TWI246127B - Method and apparatus for forming film and insulation film, and semiconductor integrated circuit - Google Patents
Method and apparatus for forming film and insulation film, and semiconductor integrated circuit Download PDFInfo
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- TWI246127B TWI246127B TW091106184A TW91106184A TWI246127B TW I246127 B TWI246127 B TW I246127B TW 091106184 A TW091106184 A TW 091106184A TW 91106184 A TW91106184 A TW 91106184A TW I246127 B TWI246127 B TW I246127B
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- thin film
- film
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000004065 semiconductor Substances 0.000 title claims description 6
- 238000009413 insulation Methods 0.000 title claims description 4
- 239000000758 substrate Substances 0.000 claims abstract description 57
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 43
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 42
- 229910052796 boron Inorganic materials 0.000 claims abstract description 14
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 78
- 239000010408 film Substances 0.000 claims description 73
- 239000007789 gas Substances 0.000 claims description 65
- 229910052757 nitrogen Inorganic materials 0.000 claims description 37
- 239000010409 thin film Substances 0.000 claims description 34
- FAQYAMRNWDIXMY-UHFFFAOYSA-N trichloroborane Chemical compound ClB(Cl)Cl FAQYAMRNWDIXMY-UHFFFAOYSA-N 0.000 claims description 33
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 20
- 239000001257 hydrogen Substances 0.000 claims description 19
- 229910052739 hydrogen Inorganic materials 0.000 claims description 19
- 230000015572 biosynthetic process Effects 0.000 claims description 16
- 229930195733 hydrocarbon Natural products 0.000 claims description 13
- 150000002430 hydrocarbons Chemical class 0.000 claims description 13
- 239000004215 Carbon black (E152) Substances 0.000 claims description 12
- 239000012159 carrier gas Substances 0.000 claims description 10
- 238000000354 decomposition reaction Methods 0.000 claims description 9
- 239000011368 organic material Substances 0.000 claims description 8
- 239000003575 carbonaceous material Substances 0.000 claims 1
- 125000004433 nitrogen atom Chemical group N* 0.000 abstract description 8
- DZVPMKQTULWACF-UHFFFAOYSA-N [B].[C].[N] Chemical compound [B].[C].[N] DZVPMKQTULWACF-UHFFFAOYSA-N 0.000 abstract 2
- 229910052582 BN Inorganic materials 0.000 description 26
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 26
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 26
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 229910001873 dinitrogen Inorganic materials 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 239000010703 silicon Substances 0.000 description 6
- 229910052801 chlorine Inorganic materials 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 239000012528 membrane Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- PPWPWBNSKBDSPK-UHFFFAOYSA-N [B].[C] Chemical compound [B].[C] PPWPWBNSKBDSPK-UHFFFAOYSA-N 0.000 description 4
- 125000004429 atom Chemical group 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000002309 gasification Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000011229 interlayer Substances 0.000 description 4
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 238000003763 carbonization Methods 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 125000001309 chloro group Chemical group Cl* 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- VMGAPWLDMVPYIA-HIDZBRGKSA-N n'-amino-n-iminomethanimidamide Chemical compound N\N=C\N=N VMGAPWLDMVPYIA-HIDZBRGKSA-N 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- 238000005121 nitriding Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- BOLDJAUMGUJJKM-LSDHHAIUSA-N renifolin D Natural products CC(=C)[C@@H]1Cc2c(O)c(O)ccc2[C@H]1CC(=O)c3ccc(O)cc3O BOLDJAUMGUJJKM-LSDHHAIUSA-N 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 241001674048 Phthiraptera Species 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- XOKSLPVRUOBDEW-UHFFFAOYSA-N pinane Chemical compound CC1CCC2C(C)(C)C1C2 XOKSLPVRUOBDEW-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical group ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- RGSCXUOGQGNWFC-UHFFFAOYSA-N [Hf].[C] Chemical compound [Hf].[C] RGSCXUOGQGNWFC-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- HIVLDXAAFGCOFU-UHFFFAOYSA-N ammonium hydrosulfide Chemical compound [NH4+].[SH-] HIVLDXAAFGCOFU-UHFFFAOYSA-N 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- WHJFNYXPKGDKBB-UHFFFAOYSA-N hafnium;methane Chemical compound C.[Hf] WHJFNYXPKGDKBB-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000006263 metalation reaction Methods 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 125000001477 organic nitrogen group Chemical group 0.000 description 1
- 229930006728 pinane Natural products 0.000 description 1
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 229910052704 radon Inorganic materials 0.000 description 1
- SYUHGPGVQRZVTB-UHFFFAOYSA-N radon atom Chemical compound [Rn] SYUHGPGVQRZVTB-UHFFFAOYSA-N 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- WXRGABKACDFXMG-UHFFFAOYSA-N trimethylborane Chemical compound CB(C)C WXRGABKACDFXMG-UHFFFAOYSA-N 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- 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
-
- 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
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/36—Carbonitrides
-
- 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
- C23C16/448—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 generating reactive gas streams, e.g. by evaporation or sublimation of precursor materials
- C23C16/452—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 generating reactive gas streams, e.g. by evaporation or sublimation of precursor materials by activating reactive gas streams before their introduction into the reaction chamber, e.g. by ionisation or addition of reactive species
-
- 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
- C23C16/509—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 using internal electrodes
-
- 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
- H01L21/02104—Forming layers
- 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
- H01L21/02205—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 the layer being characterised by the precursor material for deposition
-
- 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
- H01L21/02104—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
- H01L21/02263—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
- H01L21/02274—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 in the presence of a plasma [PECVD]
-
- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02612—Formation types
- H01L21/02617—Deposition types
- H01L21/0262—Reduction or decomposition of gaseous compounds, e.g. CVD
-
- 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
- H01L21/314—Inorganic layers
- H01L21/318—Inorganic layers composed of nitrides
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Plasma & Fusion (AREA)
- Inorganic Chemistry (AREA)
- Formation Of Insulating Films (AREA)
- Chemical Vapour Deposition (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Description
1246127 五、發明說明(1) 技術領域 本發明係關於一種生成tμ山 及形成薄膜裝置以及絕緣膜以β硼奴膜的形成薄膜方法以 背景㈣ 置及、一以及半導體積體電路。 絕緣護:::::=路上,作為配線之層間 deposition)法所產生之Si〇 ^^CVD(Chem1Cal vapor ==株 配線間之電容所產生之配線延遲,將 決此問題,係須要將配線層===而有問題。為解 化,因此作為層間絕緣膜須要予以低介電率 在此種狀況下,有機系:料ΠΠΓ率之材料。 ,而可實現極低之介電率(比介電、夕貝材料係文到注目 化學性及機械性耐性及熱傳導性\率為卜./以下),而有 又,近年來於氮化硼薄膜上成二題。 率,但耐吸濕性仍有問題者係屬公知。為2· 2之極低介電 在此種狀況下,耐熱性、耐从 電率之氮化硼碳薄膜係受到注 7、#較佳且具有極低介 薄膜形成技術尚未確立之現在,在利用電漿CVD法之 薄膜當成製品而形成為薄臈之镇1j望能出現將氮化硼碳 裝置。 /寻膜形成方法以及薄膜形成 本發明係有鑑於前述狀況所形 一種可形成氮化硼碳薄膜之方半’其目的在於提供 發明之概it 去以及形成薄膜之裝置。 2015-4745-PF(N).ptd 第4頁 1246127
五、發明說明(2)
,發明之形成薄膜方法的特徵在於:於形成薄膜室内 ^ ^勵氮原子後將激勵之氮原子與硼元素及碳元素反應 而於基板上形成氮化硎碳薄膜者。 生成f發明之薄膜形成方法的特徵在於:於形成薄膜室内 之氮;而於形Μ膜室内主要激勵氮原子後使激勵起 子與氫氣與作”載氣體之氣化删氣體以及碳元素 μ而於基板上形成氮化糊碳薄膜者。 氫之碳元素之供給使用碳化氫氣體較佳。於使用碳化 又^可達到將氣體供給系統予以簡單化之新效果。 用有機# 2於碳元素之供給使用有機系材料亦甚佳。於使 時供給之# = %合,其具有可將硼元素以及氮之一部份同 \ W徵。 氮之有機仏人材料係可適當地適用例如包含有三甲基硼及 將氮翕、、I ί等I其中尤以三甲基删為最佳。 較佳。而1:里與氯化棚氣體流量之比設定於0 · 1〜1 0 · 0為 碳化^0:1〜2·0、為更佳,而為1·〇〜1.3為最佳。 ο 1〜5 · 〇較佳氣體t ^量與氯化侧氣體之流量之比設定為0 · 則為最佳。而"又定為0 · 1〜2 · 0為更佳,而設定為0 · :1〜0 · 5 U有機系材料氣 為0.01 〜5 3 · 〇則較佳 〇·卜〇· 5則更佳。 之流量與氣化硼氣體之流量之比設定 而設定為0 · 1〜2 · 0則甚佳,而設定為 裝置,辦之形成薄暝裝置的特徵在於包括:一第一導入 、化成薄膜室内導入氮氣;一電漿產生裝置,用以
2015-4745-PF(N).ptd 第5頁 1246127 五、發明說明(3) ί生置之下部或者内 間導入蝴元素與後元ΐί料導入裝置與保持襄置之 入之;置及碳元素分別獨立導 混合而藉由一個配管;構獨立而將删元素與破元素 裝置本::::成!膜裝置的特徵在於包括:-第-導入 電漿;一保持穿:室内導入氮氣;-電漿產生裝置,產生 ,一第二導入裝= Π或内部;以 室内導入以氫氣為自L 、 方侧之形成薄膜 室内導入氮氣;-電漿產生裝亡;: 及-第二導入‘置,將基板保持於電漿之下部或内邙. 室内導入以,f4,對第一導入裝置之下方侧之形键M 前述第i二為負載氣體之氯化硼及有機材料氣體者膜 解部則甚佳,^裝置於其途中包括分解有機材料:之: 實施發明之刀解部為可加熱之構成則甚佳。 、 (實施例)最佳形態 (實施例1) 形成Γ膜圖事為置本發明之實施第-實施例之形成薄祺方、、“ 残…ίΐ之概略側視圖。其係於圓筒狀容器 U漿產生部2,係介以整合器3連接高頻電内。置 2015-4745-PF(N).ptd 第6頁 1246127 五、發明說明(4) ' ^ ^頻電源4係可供給丨!^〜;^!^之高頻電力。自氮氣導入部5 供給氮氣,而產生電漿50。於基板保持部6上放置基板6〇 ,基板保持部6内安裝有加熱器7。藉由加熱器7,基板6〇 之溫度係被設定於室溫至5 0 0 t之範圍。又,於放置於基 ,保持部6上之基板6 0係形成為可藉由偏壓施加部8施加偏 壓之狀恶。於圓筒狀容器1中設有導入以氫氣為載體之氯 化爛(一氟化石朋)氣體用之導入部9。又,於圓筒狀容器1中 設有導入碳化氫系氣體用之導入部1〇。於基板保持部6之 下方安裝有排氣部1 1。 關於各氣體之供給流量,氮氣之流量與氯化硼氣體之 ^量,比(氮氣/氯化硼)為0.卜1〇 〇,而碳化氫氣體之流 里與氯化硼之流ΐ之比(碳化氫氣體/氣化硼氣體)係設定 為〇· 05〜5· 0 〇 將Ρ型矽基板6 0放置於基板保持部6,將容器1内部排 氣成lx l〇-6Torr。將基板溫度設定於3〇(pc。其後,將氮 氣自導入部5導入圓筒狀容器!内。藉由供給lkw之高頻電 力(13· 56MHz),產生電漿。接著將以氫氣為負載氣體之氯 化硼搬送至容器1内。又,將甲烷氣體供給至容器1内。將 谷器1内之氣體壓力調整至〇.6Torr而實行氮化硼碳膜61之 合成。氯化硼與甲烷氣體並非形成電漿,而係藉由氮氣電 漿將氯化卿與甲烧氣體予以分解,而產生獨原子與碳原 子,而與氮原子反應而實行氮化硼碳膜之合成。氣元素係 與氫原子化合而變成氯化氫,可抑制氣原子被取入至膜 内0
2015-4745-PF(N).ptd 第7頁 1246127 五、發明說明(5$ '"""" " - ' 於P型石夕基板60上沈積ι〇〇ηιη之氮化碳膜61,而於氮 化侧碳膜61上蒸鍍au,於形成電極後,測量電容—電壓特 性’而使用金屬/氮化硼碳膜/ p型矽構造之蓄積區域之電 谷值與氮化硼碳膜61之厚度評估比介電率。其結果比介電 率可得到2 · 2〜2 · 6之較低值。 可得到具有2 · 2〜2 · 6之較低比介電率之氮化硼碳膜6 1 之合成條件係如第2圖及第3圖所示。第2圖為甲烷氣體與 氯化爛之流量比設為〇 · 1時之氮氣與氯化硼之流量比與比 介電率之關係之示意圖。第3圖為將氮氣與氯化硼之流量 比設為1 · 3時之甲烷氣體與氯化硼之流量比與比介電率之 關係之示意圖。藉由變化基板溫度係可擴大能得到具有低 介電率之氮化硼碳膜6 1之氣體流量比之範圍。 (實施例2 ) 第4圖為本發明之實施第二實施例之形成薄膜方法之 形成薄膜裝置之概略側視圖。其係於圓筒狀容器1内設置 感應結合電漿產生部2,係介以整合器3連接高頻電源4。 高頻電源4係可供給lkw〜10kw之高頻電力。自氮氣導入部5 供給氮氣,而產生電漿5 〇。於基板保持部6上放置基板 6 0,而於基板保持部6内安裝有加熱部7。藉由加熱部7將 基板60之溫度設定為室溫至5〇〇 °c之範圍。又,於放置於 基板保持部6上之基板60上係可藉由偏壓施加部8施加偏 壓。可不必混合以氫氣為負載之氯化硼氣體與氮化氫系氣 體,而設置導入至圓筒狀容器1之導入部29,將之引導至 圓筒狀容器1之前緣,而導入圓筒狀容器1,並將兩者之管
2015-4745-PF(N).ptd 第8頁 1246127 五、發明說明(6) 路合而為一。於基板保持部6之下方安裝有排氣部11。 關於各氣體之供給流量範圍’氮氣之流量與氣化侧之 流量之比(氮氣/氯化硼)係設定為0 · 1〜1 0 · 0,而碳化氫氣 體之流量與氯化硼氣體之流量之比(碳化氫氣體/氯化硼) 係設定為0 · 0 1〜5. 0,氫氣之流量與氣化硼之流量之比(氫 氣/氯化硼)係設定為0· 05〜5. 0。 將P型矽基板b U放置於基板保持部6 0並將容器1内部排 氣至1 X l〇-6Torr。將基板溫度設定為300 °C。其後將氮氣 自導入部5導入至圓筒狀容器1内。藉由供給高頻電力(13. 5 6MHz)lkw即產生電漿50。接著將以氫氣為負載氣體之氯 化侧搬送至容器1之前緣。又,將甲烷引導至容器1之前 緣’將氣化獨與甲烧氣體之管路合而為一而自導入部2g供 給至容器1内。將容器1内之氣體壓力調整至〇6T〇rr而實 行氮化硼碳膜61之合成。氯化硼及甲烷氣體並不作為電 浆,而係藉由氮氣電漿將氯化蝴及甲烷氣體予以分解, ^生=子及碳原使與氮原子反應而實 之合成。氯元素係與氫原子化合而產生巧 抑制氯原子被取入至膜内。 八係了 .於13型石夕基板60上沈積丨〇〇龍之氮化蝴碳膜61,並於$ 氮化硼碳膜61上蒸鍍Au,於带成雷托% 、 並於違 :性,而使用金屬/氣化爛碳膜/p型石夕構 電- 電=與氮化硼碳膜61之厚度評估比介冓 貝:或之θ 到比介電率為2 · 2〜2 · 6之較低值。 电丰 /、、、、口果,侍 於本實施例之氯化硼盥舻〜々 /、反化虱乳體之導入法中,採用
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化氫之方法係可得 對容器1内之氮氣電漿導入氯化硼與碳 到與實施例1之方法相同之效果。 (實施例3) 第5圖為本發明實施第三實施例 ^ n心办成薄膜方 成薄膜裝置之概略側視圖。於圓筒狀交、 y 叫u狀奋器1内設有咸士 合電漿產生部2,其係介以整合器3連接古 有α應、、,口 ^ ^ ^ 思钱阿頻電源4。高頻 電源4係可供給1 kw〜1 Okw之高頻電力。而白*〆… 給亂耽,而產生電漿50,於基板保持部6上放置基板6〇, 而於基板保持部6内安裝有加熱部7。藉由加熱部7將某板 60之溫度設定為室溫至5 0 0 °C之範圍。又,於放置於二板 保持部6上之基板6 0上係可藉由偏壓施加部8施加偏;壓。於 圓筒狀容器1中係設有可導入以氫氣為負載氣體之氯化硼' 軋體用之導入部9。又’於碳化氫系氣體導入部之圓筒 狀容器1之前緣係設有分解碳化氫氣體用之分解部31〇。於 基板保持部6之下方安裝有排氣部1 1。 關於各氣體之供給流量範圍,氮氣之流量與氣化硼之 流篁之比(敗氣/氯化硼)係設定為0 · 1〜1 〇 · 〇,而碳化氳氣 體之流量與氯化硼之流量之比(碳化氫氣體/氯化硼)係設 定為0. 0 1〜5 · 0,氫氣之流量與氯化硼之流量之比(氫氣/氯 化硼)係設定為0 . 0 5〜5 · 0。 將P型矽基板6 0放置於基板保持部6 0並將容器1内部排 氣至1 X 1 0_6 T 〇 r r。將基板溫度設定為3 0 0 °C。其後將氮氣 自導入部5導入至圓筒狀容器1内。藉由供給高頻電力(13· 5 6MHz )lkw即產生電漿50。接著以氫氣為負載氣體將氯化
2015-4745-PF(N).ptd 第10頁 1246127
硼自導入部9搬送至容器丨内。又,將 ::解部31。作熱分解,而自導入部1〇供:文裝=熱: 合成。藉由將甲烷貫行氮化删碳膜61之 :作為電,,而係藉由氮氣電聚予以“原:二化删並 :;氯元素係與氫原子化=產化 原子被取入至膜内。 八係可抑制虱 於Ρ型矽基板60上沈積1〇〇11111之氮化硼 匕爛碳膜61上蒸鍍Au ’於形成電極後,二量電容並電於壓該 特性,而使用金屬/氮化侧、^ ^ i t, ^ 到比介電率為2. 2〜2. 6之較低值。 ,、、,、σ果传 於此時施例3亦可達成取得與前述實施例丨及實施例2 所侍之低介電率氮化硼碳膜相同特性之薄膜之結果。又, 於實鉍例3中係以將甲烷氣體流量減少2〇%程度之條件實現 低介電率膜,係可提高碳原子之取入沈積膜中之效率,而 有可抑制曱烷使用量之效果。 (實施例4) ^第6圖為本發明之實施第四實施例之形成薄膜方法之 形成薄膜裝置的概略側視圖。係於圓筒狀容器1内設置感 應結合電漿產生部2,且介以整合器3連接高頻電源4。高 頻電源4係可供給lkw〜10 kw之高頻電力。自氮氣導入部5導 入氮氣而產生電漿50。於基板保持部6上放基板60而於基
2015-4745-PF(N).ptd
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板保持部6内安裝加熱器7。藉由加熱器7將基板6〇之溫度 设疋於室溫至5 〇 〇 °C之範圍。又,可對基膽保持部6上所放 置之基板6 0藉由偏壓施加部8施加偏壓。於圓筒狀容琴1上 設有導入以氫氣為負載氣體之氣化硼氣體用之導入部9。 又,於碳化氫系氣體導入部1 〇之圓筒狀容器丨之前緣設有 分解碳化氫氣體用之分解部410。基板保持部6之下方安裝 有排氣部1 1。 關於各氣體之供給流量範圍,氮氣之流量與氯化糊之 流量之比(氮氣/氯化硼)係設定為〇 · 1〜丨〇 · 0,而碳化氮氣 體之流量與氯化硼之流量之比(碳化氫氣體/氯化硼)係設 定為0 · 0 1〜5 · 0 ’氳氣之流量與氣化硼之流量之比(氫氣/氯 化硼)係設定為0 · 0 5〜5 · 0。 ’ 將P型砍基板6 0放置於基板保持部6 〇並將容器1内部排 氣至1 X 10_6Torr。將基板溫度設定為3〇〇 °c。其後將氮氣 自導入部5導入至圓筒狀容器1内。藉由供給高頻電力π3· 56MHz )lkw即產生電漿50 °接著以氫氣為負載氣體將氯化 硼自導入部9搬送至容器1内。又,自高頻電源412( 13· 56MHz)對安裝有線圈之分解部41〇以通過整合器411之 方式供給以高頻電力10⑽’並藉由放電將甲烧氣體分解, 而自導入部10供給自谷器1内。將容器1内之氣體壓力調整 至0· 6T〇rr而實行氮化侧碳膜61之合成。藉由將甲烧氣體 作熱分解而供給碳原子’氯化硼並不作為電漿,而係藉由 氮氣電漿將氣化侧分解’而供給删原子。將此爛原子!與分 解甲烷氣體所得之碳原子與氮原子產生反應,而實行/氮化
1246127 五、發明說明(10) 硼碳膜61之合成。氯元素係與氫原子化合 其係可抑制氯原子被取入至膜内。 產生氟化氫, "於P型矽基板60上沈積1〇〇nm之氮化硼碳膜Η, 亂化硼碳膜61上蒸鍍Au,於形成電、並於孩 特性,而使用金屬/氮化蝴碳膜/1}型/構^置電容-電壓 電容值與氮化硼碳膜61之厚度評估比介4電率。畜盆積姓區域之 到比介電率為2 · 2〜2 · 6之較低值。 〜果,得 本實施例4係揭示出與前述實施例3相同 冗:2體流量25%之條件下實現低介電率^^ …膜内之效率,而具有可抑制甲Λ:使 實施例1〜4係使用甲烷氣體作為碳化 烧氣體、乙炔氣體起係可使用各式各樣之孔體,但自乙 (實施例5 ) 八 實施例!係使用與第以所示之成膜裝置 置’但取代甲烷氣體,將三甲基硼自導入部1〇供;^ 狀容器1。至於基板溫度及高頻電力等之A他人、、。至圓幫 使用與實施例1之條件為相同之條件。 D成條件係 於P型矽基板60上沈積1 〇〇nm之氮化硼碳膜η, 氮化硼碳膜61上蒸鍍Au,於形成電極後,測量電六〜、’於该 特性,而使用金屬/氮化蝴碳膜/ p型石夕構造之電壓 電容值與氮化硼碳膜61之厚度評估比介電率。豆处品域之 到比介電率為2· 2〜2· 6之較低值。 /、…果’得 使用與前述實施例2〜4所使用之如第4圖至第6 一
^ 圖所TpC
2015-4745-PF(N).ptd 第13頁 1246127 五 發明說明(11) 之成膜裝置為相回 、、 導入部10供給 狀写代甲院氣體將三甲基蝴自 等之其他人成你f 基板溫度與高頻電力 件。於合:係使用與實施例2〜4之條件為相同之侔 之較低值鼠化删碳膜61上可得到比介電率為2. 2〜2j 基爛在Γ:ΓΛ供八給碳原子係使用有機材料之-之三甲 任意之要疋包含爛元素或氮原子之有機材料係可採用 入 奉貫施例中 惟使用,氣亦可得到相系使用氮氣氣體’ t使用第7圖說明本發明之形成薄膜方法所形成 硼適用於積體電路之例。#由電晶體5〇ι之高積體 電率ί Ϊ ^ Ϊ5G2作成多層構造係於配線間使用具有低介 所來^ : ^緣體薄膜5G3,而亦可使用本形成薄膜方法 所形成之氮化硼碳膜。 ,作為層間絕緣體薄膜503為使用有機薄膜或多孔 ^之場合,係有機械性強度及吸濕性等之問題,但可將 &圖所不一般之以本發明之薄膜形成方法所形成之氮化 爛奴膜作為有機薄膜及多孔質膜之保護膜5〇4使用。藉由 此種有機薄膜及多孔質臈與氮化硼碳膜之合體係可達成較 亂化蝴碳膜單層之比介電率為低之介電率,可得到1.9程 度之實效性之比介電率。 產業上之利用可能性 如上所述’依本發明,藉由電漿CVD法可於半導體積
2015-4745-PF(N).Ptd 第14頁 1246127 五、發明說明(12) 體電路等之基板上形 電將本::之薄膜形成方法成薄膜容器内產生氮氣 姑祖於&山s 為負载氣體之氯化硼,以碳化氫或有機 报#友化n山* 仏給至氮氣電漿中,並使其反應,而 叨3古石反膜、、’因此機械性及化學性甚安定,而具有耐
二^及南熱傳導性,τ高速地形成出具有低介電率之氮 化硼碳膜。 L ^ ^ t毛明之形成薄膜裝置係於圓筒狀容器内設置氮 裝置,並於氮氣導入裝設置基板之保持 化…元素之供給源之碳;寺=間設置作為氯 係使氮氣電裝與蝴元素及碳原:產=料之導入裝置, 形成氮化硼碳膜。其結果,彳高速地而可於基板上 為甚安定且具有耐吸濕性及高熱傳導^成機械性及化學性 氮化调碳膜。 且具有低介電率之 本發明之氮化硼碳膜係可作為積 緣體薄膜或保護膜使用。 、〃路之配線層間絕
2015-4745-PF(N).ptd
第15頁
1246127 圖式簡單說明 第1圖為本發明之實施例1有關之形成薄膜裝置之剖面 圖。 第2圖為氮氣與氯化硼之流量比所對應之比介電率之 示意圖。 第3圖為甲烷氣體與氯化硼之流量比所對應之比介電 率之示意圖。 第4圖為本發明之實施例2之形成薄膜裝置之剖面圖。 第5圖為本發明之實施例3之形成薄膜裝置之剖面圖。 第6圖為本發明之實施例4之形成薄膜裝置之剖面圖。 第7圖為利用本發明之實施例有關之形成薄膜方法所 形成之氮化硼碳膜之使用於積體電路上之狀態之剖面概略 示意圖。 第8圖為利用本發明之實施例有關之形成薄膜方法所 形成之氮化硼碳膜之使用於積體電路上之狀態之剖面概略 示意圖。 符號說明 1〜圓筒狀容器; 2〜感應結合電漿產生部; 3〜整合器; 4〜南頻電源, 5〜氮氣導入部; 6〜基板保持部; 7〜加熱器; 8〜偏壓施加部;
2015-4745-PF(N).ptd 第16頁 1246127 圖式簡單說明 9〜導入部; 1 0〜導入部; 11〜排氣部; 2 9〜導入部; 5 0〜電漿; 6 0〜基板; 6 1〜氮化硼碳膜; 3 1 0〜分解部; 4 1 0〜分解部; 4 11〜整合器; 41 2〜南頻電源, 5 0 1〜電晶體; 5 0 2〜配線; 50 3〜層間絕緣體薄膜; 5 0 4〜保護膜。
2015-4745-PF(N).ptd 第17頁
Claims (1)
1246127 _案號91106184_年月曰 修正_ 六、申請專利範圍 一保持裝置,將基板保持於電漿之下部或者内部;以 及 一第二導入裝置,在第一導入裝置與保持裝置之間導 入硼元素與碳元素材料。 9.如申請專利範圍第8項所述之形成薄膜裝置,其中 前述第二導入裝置係構成為將硼元素及碳元素分別獨立導 入之構成。 1 0. —種形成薄膜裝置,其特徵在於包括: 一第一導入裝置,對形成薄膜室内導入氮氣; 一電漿產生裝置,產生電漿; 一保持裝置,將基板保持於電漿之下部或内部;以及 一第二導入裝置,對第一導入裝置之下方側之形成薄 膜室内導入以氫氣為負載氣體之氯化硼及碳化氫氣體者。 11. 一種形成薄膜裝置,其特徵在於包括: 一第一導入裝置,對形成薄膜室内導入氮氣; 一電漿產生裝置,產生電漿; 一保持裝置,將基板保持於電漿之下部或内部;以及 一第二導入裝置,對第一導入裝置之下方侧之形成薄 膜室内導入以氫氣為負載氣體之氯化硼及有機材料氣體 者。 1 2.如申請專利範圍第11項之形成薄膜裝置,其中前 述第二導入裝置於其途中包括分解有機材料用之分解部 者。 1 3.如申請專利範圍第1 2項之形成薄膜裝置,其中前
2015-4745-PF(Nl).ptc 第19頁 1246127 _案號91106184_年月曰 修正_ 六、申請專利範圍 述分解部係具有可加熱有機材料之構成者。 1 4. 一種絕緣膜,以申請專利範圍第1至7項中任一項 所述之方法製成者。 1 5. —種半導體積體電路,具有申請專利範圍第1 4項 所述之絕緣膜者。 1 6.如申請專利範圍第1 5項之半導體積體電路,其中 前述絕緣膜係配線間絕緣膜者。
2015-4745-PF(Nl).ptc 第20頁
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JP2001094037 | 2001-03-28 | ||
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EP (1) | EP1376672A1 (zh) |
JP (1) | JP4406178B2 (zh) |
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CN (1) | CN1513201A (zh) |
IL (1) | IL158094A0 (zh) |
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JP5221840B2 (ja) * | 2001-03-28 | 2013-06-26 | 株式会社渡辺商行 | 成膜方法並びに絶縁膜及び半導体集積回路 |
WO2003005432A1 (fr) * | 2001-07-05 | 2003-01-16 | Kabushiki Kaisha Watanabe Shoko | Procede et appareil de formation de film a basse constante dielectrique et dispositif electronique utilisant ce film |
US9997357B2 (en) | 2010-04-15 | 2018-06-12 | Lam Research Corporation | Capped ALD films for doping fin-shaped channel regions of 3-D IC transistors |
US9257274B2 (en) | 2010-04-15 | 2016-02-09 | Lam Research Corporation | Gapfill of variable aspect ratio features with a composite PEALD and PECVD method |
US8637411B2 (en) | 2010-04-15 | 2014-01-28 | Novellus Systems, Inc. | Plasma activated conformal dielectric film deposition |
US8476743B2 (en) * | 2011-09-09 | 2013-07-02 | International Business Machines Corporation | C-rich carbon boron nitride dielectric films for use in electronic devices |
SG2013083654A (en) | 2012-11-08 | 2014-06-27 | Novellus Systems Inc | Methods for depositing films on sensitive substrates |
US9564312B2 (en) | 2014-11-24 | 2017-02-07 | Lam Research Corporation | Selective inhibition in atomic layer deposition of silicon-containing films |
US10566187B2 (en) | 2015-03-20 | 2020-02-18 | Lam Research Corporation | Ultrathin atomic layer deposition film accuracy thickness control |
US9773643B1 (en) | 2016-06-30 | 2017-09-26 | Lam Research Corporation | Apparatus and method for deposition and etch in gap fill |
US10062563B2 (en) | 2016-07-01 | 2018-08-28 | Lam Research Corporation | Selective atomic layer deposition with post-dose treatment |
US10037884B2 (en) | 2016-08-31 | 2018-07-31 | Lam Research Corporation | Selective atomic layer deposition for gapfill using sacrificial underlayer |
US10269559B2 (en) | 2017-09-13 | 2019-04-23 | Lam Research Corporation | Dielectric gapfill of high aspect ratio features utilizing a sacrificial etch cap layer |
US11830729B2 (en) * | 2021-01-08 | 2023-11-28 | Applied Materials, Inc. | Low-k boron carbonitride films |
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US5270029A (en) * | 1987-02-24 | 1993-12-14 | Semiconductor Energy Laboratory Co., Ltd. | Carbon substance and its manufacturing method |
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JP4406178B2 (ja) | 2010-01-27 |
US20040157472A1 (en) | 2004-08-12 |
KR20080041302A (ko) | 2008-05-09 |
JP2002359242A (ja) | 2002-12-13 |
EP1376672A1 (en) | 2004-01-02 |
CN1513201A (zh) | 2004-07-14 |
KR20030093275A (ko) | 2003-12-06 |
WO2002080260A9 (fr) | 2003-03-13 |
WO2002080260A1 (fr) | 2002-10-10 |
KR100870172B1 (ko) | 2008-11-25 |
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