KR0144649B1 - 반도체 장치에 있어서 실리사이드막의 선택 형성법 - Google Patents
반도체 장치에 있어서 실리사이드막의 선택 형성법Info
- Publication number
- KR0144649B1 KR0144649B1 KR1019940032695A KR19940032695A KR0144649B1 KR 0144649 B1 KR0144649 B1 KR 0144649B1 KR 1019940032695 A KR1019940032695 A KR 1019940032695A KR 19940032695 A KR19940032695 A KR 19940032695A KR 0144649 B1 KR0144649 B1 KR 0144649B1
- Authority
- KR
- South Korea
- Prior art keywords
- film
- silicon substrate
- metal
- titanium
- silicide
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 39
- 229910021332 silicide Inorganic materials 0.000 title claims abstract description 30
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 230000015572 biosynthetic process Effects 0.000 title description 2
- 239000004065 semiconductor Substances 0.000 title description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 49
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 49
- 239000010703 silicon Substances 0.000 claims abstract description 49
- 239000000758 substrate Substances 0.000 claims abstract description 49
- 229910052751 metal Inorganic materials 0.000 claims abstract description 34
- 239000002184 metal Substances 0.000 claims abstract description 34
- 238000009792 diffusion process Methods 0.000 claims abstract description 30
- 238000004544 sputter deposition Methods 0.000 claims abstract description 24
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 40
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 28
- 229920005591 polysilicon Polymers 0.000 claims description 28
- 239000010936 titanium Substances 0.000 claims description 24
- 229910052719 titanium Inorganic materials 0.000 claims description 24
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 7
- 238000001039 wet etching Methods 0.000 claims description 7
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000010941 cobalt Substances 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000002844 melting Methods 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
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims 2
- 229910052750 molybdenum Inorganic materials 0.000 claims 2
- 239000011733 molybdenum Substances 0.000 claims 2
- 239000010408 film Substances 0.000 description 125
- 229910021341 titanium silicide Inorganic materials 0.000 description 57
- 239000010410 layer Substances 0.000 description 26
- 239000010409 thin film Substances 0.000 description 19
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 12
- 229910021342 tungsten silicide Inorganic materials 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000000151 deposition Methods 0.000 description 10
- 230000005669 field effect Effects 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 8
- 239000012212 insulator Substances 0.000 description 6
- 239000011229 interlayer Substances 0.000 description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 5
- 229910052785 arsenic Inorganic materials 0.000 description 5
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 5
- 229910052581 Si3N4 Inorganic materials 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 230000006866 deterioration Effects 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
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 229960002050 hydrofluoric acid Drugs 0.000 description 3
- 238000005468 ion implantation Methods 0.000 description 3
- 239000012299 nitrogen atmosphere Substances 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- YXTPWUNVHCYOSP-UHFFFAOYSA-N bis($l^{2}-silanylidene)molybdenum Chemical compound [Si]=[Mo]=[Si] YXTPWUNVHCYOSP-UHFFFAOYSA-N 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000002784 hot electron Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910021344 molybdenum silicide Inorganic materials 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Classifications
-
- 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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/285—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
- H01L21/28506—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers
- H01L21/28512—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table
- H01L21/28518—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table the conductive layers comprising silicides
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/0212—Manufacture or treatment of FETs having insulated gates [IGFET] using self-aligned silicidation
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/0223—Manufacture or treatment of FETs having insulated gates [IGFET] having source and drain regions or source and drain extensions self-aligned to sides of the gate
- H10D30/0227—Manufacture or treatment of FETs having insulated gates [IGFET] having source and drain regions or source and drain extensions self-aligned to sides of the gate having both lightly-doped source and drain extensions and source and drain regions self-aligned to the sides of the gate, e.g. lightly-doped drain [LDD] MOSFET or double-diffused drain [DDD] MOSFET
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Electrodes Of Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (12)
- 수직벽을 갖는 실리콘 기판상에 상기 수직벽을 적어도 제외환 상기 실리콘 기판의 소정영역에 실리사이드막을 형성하는 방법으로서, 상기 실리콘 기판에 상기 실리콘 기판 표면상에 메쉬 마스크를 이용하여 금속원자의 콜리메이트 스퍼터링을 행하여, 상기 수직벽을 제외한 상기 실리콘 기판의 전표면에 금속막을 형성하는 단계와, 형성된 금속막을 상기 금속막이 상기 실리콘 기판과 반응하도록 열처리하여 상기 수직벽을 적어도 제외한 상기 실리콘 기판 표면의 소정영역상에 금속실리사이드막 을 선택적으로 형성하는 단계를 구비하는 것을 특징으로 하는 실리콘 기판상에 실 리사이드막을 형성하는 방법.
- 제1항에 있어서, 상기 금속막은 고융점을 갖는 금속으로 만들어지는 것을 특징으로 하는 방법.
- 제2항에 있어서, 상기 금속은 티타늄, 몰리브덴, 텅스텐 및 코발트로 이루어진 군에서 선택된 것임을 특징으로 하는 방법.
- 제1항에 있어서, 비반응 금속막을 습식 에칭에 의해 제거하여 상기 금속 실리사이드막만을 상기 실리콘 기판에 남기는 단계를 또한 구비하는 것을 특징으로 하는 방법.
- 제4항에 있어서, 상기 습식 에칭은 수성암모니아와 수성 과산화수소의 혼합액을 사용하는 것을 특징으로 하는 방법.
- 게이트 측벽에 의해 둘러싸여지는 게이트가 위에 형성되고 확산영역이 안에 형성되는 실리콘 기판상에 상기 게이트 측벽을 적어도 제외한 상기 실리콘 기판의 소정영역에 실리사이드막을 형성하는 방법으로서, 상기 실리콘 기판에 상기 실리콘 기판 표면상에 메쉬 마스크를 이용하여 금속원자의 콜리메이트 스퍼터링을 행하여, 수직벽을 제외한 상기 실리콘 기판의 전표면에 금속막을 형성하는 단계와, 형성된 금속막을 상기 금속막이 상기 확산영역과 반응하도록 열처리하여 상기 수직벽을 제외한 적어도 확산영역상에 금속 실리사이드막을 선택적으로 형성하는 단계를 구비하는 것을 특징으로 하는 실리콘 기판상에 실리사이드막을 형성사는 방법.
- 제6항에 있어서, 상기 금속막은 고융점을 갖는 금속으로 만들어지는 것을 특징으로 하는 방법.
- 제7항에 있어서, 상기 금속은 티타늄, 몰리브덴, 텅스텐 및 코발트로 이루어지는 군에서 선택된 것임을 특징으로 하는 방법.
- 제6항에 있어서, 비반응 금속막을 습식 에칭에 의해 제거하여 상기 금속 실리 사이드막만을 상기 실리콘 기판에 남기는 단계를 또한 구비하는 것을 특징으로 하는 방법.
- 제9항에 있어서, 상기 습식 에칭은 수성암모니아의 수성 과산화수소의 혼합액을 사용하는 것을 특징으로 하는 방법.
- 제6항에 있어서, 상기 게이트는 불순물 도우프된 폴리실리콘 막을 구비하는 것을 특징으로 하는 방법.
- 제6항에 있어서, 상기 게이트는 불순물 도우프된 폴리실리콘 막과 상기 폴리실리콘막을 중첩하는 금속막의 적층을 구비하는 것을 특징으로 하는 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5303754A JP2699839B2 (ja) | 1993-12-03 | 1993-12-03 | 半導体装置の製造方法 |
JP93-303754 | 1993-12-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR0144649B1 true KR0144649B1 (ko) | 1998-08-17 |
Family
ID=17924875
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940032695A KR0144649B1 (ko) | 1993-12-03 | 1994-12-03 | 반도체 장치에 있어서 실리사이드막의 선택 형성법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US5565383A (ko) |
JP (1) | JP2699839B2 (ko) |
KR (1) | KR0144649B1 (ko) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100202633B1 (ko) * | 1995-07-26 | 1999-06-15 | 구본준 | 반도체 소자 제조방법 |
US5694125A (en) * | 1995-08-02 | 1997-12-02 | Advance Hardware Architecture | Sliding window with big gap data compression system |
US5814537A (en) * | 1996-12-18 | 1998-09-29 | Sharp Microelectronics Technology,Inc. | Method of forming transistor electrodes from directionally deposited silicide |
JPH10284438A (ja) | 1997-04-02 | 1998-10-23 | Toshiba Corp | 半導体集積回路及びその製造方法 |
US6010954A (en) * | 1997-07-11 | 2000-01-04 | Chartered Semiconductor Manufacturing, Ltd. | Cmos gate architecture for integration of salicide process in sub 0.1 . .muM devices |
US6306763B1 (en) * | 1997-07-18 | 2001-10-23 | Advanced Micro Devices, Inc. | Enhanced salicidation technique |
US6020242A (en) * | 1997-09-04 | 2000-02-01 | Lsi Logic Corporation | Effective silicide blocking |
US6218276B1 (en) | 1997-12-22 | 2001-04-17 | Lsi Logic Corporation | Silicide encapsulation of polysilicon gate and interconnect |
KR100255135B1 (ko) * | 1997-12-31 | 2000-05-01 | 윤종용 | 반도체 장치의 제조 방법 |
US6724052B2 (en) * | 1997-12-31 | 2004-04-20 | Samsung Electronics Co., Ltd. | Semiconductor device and method of fabricating a semiconductor device |
US6037233A (en) * | 1998-04-27 | 2000-03-14 | Lsi Logic Corporation | Metal-encapsulated polysilicon gate and interconnect |
US6255215B1 (en) * | 1998-10-20 | 2001-07-03 | Advanced Micro Services | Semiconductor device having silicide layers formed using a collimated metal layer |
US6200867B1 (en) * | 1998-11-17 | 2001-03-13 | Winbond Electronics Corporation | Method for forming raised source and drain |
US6265252B1 (en) | 1999-05-03 | 2001-07-24 | Vlsi Technology, Inc. | Reducing the formation of electrical leakage pathways during manufacture of an electronic device |
JP2001111040A (ja) * | 1999-10-13 | 2001-04-20 | Oki Electric Ind Co Ltd | 電界効果トランジスタの製造方法 |
US20050048126A1 (en) | 2000-12-22 | 2005-03-03 | Barrett Rabinow | Formulation to render an antimicrobial drug potent against organisms normally considered to be resistant to the drug |
US6951656B2 (en) * | 2000-12-22 | 2005-10-04 | Baxter International Inc. | Microprecipitation method for preparing submicron suspensions |
US20030072807A1 (en) * | 2000-12-22 | 2003-04-17 | Wong Joseph Chung-Tak | Solid particulate antifungal compositions for pharmaceutical use |
US9700866B2 (en) | 2000-12-22 | 2017-07-11 | Baxter International Inc. | Surfactant systems for delivery of organic compounds |
US20030096013A1 (en) * | 2000-12-22 | 2003-05-22 | Jane Werling | Preparation of submicron sized particles with polymorph control |
US6884436B2 (en) * | 2000-12-22 | 2005-04-26 | Baxter International Inc. | Method for preparing submicron particle suspensions |
US8067032B2 (en) * | 2000-12-22 | 2011-11-29 | Baxter International Inc. | Method for preparing submicron particles of antineoplastic agents |
US6869617B2 (en) * | 2000-12-22 | 2005-03-22 | Baxter International Inc. | Microprecipitation method for preparing submicron suspensions |
US20040022862A1 (en) * | 2000-12-22 | 2004-02-05 | Kipp James E. | Method for preparing small particles |
US7193084B2 (en) | 2000-12-22 | 2007-03-20 | Baxter International Inc. | Polymorphic form of itraconazole |
US6977085B2 (en) * | 2000-12-22 | 2005-12-20 | Baxter International Inc. | Method for preparing submicron suspensions with polymorph control |
US6743666B1 (en) | 2001-04-27 | 2004-06-01 | Advanced Micro Devices, Inc. | Selective thickening of the source-drain and gate areas of field effect transistors |
US20060003012A9 (en) * | 2001-09-26 | 2006-01-05 | Sean Brynjelsen | Preparation of submicron solid particle suspensions by sonication of multiphase systems |
JP2005504090A (ja) | 2001-09-26 | 2005-02-10 | バクスター・インターナショナル・インコーポレイテッド | 分散体および溶媒相または液相の除去によるサブミクロンサイズ−ナノ粒子の調製 |
US7112340B2 (en) * | 2001-10-19 | 2006-09-26 | Baxter International Inc. | Compositions of and method for preparing stable particles in a frozen aqueous matrix |
US8426467B2 (en) | 2007-05-22 | 2013-04-23 | Baxter International Inc. | Colored esmolol concentrate |
US8722736B2 (en) | 2007-05-22 | 2014-05-13 | Baxter International Inc. | Multi-dose concentrate esmolol with benzyl alcohol |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5799775A (en) * | 1980-12-12 | 1982-06-21 | Toshiba Corp | Manufacture of semiconductor device |
JPS59161023A (ja) * | 1983-03-04 | 1984-09-11 | Oki Electric Ind Co Ltd | 素子の製造方法 |
US4660276A (en) * | 1985-08-12 | 1987-04-28 | Rca Corporation | Method of making a MOS field effect transistor in an integrated circuit |
JPH01189919A (ja) * | 1988-01-26 | 1989-07-31 | Seiko Epson Corp | 半導体装置とその製造方法 |
KR930004295B1 (ko) * | 1988-12-24 | 1993-05-22 | 삼성전자 주식회사 | Vlsi 장치의 n+ 및 p+ 저항영역에 저저항 접속방법 |
CA2061119C (en) * | 1991-04-19 | 1998-02-03 | Pei-Ing P. Lee | Method of depositing conductors in high aspect ratio apertures |
US5300813A (en) * | 1992-02-26 | 1994-04-05 | International Business Machines Corporation | Refractory metal capped low resistivity metal conductor lines and vias |
US5262354A (en) * | 1992-02-26 | 1993-11-16 | International Business Machines Corporation | Refractory metal capped low resistivity metal conductor lines and vias |
-
1993
- 1993-12-03 JP JP5303754A patent/JP2699839B2/ja not_active Expired - Lifetime
-
1994
- 1994-12-03 KR KR1019940032695A patent/KR0144649B1/ko not_active IP Right Cessation
-
1996
- 1996-01-16 US US08/586,422 patent/US5565383A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5565383A (en) | 1996-10-15 |
JP2699839B2 (ja) | 1998-01-19 |
JPH07161663A (ja) | 1995-06-23 |
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