JP2009526384A - 拡張部分を有するトレンチアイソレーション構造 - Google Patents
拡張部分を有するトレンチアイソレーション構造 Download PDFInfo
- Publication number
- JP2009526384A JP2009526384A JP2008553556A JP2008553556A JP2009526384A JP 2009526384 A JP2009526384 A JP 2009526384A JP 2008553556 A JP2008553556 A JP 2008553556A JP 2008553556 A JP2008553556 A JP 2008553556A JP 2009526384 A JP2009526384 A JP 2009526384A
- Authority
- JP
- Japan
- Prior art keywords
- trench
- microelectronic substrate
- isolation structure
- chamber
- dielectric material
- 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.)
- Granted
Links
- 238000002955 isolation Methods 0.000 title claims abstract description 34
- 238000004377 microelectronic Methods 0.000 claims abstract description 54
- 239000000758 substrate Substances 0.000 claims abstract description 51
- 239000003989 dielectric material Substances 0.000 claims abstract description 29
- 125000006850 spacer group Chemical group 0.000 claims description 20
- 238000005530 etching Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 12
- 229910052710 silicon Inorganic materials 0.000 claims description 12
- 239000010703 silicon Substances 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 238000000151 deposition Methods 0.000 claims description 5
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 4
- 238000001020 plasma etching Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000005498 polishing Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000011800 void material Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- 238000000231 atomic layer deposition Methods 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000608 laser ablation Methods 0.000 description 2
- 238000001459 lithography Methods 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 238000000992 sputter etching Methods 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910000673 Indium arsenide Inorganic materials 0.000 description 1
- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- VTGARNNDLOTBET-UHFFFAOYSA-N gallium antimonide Chemical compound [Sb]#[Ga] VTGARNNDLOTBET-UHFFFAOYSA-N 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- WPYVAWXEWQSOGY-UHFFFAOYSA-N indium antimonide Chemical compound [Sb]#[In] WPYVAWXEWQSOGY-UHFFFAOYSA-N 0.000 description 1
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- OCGWQDWYSQAFTO-UHFFFAOYSA-N tellanylidenelead Chemical compound [Pb]=[Te] OCGWQDWYSQAFTO-UHFFFAOYSA-N 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
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
- H01L21/70—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
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/76224—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials
- H01L21/76232—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials of trenches having a shape other than rectangular or V-shape, e.g. rounded corners, oblique or rounded trench walls
-
- 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
- H01L21/76—Making of isolation regions between components
-
- 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
- H01L21/76—Making of isolation regions between components
- H01L21/7605—Making of isolation regions between components between components manufactured in an active substrate comprising AIII BV compounds
-
- 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
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
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)
- Element Separation (AREA)
Abstract
【選択図】図10
Description
Claims (11)
- 第1の表面を有するマイクロ電子基板と、
前記マイクロ電子基板の第1の表面から前記マイクロ電子基板内へと延び、少なくとも1つの側壁と、前記マイクロ電子基板の第1の表面近傍のトレンチ開口とを有するトレンチと、
前記マイクロ電子基板内の前記トレンチ開口に対向する前記トレンチの端部に形成されたチャンバと、
前記チャンバおよび前記トレンチ内に配置された誘電材料と、
を備えるアイソレーション構造。 - 前記少なくとも1つのトレンチ側壁に接する少なくとも1つの側壁スペーサをさらに備える、請求項1に記載のアイソレーション構造。
- 前記誘電材料は、酸化シリコンを含む、請求項1に記載のアイソレーション構造。
- 前記チャンバの幅は、前記トレンチの底部近傍における前記トレンチの幅より大きい、請求項1に記載のアイソレーション構造。
- 前記チャンバは、前記トレンチ開口に対向する実質的に円弧状の部分を含む、請求項1に記載のアイソレーション構造。
- アイソレーション構造を形成する方法であって、
第1の表面を有するマイクロ電子基板を提供することと、
前記マイクロ電子基板の第1の表面から前記マイクロ電子基板内へと延び、少なくとも1つの側壁と、前記マイクロ電子基板の第1の表面近傍のトレンチ開口とを有するトレンチを形成することと、
前記マイクロ電子基板内の前記トレンチ開口に対向する前記トレンチの端部にチャンバを形成することと、
前記チャンバおよび前記トレンチ内に誘電材料を堆積することと、
を含む方法。 - 前記マイクロ電子基板内に前記チャンバを形成することは、
前記トレンチの前記少なくとも1つのトレンチ側壁および底部にトレンチ側壁スペーサを堆積することと、
前記トレンチの底部に接する前記トレンチ側壁スペーサの一部を除去することにより、前記マイクロ電子基板の一部を露出させることと、
前記露出したマイクロ電子基板をエッチングすることにより、前記チャンバを形成することと、
を含む、請求項6に記載の方法。 - 前記トレンチの底部に接する前記トレンチ側壁スペーサの一部を除去することは、前記トレンチ側壁スペーサに非等方性エッチングを施すことを含む、請求項7に記載の方法。
- マイクロ電子基板を提供することは、シリコン含有マイクロ電子基板を提供することを含む、請求項7に記載の方法。
- 前記露出したマイクロ電子基板をエッチングすることは、前記露出したマイクロ電子基板に選択的な等方性シリコンエッチングを施すこと含む、請求項9に記載の方法。
- 前記露出したマイクロ電子基板に選択的な等方性シリコンエッチングを施すことは、前記マイクロ電子基板をプラズマエッチングすることを含む、請求項10に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/390,921 US20070224775A1 (en) | 2006-03-27 | 2006-03-27 | Trench isolation structure having an expanded portion thereof |
US11/390,921 | 2006-03-27 | ||
PCT/US2007/064271 WO2007114999A1 (en) | 2006-03-27 | 2007-03-19 | Trench isolation structure having an expanded portion thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009526384A true JP2009526384A (ja) | 2009-07-16 |
JP5145247B2 JP5145247B2 (ja) | 2013-02-13 |
Family
ID=38534016
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008553556A Expired - Fee Related JP5145247B2 (ja) | 2006-03-27 | 2007-03-19 | トレンチアイソレーション構造を製造する方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20070224775A1 (ja) |
JP (1) | JP5145247B2 (ja) |
KR (1) | KR20080106319A (ja) |
CN (1) | CN101410966A (ja) |
DE (1) | DE112007000751T5 (ja) |
GB (1) | GB2448630A (ja) |
TW (1) | TW200810011A (ja) |
WO (1) | WO2007114999A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW200901368A (en) * | 2007-06-23 | 2009-01-01 | Promos Technologies Inc | Shallow trench isolation structure and method for forming thereof |
CN101459066B (zh) * | 2007-12-13 | 2010-08-11 | 中芯国际集成电路制造(上海)有限公司 | 栅极、浅沟槽隔离区形成方法及硅基材刻蚀表面的平坦化方法 |
CN101996922B (zh) * | 2009-08-13 | 2013-09-04 | 上海丽恒光微电子科技有限公司 | Soi晶片及其形成方法 |
CN102315152A (zh) * | 2010-07-01 | 2012-01-11 | 中国科学院微电子研究所 | 一种隔离区、半导体器件及其形成方法 |
US8927387B2 (en) * | 2012-04-09 | 2015-01-06 | International Business Machines Corporation | Robust isolation for thin-box ETSOI MOSFETS |
US11764215B2 (en) * | 2021-03-31 | 2023-09-19 | Taiwan Semiconductor Manufacturing Company, Ltd. | Semiconductor devices and methods of manufacture |
US11942398B2 (en) * | 2021-08-30 | 2024-03-26 | Taiwan Semiconductor Manufacturing Company, Ltd. | Semiconductor device having at least one via including concave portions on sidewall |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5743438A (en) * | 1980-08-29 | 1982-03-11 | Toshiba Corp | Semiconductor device and manufacture thereof |
JPS60150644A (ja) * | 1984-01-18 | 1985-08-08 | Toshiba Corp | 相補型半導体装置及びその製造方法 |
JP2002043413A (ja) * | 2000-07-25 | 2002-02-08 | Toshiba Corp | 半導体装置及び半導体装置の製造方法 |
JP2002270684A (ja) * | 2001-01-25 | 2002-09-20 | Chartered Semiconductor Mfg Ltd | 多量にドーピングしたシリコンを除去するためにミクロ機械加工技術を用いて風船形の浅いトレンチ分離を形成する方法 |
JP2002319638A (ja) * | 2001-04-23 | 2002-10-31 | Toshiba Corp | 半導体記憶装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4666556A (en) * | 1986-05-12 | 1987-05-19 | International Business Machines Corporation | Trench sidewall isolation by polysilicon oxidation |
SG68630A1 (en) * | 1996-10-18 | 1999-11-16 | Eg & G Int | Isolation process for surface micromachined sensors and actuators |
KR100226488B1 (ko) * | 1996-12-26 | 1999-10-15 | 김영환 | 반도체 소자 격리구조 및 그 형성방법 |
TW332915B (en) * | 1997-06-24 | 1998-06-01 | Ti Acer Co Ltd | The producing method for shallow trench isolation with global planarization |
US6265302B1 (en) * | 1999-07-12 | 2001-07-24 | Chartered Semiconductor Manufacturing Ltd. | Partially recessed shallow trench isolation method for fabricating borderless contacts |
US6583488B1 (en) * | 2001-03-26 | 2003-06-24 | Advanced Micro Devices, Inc. | Low density, tensile stress reducing material for STI trench fill |
US6498069B1 (en) * | 2001-10-17 | 2002-12-24 | Semiconductor Components Industries Llc | Semiconductor device and method of integrating trench structures |
US6653204B1 (en) * | 2003-02-14 | 2003-11-25 | United Microelectronics Corp. | Method of forming a shallow trench isolation structure |
US7935602B2 (en) * | 2005-06-28 | 2011-05-03 | Micron Technology, Inc. | Semiconductor processing methods |
-
2006
- 2006-03-27 US US11/390,921 patent/US20070224775A1/en not_active Abandoned
-
2007
- 2007-03-19 CN CNA2007800107030A patent/CN101410966A/zh active Pending
- 2007-03-19 JP JP2008553556A patent/JP5145247B2/ja not_active Expired - Fee Related
- 2007-03-19 DE DE112007000751T patent/DE112007000751T5/de not_active Withdrawn
- 2007-03-19 KR KR1020087023677A patent/KR20080106319A/ko not_active Application Discontinuation
- 2007-03-19 WO PCT/US2007/064271 patent/WO2007114999A1/en active Application Filing
- 2007-03-20 TW TW096109577A patent/TW200810011A/zh unknown
-
2008
- 2008-07-11 GB GB0812726A patent/GB2448630A/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5743438A (en) * | 1980-08-29 | 1982-03-11 | Toshiba Corp | Semiconductor device and manufacture thereof |
JPS60150644A (ja) * | 1984-01-18 | 1985-08-08 | Toshiba Corp | 相補型半導体装置及びその製造方法 |
JP2002043413A (ja) * | 2000-07-25 | 2002-02-08 | Toshiba Corp | 半導体装置及び半導体装置の製造方法 |
JP2002270684A (ja) * | 2001-01-25 | 2002-09-20 | Chartered Semiconductor Mfg Ltd | 多量にドーピングしたシリコンを除去するためにミクロ機械加工技術を用いて風船形の浅いトレンチ分離を形成する方法 |
JP2002319638A (ja) * | 2001-04-23 | 2002-10-31 | Toshiba Corp | 半導体記憶装置 |
Also Published As
Publication number | Publication date |
---|---|
DE112007000751T5 (de) | 2009-01-29 |
GB0812726D0 (en) | 2008-08-20 |
US20070224775A1 (en) | 2007-09-27 |
CN101410966A (zh) | 2009-04-15 |
KR20080106319A (ko) | 2008-12-04 |
WO2007114999A1 (en) | 2007-10-11 |
JP5145247B2 (ja) | 2013-02-13 |
TW200810011A (en) | 2008-02-16 |
GB2448630A (en) | 2008-10-22 |
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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