JP2005532691A - エッチング残渣除去用組成物、及び、その使用 - Google Patents
エッチング残渣除去用組成物、及び、その使用 Download PDFInfo
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- 238000005530 etching Methods 0.000 title claims abstract description 20
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000006172 buffering agent Substances 0.000 claims abstract description 5
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 29
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 claims description 28
- 239000002184 metal Substances 0.000 claims description 18
- 239000002253 acid Substances 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 17
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- 239000000463 material Substances 0.000 claims description 12
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- -1 tetrabutylammonium tetrafluoroborate Chemical compound 0.000 claims description 8
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- 239000010936 titanium Substances 0.000 claims description 6
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- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 5
- 239000012964 benzotriazole Substances 0.000 claims description 5
- 150000002739 metals Chemical class 0.000 claims description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 5
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- 239000010937 tungsten Substances 0.000 claims description 5
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 claims description 3
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- 125000000217 alkyl group Chemical group 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 claims description 3
- 239000001530 fumaric acid Substances 0.000 claims description 3
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- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical class [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052715 tantalum Inorganic materials 0.000 claims description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 2
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 claims description 2
- BZORFPDSXLZWJF-UHFFFAOYSA-N N,N-dimethyl-1,4-phenylenediamine Chemical compound CN(C)C1=CC=C(N)C=C1 BZORFPDSXLZWJF-UHFFFAOYSA-N 0.000 claims 4
- GUNJVIDCYZYFGV-UHFFFAOYSA-K antimony trifluoride Chemical compound F[Sb](F)F GUNJVIDCYZYFGV-UHFFFAOYSA-K 0.000 claims 2
- ANOBYBYXJXCGBS-UHFFFAOYSA-L stannous fluoride Chemical compound F[Sn]F ANOBYBYXJXCGBS-UHFFFAOYSA-L 0.000 claims 2
- 150000004673 fluoride salts Chemical class 0.000 claims 1
- 150000003512 tertiary amines Chemical class 0.000 claims 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 abstract 1
- 229910052731 fluorine Inorganic materials 0.000 abstract 1
- 239000011737 fluorine Substances 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 9
- 238000001020 plasma etching Methods 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- 150000007513 acids Chemical class 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 238000009472 formulation Methods 0.000 description 6
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 5
- 239000000872 buffer Substances 0.000 description 4
- 230000001066 destructive effect Effects 0.000 description 4
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- 230000003139 buffering effect Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 239000003112 inhibitor Substances 0.000 description 3
- RJLKIAGOYBARJG-UHFFFAOYSA-N 1,3-dimethylpiperidin-2-one Chemical compound CC1CCCN(C)C1=O RJLKIAGOYBARJG-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 2
- 239000011538 cleaning material Substances 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- LNTHITQWFMADLM-UHFFFAOYSA-N gallic acid Chemical compound OC(=O)C1=CC(O)=C(O)C(O)=C1 LNTHITQWFMADLM-UHFFFAOYSA-N 0.000 description 2
- 238000004377 microelectronic Methods 0.000 description 2
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- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
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- 239000000126 substance Substances 0.000 description 2
- FPGGTKZVZWFYPV-UHFFFAOYSA-M tetrabutylammonium fluoride Chemical compound [F-].CCCC[N+](CCCC)(CCCC)CCCC FPGGTKZVZWFYPV-UHFFFAOYSA-M 0.000 description 2
- 229910016570 AlCu Inorganic materials 0.000 description 1
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical class ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910008599 TiW Inorganic materials 0.000 description 1
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- 230000002378 acidificating effect Effects 0.000 description 1
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- 239000010941 cobalt Substances 0.000 description 1
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- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- IJKVHSBPTUYDLN-UHFFFAOYSA-N dihydroxy(oxo)silane Chemical compound O[Si](O)=O IJKVHSBPTUYDLN-UHFFFAOYSA-N 0.000 description 1
- 229940074391 gallic acid Drugs 0.000 description 1
- 235000004515 gallic acid Nutrition 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- MOVBJUGHBJJKOW-UHFFFAOYSA-N methyl 2-amino-5-methoxybenzoate Chemical compound COC(=O)C1=CC(OC)=CC=C1N MOVBJUGHBJJKOW-UHFFFAOYSA-N 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
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- 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
- H01L21/02041—Cleaning
- H01L21/02057—Cleaning during device manufacture
-
- 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
- H01L21/02041—Cleaning
- H01L21/02057—Cleaning during device manufacture
- H01L21/0206—Cleaning during device manufacture during, before or after processing of insulating layers
- H01L21/02063—Cleaning during device manufacture during, before or after processing of insulating layers the processing being the formation of vias or contact holes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K13/00—Etching, surface-brightening or pickling compositions
-
- 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
- H01L21/02041—Cleaning
- H01L21/02057—Cleaning during device manufacture
- H01L21/02068—Cleaning during device manufacture during, before or after processing of conductive layers, e.g. polysilicon or amorphous silicon layers
- H01L21/02071—Cleaning during device manufacture during, before or after processing of conductive layers, e.g. polysilicon or amorphous silicon layers the processing being a delineation, e.g. RIE, of conductive layers
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/14—Hard surfaces
- C11D2111/22—Electronic devices, e.g. PCBs or semiconductors
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- Condensed Matter Physics & Semiconductors (AREA)
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- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Cleaning Or Drying Semiconductors (AREA)
- Detergent Compositions (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
Description
エッチング残渣を除去するのに適切な組成物であって、
A.上限約80%の水混和性有機溶媒、
B.約5〜約50重量%の水、
C.約1〜約20重量%のジカルボン有機酸、
D.約1〜約20重量%の塩基、及び、
E.約0.1〜約10重量%のフッ素イオンソースを含む
ことを特徴とする組成物
に関する。
塩基Dはジカルボン酸Cと組み合わさってバッファー剤を形成する。
基板からエッチング残渣を除去する方法であって、
上記に開示された組成物と基板を接触させることを含む
ことを特徴とする方法
にも関する。
図1は、異なるpHにおける、様々な二塩基酸含有製剤のリンドープ非濃縮TEOSエッチング速度を図示したものである。
本発明は、エッチング残渣、特にリアクティブイオンエッチングによって生じた残渣の選択的な除去に関する。また、エッチング残渣は、金属、ケイ素、ケイ酸塩、並びに/又は、堆積したケイ素酸化物及びケイ素酸化物誘導体(TEOS及びSOG等)等の絶縁体物質と共に物質中に含まれる。上記残渣、並びに、金属、ケイ素、ケイ酸塩及び/又は絶縁体物質は共に、洗浄組成物と接触するであろう。本発明によれば、金属、ケイ素、二酸化ケイ素及び絶縁体物質に有意な破壊的化学作用を及ぼさずにエッチング後の残渣を選択的に除去できる。金属とは、一般的に、銅、銅合金、チタン、窒化チタン、タンタル、窒化タンタル、タングステン、チタン/タングステン、アルミニウム及び/又はアルミニウム合金である。本発明によって除去される残渣は、リアクティブイオンエッチングによって生成したものが好ましい。
R1N(R3)R2F
式中、R1、R2及びR3はそれぞれ、H又はアルキル基を表わす。
Claims (33)
- エッチング残渣を除去するのに適切な組成物であって、
a.上限約80重量%の水混和性有機溶媒、
b.約5〜約50重量%の水、
c.約1〜約20重量%のジカルボン有機酸、
d.約0.5〜約20重量%の、前記二塩基酸と組み合わさってバッファー剤を形成する塩基、及び、
e.約0.1〜約10重量%のフッ素イオンソースを含む
ことを特徴とする組成物。 - ジカルボン有機酸が、シュウ酸、マロン酸、コハク酸、グルタル酸、アジピン酸、フマル酸、マレイン酸、フタル酸及びテレフタル酸からなる群より選択される
ことを特徴とする請求項1に記載の組成物。 - ジカルボン有機酸が、コハク酸、マロン酸、マレイン酸、アジピン酸及びフタル酸からなる群より選択される
ことを特徴とする請求項1に記載の組成物。 - ジカルボン有機酸がマレイン酸又はアジピン酸である
ことを特徴とする請求項1に記載の組成物。 - ジカルボン有機酸がアジピン酸である
ことを特徴とする請求項1に記載の組成物。 - 塩基が、水酸化アンモニウム、アミン及び水酸化第4級アンモニウムからなる群より選択される
ことを特徴とする請求項1に記載の組成物。 - 塩基が水酸化アンモニウム又はモノエタノールアミンを含む
ことを特徴とする請求項1に記載の組成物。 - フッ素イオンソースが、フッ化水素酸、フッ化アンモニウム、フッ化第4級アンモニウム、フルオロホウ酸塩、フルオロホウ酸、重フッ化スズ、フッ化アンチモン、テトラフルオロホウ酸テトラブチルアンモニウム、ヘキサフルオロアルミニウム、及び、下記式:
R1N(R3)R2
(式中、R1、R2及びR3はそれぞれH又はアルキル基を表わす):
の脂肪族の第1、第2又は第3アミンのフッ化塩からなる群より選択される
ことを特徴とする請求項1に記載の組成物。 - フッ素イオンソースがフッ化アンモニウムを含む
ことを特徴とする請求項1に記載の組成物。 - 水混和性有機溶媒の量が約1〜約80重量%である
ことを特徴とする請求項1に記載の組成物。 - 水混和性有機溶媒が、ジメチルアセトアミド、N−メチルピロリジノン、ジメチルスルホキシド、ジメチルホルムアミド、N−メチルホルムアミド、ホルムアミド、DMPD、テトラヒドロフルフリルアルコール、グリセリン及びエチレングリコールからなる群より選択される
ことを特徴とする請求項10に記載の組成物。 - 水混和性有機溶媒がジメチルアセトアミド、DMPD又はNMPを含む
ことを特徴とする請求項10に記載の組成物。 - pHが約1〜約7である
ことを特徴とする請求項1に記載の組成物。 - pHが約5.5〜約6である
ことを特徴とする請求項1に記載の組成物。 - ベンゾトリアゾールを含まない
ことを特徴とする請求項1に記載の組成物。 - 基板からエッチング残渣を除去する方法であって、
a.上限約80重量%の水混和性有機溶媒、
b.約5〜約50重量%の水、
c.約1〜約20重量%のジカルボン有機酸、
d.約0.5〜約20重量%の、前記二塩基酸と組み合わさってバッファー剤を形成する塩基、及び、
e.約0.1〜約10重量%のフッ素イオンソースを含む組成物と基板を接触させることを含む
ことを特徴とする方法。 - ジカルボン有機酸が、シュウ酸、マロン酸、コハク酸、グルタル酸、アジピン酸、フマル酸、マレイン酸、フタル酸及びテレフタル酸からなる群より選択される
ことを特徴とする請求項16に記載の方法。 - ジカルボン有機酸が、コハク酸、マロン酸、マレイン酸、アジピン酸及びフタル酸からなる群より選択される
ことを特徴とする請求項16に記載の方法。 - ジカルボン有機酸がマレイン酸又はアジピン酸である
ことを特徴とする請求項16に記載の方法。 - ジカルボン有機酸がアジピン酸である
ことを特徴とする請求項16に記載の方法。 - 塩基が、水酸化アンモニウム、アミン及び水酸化第4級アンモニウムからなる群より選択される
ことを特徴とする請求項16に記載の方法。 - 塩基が水酸化アンモニウム又はモノエタノールアミンを含む
ことを特徴とする請求項16に記載の方法。 - フッ素イオンソースが、フッ化水素酸、フッ化アンモニウム、フッ化第4級アンモニウム、フルオロホウ酸塩、フルオロホウ酸、重フッ化スズ、フッ化アンチモン、テトラフルオロホウ酸テトラブチルアンモニウム、ヘキサフルオロアルミニウム、及び、下記式:
R1N(R3)R2
(式中、R1、R2及びR3はそれぞれH又はアルキル基を表わす):
の脂肪族の第1、第2又は第3アミンのフッ化塩からなる群より選択される
ことを特徴とする請求項16に記載の方法。 - フッ素イオンソースがフッ化アンモニウムを含む
ことを特徴とする請求項16に記載の方法。 - 水混和性有機溶媒の量が約1〜約80重量%である
ことを特徴とする請求項16に記載の方法。 - 水混和性有機溶媒が、ジメチルアセトアミド、N−メチルピロリジノン、ジメチルスルホキシド、ジメチルホルムアミド、N−メチルホルムアミド、ホルムアミド、DMPD、テトラヒドロフルフリルアルコール、グリセリン及びエチレングリコールからなる群より選択される
ことを特徴とする請求項25に記載の方法。 - 水混和性有機溶媒がジメチルアセトアミド、DMPD又はNMPを含む
ことを特徴とする請求項25に記載の方法。 - 組成物のpHが約1〜約7である
ことを特徴とする請求項16に記載の方法。 - 組成物のpHが約5.5〜約6である
ことを特徴とする請求項16に記載の方法。 - 組成物がベンゾトリアゾールを含まない
ことを特徴とする請求項16に記載の方法。 - 基板が、金属、ケイ素、ケイ酸塩及び絶縁体物質からなる群より選択される物質を更に含む
ことを特徴とする請求項16に記載の方法。 - 絶縁体物質がケイ素酸化物及びケイ素酸化物誘導体を含む
ことを特徴とする請求項31に記載の方法。 - 金属が、銅、銅合金、チタン、窒化チタン、タンタル、窒化タンタル、タングステン、チタン/タングステン、アルミニウム及び/又はアルミニウム合金からなる群より選択される
ことを特徴とする請求項31に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/191,060 US6677286B1 (en) | 2002-07-10 | 2002-07-10 | Compositions for removing etching residue and use thereof |
PCT/US2003/021402 WO2004005211A1 (en) | 2002-07-10 | 2003-07-10 | Compositions for removing etching residue and use thereof |
Publications (1)
Publication Number | Publication Date |
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JP2005532691A true JP2005532691A (ja) | 2005-10-27 |
Family
ID=29780140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004520050A Pending JP2005532691A (ja) | 2002-07-10 | 2003-07-10 | エッチング残渣除去用組成物、及び、その使用 |
Country Status (9)
Country | Link |
---|---|
US (2) | US6677286B1 (ja) |
EP (1) | EP1534643A1 (ja) |
JP (1) | JP2005532691A (ja) |
KR (1) | KR20050025316A (ja) |
CN (1) | CN1278975C (ja) |
AU (1) | AU2003251802A1 (ja) |
MY (1) | MY130650A (ja) |
TW (1) | TW200420755A (ja) |
WO (1) | WO2004005211A1 (ja) |
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JP2016040382A (ja) * | 2012-10-23 | 2016-03-24 | エア プロダクツ アンド ケミカルズ インコーポレイテッドAir Products And Chemicals Incorporated | クリーニング用組成物 |
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Also Published As
Publication number | Publication date |
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US6821352B2 (en) | 2004-11-23 |
CN1278975C (zh) | 2006-10-11 |
CN1665755A (zh) | 2005-09-07 |
MY130650A (en) | 2007-07-31 |
AU2003251802A1 (en) | 2004-01-23 |
KR20050025316A (ko) | 2005-03-14 |
WO2004005211A1 (en) | 2004-01-15 |
EP1534643A1 (en) | 2005-06-01 |
US20040171503A1 (en) | 2004-09-02 |
US6677286B1 (en) | 2004-01-13 |
TW200420755A (en) | 2004-10-16 |
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