JP2005166796A - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP2005166796A JP2005166796A JP2003401466A JP2003401466A JP2005166796A JP 2005166796 A JP2005166796 A JP 2005166796A JP 2003401466 A JP2003401466 A JP 2003401466A JP 2003401466 A JP2003401466 A JP 2003401466A JP 2005166796 A JP2005166796 A JP 2005166796A
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 84
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 17
- 239000000758 substrate Substances 0.000 claims description 12
- 108091006146 Channels Proteins 0.000 description 54
- 239000000969 carrier Substances 0.000 description 15
- 229920005591 polysilicon Polymers 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 229910052814 silicon oxide Inorganic materials 0.000 description 7
- 239000000370 acceptor Substances 0.000 description 6
- 230000005684 electric field Effects 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000001039 wet etching Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005283 ground state Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 102000004129 N-Type Calcium Channels Human genes 0.000 description 1
- 108090000699 N-Type Calcium Channels Proteins 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000002772 conduction electron Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000005036 potential barrier Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/80—Field effect transistors with field effect produced by a PN or other rectifying junction gate, i.e. potential-jump barrier
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7827—Vertical transistors
- H01L29/7828—Vertical transistors without inversion channel, e.g. vertical ACCUFETs, normally-on vertical MISFETs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/417—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions carrying the current to be rectified, amplified or switched
- H01L29/41725—Source or drain electrodes for field effect devices
- H01L29/41741—Source or drain electrodes for field effect devices for vertical or pseudo-vertical devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42356—Disposition, e.g. buried gate electrode
- H01L29/4236—Disposition, e.g. buried gate electrode within a trench, e.g. trench gate electrode, groove gate electrode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42372—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the conducting layer, e.g. the length, the sectional shape or the lay-out
- H01L29/4238—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the conducting layer, e.g. the length, the sectional shape or the lay-out characterised by the surface lay-out
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/4916—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET the conductor material next to the insulator being a silicon layer, e.g. polysilicon doped with boron, phosphorus or nitrogen
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Electrodes Of Semiconductors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Junction Field-Effect Transistors (AREA)
- Semiconductor Integrated Circuits (AREA)
Abstract
【解決手段】 本発明の半導体装置では、主電流が流れる主配線部24の一端241の配線幅W1を、主配線部24の他端242の配線幅W2より広く形成する。そして、主配線部24の配線幅は、一端241から他端242へと徐々に狭まるように形成される。そのことで、主電流が流れる電極パッド部22の近傍に位置するセルと遠方に位置するセルとにおける、駆動電圧の差を低減できる。その結果、本発明では、主配線部24での電圧降下を抑止し、素子内のセルの均一動作を実現できる。
【選択図】 図4
Description
2、52 エピタキシャル層
3、53 ドレイン領域
4、54 ソース領域
5、55 固定電位絶縁電極
6、56 絶縁膜
7、57 トレンチ
8、58 チャネル領域
9、59 ゲート領域
10、11、60、61 Al層
12、62 シリコン酸化膜
13、14、15 コンタクト領域
21、31 半導体素子
22、32 ソース電極パッド部
23、33 ソース電極配線層
24、34 ソース電極主配線部
241、341 ソース電極主配線部の一端
242、342 ソース電極主配線部の他端
25、35 ソース電極枝配線部
26、36 ゲート電極パッド部
27、37 ゲート電極配線層
28、38 ゲート電極主配線部
29、39 ゲート電極枝配線部
63 軸部
Claims (10)
- 複数のセルが形成される半導体層と、
該半導体層の主表面に露出する複数の電流通過領域及び制御領域と、
前記主表面上で、前記電流通過領域と電気的に接続する第1配線層と、
前記主表面上で、前記第1配線層と電気的に接続する電流通過電極パッド部とを有し、
前記第1配線層は第1主配線部及び該第1主配線部から一方向へと延在する複数の第1枝配線部とから成り、前記第1主配線部の配線幅は前記第1枝配線部の配線幅よりも広いことを特徴とする半導体装置。 - 前記第1主配線部の一端は前記通過電極パッド部と接続し、前記第1主配線部の一端の配線幅は、前記第1主配線部の他端の配線幅よりも広いことを特徴とする請求項1に記載の半導体装置。
- 前記第1主配線部は、前記一端から前記他端へとその配線幅を狭めながら延在していることを特徴とする請求項2に記載の半導体装置。
- 前記半導体層は前記セルが形成される実動作領域と非実動作領域とから成り、前記第1主配線部は前記非実動作領域の主表面上に配置されていることを特徴とする請求項1から請求項3のいずれかに記載の半導体装置。
- 前記制御領域と電気的に接続する第2配線層とを有し、
前記第2配線層は第2主配線部及び該第2主配線部から一方向へと延在する複数の第2枝配線部とから成り、前記第1枝配線部と前記第2枝配線部とは交互に配置されていることを特徴とする請求項4に記載の半導体装置。 - ドレイン領域を構成する一導電型の半導体基板及び該基板表面に積層される一導電型のエピタキシャル層と、
実質、等間隔をなして互いに平行になるように、前記エピタキシャル層表面から形成された複数のトレンチと、
前記トレンチの内壁には絶縁膜が形成され、前記絶縁膜を覆うように前記トレンチ内を充填する逆導電型の多結晶シリコンから成る固定電位絶縁電極と、
前記トレンチ間に位置し、前記固定電位絶縁電極と同電位に保たれる一導電型のソース領域と、
前記ソース領域と離間され、少なくとも前記絶縁膜とその一部を隣接するように配置されるゲート領域と、
前記固定電位絶縁電極間に位置し、少なくとも前記ソース領域の下方に位置するチャネル領域とを具備し、
前記エピタキシャル層表面上で、前記ソース領域と電気的に接続するソース電極配線層は、ソース電極主配線部及び該ソース電極主配線部から一方向へと延在する複数のソース電極枝配線部とから成り、前記ソース電極主配線部の配線幅は前記ソース電極枝配線部の配線幅よりも広いことを特徴とする半導体装置。 - 前記ソース電極主配線部の一端はソース電極パッド部と接続し、前記ソース電極主配線部の一端の配線幅は、前記ソース電極主配線部の他端の配線幅よりも広いことを特徴とする請求項6に記載の半導体装置。
- 前記ソース電極主配線部は、前記一端から前記他端へとその配線幅を狭めながら延在していることを特徴とする請求項7に記載の半導体装置。
- 前記エピタキシャル層は実動作領域と非実動作領域とから成り、前記ソース電極主配線部は前記非実動作領域のエピタキシャル層表面上に配置されていることを特徴とする請求項6から請求項8のいずれかに記載の半導体装置。
- 前記エピタキシャル層表面上で、前記ゲート領域と電気的に接続するゲート電極配線層は、ゲート電極主配線部及び該ゲート電極主配線部から一方向へと延在する複数のゲート電極枝配線部とから成り、前記ソース電極枝配線部と前記ゲート電極枝配線部とは交互に配置されていることを特徴とする請求項9に記載の半導体装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003401466A JP4802306B2 (ja) | 2003-12-01 | 2003-12-01 | 半導体装置 |
TW093128147A TWI238534B (en) | 2003-12-01 | 2004-09-17 | Semiconductor device |
KR1020040074931A KR100628424B1 (ko) | 2003-12-01 | 2004-09-20 | 반도체 장치 |
CNB2004100120086A CN100372127C (zh) | 2003-12-01 | 2004-09-28 | 半导体装置 |
US10/968,354 US20050116283A1 (en) | 2003-12-01 | 2004-10-20 | Semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003401466A JP4802306B2 (ja) | 2003-12-01 | 2003-12-01 | 半導体装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005166796A true JP2005166796A (ja) | 2005-06-23 |
JP4802306B2 JP4802306B2 (ja) | 2011-10-26 |
Family
ID=34616709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003401466A Expired - Fee Related JP4802306B2 (ja) | 2003-12-01 | 2003-12-01 | 半導体装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20050116283A1 (ja) |
JP (1) | JP4802306B2 (ja) |
KR (1) | KR100628424B1 (ja) |
CN (1) | CN100372127C (ja) |
TW (1) | TWI238534B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018061009A (ja) * | 2016-09-30 | 2018-04-12 | ローム株式会社 | 半導体装置および半導体パッケージ |
US11557587B2 (en) | 2016-09-30 | 2023-01-17 | Rohm Co., Ltd. | Semiconductor device and semiconductor package |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4182986B2 (ja) * | 2006-04-19 | 2008-11-19 | トヨタ自動車株式会社 | 半導体装置とその製造方法 |
US7494933B2 (en) * | 2006-06-16 | 2009-02-24 | Synopsys, Inc. | Method for achieving uniform etch depth using ion implantation and a timed etch |
US20230352577A1 (en) * | 2022-04-04 | 2023-11-02 | Semiconductor Components Industries, Llc | Vertical shielded gate accumulation field effect transistor |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06350103A (ja) * | 1993-06-08 | 1994-12-22 | Toyota Autom Loom Works Ltd | 半導体装置 |
JPH11220125A (ja) * | 1998-02-03 | 1999-08-10 | Nissan Motor Co Ltd | 半導体装置 |
JP2001237426A (ja) * | 2001-01-29 | 2001-08-31 | Fuji Electric Co Ltd | 半導体装置 |
JP2002043521A (ja) * | 2000-07-25 | 2002-02-08 | Denso Corp | 半導体装置 |
JP2003282625A (ja) * | 2002-03-25 | 2003-10-03 | Ricoh Co Ltd | Mosトランジスタおよび該mosトランジスタを用いた電子装置 |
Family Cites Families (11)
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US4343015A (en) * | 1980-05-14 | 1982-08-03 | General Electric Company | Vertical channel field effect transistor |
JPS60140843A (ja) * | 1983-12-28 | 1985-07-25 | Fujitsu Ltd | ゲ−トアレイlsi |
JPH0821713B2 (ja) * | 1987-02-26 | 1996-03-04 | 株式会社東芝 | 導電変調型mosfet |
JPH0575131A (ja) * | 1991-09-17 | 1993-03-26 | Fuji Electric Co Ltd | 半導体素子 |
US5396097A (en) * | 1993-11-22 | 1995-03-07 | Motorola Inc | Transistor with common base region |
US5798554A (en) * | 1995-02-24 | 1998-08-25 | Consorzio Per La Ricerca Sulla Microelettronica Nel Mezzogiorno | MOS-technology power device integrated structure and manufacturing process thereof |
JPH10135237A (ja) * | 1996-10-31 | 1998-05-22 | Sanyo Electric Co Ltd | 化合物半導体装置 |
US5929468A (en) * | 1996-10-31 | 1999-07-27 | Sanyo Electric Co., Ltd. | Compound semiconductor device |
JPH11340455A (ja) * | 1998-05-21 | 1999-12-10 | Sanken Electric Co Ltd | 絶縁ゲート形電界効果トランジスタ素子 |
JP2002368193A (ja) * | 2001-06-08 | 2002-12-20 | Sanyo Electric Co Ltd | 化合物半導体スイッチ回路装置 |
JP4215495B2 (ja) * | 2002-01-10 | 2009-01-28 | 三洋電機株式会社 | 配線構造およびその製造方法ならびに配線構造を備えた半導体装置と配線基板 |
-
2003
- 2003-12-01 JP JP2003401466A patent/JP4802306B2/ja not_active Expired - Fee Related
-
2004
- 2004-09-17 TW TW093128147A patent/TWI238534B/zh not_active IP Right Cessation
- 2004-09-20 KR KR1020040074931A patent/KR100628424B1/ko not_active IP Right Cessation
- 2004-09-28 CN CNB2004100120086A patent/CN100372127C/zh not_active Expired - Fee Related
- 2004-10-20 US US10/968,354 patent/US20050116283A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06350103A (ja) * | 1993-06-08 | 1994-12-22 | Toyota Autom Loom Works Ltd | 半導体装置 |
JPH11220125A (ja) * | 1998-02-03 | 1999-08-10 | Nissan Motor Co Ltd | 半導体装置 |
JP2002043521A (ja) * | 2000-07-25 | 2002-02-08 | Denso Corp | 半導体装置 |
JP2001237426A (ja) * | 2001-01-29 | 2001-08-31 | Fuji Electric Co Ltd | 半導体装置 |
JP2003282625A (ja) * | 2002-03-25 | 2003-10-03 | Ricoh Co Ltd | Mosトランジスタおよび該mosトランジスタを用いた電子装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018061009A (ja) * | 2016-09-30 | 2018-04-12 | ローム株式会社 | 半導体装置および半導体パッケージ |
US11557587B2 (en) | 2016-09-30 | 2023-01-17 | Rohm Co., Ltd. | Semiconductor device and semiconductor package |
Also Published As
Publication number | Publication date |
---|---|
US20050116283A1 (en) | 2005-06-02 |
KR20050052985A (ko) | 2005-06-07 |
TWI238534B (en) | 2005-08-21 |
CN1624934A (zh) | 2005-06-08 |
CN100372127C (zh) | 2008-02-27 |
TW200520233A (en) | 2005-06-16 |
JP4802306B2 (ja) | 2011-10-26 |
KR100628424B1 (ko) | 2006-09-28 |
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