JP4950036B2 - 半導体装置の製造方法 - Google Patents
半導体装置の製造方法 Download PDFInfo
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- JP4950036B2 JP4950036B2 JP2007514421A JP2007514421A JP4950036B2 JP 4950036 B2 JP4950036 B2 JP 4950036B2 JP 2007514421 A JP2007514421 A JP 2007514421A JP 2007514421 A JP2007514421 A JP 2007514421A JP 4950036 B2 JP4950036 B2 JP 4950036B2
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- 239000004065 semiconductor Substances 0.000 title claims description 70
- 238000004519 manufacturing process Methods 0.000 title claims description 37
- 238000009792 diffusion process Methods 0.000 claims description 222
- 238000002513 implantation Methods 0.000 claims description 45
- 239000000758 substrate Substances 0.000 claims description 40
- 229920002120 photoresistant polymer Polymers 0.000 claims description 34
- 238000005468 ion implantation Methods 0.000 claims description 30
- 239000012535 impurity Substances 0.000 claims description 15
- 239000010410 layer Substances 0.000 description 93
- 230000015654 memory Effects 0.000 description 35
- 238000002347 injection Methods 0.000 description 27
- 239000007924 injection Substances 0.000 description 27
- 230000015556 catabolic process Effects 0.000 description 21
- 238000000034 method Methods 0.000 description 18
- 229910052814 silicon oxide Inorganic materials 0.000 description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 15
- 230000005684 electric field Effects 0.000 description 13
- 229910052785 arsenic Inorganic materials 0.000 description 10
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 10
- 238000003860 storage Methods 0.000 description 10
- 150000002500 ions Chemical class 0.000 description 9
- 239000011229 interlayer Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000007687 exposure technique Methods 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 7
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 5
- 229910052796 boron Inorganic materials 0.000 description 5
- 238000005229 chemical vapour deposition Methods 0.000 description 5
- 229910052581 Si3N4 Inorganic materials 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- -1 Metal Oxide Nitride Chemical class 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B43/00—EEPROM devices comprising charge-trapping gate insulators
- H10B43/30—EEPROM devices comprising charge-trapping gate insulators characterised by the memory core region
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B69/00—Erasable-and-programmable ROM [EPROM] devices not provided for in groups H10B41/00 - H10B63/00, e.g. ultraviolet erasable-and-programmable ROM [UVEPROM] devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S257/00—Active solid-state devices, e.g. transistors, solid-state diodes
- Y10S257/903—FET configuration adapted for use as static memory cell
Landscapes
- Semiconductor Memories (AREA)
- Non-Volatile Memory (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Description
Claims (5)
- 半導体基板上にマスク層を形成する工程と、
前記マスク層をマスクに前記半導体基板にイオン注入することにより、前記半導体基板内に、ソース領域およびドレイン領域を兼ねるビットラインに含まれる高濃度拡散領域を形成する工程と、
前記高濃度拡散領域の下に、前記ビットラインに含まれ、前記高濃度拡散領域より不純物濃度の低い第1の低濃度拡散領域を形成する工程とを備え、
前記マスク層はイオン注入により前記マスク層の有する開口が拡がるマスク層であり、
前記高濃度拡散領域を形成する工程は、前記第1の低濃度拡散領域を形成する工程の後に行なわれる、半導体装置の製造方法。 - 前記マスク層はフォトレジストである請求項1記載の半導体装置の製造方法。
- 前記マスク層をマスクにイオン注入し、前記高濃度拡散領域の両側に、前記ビットラインに含まれるポケット注入領域を形成する工程を備える、請求項1または2に記載の半導体装置の製造方法。
- 前記高濃度拡散領域の両側に、前記高濃度拡散領域より不純物濃度が低く、前記ビットラインに含まれる第2の低濃度拡散領域を形成する工程を備える、請求項1〜3のいずれか1項に記載の半導体装置の製造方法。
- 前記半導体基板上にONO膜を形成する工程と、
前記ONO膜上にゲート電極を兼ねるワードラインを形成する工程と、を具備する請求項1〜4のいずれか1項に記載の半導体装置の製造方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2005/008057 WO2006117852A1 (ja) | 2005-04-27 | 2005-04-27 | 半導体装置およびその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2006117852A1 JPWO2006117852A1 (ja) | 2008-12-18 |
JP4950036B2 true JP4950036B2 (ja) | 2012-06-13 |
Family
ID=37307659
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007514421A Active JP4950036B2 (ja) | 2005-04-27 | 2005-04-27 | 半導体装置の製造方法 |
Country Status (4)
Country | Link |
---|---|
US (3) | US7825457B2 (ja) |
JP (1) | JP4950036B2 (ja) |
TW (1) | TWI383499B (ja) |
WO (1) | WO2006117852A1 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07321303A (ja) * | 1994-05-19 | 1995-12-08 | Kobe Steel Ltd | Mos型半導体装置及びその製造方法 |
JPH11345888A (ja) * | 1998-04-16 | 1999-12-14 | Matsushita Electric Ind Co Ltd | 不揮発性半導体記憶装置およびその製造方法 |
JP2000106436A (ja) * | 1998-07-28 | 2000-04-11 | Matsushita Electronics Industry Corp | 半導体装置の製造方法 |
JP2001094076A (ja) * | 1999-09-20 | 2001-04-06 | Fujitsu Ltd | 半導体集積回路装置とその製造方法 |
WO2003071606A1 (fr) * | 2002-02-21 | 2003-08-28 | Matsushita Electric Industrial Co., Ltd. | Memoire a semi-conducteurs et son procede de fabrication |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5032881A (en) * | 1990-06-29 | 1991-07-16 | National Semiconductor Corporation | Asymmetric virtual ground EPROM cell and fabrication method |
US5480819A (en) * | 1994-07-15 | 1996-01-02 | United Microelectronics Corporation | Method of manufacture of high coupling ratio flash memory cell |
US6768165B1 (en) * | 1997-08-01 | 2004-07-27 | Saifun Semiconductors Ltd. | Two bit non-volatile electrically erasable and programmable semiconductor memory cell utilizing asymmetrical charge trapping |
US6180472B1 (en) * | 1998-07-28 | 2001-01-30 | Matsushita Electrons Corporation | Method for fabricating semiconductor device |
US6133098A (en) * | 1999-05-17 | 2000-10-17 | Halo Lsi Design & Device Technology, Inc. | Process for making and programming and operating a dual-bit multi-level ballistic flash memory |
US6248633B1 (en) * | 1999-10-25 | 2001-06-19 | Halo Lsi Design & Device Technology, Inc. | Process for making and programming and operating a dual-bit multi-level ballistic MONOS memory |
US6767778B2 (en) * | 2002-08-29 | 2004-07-27 | Micron Technology, Inc. | Low dose super deep source/drain implant |
JP2004111478A (ja) * | 2002-09-13 | 2004-04-08 | Sharp Corp | 不揮発性半導体記憶装置およびその製造方法 |
US6744664B1 (en) * | 2003-01-30 | 2004-06-01 | Silicon-Based Technology Corp. | Dual-bit floating-gate flash cell structure and its contactless flash memory arrays |
JP4808082B2 (ja) | 2006-06-01 | 2011-11-02 | 株式会社ニュープロド | 炭素繊維構造体、炭素繊維強化プラスチック成形品及びそれらの製造方法 |
-
2005
- 2005-04-27 WO PCT/JP2005/008057 patent/WO2006117852A1/ja active Application Filing
- 2005-04-27 JP JP2007514421A patent/JP4950036B2/ja active Active
-
2006
- 2006-04-27 TW TW095115026A patent/TWI383499B/zh active
- 2006-04-27 US US11/414,646 patent/US7825457B2/en active Active
-
2010
- 2010-10-06 US US12/898,968 patent/US8097518B2/en not_active Expired - Fee Related
-
2011
- 2011-12-12 US US13/323,579 patent/US20120083086A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07321303A (ja) * | 1994-05-19 | 1995-12-08 | Kobe Steel Ltd | Mos型半導体装置及びその製造方法 |
JPH11345888A (ja) * | 1998-04-16 | 1999-12-14 | Matsushita Electric Ind Co Ltd | 不揮発性半導体記憶装置およびその製造方法 |
JP2000106436A (ja) * | 1998-07-28 | 2000-04-11 | Matsushita Electronics Industry Corp | 半導体装置の製造方法 |
JP2001094076A (ja) * | 1999-09-20 | 2001-04-06 | Fujitsu Ltd | 半導体集積回路装置とその製造方法 |
WO2003071606A1 (fr) * | 2002-02-21 | 2003-08-28 | Matsushita Electric Industrial Co., Ltd. | Memoire a semi-conducteurs et son procede de fabrication |
Also Published As
Publication number | Publication date |
---|---|
US20110020996A1 (en) | 2011-01-27 |
US8097518B2 (en) | 2012-01-17 |
US20070052017A1 (en) | 2007-03-08 |
US7825457B2 (en) | 2010-11-02 |
JPWO2006117852A1 (ja) | 2008-12-18 |
WO2006117852A1 (ja) | 2006-11-09 |
TW200727480A (en) | 2007-07-16 |
US20120083086A1 (en) | 2012-04-05 |
TWI383499B (zh) | 2013-01-21 |
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