JP2005522892A - 短時間熱処理を使って薄膜層を化学的に形成する方法 - Google Patents
短時間熱処理を使って薄膜層を化学的に形成する方法 Download PDFInfo
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- JP2005522892A JP2005522892A JP2003586929A JP2003586929A JP2005522892A JP 2005522892 A JP2005522892 A JP 2005522892A JP 2003586929 A JP2003586929 A JP 2003586929A JP 2003586929 A JP2003586929 A JP 2003586929A JP 2005522892 A JP2005522892 A JP 2005522892A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 41
- 239000010409 thin film Substances 0.000 title claims abstract description 23
- 239000002344 surface layer Substances 0.000 claims abstract description 96
- 238000000034 method Methods 0.000 claims abstract description 66
- 239000010410 layer Substances 0.000 claims abstract description 60
- 239000000463 material Substances 0.000 claims abstract description 43
- 239000002019 doping agent Substances 0.000 claims abstract description 41
- 239000000758 substrate Substances 0.000 claims abstract description 35
- 239000010408 film Substances 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 6
- 229910021332 silicide Inorganic materials 0.000 claims abstract description 5
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims abstract description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 36
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 30
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 26
- 229910052757 nitrogen Inorganic materials 0.000 claims description 18
- 150000002500 ions Chemical class 0.000 claims description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 12
- 229910052710 silicon Inorganic materials 0.000 claims description 12
- 239000010703 silicon Substances 0.000 claims description 12
- 238000005229 chemical vapour deposition Methods 0.000 claims description 8
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 7
- 238000013532 laser treatment Methods 0.000 claims description 7
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 7
- 238000009792 diffusion process Methods 0.000 claims description 6
- 229910052735 hafnium Inorganic materials 0.000 claims description 5
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims description 5
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 4
- -1 nitrogen ions Chemical class 0.000 claims description 4
- 229910052726 zirconium Inorganic materials 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 12
- 230000008018 melting Effects 0.000 description 9
- 238000002844 melting Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 238000001912 gas jet deposition Methods 0.000 description 4
- 238000002513 implantation Methods 0.000 description 4
- 238000001289 rapid thermal chemical vapour deposition Methods 0.000 description 4
- 238000000663 remote plasma-enhanced chemical vapour deposition Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005468 ion implantation Methods 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000010405 reoxidation reaction Methods 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- RBFQJDQYXXHULB-UHFFFAOYSA-N arsane Chemical compound [AsH3] RBFQJDQYXXHULB-UHFFFAOYSA-N 0.000 description 1
- 229910000070 arsenic hydride Inorganic materials 0.000 description 1
- 238000010420 art technique Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005224 laser annealing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
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Abstract
Description
"ULSI Process Integration for 2005 and beyond", Electrochemical Society Proceedings Volume 2001-2, page 3-33 "The Gate Stack/shallow Junction Challenge for Sub-100 nm Technology Generations", Electrochemical Society Proceedings Volume 2001-2, page 223-241
Claims (31)
- 基板上に薄膜層を形成するための方法であって、
ドーパント材料を含む薄い表面層を基板上に形成する工程と、
50オングストロームまたはそれ以下の厚さを有する絶縁膜、金属膜またはシリサイド膜を形成するべく表面層とドーパント材料との間に反応を生じさせるよう選択された処理パラメータでドープされた表面層を短時間熱処理する工程と、
から成る方法。 - 請求項1に記載の方法であって、薄い表面層を形成する工程はドーパント材料の低エネルギーイオンで薄い表面層をプラズマドーピングする工程から成る、ところの方法。
- 請求項1に記載の方法であって、薄い表面層を形成する工程はドーパント材料の低エネルギーイオンで薄い表面層をイオン注入する工程から成る、ところの方法。
- 請求項1に記載の方法であって、薄い表面層を形成する工程は薄い表面層及びドーパント材料を化学気相成長する工程から成る、ところの方法。
- 請求項1に記載の方法であって、薄い表面層を形成する工程は窒素で薄い表面層をドーピングする工程から成る、ところの方法。
- 請求項1に記載の方法であって、薄い表面層を形成する工程はハフニウムで薄い表面層をドーピングする工程から成る、ところの方法。
- 請求項1に記載の方法であって、薄い表面層を形成する工程はジルコニウムで薄い表面層をドーピングする工程から成る、ところの方法。
- 請求項1に記載の方法であって、薄い表面層を形成する工程は薄い酸化シリコン膜を形成する工程から成る、ところの方法。
- 請求項1に記載の方法であって、薄い表面層を形成する工程は30オングストロームまたはそれ以下の厚さを有する薄い表面層を形成する工程から成る、ところの方法。
- 請求項1に記載の方法であって、薄い表面層を形成する工程は20オングストロームまたはそれ以下の厚さを有する薄い表面層を形成する工程から成る、ところの方法。
- 請求項1に記載の方法であって、薄い表面層を形成する工程は窒素でドープされた薄い酸化シリコン層を形成する工程から成る、ところの方法。
- 請求項1に記載の方法であって、短時間熱処理する工程はドープされた表面層をフラッシュ急速熱処理する工程から成る、ところの方法。
- 請求項1に記載の方法であって、短時間熱処理する工程は、中間温度まで基板を急速加熱する工程及び中間温度より高い最終温度までドープされた表面層をフラッシュ加熱する工程から成る、ところの方法。
- 請求項1に記載の方法であって、短時間熱処理する工程はドープされた表面層を非溶融レーザー処理する工程から成る、ところの方法。
- 請求項1に記載の方法であって、ドープされた表面層を短時間熱処理する工程は約100ミリ秒またはそれ以下の時間で所望の温度までドープされた表面層を加熱する工程から成る、ところの方法。
- 請求項1に記載の方法であって、ドープされた表面層を短時間熱処理する工程は約10ミリ秒またはそれ以下の時間で所望の温度までドープされた表面層を加熱する工程から成る、ところの方法。
- 請求項1に記載の方法であって、ドープされた表面層を短時間熱処理する工程は約1000℃から1410℃の範囲の温度で熱処理する工程から成る、ところの方法。
- 請求項1に記載の方法であって、ドープされた表面層を短時間熱処理する工程は約1150℃から1350℃の範囲の温度で熱処理する工程から成る、ところの方法。
- 請求項1に記載の方法であって、薄い表面層とドーパント材料との間の反応は高い誘電率を有する絶縁層を形成する、ところの方法。
- シリコン基板上に薄膜層を形成するための方法であって、
窒素を含むドープされた酸化シリコン層をシリコン基板上に形成する工程と、
窒化シリコン、酸窒化シリコンまたはその両方を形成するべく酸化シリコンと窒素との間に反応を生じさせ、かつ基板内への窒素の大きな拡散を回避するよう選択された処理パラメータでドープされた酸化シリコン層を短時間熱処理する工程と、
から成る方法。 - 請求項20に記載の方法であって、ドープされた酸化シリコン層を形成する工程は低エネルギー窒素イオンで薄い表面層をプラズマドーピングする工程から成る、ところの方法。
- 請求項20に記載の方法であって、ドープされた酸化シリコン層を形成する工程は低エネルギー窒素イオンで薄い表面層をイオン注入する工程から成る、ところの方法。
- 請求項20に記載の方法であって、ドープされた酸化シリコン層を形成する工程は窒素を含む酸化層を化学気相成長する工程から成る、ところの方法。
- 請求項20に記載の方法であって、ドープされた酸化シリコン層は50オングストロームまたはそれ以下の厚さを有する、ところの方法。
- 請求項20に記載の方法であって、短時間熱処理する工程はドープされた酸化シリコン層をフラッシュ急速熱処理する工程から成る、ところの方法。
- 請求項20に記載の方法であって、短時間熱処理する工程は、中間温度までシリコン基板を急速加熱する工程及び中間温度よりも高い最終温度までドープされた酸化シリコン層をフラッシュ加熱する工程から成る、ところの方法。
- 請求項20に記載の方法であって、短時間熱処理する工程は、ドープされた酸化シリコン層を非溶融レーザー処理する工程から成る、ところの方法。
- 請求項20に記載の方法であって、ドープされた酸化シリコン層を短時間熱処理する工程は約100ミリ秒またはそれ以下の時間で所望の温度までドープされた酸化シリコン層を加熱する工程から成る、ところの方法。
- 請求項20に記載の方法であって、ドープされた酸化シリコン層を短時間熱処理する工程は約10ミリ秒またはそれ以下の時間で所望の温度までドープされた酸化シリコン層を加熱する工程から成る、ところの方法。
- 請求項20に記載の方法であって、ドープされた酸化シリコン層を短時間熱処理する工程は約1000℃から1410℃の範囲の温度で熱処理する工程から成る、ところの方法。
- 請求項20に記載の方法であって、ドープされた酸化シリコン層を短時間熱処理する工程は約1150℃から1350℃の範囲の温度で熱処理する工程から成る、ところの方法。
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US10/122,823 US6878415B2 (en) | 2002-04-15 | 2002-04-15 | Methods for chemical formation of thin film layers using short-time thermal processes |
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EP (1) | EP1495489A2 (ja) |
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TWI286793B (en) | 2007-09-11 |
WO2003090272A2 (en) | 2003-10-30 |
US6878415B2 (en) | 2005-04-12 |
WO2003090272A3 (en) | 2004-01-22 |
TW200305206A (en) | 2003-10-16 |
EP1495489A2 (en) | 2005-01-12 |
US20030194509A1 (en) | 2003-10-16 |
KR20040101486A (ko) | 2004-12-02 |
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