KR20030004111A - 반도체장치 및 그 제작방법 - Google Patents
반도체장치 및 그 제작방법 Download PDFInfo
- Publication number
- KR20030004111A KR20030004111A KR1020020037876A KR20020037876A KR20030004111A KR 20030004111 A KR20030004111 A KR 20030004111A KR 1020020037876 A KR1020020037876 A KR 1020020037876A KR 20020037876 A KR20020037876 A KR 20020037876A KR 20030004111 A KR20030004111 A KR 20030004111A
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- South Korea
- Prior art keywords
- film
- semiconductor
- semiconductor film
- silicon
- laser light
- Prior art date
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 214
- 238000004519 manufacturing process Methods 0.000 title claims description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000013078 crystal Substances 0.000 claims abstract description 56
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 56
- 239000010703 silicon Substances 0.000 claims abstract description 56
- 229910052732 germanium Inorganic materials 0.000 claims abstract description 36
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims abstract description 36
- 230000001678 irradiating effect Effects 0.000 claims abstract description 16
- 230000003746 surface roughness Effects 0.000 claims abstract description 7
- 239000010408 film Substances 0.000 claims description 418
- 238000000034 method Methods 0.000 claims description 87
- 229910052751 metal Inorganic materials 0.000 claims description 38
- 239000002184 metal Substances 0.000 claims description 37
- 238000002425 crystallisation Methods 0.000 claims description 35
- 230000008025 crystallization Effects 0.000 claims description 33
- 238000010438 heat treatment Methods 0.000 claims description 30
- 239000007789 gas Substances 0.000 claims description 26
- 229910052759 nickel Inorganic materials 0.000 claims description 23
- 239000012298 atmosphere Substances 0.000 claims description 19
- 239000010409 thin film Substances 0.000 claims description 13
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 12
- 230000001737 promoting effect Effects 0.000 claims description 7
- 239000011261 inert gas Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 229910052741 iridium Inorganic materials 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 229910052762 osmium 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
- 229910052703 rhodium Inorganic materials 0.000 claims description 4
- 229910052707 ruthenium Inorganic materials 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
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- 239000010410 layer Substances 0.000 description 120
- 239000000758 substrate Substances 0.000 description 84
- 239000012535 impurity Substances 0.000 description 63
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 39
- 238000005530 etching Methods 0.000 description 38
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- 238000005401 electroluminescence Methods 0.000 description 19
- 230000004888 barrier function Effects 0.000 description 18
- 229910052760 oxygen Inorganic materials 0.000 description 17
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 16
- 239000003566 sealing material Substances 0.000 description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 14
- 239000011229 interlayer Substances 0.000 description 14
- 239000001301 oxygen Substances 0.000 description 14
- 230000015572 biosynthetic process Effects 0.000 description 13
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 12
- 239000002585 base Substances 0.000 description 12
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 12
- 229910021417 amorphous silicon Inorganic materials 0.000 description 11
- 229910052581 Si3N4 Inorganic materials 0.000 description 10
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- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 9
- 239000011574 phosphorus Substances 0.000 description 9
- 239000012495 reaction gas Substances 0.000 description 9
- 229910052782 aluminium Inorganic materials 0.000 description 8
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- 150000002500 ions Chemical class 0.000 description 8
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- 150000001875 compounds Chemical class 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 229910052721 tungsten Inorganic materials 0.000 description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 5
- 230000004913 activation Effects 0.000 description 5
- 229910001413 alkali metal ion Inorganic materials 0.000 description 5
- 229910001420 alkaline earth metal ion Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052731 fluorine Inorganic materials 0.000 description 5
- 239000011737 fluorine Substances 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 238000005224 laser annealing Methods 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 5
- 239000010936 titanium Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- -1 argon (Ar) Chemical compound 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 239000010419 fine particle Substances 0.000 description 4
- 229910052736 halogen Inorganic materials 0.000 description 4
- 150000002367 halogens Chemical class 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- 239000010937 tungsten Substances 0.000 description 4
- 229910052724 xenon Inorganic materials 0.000 description 4
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 238000006356 dehydrogenation reaction Methods 0.000 description 3
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- 239000012528 membrane Substances 0.000 description 3
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- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- MQRWBMAEBQOWAF-UHFFFAOYSA-N acetic acid;nickel Chemical compound [Ni].CC(O)=O.CC(O)=O MQRWBMAEBQOWAF-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 2
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 2
- LJCFOYOSGPHIOO-UHFFFAOYSA-N antimony pentoxide Chemical compound O=[Sb](=O)O[Sb](=O)=O LJCFOYOSGPHIOO-UHFFFAOYSA-N 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
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- 238000005229 chemical vapour deposition Methods 0.000 description 2
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- 230000000694 effects Effects 0.000 description 2
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- 238000009616 inductively coupled plasma Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
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- 229910010272 inorganic material Inorganic materials 0.000 description 2
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- 229910052743 krypton Inorganic materials 0.000 description 2
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
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- 239000002245 particle Substances 0.000 description 2
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- 238000004151 rapid thermal annealing Methods 0.000 description 2
- 229910021332 silicide Inorganic materials 0.000 description 2
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
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- 239000004809 Teflon Substances 0.000 description 1
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
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- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- ZOCHARZZJNPSEU-UHFFFAOYSA-N diboron Chemical compound B#B ZOCHARZZJNPSEU-UHFFFAOYSA-N 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 238000001887 electron backscatter diffraction Methods 0.000 description 1
- 238000002524 electron diffraction data Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000005499 laser crystallization Methods 0.000 description 1
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- AIYYMMQIMJOTBM-UHFFFAOYSA-L nickel(ii) acetate Chemical compound [Ni+2].CC([O-])=O.CC([O-])=O AIYYMMQIMJOTBM-UHFFFAOYSA-L 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
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- 230000010287 polarization Effects 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000001004 secondary ion mass spectrometry Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 1
- 238000000624 total reflection X-ray fluorescence spectroscopy Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000000038 ultrahigh vacuum chemical vapour deposition Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1259—Multistep manufacturing methods
- H01L27/127—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement
- H01L27/1274—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement using crystallisation of amorphous semiconductor or recrystallisation of crystalline semiconductor
- H01L27/1277—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement using crystallisation of amorphous semiconductor or recrystallisation of crystalline semiconductor using a crystallisation promoting species, e.g. local introduction of Ni catalyst
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1259—Multistep manufacturing methods
- H01L27/1296—Multistep manufacturing methods adapted to increase the uniformity of device parameters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
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- 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
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- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
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- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
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- H01L29/78684—Thin film transistors, i.e. transistors with a channel being at least partly a thin film having a semiconductor body comprising semiconductor materials of Group IV not being silicon, or alloys including an element of the group IV, e.g. Ge, SiN alloys, SiC alloys
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
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- 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
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- H01L29/78621—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 characterised by the drain or the source properties, e.g. the doping structure, the composition, the sectional shape or the contact structure with LDD structure or an extension or an offset region or characterised by the doping profile
Abstract
Description
Claims (22)
- 절연막 상에 반도체층을 포함하는 박막 트랜지스터를 구비한 반도체장치에 있어서,실리콘을 주성분으로 포함하고 게르마늄을 함유하는 반도체막으로 이루어진 반도체층이 활성층으로 사용되고,이 활성층이 그것의 주표면의 표면 거칠기를 나타내는 70nm 미만의 P-V 값을 갖는 것을 특징으로 하는 반도체장치.
- 제 1항에 있어서,상기 반도체막은, 게르마늄을 0.1 내지 10 atoms%의 농도로 포함하고, 결정 구조를 갖는 실리콘막으로서의 역할을 하는 것을 특징으로 하는 반도체장치.
- 제 1항에 있어서,상기 반도체막은, 금속 원소를 1×1016/㎤ 내지 5×1018/㎤의 농도로 포함하고, 결정 구조를 갖는 실리콘막으로서의 역할을 하는 것을 특징으로 하는 반도체장치.
- 제 3항에 있어서,상기 금속 원소는, 실리콘의 결정화를 촉진하는 금속 원소이며, Fe, Ni, Co, Ru, Rh, Pd, Os, Ir, Pt, Cu 및 Au로 구성된 그룹으로부터 선택된 적어도 1종의 원소인 것을 특징으로 하는 반도체장치.
- 제 1항에 있어서,상기 반도체장치는, 비디오 카메라, 디지털 카메라, 카 네비게이션 시스템, 퍼스널 컴퓨터, 휴대형 정보단말 및 전자오락기기로 구성된 그룹으로부터 선택된 것을 특징으로 하는 반도체장치.
- 절연막 상에 반도체층을 포함하는 박막 트랜지스터를 구비한 반도체장치에 있어서,실리콘을 주성분으로 포함하고 게르마늄을 함유하는 반도체막으로 이루어진 반도체층이 활성층으로 사용되고,이 활성층이 그것의 주표면의 표면 거칠기를 나타내는 10nm 미만의 제곱평균 거칠기를 갖는 것을 특징으로 하는 반도체장치.
- 제 6항에 있어서,상기 반도체막은, 게르마늄을 0.1 내지 10 atoms%의 농도로 포함하고, 결정 구조를 갖는 실리콘막으로서의 역할을 하는 것을 특징으로 하는 반도체장치.
- 제 6항에 있어서,상기 반도체막은, 금속 원소를 1×1016/㎤ 내지 5×1018/㎤의 농도로 포함하고, 결정 구조를 갖는 실리콘막으로서의 역할을 하는 것을 특징으로 하는 반도체장치.
- 제 8항에 있어서,상기 금속 원소는, 실리콘의 결정화를 촉진하는 금속 원소이며, Fe, Ni, Co, Ru, Rh, Pd, Os, Ir, Pt, Cu 및 Au로 구성된 그룹으로부터 선택된 적어도 1종의 원소인 것을 특징으로 하는 반도체장치.
- 제 6항에 있어서,상기 반도체장치는, 비디오 카메라, 디지털 카메라, 카 네비게이션 시스템,퍼스널 컴퓨터, 휴대형 정보단말 및 전자오락기기로 구성된 그룹으로부터 선택된 것을 특징으로 하는 반도체장치.
- 절연막 상에 반도체층을 포함하는 박막 트랜지스터를 구비한 반도체장치에 있어서,실리콘을 주성분으로 포함하고 게르마늄을 함유하는 반도체막으로 이루어진 반도체층이 활성층으로 사용되고,이 활성층이 그것의 주표면의 표면 거칠기를 각각 나타내는 10nm 미만의 제곱평균 거칠기와 70nm 미만의 P-V 값을 갖는 것을 특징으로 하는 반도체장치.
- 제 11항에 있어서,상기 반도체막은, 게르마늄을 0.1 내지 10 atoms%의 농도로 포함하고, 결정 구조를 갖는 실리콘막으로서의 역할을 하는 것을 특징으로 하는 반도체장치.
- 제 11항에 있어서,상기 반도체막은, 금속 원소를 1×1016/㎤ 내지 5×1018/㎤의 농도로 포함하고, 결정 구조를 갖는 실리콘막으로서의 역할을 하는 것을 특징으로 하는 반도체장치.
- 제 13항에 있어서,상기 금속 원소는, 실리콘의 결정화를 촉진하는 금속 원소이며, Fe, Ni, Co, Ru, Rh, Pd, Os, Ir, Pt, Cu 및 Au로 구성된 그룹으로부터 선택된 적어도 1종의 원소인 것을 특징으로 하는 반도체장치.
- 제 11항에 있어서,상기 반도체장치는, 비디오 카메라, 디지털 카메라, 카 네비게이션 시스템, 퍼스널 컴퓨터, 휴대형 정보단말 및 전자오락기기로 구성된 그룹으로부터 선택된 것을 특징으로 하는 반도체장치.
- 절연막 상에, 게르마늄을 0.1 내지 10 atoms%의 농도로 포함하고 비정질 구조를 갖는 반도체막을 형성하는 공정과,상기 비정질 구조를 갖는 반도체막을 가열처리한 후, 그것을 제 1 레이저 광으로 조사하여 결정화를 하여, 결정 구조를 갖는 제 1 반도체막과 이 막 위에 산화막을 형성하는 공정과,상기 산화막을 제거하는 공정과,불활성 가스 분위기 또는 진공중에서 제 2 레이저 광을 조사하여 상기 반도체막의 표면을 평탄화하는 공정을 포함하는 것을 특징으로 하는 반도체장치의 제작방법.
- 제 16항에 있어서,제 2 레이저 광의 에너지 밀도는 제 1 레이저 광의 에너지 밀도보다 높은 것을 특징으로 하는 반도체장치의 제작방법.
- 제 16항에 있어서,열처리를 수행하기 전에, 결정화를 촉진시키는 금속 원소가 첨가되는 것을 특징으로 하는 반도체장치의 제작방법.
- 제 16항에 있어서,상기 반도체장치는, 비디오 카메라, 디지털 카메라, 카 네비게이션 시스템, 퍼스널 컴퓨터, 휴대형 정보단말 및 전자오락기기로 구성된 그룹으로부터 선택된 것을 특징으로 하는 반도체장치의 제작방법.
- 절연막 상에, 게르마늄을 0.1 내지 10 atoms%의 농도로 포함하고 비정질 구조를 갖는 제 1 반도체막을 형성하는 공정과,상기 비정질 구조를 갖는 제 1 반도체막에 결정화를 촉진시키는 금속 원소를 첨가하는 공정과,상기 제 1 반도체막에 가열처리를 수행한 후, 그것을 제 1 레이저 광으로 조사하여, 결정 구조를 갖는 제 1 반도체막과 이 막 위에 산화막을 형성하는 공정과,상기 산화막을 제거하는 공정과,불활성 가스 분위기 또는 진공중에서 제 2 레이저 광을 조사하여 상기 제 1 반도체막의 표면을 평탄화하는 공정과,상기 결정 구조를 갖는 반도체막의 표면을 오존을 포함하는 용액으로 산화하는 공정과,상기 산화막 위에 희가스 원소를 포함하는 제 2 반도체막을 형성하는 공정과,상기 제 2 반도체막이 상기 금속 원소를 게터링하도록 하여 결정 구조를 갖는 제 1 반도체막 내부의 상기 금속 원소를 제거 또는 저감하는 공정과,상기 제 2 반도체막을 제거하는 공정을 포함하는 것을 특징으로 하는 반도체장치의 제작방법.
- 제 20항에 있어서,산화공정에서의 레이저 광의 에너지 밀도는 제 1 조사공정에서의 레이저 광의 에너지 밀도보다 높은 것을 특징으로 하는 반도체장치의 제작방법.
- 제 20항에 있어서,상기 반도체장치는, 비디오 카메라, 디지털 카메라, 카 네비게이션 시스템, 퍼스널 컴퓨터, 휴대형 정보단말 및 전자오락기기로 구성된 그룹으로부터 선택된 것을 특징으로 하는 반도체장치의 제작방법.
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- 2002-07-02 US US10/187,414 patent/US20030032221A1/en not_active Abandoned
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- 2002-07-02 CN CNB2006101516925A patent/CN100435280C/zh not_active Expired - Fee Related
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Cited By (2)
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KR100787464B1 (ko) * | 2007-01-08 | 2007-12-26 | 삼성에스디아이 주식회사 | 박막 트랜지스터, 및 그 제조방법 |
US8698215B2 (en) | 2007-01-08 | 2014-04-15 | Samsung Display Co., Ltd. | Transparent thin film transistor, and method of manufacturing the same |
Also Published As
Publication number | Publication date |
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CN1400628A (zh) | 2003-03-05 |
JP4209638B2 (ja) | 2009-01-14 |
CN100435280C (zh) | 2008-11-19 |
TW550648B (en) | 2003-09-01 |
JP2003086510A (ja) | 2003-03-20 |
US20070196960A1 (en) | 2007-08-23 |
US7998845B2 (en) | 2011-08-16 |
CN1913106A (zh) | 2007-02-14 |
KR100889508B1 (ko) | 2009-03-19 |
US20030032221A1 (en) | 2003-02-13 |
CN1282989C (zh) | 2006-11-01 |
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