JP6367167B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP6367167B2 JP6367167B2 JP2015178803A JP2015178803A JP6367167B2 JP 6367167 B2 JP6367167 B2 JP 6367167B2 JP 2015178803 A JP2015178803 A JP 2015178803A JP 2015178803 A JP2015178803 A JP 2015178803A JP 6367167 B2 JP6367167 B2 JP 6367167B2
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- 239000004065 semiconductor Substances 0.000 title claims description 218
- 229910052751 metal Inorganic materials 0.000 claims description 99
- 239000002184 metal Substances 0.000 claims description 99
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 16
- 229910052710 silicon Inorganic materials 0.000 claims description 14
- 239000010703 silicon Substances 0.000 claims description 12
- 229910052732 germanium Inorganic materials 0.000 claims description 11
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 10
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 9
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 7
- 239000010936 titanium Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 229910052763 palladium Inorganic materials 0.000 claims description 4
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 70
- 238000004519 manufacturing process Methods 0.000 description 20
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 20
- 229910021332 silicide Inorganic materials 0.000 description 17
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 17
- 239000000758 substrate Substances 0.000 description 13
- 239000010408 film Substances 0.000 description 11
- 238000005468 ion implantation Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 9
- 238000002425 crystallisation Methods 0.000 description 7
- 230000008025 crystallization Effects 0.000 description 7
- 238000005280 amorphization Methods 0.000 description 6
- 229910021417 amorphous silicon Inorganic materials 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- 238000001020 plasma etching Methods 0.000 description 5
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 238000001953 recrystallisation Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000003071 parasitic effect Effects 0.000 description 3
- 238000004627 transmission electron microscopy Methods 0.000 description 3
- 229910005883 NiSi Inorganic materials 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910005542 GaSb Inorganic materials 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910000673 Indium arsenide Inorganic materials 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910004541 SiN Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000002003 electron diffraction Methods 0.000 description 1
- 238000005247 gettering Methods 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 238000002173 high-resolution transmission electron microscopy Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- WPYVAWXEWQSOGY-UHFFFAOYSA-N indium antimonide Chemical compound [Sb]#[In] WPYVAWXEWQSOGY-UHFFFAOYSA-N 0.000 description 1
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- 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
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78606—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device
- H01L29/78609—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device for preventing leakage current
-
- 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
- H01L29/6675—Amorphous silicon or polysilicon transistors
- H01L29/66757—Lateral single gate single channel transistors with non-inverted structure, i.e. the channel layer is formed before the gate
-
- 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
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78651—Silicon transistors
- H01L29/7866—Non-monocrystalline silicon transistors
-
- 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
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78696—Thin film transistors, i.e. transistors with a channel being at least partly a thin film characterised by the structure of the channel, e.g. multichannel, transverse or longitudinal shape, length or width, doping structure, or the overlap or alignment between the channel and the gate, the source or the drain, or the contacting structure of the channel
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Electrodes Of Semiconductors (AREA)
- Thin Film Transistor (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Semiconductor Memories (AREA)
- Recrystallisation Techniques (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
Description
なお、図面は模式的または概念的なものであり、各部分の厚みと幅との関係、部分間の大きさの比率などは、必ずしも現実のものと同一とは限らない。また、同じ部分を表す場合であっても、図面により互いの寸法や比率が異なって表される場合もある。
なお、本願明細書と各図において、既出の図に関して前述したものと同様の要素には同一の符号を付して詳細な説明は適宜省略する。
図1(a)及び図1(b)は、第1の実施形態に係る半導体装置を例示する模式図である。
図1(a)は、半導体装置を例示する模式的上面図である。
図1(b)は、半導体装置を例示する模式的断面図である。
図2(a)〜図10(a)は、第1の実施形態に係る半導体装置の製造方法を例示する工程順模式的断面図である。
図2(b)〜図10(b)は、第1の実施形態に係る半導体装置の製造方法を例示する工程順模式的上面図である。
図12(a)〜図12(c)は、チャネル層下部の非晶質化方法を例示する模式図である。
図13(a)、図13(b)、図14(a)、図14(b)、図15(a)、図15(b)、図16(a)、図16(b)、図17(a)及び図17(b)は、第2の実施形態に係る半導体装置の製造方法を例示する工程順模式図である。
図13(a)〜図17(a)は、半導体装置の製造方法を例示する工程順模式的断面図である。
図13(b)〜図17(b)は、半導体装置の製造方法を例示する工程順模式的上面図である。
Claims (9)
- 第1半導体領域と、
前記第1半導体領域と第1方向において離間して設けられた第2半導体領域と、
前記第1半導体領域と前記第2半導体領域との間に設けられた第3半導体領域と、
前記第1半導体領域と電気的に接続された第1導電部と、
前記第2半導体領域と電気的に接続された第2導電部と、
前記第1方向と交差する第2方向において、前記第3半導体領域と離間する第3導電部と、
を備え、
前記第3半導体領域は、
第1金属を含む非晶質の第1部分領域と、
前記第2方向において前記第1部分領域と積層された多結晶の第2部分領域と、
を含み、
前記第2部分領域における前記第1金属の第1濃度は、前記第1部分領域における前記第1金属の第2濃度よりも低い、または、
前記第2部分領域は、前記第1金属を含まず、
前記第1半導体領域は、シリコン及びゲルマニウムの少なくともいずれかの多結晶を含み、
前記第2半導体領域は、シリコン及びゲルマニウムの少なくともいずれかの多結晶を含み、
前記第3半導体領域は、シリコン及びゲルマニウムの少なくともいずれかを含む、半導体装置。 - 前記第3半導体領域は、前記第1部分領域と前記第2部分領域との間に設けられた第3部分領域をさらに含み、
前記第3部分領域における前記第1金属の第3濃度は、前記第1濃度と前記第2濃度との間である請求項1記載の半導体装置。 - 前記第2部分領域は、前記第1部分領域と前記第3導電部との間に設けられている請求項1または2に記載の半導体装置。
- 半導体層と、
第1及び第2部分を有する第1絶縁層と、
をさらに備え、
前記第2方向において前記第3導電部と前記半導体層との間に前記第3半導体領域が配置され、
前記第1絶縁層の前記第1部分は、前記半導体層の一部と前記第1半導体領域との間に設けられ、
前記第1絶縁層の前記第2部分は、前記半導体層の一部と前記第3半導体領域との間に設けられている請求項1〜3のいずれか1つに記載の半導体装置。 - 前記第2導電部は、前記第2半導体領域と前記半導体層との間に設けられ、前記半導体層と電気的に接続されている請求項4記載の半導体装置。
- 前記第1半導体領域は、前記第1導電部と前記第1絶縁層との間に設けられている請求項4または5に記載の半導体装置。
- 金属部と、
配線部と、
をさらに備え、
前記金属部は、前記第1金属を含み、前記第2方向において前記第2半導体領域の少なくとも一部と積層され、
前記配線部の少なくとも一部は、前記金属部と前記半導体層との間に設けられると共に、前記金属部に電気的に接続され、
前記第1絶縁層は、第3部分を有し、
前記第3部分は、前記半導体層と前記配線部との間に設けられている請求項4〜6のいずれか1つに記載の半導体装置。 - 金属部と、
配線部と、
をさらに備え、
前記金属部は、前記第1金属を含み、前記第2方向において前記第2半導体領域の少なくとも一部と積層され、
前記配線部は、前記半導体層と電気的に接続され、前記金属部と電気的に接続される請求項4〜6のいずれか1つに半導体装置。 - 前記第1金属は、タングステン、コバルト、チタン、ニッケル、パラジウム、白金、アルミニウム及び銅からなる群から選択される少なくともいずれかを含む請求項1〜8のいずれか1つに記載の半導体装置。
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JP2015178803A JP6367167B2 (ja) | 2015-09-10 | 2015-09-10 | 半導体装置 |
US15/260,981 US9985136B2 (en) | 2015-09-10 | 2016-09-09 | Semiconductor device |
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JP2015178803A JP6367167B2 (ja) | 2015-09-10 | 2015-09-10 | 半導体装置 |
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JP2017054981A JP2017054981A (ja) | 2017-03-16 |
JP6367167B2 true JP6367167B2 (ja) | 2018-08-01 |
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US10164182B1 (en) | 2017-06-26 | 2018-12-25 | Taiwan Semiconductor Manufacturing Co., Ltd. | Switching layer scheme to enhance RRAM performance |
JP2019054220A (ja) | 2017-09-19 | 2019-04-04 | 東芝メモリ株式会社 | 半導体記憶装置 |
WO2021189445A1 (zh) * | 2020-03-27 | 2021-09-30 | 京东方科技集团股份有限公司 | 薄膜晶体管及其制备方法、阵列基板、显示装置 |
TWI736300B (zh) * | 2020-06-01 | 2021-08-11 | 國立陽明交通大學 | 射頻積體電路及其製造方法 |
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US8786040B2 (en) * | 2012-12-21 | 2014-07-22 | Intel Corporation | Perpendicular spin transfer torque memory (STTM) device having offset cells and method to form same |
US8981374B2 (en) * | 2013-01-30 | 2015-03-17 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
US9231111B2 (en) * | 2013-02-13 | 2016-01-05 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
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