JP4690120B2 - 半導体装置及びその製造方法 - Google Patents
半導体装置及びその製造方法 Download PDFInfo
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- JP4690120B2 JP4690120B2 JP2005180427A JP2005180427A JP4690120B2 JP 4690120 B2 JP4690120 B2 JP 4690120B2 JP 2005180427 A JP2005180427 A JP 2005180427A JP 2005180427 A JP2005180427 A JP 2005180427A JP 4690120 B2 JP4690120 B2 JP 4690120B2
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- silicide
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0165—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs the components including complementary IGFETs, e.g. CMOS devices
- H10D84/0172—Manufacturing their gate conductors
- H10D84/0177—Manufacturing their gate conductors the gate conductors having different materials or different implants
-
- 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]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/01—Manufacture or treatment
- H10D64/011—Manufacture or treatment of electrodes ohmically coupled to a semiconductor
- H10D64/0111—Manufacture or treatment of electrodes ohmically coupled to a semiconductor to Group IV semiconductors
- H10D64/0112—Manufacture or treatment of electrodes ohmically coupled to a semiconductor to Group IV semiconductors using conductive layers comprising silicides
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/01—Manufacture or treatment
- H10D64/013—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator
- H10D64/01302—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator the insulator being formed after the semiconductor body, the semiconductor being silicon
- H10D64/01304—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor
- H10D64/01306—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon
- H10D64/01308—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon the conductor further comprising a non-elemental silicon additional conductive layer, e.g. a metal silicide layer formed by the reaction of silicon with an implanted metal
- H10D64/01312—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon the conductor further comprising a non-elemental silicon additional conductive layer, e.g. a metal silicide layer formed by the reaction of silicon with an implanted metal the additional layer comprising a metal or metal silicide formed by deposition, i.e. without a silicidation reaction, e.g. sputter deposition
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/60—Electrodes characterised by their materials
- H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
- H10D64/661—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation
- H10D64/662—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation the conductor further comprising additional layers, e.g. multiple silicon layers having different crystal structures
- H10D64/663—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation the conductor further comprising additional layers, e.g. multiple silicon layers having different crystal structures the additional layers comprising a silicide layer contacting the layer of silicon, e.g. polycide gates
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0165—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs the components including complementary IGFETs, e.g. CMOS devices
- H10D84/0172—Manufacturing their gate conductors
- H10D84/0174—Manufacturing their gate conductors the gate conductors being silicided
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/02—Manufacture or treatment characterised by using material-based technologies
- H10D84/03—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology
- H10D84/038—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology using silicon technology, e.g. SiGe
Landscapes
- Electrodes Of Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Description
101 素子分離絶縁膜
102n ウェル
102p ウェル
103 ゲート酸化膜
104 シリコン層
104n N型シリコン層
104p P型シリコン層
105(105s,105g) WSi2層
106 シリコン膜
107 WN層
108 W層
109 キャップ絶縁膜
110 側面酸化膜
10n 型ポリメタルゲート電極
10p 型ポリメタルゲート電極
111n N型ソース・ドレイン拡散層
111p P型ソース・ドレイン拡散層
112 サイドウォール絶縁膜
20 シリサイド層
30 WSiN層
Claims (15)
- Nチャネルトランジスタ形成領域とPチャネルトランジスタ形成領域とを有する半導体基板と、
前記半導体基板の前記Nチャネルトランジスタ形成領域上に設けられた第1のゲート電極と、
前記半導体基板の前記Pチャネルトランジスタ形成領域上に設けられた第2のゲート電極とを有し、
前記第1のゲート電極が、N型不純物を含むN型シリコン層と、前記N型シリコン層上に形成された第1のシリサイド層と、前記第1のシリサイド層上に形成された第1のシリコン膜と、前記第1のシリコン膜上に形成された第1の金属窒化層と、前記第1の金属窒化層上に形成された第1の金属層とを備え、
前記第2のゲート電極が、P型不純物を含むP型シリコン層と、前記P型シリコン層上に形成され複数の粒状のシリサイドが前記半導体基板の表面と平行な方向に不連続に配置されてなる第2のシリサイド層と、第2のシリサイド層の前記不連続部分に露出した前記P型シリコン層の表面及び前記第2のシリサイド層の表面上に連続的に形成された第2のシリコン膜と、前記第2のシリコン膜上に形成された第2の金属窒化層と、前記第2の金属窒化層上に形成された第2の金属層とを備えることを特徴とする半導体装置。 - 前記第1及び第2のシリコン膜がノンドープであることを特徴とする請求項1に記載の半導体装置。
- 前記シリサイド層、前記金属窒化層及び前記金属層が同一の高融点金属を含むことを特徴とする請求項1又は2に記載の半導体装置。
- 前記高融点金属が、タングステン(W)、コバルト(Co)、チタン(Ti)、ニッケル(Ni)及びタンタル(Ta)のいずれかであることを特徴とする請求項1乃至3のいずれか一項に記載の半導体装置。
- 前記P型不純物がボロン(B)であることを特徴とする請求項1乃至4のいずれか一項に記載の半導体装置。
- 半導体基板のNチャネルトランジスタ形成領域上にN型不純物を含むN型シリコン層を形成し、前記半導体基板のPチャネルトランジスタ形成領域上にP型不純物を含むP型シリコン層を形成する第1の工程と、
前記N型シリコン層上に第1のシリサイド層を形成し、前記P型シリコン層上に複数の粒状のシリサイドが前記半導体基板の表面と平行な方向に不連続に配置されてなる第2のシリサイド層を形成する第2の工程と、
前記第1のシリサイド層上、前記第2のシリサイド層の前記不連続部分に露出した前記P型シリコン層の表面及び前記第2のシリサイド層の表面上に連続的なシリコン膜を形成する第3の工程と、
前記シリコン膜上に金属窒化層を形成する第4の工程と、
前記金属窒化層上に金属層を形成する第5の工程と、
前記金属層、前記金属窒化層、前記シリコン膜、前記第1のシリサイド層、前記第2のシリサイド層、前記N型シリコン層及び前記P型シリコン層をパターニングして、前記Nチャネルトランジスタ形成領域に前記N型シリコン層を含む第1のゲート電極を、前記Pチャネルトランジスタ形成領域に前記P型シリコン層を含む第2のゲート電極をそれぞれ形成する第6の工程とを備えることを特徴とする半導体装置の製造方法。 - 前記シリコン膜がノンドープであることを特徴とする請求項6に記載の半導体装置の製造方法。
- 前記第3の工程で形成される前記シリコン膜の膜厚が0.3〜1.5nmであることを特徴とする請求項6又は7に記載の半導体装置の製造方法。
- 前記シリコン膜は、CVD法により50〜300Paの圧力下で堆積されることを特徴とする請求項6乃至8のいずれか一項に記載の半導体装置の製造方法。
- 前記シリコン膜の堆積は5〜120sec行われることを特徴とする請求項9に記載の半導体装置の製造方法。
- 前記第4の工程の前に、前記第3の工程において前記第1及び第2のシリサイド層に含まれた残留ガスを除去するための熱処理を行うことを特徴とする請求項6乃至10のいずれか一項に記載の半導体装置の製造方法。
- 前記熱処理によって、前記シリコン膜の少なくとも前記第1及び第2のシリサイド層との界面部がシリサイド化することを特徴とする請求項11に記載の半導体装置の製造方法。
- 前記第1のシリサイド層、前記第2のシリサイド層、前記金属窒化層及び前記金属層が同一の高融点金属を含むことを特徴とする請求項6乃至12のいずれか一項に記載の半導体装置の製造方法。
- 前記高融点金属が、タングステン(W)、コバルト(Co)、チタン(Ti)、ニッケル(Ni)及びタンタル(Ta)のいずれかであることを特徴とする請求項13に記載の半導体装置の製造方法。
- 前記P型不純物がボロン(B)であることを特徴とする請求項6乃至14のいずれか一項に記載の半導体装置の製造方法。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005180427A JP4690120B2 (ja) | 2005-06-21 | 2005-06-21 | 半導体装置及びその製造方法 |
| CNB2006100925046A CN100454546C (zh) | 2005-06-21 | 2006-06-14 | 半导体器件及其制造方法 |
| TW095121715A TWI318451B (en) | 2005-06-21 | 2006-06-16 | Semiconductor device and manufacturing method thereof |
| KR1020060055428A KR100758112B1 (ko) | 2005-06-21 | 2006-06-20 | 반도체 장치 및 그 제조 방법 |
| US11/471,680 US7504698B2 (en) | 2005-06-21 | 2006-06-21 | Semiconductor device and manufacturing method thereof |
| US12/364,801 US7919405B2 (en) | 2005-06-21 | 2009-02-03 | Semiconductor device and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005180427A JP4690120B2 (ja) | 2005-06-21 | 2005-06-21 | 半導体装置及びその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2007005355A JP2007005355A (ja) | 2007-01-11 |
| JP4690120B2 true JP4690120B2 (ja) | 2011-06-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005180427A Expired - Fee Related JP4690120B2 (ja) | 2005-06-21 | 2005-06-21 | 半導体装置及びその製造方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US7504698B2 (ja) |
| JP (1) | JP4690120B2 (ja) |
| KR (1) | KR100758112B1 (ja) |
| CN (1) | CN100454546C (ja) |
| TW (1) | TWI318451B (ja) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7390754B2 (en) * | 2006-07-20 | 2008-06-24 | United Microelectronics Corp. | Method of forming a silicide |
| DE102007045074B4 (de) * | 2006-12-27 | 2009-06-18 | Hynix Semiconductor Inc., Ichon | Halbleiterbauelement mit Gatestapelstruktur |
| KR100844940B1 (ko) * | 2006-12-27 | 2008-07-09 | 주식회사 하이닉스반도체 | 다중 확산방지막을 구비한 반도체소자 및 그의 제조 방법 |
| KR20130116099A (ko) * | 2012-04-13 | 2013-10-23 | 삼성전자주식회사 | 반도체 장치 및 그 제조 방법 |
| US9401279B2 (en) | 2013-06-14 | 2016-07-26 | Sandisk Technologies Llc | Transistor gate and process for making transistor gate |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4389257A (en) * | 1981-07-30 | 1983-06-21 | International Business Machines Corporation | Fabrication method for high conductivity, void-free polysilicon-silicide integrated circuit electrodes |
| JPH06112477A (ja) * | 1992-09-28 | 1994-04-22 | Toshiba Corp | 半導体装置およびその製造方法 |
| JPH11233451A (ja) | 1997-10-07 | 1999-08-27 | Texas Instr Inc <Ti> | 安定した低抵抗のポリ・メタル・ゲート電極を製造するためのcvdに基くプロセス |
| JP4651848B2 (ja) * | 2000-07-21 | 2011-03-16 | ルネサスエレクトロニクス株式会社 | 半導体装置およびその製造方法並びにcmosトランジスタ |
| KR100351907B1 (ko) * | 2000-11-17 | 2002-09-12 | 주식회사 하이닉스반도체 | 반도체 소자의 게이트 전극 형성방법 |
| JP3781666B2 (ja) * | 2001-11-29 | 2006-05-31 | エルピーダメモリ株式会社 | ゲート電極の形成方法及びゲート電極構造 |
| JP2004087877A (ja) * | 2002-08-28 | 2004-03-18 | Fujitsu Ltd | 電界効果型半導体装置及びその製造方法 |
| JP4275395B2 (ja) * | 2002-12-11 | 2009-06-10 | 株式会社ルネサステクノロジ | 半導体装置の製造方法 |
| JP4191000B2 (ja) * | 2003-10-06 | 2008-12-03 | エルピーダメモリ株式会社 | 半導体装置及びその製造方法 |
| JP5063913B2 (ja) * | 2005-04-04 | 2012-10-31 | 三星電子株式会社 | 多層ゲート構造を備える半導体素子及びそれの製造方法 |
| US7439176B2 (en) * | 2005-04-04 | 2008-10-21 | Samsung Electronics Co., Ltd. | Semiconductor device multilayer structure, fabrication method for the same, semiconductor device having the same, and semiconductor device fabrication method |
-
2005
- 2005-06-21 JP JP2005180427A patent/JP4690120B2/ja not_active Expired - Fee Related
-
2006
- 2006-06-14 CN CNB2006100925046A patent/CN100454546C/zh not_active Expired - Fee Related
- 2006-06-16 TW TW095121715A patent/TWI318451B/zh not_active IP Right Cessation
- 2006-06-20 KR KR1020060055428A patent/KR100758112B1/ko not_active Expired - Fee Related
- 2006-06-21 US US11/471,680 patent/US7504698B2/en not_active Expired - Fee Related
-
2009
- 2009-02-03 US US12/364,801 patent/US7919405B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2007005355A (ja) | 2007-01-11 |
| KR100758112B1 (ko) | 2007-09-11 |
| US20060284264A1 (en) | 2006-12-21 |
| TW200707709A (en) | 2007-02-16 |
| KR20060133914A (ko) | 2006-12-27 |
| US20090142913A1 (en) | 2009-06-04 |
| TWI318451B (en) | 2009-12-11 |
| US7504698B2 (en) | 2009-03-17 |
| CN1885546A (zh) | 2006-12-27 |
| US7919405B2 (en) | 2011-04-05 |
| CN100454546C (zh) | 2009-01-21 |
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