KR20190045072A - 반도체 장치의 제조 방법 - Google Patents
반도체 장치의 제조 방법 Download PDFInfo
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- KR20190045072A KR20190045072A KR1020180125053A KR20180125053A KR20190045072A KR 20190045072 A KR20190045072 A KR 20190045072A KR 1020180125053 A KR1020180125053 A KR 1020180125053A KR 20180125053 A KR20180125053 A KR 20180125053A KR 20190045072 A KR20190045072 A KR 20190045072A
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- Prior art keywords
- film
- polymer
- concave portion
- substrate
- sacrificial film
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 36
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- 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
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31144—Etching the insulating layers by chemical or physical means using masks
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
- H01L21/76841—Barrier, adhesion or liner layers
- H01L21/76853—Barrier, adhesion or liner layers characterized by particular after-treatment steps
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- 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
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/308—Chemical or electrical treatment, e.g. electrolytic etching using masks
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- C—CHEMISTRY; METALLURGY
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- 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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- C23C16/02—Pretreatment of the material to be coated
- C23C16/0227—Pretreatment of the material to be coated by cleaning or etching
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- C—CHEMISTRY; METALLURGY
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- 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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- 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
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- C23C16/4583—Rigid and flat substrates, e.g. plates or discs the substrate being supported substantially horizontally
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- C—CHEMISTRY; METALLURGY
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- 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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- 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
- C23C16/48—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 by irradiation, e.g. photolysis, radiolysis, particle radiation
- C23C16/481—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 by irradiation, e.g. photolysis, radiolysis, particle radiation by radiant heating of the substrate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
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- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02118—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer carbon based polymeric organic or inorganic material, e.g. polyimides, poly cyclobutene or PVC
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
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- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
- H01L21/02271—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02282—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process liquid deposition, e.g. spin-coating, sol-gel techniques, spray coating
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- 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
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
- H01L21/266—Bombardment with radiation with high-energy radiation producing ion implantation using masks
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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
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Abstract
Description
도 2는 제1 실시 형태에 따른 반도체 장치의 제조 방법을 나타내는 제2 설명도이다.
도 3은 제1 실시 형태에 따른 반도체 장치의 제조 방법을 나타내는 제3 설명도이다.
도 4는 제1 실시 형태에 따른 반도체 장치의 제조 방법을 나타내는 제4 설명도이다.
도 5는 제1 실시 형태에 따른 반도체 장치의 제조 방법을 나타내는 제5 설명도이다.
도 6은 요소 결합을 갖는 중합체를 공중합에 의한 반응에 의해 생성하는 모습을 도시하는 설명도이다.
도 7은 요소 결합을 갖는 중합체를 생성하기 위한 장치를 나타내는 종단 측면도이다.
도 8은 요소 결합을 갖는 중합체를 생성하기 위한 다른 장치를 나타내는 종단 측면도이다.
도 9는 요소 결합을 갖는 중합체가 올리고머가 되는 반응을 도시하는 설명도이다.
도 10은 2급 아민을 사용해서 요소 결합을 갖는 중합체를 생성하는 모습을 도시하는 설명도이다.
도 11은 요소 결합을 갖는 단량체를 가교시켜, 요소 결합을 갖는 중합체를 생성하는 모습을 도시하는 설명도이다.
도 12는 중합체의 골격 구조의 예를 나타내는 설명도이다.
도 13은 3차원 가교 구조를 형성하는 것이 가능한 아민의 예를 나타내는 설명도이다.
도 14는 폴리요소막이 성막된 웨이퍼를 가열하기 위한 가열 장치를 나타내는 종단 측면도이다.
도 15는 제2 실시 형태에 따른 반도체 장치의 제조 방법을 나타내는 제1 설명도이다.
도 16은 제2 실시 형태에 따른 반도체 장치의 제조 방법을 나타내는 제2 설명도이다.
도 17은 제2 실시 형태에 따른 중합체막을 형성하는 조작에 관한 설명도이다.
도 18은 제3 실시 형태에 따른 반도체 장치의 제조 방법이 적용되는, 핀형 FET의 제조 도중 단계의 구조체이다.
도 19는 제3 실시 형태에 따른 반도체 장치의 제조 방법을 나타내는 제1 설명도이다.
도 20은 제3 실시 형태에 따른 반도체 장치의 제조 방법을 나타내는 제2 설명도이다.
도 21은 제3 실시 형태에 따른 반도체 장치의 제조 방법을 나타내는 제3 설명도이다.
도 22는 요소 결합을 갖는 중합체를 각종 에칭액으로 처리한 경우의 막 두께의 감소 비율을 도시하는 설명도이다.
23 : SOC막 29 : 비아 홀
291 : 트렌치 301 : 오목부
302 : 공극 31 : 텅스텐층
32 : SiO2막 33 : a-Si막
6 : 폴리요소막 6a : 매립부
Claims (10)
- 기판에 대하여 처리를 행하여, 반도체 장치를 제조하는 방법에 있어서,
표면이 희생막에 의해 덮이고, 패터닝된 상기 희생막의 개구를 포함하는 오목부가 형성된 기판에 대하여, 상기 희생막의 상면측으로부터 중합용 원료를 공급하여, 요소 결합을 갖는 중합체로 이루어지는 중합체막을 형성하고, 상기 오목부 내에 상기 중합체를 매립하는 공정과,
상기 오목부 내에 매립된 중합체를 남기고, 상기 희생막의 상면측의 중합체막을 제거하는 공정과,
상기 오목부 내에 중합체가 매립된 상태에서 상기 희생막을 제거하는 공정과,
이어서, 상기 오목부 내의 중합체를 제거하는 공정을 포함하는 반도체 장치의 제조 방법. - 제1항에 있어서,
상기 희생막을 제거하는 공정에서는, 상기 희생막과 반응해서 당해 희생막을 제거하는 것이 가능한 한편, 상기 중합체에 대한 반응성은 상기 희생막보다도 작은 에천트를 사용해서 희생막을 제거하는 반도체 장치의 제조 방법. - 제1항에 있어서,
상기 오목부 내의 중합체를 제거하는 공정은, 상기 중합체를 가열함으로써, 당해 중합체를 해중합시키는 공정인 반도체 장치의 제조 방법. - 제1항에 있어서,
상기 희생막의 상면측의 중합체막을 제거하는 공정은, 상기 중합체막을 가열함으로써, 당해 중합체막을 구성하는 중합체를 해중합시키는 공정인 반도체 장치의 제조 방법. - 제1항에 있어서,
상기 오목부 내에 상기 중합체를 매립하는 공정을 행하기 전에, 상기 희생막을 마스크로서 사용해서 기판을 에칭하여 상기 오목부를 형성하는 공정을 포함하는 반도체 장치의 제조 방법. - 제1항에 있어서,
상기 오목부 내에 상기 중합체를 매립하는 공정을 행하기 전에, 상기 기판에 이온을 조사하여, 상기 오목부 내에 이온 주입을 행하는 공정을 포함하는 반도체 장치의 제조 방법. - 제1항에 있어서,
상기 오목부 내에 상기 중합체를 매립하는 공정은, 상기 희생막의 상면측에 형성된 중합체막을 가열하여, 일부를 해중합시킴으로써 유동성을 갖게 한 중합체막을 상기 오목부 내에 진입시키는 공정을 포함하는 반도체 장치의 제조 방법. - 제1항에 있어서,
상기 오목부 내에 상기 중합체를 매립하는 공정은, 기판을 가열하면서 상기 희생막의 상면측에 중합체막을 형성함으로써, 일부가 해중합해서 유동성을 갖게 한 중합체막을 상기 오목부 내에 진입시키면서 형성하는 공정을 포함하는 반도체 장치의 제조 방법. - 제1항 내지 제8항 중 어느 한 항에 있어서,
상기 오목부 내에 상기 중합체를 매립하는 공정은, 이소시아네이트의 증기와 아민의 증기를 기판에 공급함과 함께 기판을 가열해서 이소시아네이트와 아민을 중합 반응시켜 상기 중합체막을 형성하는 공정인 반도체 장치의 제조 방법. - 제1항 내지 제8항 중 어느 한 항에 있어서,
상기 오목부 내에 상기 중합체를 매립하는 공정은, 이소시아네이트를 포함하는 용액과 아민을 포함하는 용액을 기판에 공급함과 함께 상기 기판을 가열해서 이소시아네이트와 아민을 중합 반응시켜 상기 중합체막을 형성하는 공정인 반도체 장치의 제조 방법.
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