JP2019153608A - 熱処理装置および熱処理方法 - Google Patents
熱処理装置および熱処理方法 Download PDFInfo
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- JP2019153608A JP2019153608A JP2018035489A JP2018035489A JP2019153608A JP 2019153608 A JP2019153608 A JP 2019153608A JP 2018035489 A JP2018035489 A JP 2018035489A JP 2018035489 A JP2018035489 A JP 2018035489A JP 2019153608 A JP2019153608 A JP 2019153608A
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- oxygen concentration
- heat treatment
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 140
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000007669 thermal treatment Methods 0.000 title abstract 2
- 239000001301 oxygen Substances 0.000 claims abstract description 194
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 194
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 191
- 239000007789 gas Substances 0.000 claims abstract description 129
- 239000011261 inert gas Substances 0.000 claims abstract description 101
- 238000005259 measurement Methods 0.000 claims abstract description 58
- 238000005070 sampling Methods 0.000 claims abstract description 56
- 239000012298 atmosphere Substances 0.000 claims abstract description 35
- 239000000758 substrate Substances 0.000 claims description 43
- 230000007246 mechanism Effects 0.000 claims description 36
- 238000012545 processing Methods 0.000 claims description 31
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- 239000010935 stainless steel Substances 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 2
- 238000003672 processing method Methods 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 34
- 229910001873 dinitrogen Inorganic materials 0.000 abstract description 28
- 239000004065 semiconductor Substances 0.000 description 115
- 229910052736 halogen Inorganic materials 0.000 description 62
- 150000002367 halogens Chemical class 0.000 description 62
- 238000012546 transfer Methods 0.000 description 58
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 36
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 18
- 229910021529 ammonia Inorganic materials 0.000 description 18
- 235000012239 silicon dioxide Nutrition 0.000 description 17
- 239000010453 quartz Substances 0.000 description 16
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 14
- 230000005855 radiation Effects 0.000 description 13
- 230000002093 peripheral effect Effects 0.000 description 11
- 229910052724 xenon Inorganic materials 0.000 description 11
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 11
- 230000006870 function Effects 0.000 description 10
- 238000000137 annealing Methods 0.000 description 7
- 239000011521 glass Substances 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 239000007784 solid electrolyte Substances 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 5
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 230000004913 activation Effects 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000012299 nitrogen atmosphere Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000000231 atomic layer deposition Methods 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- -1 oxygen ions Chemical class 0.000 description 2
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- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910002076 stabilized zirconia Inorganic materials 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- OYLGJCQECKOTOL-UHFFFAOYSA-L barium fluoride Chemical compound [F-].[F-].[Ba+2] OYLGJCQECKOTOL-UHFFFAOYSA-L 0.000 description 1
- 229910001632 barium fluoride Inorganic materials 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 239000012530 fluid Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 239000001272 nitrous oxide Substances 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 1
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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
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- 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
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Abstract
Description
3 制御部
4 ハロゲン加熱部
5 フラッシュ加熱部
6 チャンバー
7 保持部
10 移載機構
31 タイマー
65 熱処理空間
74 サセプタ
75 保持プレート
77 基板支持ピン
88 ガス排気管
91 酸素濃度計
92 サンプリングライン
94 不活性ガス供給ライン
96 オリフィス
190 排気部
FL フラッシュランプ
HL ハロゲンランプ
W 半導体ウェハー
Claims (12)
- 基板に光照射することによって該基板を加熱する熱処理装置であって、
基板を収容するチャンバーと、
前記チャンバーに収容された前記基板に光照射するランプと、
前記チャンバー内の雰囲気を吸引して前記チャンバー内の酸素濃度を測定する酸素濃度計と、
前記チャンバーと前記酸素濃度計とを連通接続し、前記チャンバー内の雰囲気を前記酸素濃度計に導くサンプリングラインと、
前記酸素濃度計に不活性ガスを供給する不活性ガス供給ラインと、
前記チャンバー内の雰囲気を排気する排気ラインと、
を備え、
前記酸素濃度計は、前記チャンバーから吸引して酸素濃度の測定に使用した気体を前記排気ラインに排出し、
前記サンプリングラインを閉止して前記チャンバー内の酸素濃度の測定を中断したときに、前記不活性ガス供給ラインから前記酸素濃度計に不活性ガスを供給することを特徴とする熱処理装置。 - 請求項1記載の熱処理装置において、
前記不活性ガス供給ラインから供給する不活性ガスの酸素濃度は前記チャンバー内の酸素濃度よりも低いことを特徴とする熱処理装置。 - 請求項1または請求項2記載の熱処理装置において、
前記不活性ガス供給ラインから前記酸素濃度計に供給する不活性ガスの流量を前記チャンバーから前記酸素濃度計に導かれる気体の流量と等しくする流量調整機構を前記不活性ガス供給ラインに設けることを特徴とする熱処理装置。 - 請求項1から請求項3のいずれかに記載の熱処理装置において、
前記サンプリングラインはステンレススチールにて形成されることを特徴とする熱処理装置。 - 請求項1から請求項4のいずれかに記載の熱処理装置において、
前記チャンバー内を大気圧未満に減圧するとき、または、前記チャンバー内に反応性ガスを供給するときに、前記サンプリングラインを閉止して前記チャンバー内の酸素濃度の測定を中断することを特徴とする熱処理装置。 - 請求項5記載の熱処理装置において、
前記チャンバー内に反応性ガスを供給するときには、前記反応性ガスの供給を停止してから所定の設定時間の間は前記サンプリングラインの閉止を継続することを特徴とする熱処理装置。 - 基板に光照射することによって該基板を加熱する熱処理方法であって、
チャンバー内に収容した基板にランプから光照射する照射工程と、
前記チャンバー内の雰囲気を排気ラインに排気する排気工程と、
前記チャンバー内の雰囲気をサンプリングラインを経由して酸素濃度計に導いて前記チャンバー内の酸素濃度を測定し、酸素濃度の測定に使用した気体を前記排気ラインに排出する測定工程と、
前記測定工程を中断したときに、前記酸素濃度計に不活性ガスを供給する不活性ガス供給工程と、
を備えることを特徴とする熱処理方法。 - 請求項7記載の熱処理方法において、
前記不活性ガス供給工程にて前記酸素濃度計に供給する不活性ガスの酸素濃度は前記チャンバー内の酸素濃度よりも低いことを特徴とする熱処理方法。 - 請求項7または請求項8記載の熱処理方法において、
前記不活性ガス供給工程にて前記酸素濃度計に供給する不活性ガスの流量を前記測定工程にて前記チャンバーから前記酸素濃度計に導かれる気体の流量と等しくすることを特徴とする熱処理方法。 - 請求項7から請求項9のいずれかに記載の熱処理方法において、
前記サンプリングラインはステンレススチールにて形成されることを特徴とする熱処理方法。 - 請求項7から請求項10のいずれかに記載の熱処理方法において、
前記チャンバー内を大気圧未満に減圧するとき、または、前記チャンバー内に反応性ガスを供給するときに、前記測定工程を中断することを特徴とする熱処理方法。 - 請求項11記載の熱処理方法において、
前記チャンバー内に反応性ガスを供給するときには、前記反応性ガスの供給を停止してから所定の設定時間の間は前記測定工程の中断を継続することを特徴とする熱処理方法。
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