JP6010387B2 - 半導体装置を形成するための方法 - Google Patents
半導体装置を形成するための方法 Download PDFInfo
- Publication number
- JP6010387B2 JP6010387B2 JP2012182159A JP2012182159A JP6010387B2 JP 6010387 B2 JP6010387 B2 JP 6010387B2 JP 2012182159 A JP2012182159 A JP 2012182159A JP 2012182159 A JP2012182159 A JP 2012182159A JP 6010387 B2 JP6010387 B2 JP 6010387B2
- Authority
- JP
- Japan
- Prior art keywords
- gas
- substrate
- plasma
- process gas
- carbon film
- 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
- 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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02115—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material being carbon, e.g. alpha-C, diamond or hydrogen doped carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/26—Deposition of carbon only
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/50—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges
- C23C16/511—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges using microwave discharges
-
- 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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
- H01L21/02271—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
- H01L21/02274—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition in the presence of a plasma [PECVD]
-
- 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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
- H01L21/02271—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
- H01L21/0228—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition deposition by cyclic CVD, e.g. ALD, ALE, pulsed CVD
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/20—Carbon compounds, e.g. carbon nanotubes or fullerenes
-
- H10P14/6336—
-
- H10P14/6339—
-
- H10P14/6902—
-
- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02524—Group 14 semiconducting materials
- H01L21/02527—Carbon, e.g. diamond-like carbon
-
- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02587—Structure
- H01L21/0259—Microstructure
- H01L21/02592—Microstructure amorphous
-
- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02612—Formation types
- H01L21/02617—Deposition types
- H01L21/0262—Reduction or decomposition of gaseous compounds, e.g. CVD
-
- H10P14/24—
-
- H10P14/3406—
-
- H10P14/3454—
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Plasma & Fusion (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Inorganic Chemistry (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Vapour Deposition (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/217,813 | 2011-08-25 | ||
| US13/217,813 US8399366B1 (en) | 2011-08-25 | 2011-08-25 | Method of depositing highly conformal amorphous carbon films over raised features |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2013046070A JP2013046070A (ja) | 2013-03-04 |
| JP2013046070A5 JP2013046070A5 (enExample) | 2015-10-08 |
| JP6010387B2 true JP6010387B2 (ja) | 2016-10-19 |
Family
ID=47744307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012182159A Expired - Fee Related JP6010387B2 (ja) | 2011-08-25 | 2012-08-21 | 半導体装置を形成するための方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8399366B1 (enExample) |
| JP (1) | JP6010387B2 (enExample) |
| KR (1) | KR101921336B1 (enExample) |
| CN (1) | CN102956473B (enExample) |
| TW (1) | TWI496193B (enExample) |
Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107437547B (zh) * | 2016-05-26 | 2020-03-10 | 中芯国际集成电路制造(上海)有限公司 | 一种半导体器件的制作方法 |
| US10510575B2 (en) | 2017-09-20 | 2019-12-17 | Applied Materials, Inc. | Substrate support with multiple embedded electrodes |
| SG11202009289PA (en) * | 2018-05-03 | 2020-11-27 | Applied Materials Inc | Pulsed plasma (dc/rf) deposition of high quality c films for patterning |
| US10555412B2 (en) | 2018-05-10 | 2020-02-04 | Applied Materials, Inc. | Method of controlling ion energy distribution using a pulse generator with a current-return output stage |
| CN108735570B (zh) * | 2018-05-25 | 2019-06-18 | 中国科学院微电子研究所 | 用于SiC等离子体氧化的微波等离子体发生装置 |
| US11476145B2 (en) | 2018-11-20 | 2022-10-18 | Applied Materials, Inc. | Automatic ESC bias compensation when using pulsed DC bias |
| KR20250100790A (ko) | 2019-01-22 | 2025-07-03 | 어플라이드 머티어리얼스, 인코포레이티드 | 펄스 전압 파형을 제어하기 위한 피드백 루프 |
| US11508554B2 (en) | 2019-01-24 | 2022-11-22 | Applied Materials, Inc. | High voltage filter assembly |
| WO2020263718A1 (en) * | 2019-06-24 | 2020-12-30 | Lam Research Corporation | Selective carbon deposition |
| US11848176B2 (en) | 2020-07-31 | 2023-12-19 | Applied Materials, Inc. | Plasma processing using pulsed-voltage and radio-frequency power |
| US11798790B2 (en) | 2020-11-16 | 2023-10-24 | Applied Materials, Inc. | Apparatus and methods for controlling ion energy distribution |
| US11901157B2 (en) | 2020-11-16 | 2024-02-13 | Applied Materials, Inc. | Apparatus and methods for controlling ion energy distribution |
| US11495470B1 (en) | 2021-04-16 | 2022-11-08 | Applied Materials, Inc. | Method of enhancing etching selectivity using a pulsed plasma |
| US11948780B2 (en) | 2021-05-12 | 2024-04-02 | Applied Materials, Inc. | Automatic electrostatic chuck bias compensation during plasma processing |
| US11791138B2 (en) | 2021-05-12 | 2023-10-17 | Applied Materials, Inc. | Automatic electrostatic chuck bias compensation during plasma processing |
| US11967483B2 (en) | 2021-06-02 | 2024-04-23 | Applied Materials, Inc. | Plasma excitation with ion energy control |
| US12394596B2 (en) | 2021-06-09 | 2025-08-19 | Applied Materials, Inc. | Plasma uniformity control in pulsed DC plasma chamber |
| US20220399186A1 (en) | 2021-06-09 | 2022-12-15 | Applied Materials, Inc. | Method and apparatus to reduce feature charging in plasma processing chamber |
| US12525441B2 (en) | 2021-06-09 | 2026-01-13 | Applied Materials, Inc. | Plasma chamber and chamber component cleaning methods |
| US11810760B2 (en) | 2021-06-16 | 2023-11-07 | Applied Materials, Inc. | Apparatus and method of ion current compensation |
| US11569066B2 (en) | 2021-06-23 | 2023-01-31 | Applied Materials, Inc. | Pulsed voltage source for plasma processing applications |
| US11776788B2 (en) | 2021-06-28 | 2023-10-03 | Applied Materials, Inc. | Pulsed voltage boost for substrate processing |
| US11476090B1 (en) | 2021-08-24 | 2022-10-18 | Applied Materials, Inc. | Voltage pulse time-domain multiplexing |
| US12106938B2 (en) | 2021-09-14 | 2024-10-01 | Applied Materials, Inc. | Distortion current mitigation in a radio frequency plasma processing chamber |
| US12198928B2 (en) * | 2021-10-22 | 2025-01-14 | Applied Materials, Inc. | Carbon gap fill processes |
| US11694876B2 (en) | 2021-12-08 | 2023-07-04 | Applied Materials, Inc. | Apparatus and method for delivering a plurality of waveform signals during plasma processing |
| US11972924B2 (en) | 2022-06-08 | 2024-04-30 | Applied Materials, Inc. | Pulsed voltage source for plasma processing applications |
| US12315732B2 (en) | 2022-06-10 | 2025-05-27 | Applied Materials, Inc. | Method and apparatus for etching a semiconductor substrate in a plasma etch chamber |
| US12272524B2 (en) | 2022-09-19 | 2025-04-08 | Applied Materials, Inc. | Wideband variable impedance load for high volume manufacturing qualification and on-site diagnostics |
| US12111341B2 (en) | 2022-10-05 | 2024-10-08 | Applied Materials, Inc. | In-situ electric field detection method and apparatus |
| WO2025208079A1 (en) * | 2024-03-29 | 2025-10-02 | Lam Research Corporation | Temporal switching to achieve geometric selective deposition of carbon in patterned features |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7294580B2 (en) * | 2003-04-09 | 2007-11-13 | Lam Research Corporation | Method for plasma stripping using periodic modulation of gas chemistry and hydrocarbon addition |
| US7638440B2 (en) | 2004-03-12 | 2009-12-29 | Applied Materials, Inc. | Method of depositing an amorphous carbon film for etch hardmask application |
| JP2007224383A (ja) * | 2006-02-24 | 2007-09-06 | Tokyo Electron Ltd | アモルファスカーボン膜の成膜方法、それを用いた半導体装置の製造方法、およびコンピュータ読取可能な記憶媒体 |
| US20070286954A1 (en) * | 2006-06-13 | 2007-12-13 | Applied Materials, Inc. | Methods for low temperature deposition of an amorphous carbon layer |
| US20080153311A1 (en) * | 2006-06-28 | 2008-06-26 | Deenesh Padhi | Method for depositing an amorphous carbon film with improved density and step coverage |
| US8377818B2 (en) | 2006-07-05 | 2013-02-19 | Tokyo Electron Limited | Aftertreatment method for amorphous carbon film |
| JP5200371B2 (ja) | 2006-12-01 | 2013-06-05 | 東京エレクトロン株式会社 | 成膜方法、半導体装置及び記憶媒体 |
| US8409460B2 (en) * | 2007-02-28 | 2013-04-02 | Tokyo Electron Limited | Forming method of amorphous carbon film, amorphous carbon film, multilayer resist film, manufacturing method of semiconductor device, and computer-readable storage medium |
| JP5297885B2 (ja) * | 2008-06-18 | 2013-09-25 | 東京エレクトロン株式会社 | マイクロ波プラズマ処理装置 |
| US7842622B1 (en) * | 2009-05-15 | 2010-11-30 | Asm Japan K.K. | Method of forming highly conformal amorphous carbon layer |
| TW201120943A (en) * | 2009-06-26 | 2011-06-16 | Tokyo Electron Ltd | Technique for improving the adhesiveness of fluorocarbon (CFx) film by oxygen-containing doping of amorphous carbon (small amount of silicon added) |
-
2011
- 2011-08-25 US US13/217,813 patent/US8399366B1/en not_active Expired - Fee Related
-
2012
- 2012-08-21 JP JP2012182159A patent/JP6010387B2/ja not_active Expired - Fee Related
- 2012-08-22 KR KR1020120091781A patent/KR101921336B1/ko not_active Expired - Fee Related
- 2012-08-23 TW TW101130665A patent/TWI496193B/zh not_active IP Right Cessation
- 2012-08-27 CN CN201210315731.6A patent/CN102956473B/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR101921336B1 (ko) | 2018-11-22 |
| US20130052808A1 (en) | 2013-02-28 |
| CN102956473B (zh) | 2015-07-29 |
| TW201316380A (zh) | 2013-04-16 |
| KR20130022378A (ko) | 2013-03-06 |
| JP2013046070A (ja) | 2013-03-04 |
| CN102956473A (zh) | 2013-03-06 |
| TWI496193B (zh) | 2015-08-11 |
| US8399366B1 (en) | 2013-03-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6010387B2 (ja) | 半導体装置を形成するための方法 | |
| TWI764008B (zh) | 高品質間隙填充的高偏壓沉積 | |
| KR102723608B1 (ko) | 실리콘 산화물막에 대한 증착후 처리 방법 | |
| KR100554116B1 (ko) | 멀티슬롯 안테나를 이용한 표면파 플라즈마 처리장치 | |
| US6870123B2 (en) | Microwave applicator, plasma processing apparatus having same, and plasma processing method | |
| US10249495B2 (en) | Diamond like carbon layer formed by an electron beam plasma process | |
| US9406523B2 (en) | Highly selective doped oxide removal method | |
| US9165786B1 (en) | Integrated oxide and nitride recess for better channel contact in 3D architectures | |
| TWI705154B (zh) | 調控一或更多圖案化膜的局部應力與覆蓋誤差的方法及用於沉積該一或更多圖案化膜的腔室 | |
| KR102439785B1 (ko) | 무-할로겐 기상 실리콘 에칭 | |
| CN104380440B (zh) | 图案形成方法和基板处理系统 | |
| KR20210040264A (ko) | 주기적 플라즈마 강화 증착 공정에 의해 토포그래피 선택적인 실리콘 산화물 막을 형성하는 방법 | |
| KR20200143254A (ko) | 개질 가스를 사용하여 전자 구조를 형성하는 방법, 상기 방법을 수행하기 위한 시스템, 및 상기 방법을 사용하여 형성되는 구조 | |
| US20150371865A1 (en) | High selectivity gas phase silicon nitride removal | |
| US20160042968A1 (en) | Integrated oxide and si etch for 3d cell channel mobility improvements | |
| US20100136797A1 (en) | Plasma oxidation processing method, plasma processing apparatus and storage medium | |
| JP2016119344A (ja) | プラズマ処理方法 | |
| CN107851558B (zh) | 以uv辅助方式将材料注入多孔膜 | |
| JP6424249B2 (ja) | シリコン及びゲルマニウムを含む基板におけるシリコンの優先的酸化のための方法 | |
| JP4478352B2 (ja) | プラズマ処理装置及びプラズマ処理方法並びに構造体の製造方法 | |
| KR20000029408A (ko) | 마이크로파 인가기, 이를 구비한 플라즈마 처리 장치, 및플라즈마 처리 방법 | |
| KR20210002099A (ko) | 플라스마 처리 방법 | |
| JP2019062045A (ja) | ボロン系膜の平坦化方法およびボロン系膜の形成方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20150819 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20150819 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20160419 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20160426 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20160624 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20160830 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20160916 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 6010387 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |