JP5254549B2 - 半導体複合構造体 - Google Patents
半導体複合構造体 Download PDFInfo
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- JP5254549B2 JP5254549B2 JP2006554070A JP2006554070A JP5254549B2 JP 5254549 B2 JP5254549 B2 JP 5254549B2 JP 2006554070 A JP2006554070 A JP 2006554070A JP 2006554070 A JP2006554070 A JP 2006554070A JP 5254549 B2 JP5254549 B2 JP 5254549B2
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- 239000004065 semiconductor Substances 0.000 title claims description 56
- 239000002131 composite material Substances 0.000 title claims description 43
- 239000011800 void material Substances 0.000 claims description 42
- 239000000758 substrate Substances 0.000 claims description 23
- 229910021645 metal ion Inorganic materials 0.000 claims description 6
- 239000003870 refractory metal Substances 0.000 claims description 4
- 230000005496 eutectics Effects 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 229910052715 tantalum Inorganic materials 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 239000010410 layer Substances 0.000 description 66
- 238000000034 method Methods 0.000 description 55
- 235000012431 wafers Nutrition 0.000 description 43
- 229910021426 porous silicon Inorganic materials 0.000 description 38
- 238000000137 annealing Methods 0.000 description 34
- 239000001301 oxygen Substances 0.000 description 24
- 229910052760 oxygen Inorganic materials 0.000 description 24
- 229910052739 hydrogen Inorganic materials 0.000 description 18
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 17
- 239000001257 hydrogen Substances 0.000 description 17
- 238000002048 anodisation reaction Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 14
- 238000012545 processing Methods 0.000 description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 13
- -1 oxygen ions Chemical class 0.000 description 13
- 238000005468 ion implantation Methods 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 229920002120 photoresistant polymer Polymers 0.000 description 10
- 150000002500 ions Chemical class 0.000 description 9
- 238000000151 deposition Methods 0.000 description 7
- 238000002513 implantation Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 7
- 238000007254 oxidation reaction Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000004581 coalescence Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000011810 insulating material Substances 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000002019 doping agent Substances 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000003672 processing method Methods 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000007743 anodising Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000001627 detrimental effect Effects 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000010884 ion-beam technique Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000004377 microelectronic Methods 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229910000673 Indium arsenide Inorganic materials 0.000 description 1
- 229910003811 SiGeC Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 229910003465 moissanite Inorganic materials 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
- H01L21/26506—Bombardment with radiation with high-energy radiation producing ion implantation in group IV semiconductors
- H01L21/26533—Bombardment with radiation with high-energy radiation producing ion implantation in group IV semiconductors of electrically inactive species in silicon to make buried insulating 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
- H01L21/70—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
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/7624—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66742—Thin film unipolar transistors
- H01L29/66772—Monocristalline silicon transistors on insulating substrates, e.g. quartz substrates
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Element Separation (AREA)
- Thin Film Transistor (AREA)
Description
一つの半導体基板と、
互いに隣り合う位置で半導体基板上に配置されたパターン付けされた埋没絶縁領域及びボイド平面からなる一つ又はそれ以上の層と、
パターン付けされた埋没絶縁領域及びボイド平面からなる一つ又はそれ以上の層の上に位置する所定の厚さのSiオーバーレイヤと、
を有する。
(a)半導体ウェーハの表面領域内に多孔性Siの層を形成するステップと、
(b)多孔性Si層の上にエピSi層を形成して、界面がエピSi層と多孔性Si層の間に存在するようにするステップと、
(c)ウェーハの所定の範囲に選択的にイオンを注入して、前記界面に又はその近くに注入領域を形成するステップと、
(d)ウェーハを高温でアニール処理して、周囲の多孔性Si層との反応によって注入領域を埋没絶縁領域に変換し、孔の合体によって非注入多孔性Siを埋没ボイド平面に変換するステップと、
を含む。
(i)半導体ウェーハ上に、例えば、フォトレジストなど耐HF材料のパターン付けされたマスクを形成し、前記パターン付けされたマスクが前記半導体ウェーハの部分を露出させる一つ又はそれ以上の開口を有するようにするステップと、
(ii)前記半導体ウェーハの前記露出部分の表面領域内に多孔性Siを形成するステップと、
(iii)前記パターン付けされたマスクを除去するステップと、
(iv)前記多孔性Siを含むウェーハ上にepi−Siを形成するステップと、
(v)高温でウェーハをアニール処理して、多孔性Siを孔の合体によって埋没ボイド平面に変換するステップと、
を含む。
Claims (7)
- 半導体基板と、
前記半導体基板の上にあって互いに隣合せに位置するパターン付けされた埋没導電領域及びボイド平面からなる、一つ又はそれ以上の層と、
前記一つ又はそれ以上の層の上に位置する、所定の厚さを有するSiオーバーレイヤとを含み、
前記埋没導電領域が注入された高融点金属イオンを含む、
半導体複合構造体。 - 前記Siオーバーレイヤが2nmから1μmまでの厚さを有する、請求項1に記載の半導体複合構造体。
- 前記注入高融点金属イオンが、Siと合金を形成した場合に1300℃より高い共融点温度を有する、請求項1に記載の半導体複合構造体。
- 前記一つ又はそれ以上の層の各々が、5nmから1μmまでの厚さを有する、請求項1に記載の半導体複合構造体。
- 前記Siオーバーレイヤがドープされている、請求項1に記載の半導体複合構造体。
- 前記Siオーバーレイヤの上に位置する表面酸化物をさらに含む、請求項1に記載の半導体複合構造体。
- 前記注入高融点金属イオンが、Mo,Ta,及びWからなる群から選択される、請求項1に記載の半導体複合構造体。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2004/004888 WO2005083775A1 (en) | 2004-02-19 | 2004-02-19 | FORMATION OF PATTERNED SILICON-ON-INSULATOR (SOI)/SILICON-ON-NOTHING (SON) COMPOSITE STRUCTURE BY POROUS Si ENGINEERING |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011111716A Division JP5466668B2 (ja) | 2011-05-18 | 2011-05-18 | 半導体複合体構造を形成する方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007523490A JP2007523490A (ja) | 2007-08-16 |
JP5254549B2 true JP5254549B2 (ja) | 2013-08-07 |
Family
ID=34912888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006554070A Expired - Fee Related JP5254549B2 (ja) | 2004-02-19 | 2004-02-19 | 半導体複合構造体 |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1716592A1 (ja) |
JP (1) | JP5254549B2 (ja) |
WO (1) | WO2005083775A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11695043B2 (en) | 2018-08-30 | 2023-07-04 | Kabushiki Kaisha Toshiba | Semiconductor device and method for manufacturing the same |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2906078B1 (fr) * | 2006-09-19 | 2009-02-13 | Commissariat Energie Atomique | Procede de fabrication d'une structure micro-technologique mixte et une structure ainsi obtenue |
US9524960B2 (en) | 2014-04-01 | 2016-12-20 | Empire Technoogy Development Llc | Vertical transistor with flashover protection |
US9406750B2 (en) | 2014-11-19 | 2016-08-02 | Empire Technology Development Llc | Output capacitance reduction in power transistors |
GB2625284A (en) * | 2022-12-12 | 2024-06-19 | Iqe Plc | Systems and methods for controlling porous resistivities |
GB2625286A (en) * | 2022-12-12 | 2024-06-19 | Iqe Plc | Systems and methods for tuning porous bandgaps to reduce thermal donor effects |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3530700B2 (ja) * | 1997-02-13 | 2004-05-24 | シャープ株式会社 | Soi半導体基板及びその製造方法 |
JP4273533B2 (ja) * | 1998-03-11 | 2009-06-03 | セイコーエプソン株式会社 | 半導体装置およびその製造方法 |
JP4277481B2 (ja) * | 2002-05-08 | 2009-06-10 | 日本電気株式会社 | 半導体基板の製造方法、半導体装置の製造方法 |
DE60324960D1 (de) * | 2002-12-20 | 2009-01-08 | Soitec Silicon On Insulator | Herstellung von hohlräumen in einer siliziumscheibe |
-
2004
- 2004-02-19 WO PCT/US2004/004888 patent/WO2005083775A1/en not_active Application Discontinuation
- 2004-02-19 JP JP2006554070A patent/JP5254549B2/ja not_active Expired - Fee Related
- 2004-02-19 EP EP04712829A patent/EP1716592A1/en not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11695043B2 (en) | 2018-08-30 | 2023-07-04 | Kabushiki Kaisha Toshiba | Semiconductor device and method for manufacturing the same |
Also Published As
Publication number | Publication date |
---|---|
JP2007523490A (ja) | 2007-08-16 |
EP1716592A1 (en) | 2006-11-02 |
WO2005083775A1 (en) | 2005-09-09 |
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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LAPS | Cancellation because of no payment of annual fees |