JP2021504967A - エッチング選択性の高いアモルファスカーボン膜 - Google Patents
エッチング選択性の高いアモルファスカーボン膜 Download PDFInfo
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- JP2021504967A JP2021504967A JP2020529688A JP2020529688A JP2021504967A JP 2021504967 A JP2021504967 A JP 2021504967A JP 2020529688 A JP2020529688 A JP 2020529688A JP 2020529688 A JP2020529688 A JP 2020529688A JP 2021504967 A JP2021504967 A JP 2021504967A
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- Prior art keywords
- amorphous carbon
- carbon film
- gpa
- dopant
- doped amorphous
- Prior art date
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- 238000000034 method Methods 0.000 claims abstract description 125
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- 239000002019 doping agent Substances 0.000 claims abstract description 36
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 21
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- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims abstract description 13
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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
- H01L21/02—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
-
- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/033—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers
- H01L21/0334—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane
- H01L21/0338—Process specially adapted to improve the resolution of the mask
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- 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
- C23C16/0272—Deposition of sub-layers, e.g. to promote the adhesion of the main coating
-
- 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
- C23C16/04—Coating on selected surface areas, e.g. using masks
- C23C16/042—Coating on selected surface areas, e.g. using masks using masks
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- 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
- C23C16/22—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 deposition of inorganic material, other than metallic material
- C23C16/26—Deposition of carbon only
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- 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
- C23C16/50—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 using electric discharges
- C23C16/505—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 using electric discharges using radio frequency discharges
-
- 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
- C23C16/50—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 using electric discharges
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Abstract
Description
((C/(H+C))%)
アモルファスカーボン膜は、少なくとも85、90、又は95原子パーセントの炭素を含有することがある。アモルファスカーボン膜は、90、95、又は97原子パーセントまでの炭素を含有することがある。アモルファスカーボン膜は、約85〜約97原子パーセントの炭素を含有することがある。アモルファスカーボン膜は、約90〜約97原子パーセントの炭素を含有することがある。アモルファスカーボン膜は、少なくとも3、5、又は10原子パーセントの水素を含有することがある。アモルファスカーボン膜は、5、10、又は15原子パーセントまでの水素を含有することがある。アモルファスカーボン膜は、約3〜約15原子パーセントの水素を含有することがある。
Claims (15)
- アモルファスカーボン膜を形成する方法であって、
第1の処理領域のサセプタ上に配置された下層の上にアモルファスカーボン膜を堆積することと、
炭素、ホウ素、窒素、ケイ素、リン、アルゴン、ヘリウム、ネオン、クリプトン、キセノン又はこれらの組み合わせから選択されるドーパント又は不活性種を、第2の処理領域内の前記アモルファスカーボン膜に注入することによって、ドープされたアモルファスカーボン膜を形成することと、
前記ドープされたアモルファスカーボン膜をパターニングすることと、
前記下層をエッチングすることと
を含む方法。 - 前記下層が、単一の層又は誘電体スタックを含む、請求項1に記載の方法。
- 前記下層の上に前記アモルファスカーボン膜を堆積することが、
炭化水素含有混合ガスを前記第1の処理領域に流入させることと、
前記第1の処理領域でRFプラズマを発生させて、前記下層の上に前記アモルファスカーボン膜を形成することと
を含む、請求項1に記載の方法。 - 前記第1の処理領域に配置されたガス分配シャワーヘッドと前記サセプタとの間の距離が、約200ミルと約1000ミルとの間である、請求項3に記載の方法。
- 前記第1の処理領域内の圧力が、約4Torrと約8Torrとの間である、請求項4に記載の方法。
- 前記ドーパント又は不活性種を励起するために利用される注入エネルギーが、約5keVと約60keVとの間である、請求項1に記載の方法。
- イオン線量が、約5×1013イオン/cm2と約5×1016イオン/cm2との間である、請求項6に記載の方法。
- 前記ドーパント又は不活性種を注入する間のターゲット温度が、摂氏約−100度と摂氏約500度との間である、請求項6に記載の方法。
- アモルファスカーボン膜を形成する方法であって、
第1の処理領域のサセプタ上に配置された下層の上にアモルファスカーボン膜を堆積することと、
炭素、ホウ素、窒素、ケイ素、リン、アルゴン、ヘリウム、ネオン、クリプトン、キセノン又はこれらの組み合わせから選択されるドーパント又は不活性種を、第2の処理領域内の前記アモルファスカーボン膜に注入することによって、ドープされたアモルファスカーボン膜を形成することと、
前記ドープされたアモルファスカーボン膜をパターニングすることと、
前記下層をエッチングすることと
を含み、前記ドープされたアモルファスカーボン膜は、633nmでの屈折率が約2.1から約2.2である、方法。 - 前記ドープされたアモルファスカーボン膜は、633nmでのk値が1.0未満である、請求項9に記載の方法。
- 前記ドープされたアモルファスカーボン膜が、約70GPaから約200GPaのヤング率(GPa)を有する、請求項9に記載の方法。
- 前記ドープされたアモルファスカーボン膜が、約14GPaから約22GPaの硬度(GPa)を有する、請求項11に記載の方法。
- 前記ドープされたアモルファスカーボン膜が、約−600MPaから約0MPaの応力(MPa)を有する、請求項12に記載の方法。
- 前記ドープされたアモルファスカーボン膜が、約1.95g/ccから約2.1g/ccの密度(g/cc)を有する、請求項13に記載の方法。
- 前記ドープされたアモルファスカーボン膜が、約10Åと約50,000Åとの間の厚さを有する、請求項14に記載の方法。
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TWI791678B (zh) | 2023-02-11 |
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US11469107B2 (en) | 2022-10-11 |
KR20230043858A (ko) | 2023-03-31 |
TW202325879A (zh) | 2023-07-01 |
US10727059B2 (en) | 2020-07-28 |
JP2023162196A (ja) | 2023-11-08 |
KR20230169487A (ko) | 2023-12-15 |
CN116171337A (zh) | 2023-05-26 |
TW202212601A (zh) | 2022-04-01 |
TW201932635A (zh) | 2019-08-16 |
JP2023535772A (ja) | 2023-08-21 |
JP7326275B2 (ja) | 2023-08-15 |
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