH4+HCl)に前記微小造形物を晒すように構成されたガス注入系;及び
当該処理ツールを制御するように構成された制御器;
を有する処理ツール。 - 基板上の微小造形物内にシリコン含有物質を堆積する方法であって:
前記微小造形物を有する前記基板を処理システムの処理チャンバー内に設置する設置工程;
シリコンと塩素との双方を含有するガスに前記微小造形物を晒す暴露工程;及び
前記ガスから得られるシリコン含有物質を前記微小造形物内に堆積する堆積工程;
を有する方法。 - 前記暴露工程は更に、塩素を含有する第2のガスに前記微小造形物を晒すことを有する、請求項33に記載の方法。
- 前記ガスは実質的に1つの分子式を有する、請求項33に記載の方法。
- 前記ガスは2つ以上の分子式を有する、請求項33に記載の方法。
- 微小造形物を有する基板を処理する処理システムであって:
前記基板を当該処理システムの処理チャンバー内に設置する手段;及び
HCD、DCS、SiCl4及びSiHCl3から成るグループの内の少なくとも1つを含む処理ガスに、前記微小造形物を晒す手段;
を有する処理システム。
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US20060160288A1 (en) | 2006-07-20 |
WO2006078354A2 (en) | 2006-07-27 |
KR101133349B1 (ko) | 2012-04-06 |
US7205187B2 (en) | 2007-04-17 |
CN101111931B (zh) | 2010-05-12 |
KR20070092958A (ko) | 2007-09-14 |
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