KR930003277B1 - 반도체장치 및 그의 제조방법 - Google Patents
반도체장치 및 그의 제조방법 Download PDFInfo
- Publication number
- KR930003277B1 KR930003277B1 KR1019890007121A KR890007121A KR930003277B1 KR 930003277 B1 KR930003277 B1 KR 930003277B1 KR 1019890007121 A KR1019890007121 A KR 1019890007121A KR 890007121 A KR890007121 A KR 890007121A KR 930003277 B1 KR930003277 B1 KR 930003277B1
- Authority
- KR
- South Korea
- Prior art keywords
- semiconductor
- circumference
- insulating layer
- side wall
- conductive side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B12/00—Dynamic random access memory [DRAM] devices
- H10B12/30—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells
- H10B12/39—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells the capacitor and the transistor being in a same trench
- H10B12/395—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells the capacitor and the transistor being in a same trench the transistor being vertical
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76822—Modification of the material of dielectric layers, e.g. grading, after-treatment to improve the stability of the layers, to increase their density etc.
- H01L21/76826—Modification of the material of dielectric layers, e.g. grading, after-treatment to improve the stability of the layers, to increase their density etc. by contacting the layer with gases, liquids or plasmas
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76897—Formation of self-aligned vias or contact plugs, i.e. involving a lithographically uncritical step
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/482—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of lead-in layers inseparably applied to the semiconductor body (electrodes)
- H01L23/485—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of lead-in layers inseparably applied to the semiconductor body (electrodes) consisting of layered constructions comprising conductive layers and insulating layers, e.g. planar contacts
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B12/00—Dynamic random access memory [DRAM] devices
- H10B12/01—Manufacture or treatment
- H10B12/02—Manufacture or treatment for one transistor one-capacitor [1T-1C] memory cells
- H10B12/03—Making the capacitor or connections thereto
- H10B12/038—Making the capacitor or connections thereto the capacitor being in a trench in the substrate
- H10B12/0383—Making the capacitor or connections thereto the capacitor being in a trench in the substrate wherein the transistor is vertical
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B20/00—Read-only memory [ROM] devices
- H10B20/27—ROM only
- H10B20/40—ROM only having the source region and drain region on different levels, e.g. vertical channel
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/63—Vertical IGFETs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
-
- 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
- Y10S257/911—Light sensitive array adapted to be scanned by electron beam, e.g. vidicon device
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Plasma & Fusion (AREA)
- Semiconductor Memories (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (12)
- 반도체기판(1)과, 상기 반도체기판(1)으로부터 돌출되는 반도체 원주(25)와, 상기 반도체 원주의 원주면상에 형성되는 절연층(27)과, 상기 반도체 원주(25)의 원주면의 절연층(27)상에 형성되는 도전측벽(28)과, 상부부분이 다른 부분보다 더욱 산화되는 식으로 도전측벽(28)의 일부를 산화시켜 얻어지는 추가 절연부분(31)을 포함하는 절연층(29)과, 도전성 측벽(28)을 둘러싸는 절연층(30)의 표면이 반도체원주(25)의 두부표면에 연속 및 평탄하게 배열되도록 기판상에 형성되는 절연층(30)과, 도전측벽(28)으로부터 전기적으로 절연된 반도체 원주(25)의 두부표면과 전기 접촉상태의 도전패턴(32)을 포함하는 것이 특징인 반도체장치.
- 제1항에서, 상기 반도체기판(1)은 실리콘을 포함하는 것이 특징인 반도체장치.
- 제1항에서, 상기 도전측벽(28)은 폴리 실리콘을 포함하는 것이 특징인 반도체장치.
- 제1항에서 상기 도전측벽의 일부를 산화시켜 얻은 상기 절연층(29)은 실리콘 산화물로 구성되는 것이 특징인 반도체장치.
- 제1항에 있어서 상부의 두께는 약 0.2㎛인 것이 특징인 반도체장치.
- 제1항에 있어서 상기 장치는 DRAM 또는 ROM과 같은 메모리 장치인 것이 특징인 반도체 장치.
- 제1 또는 6항에 있어서 상기 도전측벽(28,11)은 워드라인을 형성하는 것이 특징인 반도체장치.
- 제1항에 있어서 상기 도전패턴(32)은 비트라인을 형성하는 것이 특징인 반도체장치.
- 반도체기판(1) 제조단계와, 상기 반도체기판(1)으로부터 돌출되는 반도체 원주(25)를 형성하는 단계와, 상기 반도체원주(25)의 두부 또는 상부 표면상에 제1절연층(24)을 형성하는 단계와, 상기 반도체 원주(25)와 기판(1)의 원주면상에 제2절연층(27)을 산화방법에 의해 형성하는 단계와 상기 반도체원주(25)의 원주면의 제2절연층(27)상에 도전측벽(28)을 형성하는 단계와, 상기 도전측벽(28)의 표면상에 제3절연층을 형성하는 단계와, 상기 반도체 원주 및 도전측벽이 매립되도록 장치의 전체 노출면 상에 제4절연층(30)을 형성하는 단계와, 상기 반도체 원주(25)의 두부면과 동일평면을 형성하도록 상기 제4절연층을 일부 제거하는 단계와, 도전측벽과 기타 소자들간의 파괴전압을 개선하도록 제1절연층(24)으로 피복된 반도체 원주를 더 산화시키지 않고 추가절연부분(31)을 형성하도록 도전측벽의 상부를 선택적으로 산화시키는 단계와, 적어도 상기 반도체 원주(25)의 두부상에 형성되는 제1절연층(24)의 부분을 제거하는 단계 그리고, 상기 반도체원주(25)의 두부표면과 제4절연층(30)상에 전기접촉상태로 도전패턴(32)을 형성하는 단계를 포함하는 것이 특징인 반도체장치 제조방법.
- 제9항에 있어서, 상기 기판(11)은 실리콘기판인 것이 특징인 반도체장치 제조방법.
- 제9항에 있어서, 상기 반도체 원주는 실리콘 원주인 것이 특징인 반도체장치 제조방법.
- 제9항에 있어서, 상기 제1절연층은 실리콘 질화물층이며 또한 도전측벽의 상부부분을 선택적으로 산화시켜 얻은 상기 추가절연 부분(31) 실리콘 산화물인 것이 특징인 반도체 장치 제조방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63129463A JPH07105477B2 (ja) | 1988-05-28 | 1988-05-28 | 半導体装置及びその製造方法 |
JP63-129463 | 1988-05-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR900019215A KR900019215A (ko) | 1990-12-24 |
KR930003277B1 true KR930003277B1 (ko) | 1993-04-24 |
Family
ID=15010118
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019890007121A Expired - Fee Related KR930003277B1 (ko) | 1988-05-28 | 1989-05-27 | 반도체장치 및 그의 제조방법 |
Country Status (5)
Country | Link |
---|---|
US (2) | US5057896A (ko) |
EP (1) | EP0348046B1 (ko) |
JP (1) | JPH07105477B2 (ko) |
KR (1) | KR930003277B1 (ko) |
DE (1) | DE68927026D1 (ko) |
Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03187272A (ja) * | 1989-12-15 | 1991-08-15 | Mitsubishi Electric Corp | Mos型電界効果トランジスタ及びその製造方法 |
JPH07112067B2 (ja) * | 1990-01-24 | 1995-11-29 | 株式会社東芝 | 半導体装置 |
JPH07120800B2 (ja) * | 1990-01-25 | 1995-12-20 | 株式会社東芝 | 半導体装置およびその製造方法 |
JPH0834302B2 (ja) * | 1990-04-21 | 1996-03-29 | 株式会社東芝 | 半導体記憶装置 |
US5087581A (en) * | 1990-10-31 | 1992-02-11 | Texas Instruments Incorporated | Method of forming vertical FET device with low gate to source overlap capacitance |
US5466961A (en) * | 1991-04-23 | 1995-11-14 | Canon Kabushiki Kaisha | Semiconductor device and method of manufacturing the same |
US5219793A (en) * | 1991-06-03 | 1993-06-15 | Motorola Inc. | Method for forming pitch independent contacts and a semiconductor device having the same |
KR930011125B1 (ko) * | 1991-06-11 | 1993-11-24 | 삼성전자 주식회사 | 반도체 메모리장치 |
US5398200A (en) * | 1992-03-02 | 1995-03-14 | Motorola, Inc. | Vertically formed semiconductor random access memory device |
US5229312A (en) * | 1992-04-13 | 1993-07-20 | North American Philips Corp. | Nonvolatile trench memory device and self-aligned method for making such a device |
US5324673A (en) * | 1992-11-19 | 1994-06-28 | Motorola, Inc. | Method of formation of vertical transistor |
KR0141218B1 (ko) * | 1993-11-24 | 1998-07-15 | 윤종용 | 고집적 반도체장치의 제조방법 |
KR960016773B1 (en) * | 1994-03-28 | 1996-12-20 | Samsung Electronics Co Ltd | Buried bit line and cylindrical gate cell and forming method thereof |
JPH098290A (ja) * | 1995-06-20 | 1997-01-10 | Mitsubishi Electric Corp | 半導体装置及びその製造方法 |
DE19621244C2 (de) * | 1996-05-25 | 2003-08-28 | Infineon Technologies Ag | Verfahren zur Herstellung eines MOS-Transistors mit einem mesaförmigen Schichtstapel und MOS-Transistor |
US5973356A (en) * | 1997-07-08 | 1999-10-26 | Micron Technology, Inc. | Ultra high density flash memory |
US6191470B1 (en) | 1997-07-08 | 2001-02-20 | Micron Technology, Inc. | Semiconductor-on-insulator memory cell with buried word and body lines |
US6150687A (en) | 1997-07-08 | 2000-11-21 | Micron Technology, Inc. | Memory cell having a vertical transistor with buried source/drain and dual gates |
US6072209A (en) * | 1997-07-08 | 2000-06-06 | Micro Technology, Inc. | Four F2 folded bit line DRAM cell structure having buried bit and word lines |
US5909618A (en) | 1997-07-08 | 1999-06-01 | Micron Technology, Inc. | Method of making memory cell with vertical transistor and buried word and body lines |
US5936274A (en) * | 1997-07-08 | 1999-08-10 | Micron Technology, Inc. | High density flash memory |
US5907170A (en) | 1997-10-06 | 1999-05-25 | Micron Technology, Inc. | Circuit and method for an open bit line memory cell with a vertical transistor and trench plate trench capacitor |
US6066869A (en) | 1997-10-06 | 2000-05-23 | Micron Technology, Inc. | Circuit and method for a folded bit line memory cell with vertical transistor and trench capacitor |
US6528837B2 (en) * | 1997-10-06 | 2003-03-04 | Micron Technology, Inc. | Circuit and method for an open bit line memory cell with a vertical transistor and trench plate trench capacitor |
US5914511A (en) * | 1997-10-06 | 1999-06-22 | Micron Technology, Inc. | Circuit and method for a folded bit line memory using trench plate capacitor cells with body bias contacts |
US6025225A (en) * | 1998-01-22 | 2000-02-15 | Micron Technology, Inc. | Circuits with a trench capacitor having micro-roughened semiconductor surfaces and methods for forming the same |
US6246083B1 (en) | 1998-02-24 | 2001-06-12 | Micron Technology, Inc. | Vertical gain cell and array for a dynamic random access memory |
US5963469A (en) * | 1998-02-24 | 1999-10-05 | Micron Technology, Inc. | Vertical bipolar read access for low voltage memory cell |
US6304483B1 (en) | 1998-02-24 | 2001-10-16 | Micron Technology, Inc. | Circuits and methods for a static random access memory using vertical transistors |
US6124729A (en) | 1998-02-27 | 2000-09-26 | Micron Technology, Inc. | Field programmable logic arrays with vertical transistors |
US5991225A (en) | 1998-02-27 | 1999-11-23 | Micron Technology, Inc. | Programmable memory address decode array with vertical transistors |
US6043527A (en) * | 1998-04-14 | 2000-03-28 | Micron Technology, Inc. | Circuits and methods for a memory cell with a trench plate trench capacitor and a vertical bipolar read device |
US6169006B1 (en) * | 1998-07-29 | 2001-01-02 | Advanced Micro Devices, Inc. | Semiconductor device having grown oxide spacers and method of manufacture thereof |
US6134175A (en) * | 1998-08-04 | 2000-10-17 | Micron Technology, Inc. | Memory address decode array with vertical transistors |
US6208164B1 (en) | 1998-08-04 | 2001-03-27 | Micron Technology, Inc. | Programmable logic array with vertical transistors |
US6104068A (en) | 1998-09-01 | 2000-08-15 | Micron Technology, Inc. | Structure and method for improved signal processing |
US6320222B1 (en) | 1998-09-01 | 2001-11-20 | Micron Technology, Inc. | Structure and method for reducing threshold voltage variations due to dopant fluctuations |
DE10013577A1 (de) | 2000-03-18 | 2001-09-20 | Wolff Walsrode Ag | Verwendung von Polysacchariden oder Polysaccharidderivaten, die nach Vergelung und Heiß-Dampf-Mahltrocknung mittels Gas- oder Wasserdampftrocknung hergestellt wurden, in Baustoffgemischen |
US6566682B2 (en) * | 2001-02-09 | 2003-05-20 | Micron Technology, Inc. | Programmable memory address and decode circuits with ultra thin vertical body transistors |
US6559491B2 (en) * | 2001-02-09 | 2003-05-06 | Micron Technology, Inc. | Folded bit line DRAM with ultra thin body transistors |
US6531727B2 (en) * | 2001-02-09 | 2003-03-11 | Micron Technology, Inc. | Open bit line DRAM with ultra thin body transistors |
US6424001B1 (en) * | 2001-02-09 | 2002-07-23 | Micron Technology, Inc. | Flash memory with ultra thin vertical body transistors |
US6496034B2 (en) * | 2001-02-09 | 2002-12-17 | Micron Technology, Inc. | Programmable logic arrays with ultra thin body transistors |
US7160577B2 (en) | 2002-05-02 | 2007-01-09 | Micron Technology, Inc. | Methods for atomic-layer deposition of aluminum oxides in integrated circuits |
US7927948B2 (en) | 2005-07-20 | 2011-04-19 | Micron Technology, Inc. | Devices with nanocrystals and methods of formation |
KR100946084B1 (ko) * | 2008-03-27 | 2010-03-10 | 주식회사 하이닉스반도체 | 반도체 소자의 수직형 트랜지스터 및 그 형성방법 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4654680A (en) * | 1980-09-24 | 1987-03-31 | Semiconductor Energy Laboratory Co., Ltd. | Sidewall gate IGFET |
JPS5919366A (ja) * | 1982-07-23 | 1984-01-31 | Hitachi Ltd | 半導体記憶装置 |
JPS59182558A (ja) * | 1983-04-01 | 1984-10-17 | Hitachi Ltd | 半導体記憶装置 |
JPS6042866A (ja) * | 1983-08-19 | 1985-03-07 | Toshiba Corp | 半導体装置及びその製造方法 |
KR920010461B1 (ko) * | 1983-09-28 | 1992-11-28 | 가부시끼가이샤 히다찌세이사꾸쇼 | 반도체 메모리와 그 제조 방법 |
JPS6074638A (ja) * | 1983-09-30 | 1985-04-26 | Toshiba Corp | 半導体装置の製造方法 |
US4737829A (en) * | 1985-03-28 | 1988-04-12 | Nec Corporation | Dynamic random access memory device having a plurality of one-transistor type memory cells |
JPH0682800B2 (ja) * | 1985-04-16 | 1994-10-19 | 株式会社東芝 | 半導体記憶装置 |
JPH0793372B2 (ja) * | 1985-12-16 | 1995-10-09 | 株式会社東芝 | 半導体記憶装置 |
JPS62244164A (ja) * | 1986-04-16 | 1987-10-24 | Sony Corp | 半導体メモリ装置 |
US4947225A (en) * | 1986-04-28 | 1990-08-07 | Rockwell International Corporation | Sub-micron devices with method for forming sub-micron contacts |
US4769786A (en) * | 1986-07-15 | 1988-09-06 | International Business Machines Corporation | Two square memory cells |
FR2603128B1 (fr) * | 1986-08-21 | 1988-11-10 | Commissariat Energie Atomique | Cellule de memoire eprom et son procede de fabrication |
JPS63155660A (ja) * | 1986-12-19 | 1988-06-28 | Fujitsu Ltd | 半導体装置 |
JPS63211750A (ja) * | 1987-02-27 | 1988-09-02 | Mitsubishi Electric Corp | 半導体記憶装置 |
EP0333426B1 (en) * | 1988-03-15 | 1996-07-10 | Kabushiki Kaisha Toshiba | Dynamic RAM |
-
1988
- 1988-05-28 JP JP63129463A patent/JPH07105477B2/ja not_active Expired - Lifetime
-
1989
- 1989-05-26 DE DE68927026T patent/DE68927026D1/de not_active Expired - Lifetime
- 1989-05-26 EP EP89305353A patent/EP0348046B1/en not_active Expired - Lifetime
- 1989-05-27 KR KR1019890007121A patent/KR930003277B1/ko not_active Expired - Fee Related
- 1989-05-30 US US07/357,809 patent/US5057896A/en not_active Expired - Lifetime
-
1993
- 1993-06-04 US US08/072,876 patent/US5372964A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR900019215A (ko) | 1990-12-24 |
US5057896A (en) | 1991-10-15 |
JPH01300566A (ja) | 1989-12-05 |
JPH07105477B2 (ja) | 1995-11-13 |
EP0348046A2 (en) | 1989-12-27 |
DE68927026D1 (de) | 1996-10-02 |
EP0348046B1 (en) | 1996-08-28 |
US5372964A (en) | 1994-12-13 |
EP0348046A3 (en) | 1991-09-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR930003277B1 (ko) | 반도체장치 및 그의 제조방법 | |
KR100509210B1 (ko) | Dram셀장치및그의제조방법 | |
US6348411B1 (en) | Method of making a contact structure | |
KR950009741B1 (ko) | 반도체 메모리 셀의 제조방법 및 그 구조 | |
JP2557592B2 (ja) | 半導体メモリセルの製造方法 | |
KR100268447B1 (ko) | 커패시터 및 그의 제조 방법 | |
KR0131186B1 (ko) | 고집적 적층 캐패시터 제조방법 | |
JP3139678B2 (ja) | 半導体記憶装置およびその製造方法 | |
KR19980064219A (ko) | 집적 회로의 제조 방법 | |
KR20050013830A (ko) | 반도체 소자의 제조 방법 | |
US5160988A (en) | Semiconductor device with composite surface insulator | |
KR100694996B1 (ko) | 반도체 소자의 캐패시터 제조 방법 | |
KR0168403B1 (ko) | 반도체 장치의 커패시터 제조방법 | |
KR0166491B1 (ko) | 반도체 소자의 캐패시터 제조방법 | |
KR100390891B1 (ko) | 고집적반도체소자의제조방법 | |
KR0166031B1 (ko) | 반도체 소자의 캐패시터 제조방법 | |
KR100372101B1 (ko) | 반도체소자형성방법 | |
KR100190188B1 (ko) | 반도체소자의 캐패시터 제조방법 | |
KR0140476B1 (ko) | 반도체 소자의 저장전극 제조방법 | |
KR19980040661A (ko) | 커패시터의 하부 전극 형성 방법 | |
KR100272655B1 (ko) | 반도체 메모리 소자 및 그 제조방법 | |
KR970007821B1 (ko) | 반도체 장치의 콘택 제조방법 | |
KR0166492B1 (ko) | 반도체 소자의 캐패시터 제조방법 | |
KR0171105B1 (ko) | 반도체 캐패시터 및 그 제조방법 | |
KR100275599B1 (ko) | 트렌치 캐패시터의 형성 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19890527 |
|
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19890527 Comment text: Request for Examination of Application |
|
PG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19920831 Patent event code: PE09021S01D |
|
G160 | Decision to publish patent application | ||
PG1605 | Publication of application before grant of patent |
Comment text: Decision on Publication of Application Patent event code: PG16051S01I Patent event date: 19930330 |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19930719 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 19930916 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 19930915 End annual number: 3 Start annual number: 1 |
|
PR1001 | Payment of annual fee |
Payment date: 19960416 Start annual number: 4 End annual number: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 19970415 Start annual number: 5 End annual number: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 19980417 Start annual number: 6 End annual number: 6 |
|
PR1001 | Payment of annual fee |
Payment date: 19990408 Start annual number: 7 End annual number: 7 |
|
PR1001 | Payment of annual fee |
Payment date: 20000419 Start annual number: 8 End annual number: 8 |
|
PR1001 | Payment of annual fee |
Payment date: 20010418 Start annual number: 9 End annual number: 9 |
|
PR1001 | Payment of annual fee |
Payment date: 20020418 Start annual number: 10 End annual number: 10 |
|
PR1001 | Payment of annual fee |
Payment date: 20030410 Start annual number: 11 End annual number: 11 |
|
FPAY | Annual fee payment |
Payment date: 20040323 Year of fee payment: 12 |
|
PR1001 | Payment of annual fee |
Payment date: 20040323 Start annual number: 12 End annual number: 12 |
|
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |