JP5103666B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP5103666B2 JP5103666B2 JP2009554204A JP2009554204A JP5103666B2 JP 5103666 B2 JP5103666 B2 JP 5103666B2 JP 2009554204 A JP2009554204 A JP 2009554204A JP 2009554204 A JP2009554204 A JP 2009554204A JP 5103666 B2 JP5103666 B2 JP 5103666B2
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- 239000004065 semiconductor Substances 0.000 title claims description 43
- 239000010410 layer Substances 0.000 claims description 90
- 239000011229 interlayer Substances 0.000 claims description 68
- 229910052760 oxygen Inorganic materials 0.000 claims description 34
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 32
- 239000001301 oxygen Substances 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 23
- 229910052715 tantalum Inorganic materials 0.000 claims description 19
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 19
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 5
- 239000010936 titanium Substances 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 5
- 229910052721 tungsten Inorganic materials 0.000 claims description 5
- 239000010937 tungsten Substances 0.000 claims description 5
- 239000010408 film Substances 0.000 description 162
- 239000010949 copper Substances 0.000 description 52
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 51
- 229910052802 copper Inorganic materials 0.000 description 51
- 238000004519 manufacturing process Methods 0.000 description 32
- 238000000034 method Methods 0.000 description 19
- 230000004888 barrier function Effects 0.000 description 18
- 229910052751 metal Inorganic materials 0.000 description 17
- 239000002184 metal Substances 0.000 description 17
- 101001010591 Homo sapiens Interleukin-20 Proteins 0.000 description 16
- 102100030692 Interleukin-20 Human genes 0.000 description 16
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- 150000004767 nitrides Chemical class 0.000 description 13
- 230000015572 biosynthetic process Effects 0.000 description 12
- 101710190981 50S ribosomal protein L6 Proteins 0.000 description 10
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 230000008018 melting Effects 0.000 description 9
- 238000002844 melting Methods 0.000 description 9
- NBAOBNBFGNQAEJ-UHFFFAOYSA-M tetramethylrhodamine ethyl ester perchlorate Chemical compound [O-]Cl(=O)(=O)=O.CCOC(=O)C1=CC=CC=C1C1=C2C=CC(=[N+](C)C)C=C2OC2=CC(N(C)C)=CC=C21 NBAOBNBFGNQAEJ-UHFFFAOYSA-M 0.000 description 9
- 230000035882 stress Effects 0.000 description 8
- 102000026659 IL10 Human genes 0.000 description 7
- 108090000174 Interleukin-10 Proteins 0.000 description 7
- 229910004298 SiO 2 Inorganic materials 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
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- 101000852998 Homo sapiens Interleukin-27 subunit alpha Proteins 0.000 description 6
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- 102000026633 IL6 Human genes 0.000 description 6
- 102100036678 Interleukin-27 subunit alpha Human genes 0.000 description 6
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- 238000005530 etching Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 239000010941 cobalt Substances 0.000 description 5
- 229910017052 cobalt Inorganic materials 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 238000007689 inspection Methods 0.000 description 5
- 238000002955 isolation Methods 0.000 description 5
- 239000007769 metal material Substances 0.000 description 5
- 229910021332 silicide Inorganic materials 0.000 description 5
- 238000009966 trimming Methods 0.000 description 5
- 238000002161 passivation Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
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- 230000005294 ferromagnetic effect Effects 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000005291 magnetic effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 101100118093 Drosophila melanogaster eEF1alpha2 gene Proteins 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 150000002736 metal compounds Chemical class 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910003321 CoFe Inorganic materials 0.000 description 1
- 229910019236 CoFeB Inorganic materials 0.000 description 1
- 101001057156 Homo sapiens Melanoma-associated antigen C2 Proteins 0.000 description 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 102100027252 Melanoma-associated antigen C2 Human genes 0.000 description 1
- -1 NF3 nitride Chemical class 0.000 description 1
- 229910018557 Si O Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
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- 238000007664 blowing Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
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- 230000008021 deposition Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229910001936 tantalum oxide Inorganic materials 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/525—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body with adaptable interconnections
- H01L23/5256—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body with adaptable interconnections comprising fuses, i.e. connections having their state changed from conductive to non-conductive
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Design And Manufacture Of Integrated Circuits (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Semiconductor Integrated Circuits (AREA)
- Hall/Mr Elements (AREA)
- Mram Or Spin Memory Techniques (AREA)
Description
T. Ueda et.Al., "A Novel Cu Electrical Fuse Structure and Blowing Scheme utilizing Crack-assisted Mode for 90-45nm-node and beyond, VLSI symp.2006,pp.174-175.
まず、本実施の形態の電気ヒューズ構造体を具体的に説明する。まず、図1を参照して、本実施の形態の電気ヒューズEF1が設けられた電子回路の構成について説明する。なお、図1は、本実施の電気ヒューズEF1が設けられた電子回路の構成を示す回路図である。
次に、図10を参照して、本実施の形態の電気ヒューズ構造体を具体的に説明する。なお、図10は、上記図2中のIII−III線矢視断面に相当する断面図である。上記実施の形態1において示した電気ヒューズ構造体は、電気ヒューズEF1が、Low−k部材の下部絶縁層DIL1およびSiO2部材の上部絶縁層UIL1により完全に覆われた状態となっている。
次に、図13から図36を参照して、本実施の形態の電気ヒューズ構造体を採用した半導体装置であるMRAM(磁気抵抗ランダムアクセスメモリ:Magneto resistive Random Access Memory)について説明する。なお、図13は、MRAMのメモリセル部および電気ヒューズFE1の平面構造を示す平面図であり、図14の(A)は、図13中のA−A断面、図14の(B)は、図13中のB−B断面を示す図である。
次に、図16〜図36を参照して、上記MRAMの製造方法を説明する。これらの図において、(A)は図13中のA−A断面、(B)は図13中のB−B断面に相当する。以下、これらの図を参照して、本実施の形態のMRAMの製造方法を説明する。
本実施の形態においては、上記実施の形態1から3に示した電気ヒューズを有する回路を含む半導体装置の半導体ウエハから樹脂封止までの工程を、図37を参照しながら説明する。
Claims (5)
- 導電材料で構成された電気ヒューズと、
前記電気ヒューズに接するように配設される酸化絶縁層と、を備え、
前記電気ヒューズは、少なくともその一部に、前記酸化絶縁層から酸素を取り入れることにより、酸化される前よりも高抵抗化された領域を有し、
前記電気ヒューズの近傍領域には、エアギャップを有する前記酸化絶縁層が配設される、半導体装置。 - 導電材料で構成された電気ヒューズと、
前記電気ヒューズに接するように配設される酸化絶縁層と、を備え、
前記電気ヒューズは、少なくともその一部に、前記酸化絶縁層から酸素を取り入れることにより、酸化される前よりも高抵抗化された領域を有する半導体装置であって、
当該半導体装置は、
下部層間絶縁膜、この下部層間絶縁膜の上に設けられる下部電極、この下部電極の上の一部に設けられるトンネル磁気抵抗膜、および、このトンネル磁気抵抗膜の上に設けられる上部電極の積層構造からなるメモリセルと、
前記メモリセルを覆うように設けられる上部層間絶縁膜と、を有し、
前記上部層間絶縁膜および前記下部層間絶縁膜は、前記酸化絶縁層からなり、
前記電気ヒューズは、前記下部電極と同一材料からなる、半導体装置。 - 前記電気ヒューズの前記高抵抗化された領域は、前記電気ヒューズに電流を印加することにより、前記電気ヒューズが高温状態となり、加熱された前記酸化絶縁層から酸素が放出され、前記酸素が前記電気ヒューズと結合した領域である、請求項1または2に記載の半導体装置。
- 前記電気ヒューズに接続され、前記電気ヒューズに高抵抗化された領域を形成するため、前記電気ヒューズに電流を流すための制御回路をさらに含む、請求項1または2に記載の半導体装置。
- 前記導電材料は、タンタル、チタン、および、タングステンの中から1または複数選ばれた材料であり、
前記酸化絶縁層はLow−k材料である、請求項1または2に記載の半導体装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009554204A JP5103666B2 (ja) | 2008-02-21 | 2008-12-25 | 半導体装置 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008040025 | 2008-02-21 | ||
JP2008040025 | 2008-02-21 | ||
PCT/JP2008/073507 WO2009104343A1 (ja) | 2008-02-21 | 2008-12-25 | 半導体装置および半導体装置の製造方法 |
JP2009554204A JP5103666B2 (ja) | 2008-02-21 | 2008-12-25 | 半導体装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2009104343A1 JPWO2009104343A1 (ja) | 2011-06-16 |
JP5103666B2 true JP5103666B2 (ja) | 2012-12-19 |
Family
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JP2009554204A Expired - Fee Related JP5103666B2 (ja) | 2008-02-21 | 2008-12-25 | 半導体装置 |
Country Status (2)
Country | Link |
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JP (1) | JP5103666B2 (ja) |
WO (1) | WO2009104343A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6150519B2 (ja) * | 2012-12-27 | 2017-06-21 | キヤノン株式会社 | インクジェット記録ヘッド用基板、インクジェット記録ヘッド、インクジェット記録ヘッドの製造方法、インクジェット記録装置、およびインクジェット記録ヘッド用基板における個別部分と他の個別部分との電気的分離方法 |
US9240547B2 (en) * | 2013-09-10 | 2016-01-19 | Micron Technology, Inc. | Magnetic tunnel junctions and methods of forming magnetic tunnel junctions |
JP2021174782A (ja) | 2020-04-17 | 2021-11-01 | 富士電機株式会社 | 半導体装置及びその製造方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004335608A (ja) * | 2003-05-02 | 2004-11-25 | Sony Corp | 半導体装置 |
JP2007073576A (ja) * | 2005-09-05 | 2007-03-22 | Fujitsu Ltd | ヒューズ素子及びその切断方法 |
JP2007088349A (ja) * | 2005-09-26 | 2007-04-05 | Fujitsu Ltd | 不揮発性半導体記憶装置及びその書き込み方法 |
JP2007109803A (ja) * | 2005-10-12 | 2007-04-26 | Freescale Semiconductor Inc | トリミング回路、電子回路及びトリミング制御システム |
JP2008034838A (ja) * | 2006-07-07 | 2008-02-14 | Semiconductor Energy Lab Co Ltd | ヒューズメモリを搭載した半導体装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3264327B2 (ja) * | 1999-04-27 | 2002-03-11 | 日本電気株式会社 | 半導体装置及び半導体装置の製造方法 |
JP2003060172A (ja) * | 2001-08-20 | 2003-02-28 | Sony Corp | 磁気記憶素子 |
-
2008
- 2008-12-25 WO PCT/JP2008/073507 patent/WO2009104343A1/ja active Application Filing
- 2008-12-25 JP JP2009554204A patent/JP5103666B2/ja not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004335608A (ja) * | 2003-05-02 | 2004-11-25 | Sony Corp | 半導体装置 |
JP2007073576A (ja) * | 2005-09-05 | 2007-03-22 | Fujitsu Ltd | ヒューズ素子及びその切断方法 |
JP2007088349A (ja) * | 2005-09-26 | 2007-04-05 | Fujitsu Ltd | 不揮発性半導体記憶装置及びその書き込み方法 |
JP2007109803A (ja) * | 2005-10-12 | 2007-04-26 | Freescale Semiconductor Inc | トリミング回路、電子回路及びトリミング制御システム |
JP2008034838A (ja) * | 2006-07-07 | 2008-02-14 | Semiconductor Energy Lab Co Ltd | ヒューズメモリを搭載した半導体装置 |
Also Published As
Publication number | Publication date |
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WO2009104343A1 (ja) | 2009-08-27 |
JPWO2009104343A1 (ja) | 2011-06-16 |
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