JP5151375B2 - 固体撮像装置およびその製造方法および撮像装置 - Google Patents
固体撮像装置およびその製造方法および撮像装置 Download PDFInfo
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- JP5151375B2 JP5151375B2 JP2007259501A JP2007259501A JP5151375B2 JP 5151375 B2 JP5151375 B2 JP 5151375B2 JP 2007259501 A JP2007259501 A JP 2007259501A JP 2007259501 A JP2007259501 A JP 2007259501A JP 5151375 B2 JP5151375 B2 JP 5151375B2
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- 238000003384 imaging method Methods 0.000 title claims description 97
- 238000004519 manufacturing process Methods 0.000 title claims description 38
- 230000002093 peripheral effect Effects 0.000 claims description 113
- 239000004065 semiconductor Substances 0.000 claims description 76
- 239000000758 substrate Substances 0.000 claims description 76
- 238000009825 accumulation Methods 0.000 claims description 54
- 239000012535 impurity Substances 0.000 claims description 38
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 13
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 13
- 229910052735 hafnium Inorganic materials 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 8
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 6
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(iv) oxide Chemical group O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 claims description 6
- PLDDOISOJJCEMH-UHFFFAOYSA-N neodymium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Nd+3].[Nd+3] PLDDOISOJJCEMH-UHFFFAOYSA-N 0.000 claims description 6
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 6
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 5
- UPEMFLOMQVFMCZ-UHFFFAOYSA-N [O--].[O--].[O--].[Pm+3].[Pm+3] Chemical compound [O--].[O--].[O--].[Pm+3].[Pm+3] UPEMFLOMQVFMCZ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims description 5
- 229910003440 dysprosium oxide Inorganic materials 0.000 claims description 5
- NLQFUUYNQFMIJW-UHFFFAOYSA-N dysprosium(iii) oxide Chemical compound O=[Dy]O[Dy]=O NLQFUUYNQFMIJW-UHFFFAOYSA-N 0.000 claims description 5
- ZXGIFJXRQHZCGJ-UHFFFAOYSA-N erbium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Er+3].[Er+3] ZXGIFJXRQHZCGJ-UHFFFAOYSA-N 0.000 claims description 5
- 229910001940 europium oxide Inorganic materials 0.000 claims description 5
- AEBZCFFCDTZXHP-UHFFFAOYSA-N europium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Eu+3].[Eu+3] AEBZCFFCDTZXHP-UHFFFAOYSA-N 0.000 claims description 5
- CMIHHWBVHJVIGI-UHFFFAOYSA-N gadolinium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Gd+3].[Gd+3] CMIHHWBVHJVIGI-UHFFFAOYSA-N 0.000 claims description 5
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims description 5
- -1 hafnium nitride Chemical class 0.000 claims description 5
- OWCYYNSBGXMRQN-UHFFFAOYSA-N holmium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ho+3].[Ho+3] OWCYYNSBGXMRQN-UHFFFAOYSA-N 0.000 claims description 5
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 claims description 5
- 229910003443 lutetium oxide Inorganic materials 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 5
- MPARYNQUYZOBJM-UHFFFAOYSA-N oxo(oxolutetiooxy)lutetium Chemical compound O=[Lu]O[Lu]=O MPARYNQUYZOBJM-UHFFFAOYSA-N 0.000 claims description 5
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims description 5
- MMKQUGHLEMYQSG-UHFFFAOYSA-N oxygen(2-);praseodymium(3+) Chemical compound [O-2].[O-2].[O-2].[Pr+3].[Pr+3] MMKQUGHLEMYQSG-UHFFFAOYSA-N 0.000 claims description 5
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 claims description 5
- UZLYXNNZYFBAQO-UHFFFAOYSA-N oxygen(2-);ytterbium(3+) Chemical compound [O-2].[O-2].[O-2].[Yb+3].[Yb+3] UZLYXNNZYFBAQO-UHFFFAOYSA-N 0.000 claims description 5
- FKTOIHSPIPYAPE-UHFFFAOYSA-N samarium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Sm+3].[Sm+3] FKTOIHSPIPYAPE-UHFFFAOYSA-N 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- SCRZPWWVSXWCMC-UHFFFAOYSA-N terbium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Tb+3].[Tb+3] SCRZPWWVSXWCMC-UHFFFAOYSA-N 0.000 claims description 5
- ZIKATJAYWZUJPY-UHFFFAOYSA-N thulium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Tm+3].[Tm+3] ZIKATJAYWZUJPY-UHFFFAOYSA-N 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 3
- GEIAQOFPUVMAGM-UHFFFAOYSA-N Oxozirconium Chemical compound [Zr]=O GEIAQOFPUVMAGM-UHFFFAOYSA-N 0.000 claims 1
- 229910003447 praseodymium oxide Inorganic materials 0.000 claims 1
- 239000010410 layer Substances 0.000 description 122
- 238000000034 method Methods 0.000 description 38
- 238000009792 diffusion process Methods 0.000 description 23
- 238000005468 ion implantation Methods 0.000 description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 16
- 238000005530 etching Methods 0.000 description 16
- 238000012546 transfer Methods 0.000 description 12
- 238000000231 atomic layer deposition Methods 0.000 description 10
- 230000006378 damage Effects 0.000 description 9
- 229910004298 SiO 2 Inorganic materials 0.000 description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 8
- 230000001771 impaired effect Effects 0.000 description 8
- 229910052757 nitrogen Inorganic materials 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 229910052710 silicon Inorganic materials 0.000 description 8
- 239000010703 silicon Substances 0.000 description 8
- 230000008901 benefit Effects 0.000 description 7
- 238000005229 chemical vapour deposition Methods 0.000 description 6
- 238000004544 sputter deposition Methods 0.000 description 6
- 238000001312 dry etching Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 238000000137 annealing Methods 0.000 description 4
- 230000005669 field effect Effects 0.000 description 4
- JYTUFVYWTIKZGR-UHFFFAOYSA-N holmium oxide Inorganic materials [O][Ho]O[Ho][O] JYTUFVYWTIKZGR-UHFFFAOYSA-N 0.000 description 4
- 239000011229 interlayer Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 238000001039 wet etching Methods 0.000 description 4
- 229910001928 zirconium oxide Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 229910018503 SF6 Inorganic materials 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- OKZIUSOJQLYFSE-UHFFFAOYSA-N difluoroboron Chemical compound F[B]F OKZIUSOJQLYFSE-UHFFFAOYSA-N 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 229910000449 hafnium oxide Inorganic materials 0.000 description 2
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 2
- 238000001459 lithography Methods 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 2
- 229960000909 sulfur hexafluoride Drugs 0.000 description 2
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035945 sensitivity 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
- 239000007787 solid Substances 0.000 description 1
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
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Description
を有する固体撮像装置であって、前記センサ部の光入射側に、前記センサ部の受光面にホール蓄積層を形成する負の固定電荷を有する膜が形成されていることを特徴とする。
路等の電位の変動が起こらない固体撮像装置が用いられることになる。
Claims (10)
- 半導体基板に形成された入射光量を電気信号に変換する複数のセンサ部と、
前記センサ部の側方の前記半導体基板に形成された周辺回路部と
を有する固体撮像装置であって、
前記センサ部に対する光入射側の前記半導体基板上における当該センサ部と前記周辺回路部との全面にわたって、当該センサ部の受光面にホール蓄積層を形成するための負の固定電荷を有する膜が形成され、
前記光入射側とは反対側の前記半導体基板上に、配線層が設けられ、
前記光入射側の前記半導体基板上における少なくとも前記周辺回路部上に、前記負の固定電荷を有する膜を介して遮光膜が形成され、
前記周辺回路部における前記配線層と前記負の固定電荷を有する膜との間の前記半導体基板中に、N型不純物領域が形成されている
ことを特徴とする固体撮像装置。 - 前記N型不純物領域は、前記センサ部に重なることなく設けられた
請求項1記載の固体撮像装置。 - 前記センサ部の側部には画素分離領域が設けられ、
前記N型不純物領域は、前記画素分離領域によって前記センサ部に対して分離した状態で設けられた
請求項1または2に記載の固体撮像装置。 - 前記負の固定電荷を有する膜は、
酸化ハフニウム(HfO 2 )膜、酸化アルミニウム(Al 2 O 3 )膜、酸化ジルコニウム(ZrO 2 )膜、酸化タンタル(Ta 2 O 5 )膜、酸化チタン(TiO 2 )膜、酸化ランタン(La 2 O 3 )膜、酸化プラセオジム(Pr 2 O 3 )膜、酸化セリウム(CeO 2 )膜、酸化ネオジム(Nd 2 O 3 )膜、酸化プロメチウム(Pm 2 O 3 )膜、酸化サマリウム(Sm 2 O 3 )膜、酸化ユウロピウム(Eu 2 O 3 )膜、酸化ガドリニウム(Gd 2 O 3 )膜、酸化テルビウム(Tb 2 O 3 )膜、酸化ジスプロシウム(Dy 2 O 3 )膜、酸化ホルミウム(Ho 2 O 3 )膜、酸化エルビウム(Er 2 O 3 )膜、酸化ツリウム(Tm 2 O 3 )膜、酸化イッテルビウム(Yb 2 O 3 )膜、酸化ルテチウム(Lu 2 O 3 )膜、酸化イットリウム(Y 2 O 3 )膜、窒化ハフニウム膜、窒化アルミニウム膜、酸窒化ハフニウム膜、または酸窒化アルミニウム膜である
請求項1〜3の何れかに記載の固体撮像装置。 - 前記半導体基板と前記負の固定電荷を有する膜との間に、当該半導体基板の界面順位を下げる膜が設けられた
請求項1〜4の何れかに記載の固体撮像装置。 - 前記界面順位を下げる膜は、酸化シリコン膜である
請求項5記載の固体撮像装置。 - 前記負の固定電荷を有する膜と前記遮光膜との間には、絶縁膜が設けられている
請求項1〜6の何れか1項に記載の固体撮像装置。 - 前記絶縁膜は、酸化シリコン膜である
請求項7記載の固体撮像装置。 - 半導体基板に形成された入射光量を電気信号に変換する複数のセンサ部と、
前記センサ部の側方の前記半導体基板に形成された周辺回路部とを有し、
前記センサ部に対する光入射側の前記半導体基板上における当該センサ部と前記周辺回路部との全面にわたって、当該センサ部の受光面にホール蓄積層を形成するための負の固定電荷を有する膜が形成され、
前記光入射側とは反対側の前記半導体基板上に、配線層が設けられ、
前記光入射側の前記半導体基板上における少なくとも前記周辺回路部上に、前記負の固定電荷を有する膜を介して遮光膜が形成される固体撮像装置の製造方法であって、
前記周辺回路部における前記配線層と前記負の固定電荷を有する膜との間の前記半導体基板中に、N型不純物領域を形成する
ことを特徴とする固体撮像装置の製造方法。 - 入射光を集光する集光光学部と、
前記集光光学部で集光した光を受光して光電変換する固体撮像装置と、
光電変換された信号を処理する信号処理部とを備え、
前記固体撮像装置は、
半導体基板に形成された入射光量を電気信号に変換する複数のセンサ部と、
前記センサ部の側方の前記半導体基板に形成された周辺回路部とを有し、
前記センサ部に対する光入射側の前記半導体基板上における当該センサ部と前記周辺回路部との全面にわたって、当該センサ部の受光面にホール蓄積層を形成するための負の固定電荷を有する膜が形成され、
前記光入射側とは反対側の前記半導体基板上に、配線層が設けられ、
前記光入射側の前記半導体基板上における少なくとも前記周辺回路部上に、前記負の固定電荷を有する膜を介して遮光膜が形成され、
前記周辺回路部における前記配線層と前記負の固定電荷を有する膜との間の前記半導体基板中に、N型不純物領域が形成されている
ことを特徴とする撮像装置。
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CN102176460A (zh) | 2011-09-07 |
TW200937629A (en) | 2009-09-01 |
US9509929B2 (en) | 2016-11-29 |
CN101404288B (zh) | 2011-07-06 |
US20090090988A1 (en) | 2009-04-09 |
US20140264706A1 (en) | 2014-09-18 |
CN102201424A (zh) | 2011-09-28 |
KR101530714B1 (ko) | 2015-06-22 |
TWI362109B (en) | 2012-04-11 |
CN101404288A (zh) | 2009-04-08 |
CN102201424B (zh) | 2014-01-08 |
US20150288897A1 (en) | 2015-10-08 |
CN102176460B (zh) | 2013-11-06 |
US20110164159A1 (en) | 2011-07-07 |
US9105547B2 (en) | 2015-08-11 |
US20130063636A1 (en) | 2013-03-14 |
JP2009088430A (ja) | 2009-04-23 |
US8765515B2 (en) | 2014-07-01 |
KR20090034763A (ko) | 2009-04-08 |
US8343793B2 (en) | 2013-01-01 |
US7939359B2 (en) | 2011-05-10 |
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