WO2004048646A1 - 電解銀めっき液 - Google Patents
電解銀めっき液 Download PDFInfo
- Publication number
- WO2004048646A1 WO2004048646A1 PCT/JP2003/013955 JP0313955W WO2004048646A1 WO 2004048646 A1 WO2004048646 A1 WO 2004048646A1 JP 0313955 W JP0313955 W JP 0313955W WO 2004048646 A1 WO2004048646 A1 WO 2004048646A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- silver plating
- electrolytic silver
- plating solution
- amount
- brightener
- Prior art date
Links
- 238000007747 plating Methods 0.000 title claims abstract description 44
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 32
- 239000004332 silver Substances 0.000 title claims abstract description 32
- 150000001875 compounds Chemical class 0.000 claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 claims abstract description 7
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical group C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 claims abstract description 6
- 125000000355 1,3-benzoxazolyl group Chemical group O1C(=NC2=C1C=CC=C2)* 0.000 claims abstract description 5
- 229910052785 arsenic Inorganic materials 0.000 claims abstract description 5
- 229910052711 selenium Inorganic materials 0.000 claims abstract description 5
- 229910052714 tellurium Inorganic materials 0.000 claims abstract description 5
- 229910052716 thallium Inorganic materials 0.000 claims abstract description 5
- 239000004094 surface-active agent Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 7
- 239000003607 modifier Substances 0.000 claims description 6
- 150000002500 ions Chemical class 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- -1 polyoxyethylene chain Polymers 0.000 claims description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 claims description 2
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- 239000002736 nonionic surfactant Substances 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims 1
- 229910052783 alkali metal Inorganic materials 0.000 claims 1
- 229910052731 fluorine Inorganic materials 0.000 claims 1
- 239000011737 fluorine Substances 0.000 claims 1
- 229940098221 silver cyanide Drugs 0.000 claims 1
- 150000003890 succinate salts Chemical class 0.000 claims 1
- 229940095064 tartrate Drugs 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000011669 selenium Substances 0.000 description 3
- JPJALAQPGMAKDF-UHFFFAOYSA-N selenium dioxide Chemical compound O=[Se]=O JPJALAQPGMAKDF-UHFFFAOYSA-N 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
- VDMJCVUEUHKGOY-JXMROGBWSA-N (1e)-4-fluoro-n-hydroxybenzenecarboximidoyl chloride Chemical compound O\N=C(\Cl)C1=CC=C(F)C=C1 VDMJCVUEUHKGOY-JXMROGBWSA-N 0.000 description 1
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010014970 Ephelides Diseases 0.000 description 1
- 208000003351 Melanosis Diseases 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- NJDNXYGOVLYJHP-UHFFFAOYSA-L disodium;2-(3-oxido-6-oxoxanthen-9-yl)benzoate Chemical compound [Na+].[Na+].[O-]C(=O)C1=CC=CC=C1C1=C2C=CC(=O)C=C2OC2=CC([O-])=CC=C21 NJDNXYGOVLYJHP-UHFFFAOYSA-L 0.000 description 1
- UESISTHQAYQMRA-UHFFFAOYSA-M formyloxythallium Chemical compound [Tl+].[O-]C=O UESISTHQAYQMRA-UHFFFAOYSA-M 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- FXADMRZICBQPQY-UHFFFAOYSA-N orthotelluric acid Chemical compound O[Te](O)(O)(O)(O)O FXADMRZICBQPQY-UHFFFAOYSA-N 0.000 description 1
- 239000006174 pH buffer Substances 0.000 description 1
- 229940097322 potassium arsenite Drugs 0.000 description 1
- HEQWEGCSZXMIJQ-UHFFFAOYSA-M potassium;oxoarsinite Chemical compound [K+].[O-][As]=O HEQWEGCSZXMIJQ-UHFFFAOYSA-M 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- PTLRDCMBXHILCL-UHFFFAOYSA-M sodium arsenite Chemical compound [Na+].[O-][As]=O PTLRDCMBXHILCL-UHFFFAOYSA-M 0.000 description 1
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- PGWMQVQLSMAHHO-UHFFFAOYSA-N sulfanylidenesilver Chemical compound [Ag]=S PGWMQVQLSMAHHO-UHFFFAOYSA-N 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- LAJZODKXOMJMPK-UHFFFAOYSA-N tellurium dioxide Chemical compound O=[Te]=O LAJZODKXOMJMPK-UHFFFAOYSA-N 0.000 description 1
- YTQVHRVITVLIRD-UHFFFAOYSA-L thallium sulfate Chemical compound [Tl+].[Tl+].[O-]S([O-])(=O)=O YTQVHRVITVLIRD-UHFFFAOYSA-L 0.000 description 1
- 229940119523 thallium sulfate Drugs 0.000 description 1
- 229910000374 thallium(I) sulfate Inorganic materials 0.000 description 1
- JADVWWSKYZXRGX-UHFFFAOYSA-M thioflavine T Chemical compound [Cl-].C1=CC(N(C)C)=CC=C1C1=[N+](C)C2=CC=C(C)C=C2S1 JADVWWSKYZXRGX-UHFFFAOYSA-M 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/46—Electroplating: Baths therefor from solutions of silver
Definitions
- the present invention relates to an electrolytic silver plating solution, specifically, a high-speed matte or semi-bright electrolytic silver plating solution using cyanide as a silver source.
- an electrolytic silver plating solution using cyanide as a silver source and adding a compound of As, Tl, Se and Te as a brightener has been known as an electrolytic silver plating solution. No. 2756300).
- the addition amount is originally small, so if the addition amount is further reduced, the analysis becomes difficult, and it becomes impossible to control the daily addition amount by analysis.
- the amount is determined based on the experience and intuition of the worker.
- the amount of the brightener is reduced, the working current density is lowered, and the range is narrowed. As a result, there is a problem that the production efficiency is reduced and the plating defect is easily generated. In this case, if the working current density is increased to increase production efficiency, so-called burn plating or plating unevenness will occur. Disclosure of the invention
- An object of the present invention is to obtain a stable non-semi-glossy plating appearance without being influenced by current density while making the most of the high-speed property of the brightener, and to be easy to manage.
- An object of the present invention is to provide an electrolytic silver plating solution using cyanide.
- the electrolytic silver plating solution using cyanide as a silver source according to the present invention contains at least one compound of As, Tl, Se and Te as a brightener, and has a benzothiazole skeleton or a benzoxazole skeleton. It is characterized by containing an agent.
- It contains 50-300 g / 1 silver sulphide metal as a metal salt, and 50-300 g / 1 citrate, phosphate, tartaric acid and succinic acid as a conductive salt. It may contain one or more salts. These conductive salts also function as pH buffers. Further, boric acid / borate may be added as a buffer.
- a surfactant may be added as needed.
- Fluorosurfactants are preferred, and these surfactants may be used in the amount of It is advisable to add about 10 g / 1.
- compounds of As, Tl, Se and Te are used as in the past. These brighteners include potassium arsenite, sodium arsenite, thallium sulfate, thallium formate, selenium dioxide, and potassium selenocyanate. , Telluric acid, tellurium dioxide and the like are preferred.
- the glossiness can be suppressed by adding a gloss adjusting agent, which will be described later, to the plating solution, even if the brightener is added in a relatively large amount.
- a gloss adjusting agent which will be described later
- the amount of the brightener to be added is preferably in the range of 0.005 to 50 mg / 1, and most preferably in the range of 0.01 to 5 mgZ1.
- the range of this addition amount is within the range of a normal glossing liquid.
- the addition amount of the above gloss adjuster is preferably in the range of 1 to 1000 mg / 1, and most preferably in the range of 10 to: LOOmgZ1. If the amount of the gloss adjusting agent is less than 1 mg / 1, the effect of adjusting the gloss is small and the working current density cannot be increased. Even if the amount is larger than lOOOmgZ 1, the effect is not so different as compared with the amount added.
- the addition amount of the gloss adjusting agent is increased or decreased according to the amount of the brightening agent.
- the gloss adjuster is about 10 mgZ1 and when the amount of brightener is about 0.5 mg / 1, the gloss is adjusted.
- the dosage is preferably about 30 mgZ1.
- the following compounds are preferable.
- R H, CH 3 , CH 30
- Table 1 shows the compositions of the plating solutions of Examples 1 to 5 and Comparative Examples 1 and 2.
- Table 2 shows the compound names in Table 1.
- Example 1 a pouring liquid was used using a gloss modifier having a benzothiazole skeleton.
- Example 45 silver concentration was changed.
- Comparative Example 1 shows a simple composition of only a silver salt and a conductive salt, and Comparative Example 2 contains a brightener and a surfactant, as before.
- a Hull cell test was performed with the plating solution having the above composition, and the gloss adjusting effect was evaluated from the Hull cell pattern.
- a 3 cm X 3 cm copper test piece was silver-plated with a size of 1 cm ⁇ 5 im by the jet plating method, and current densities with good semi-gloss appearance were compared.
- the pH of the solution was stable at 89, the Hull cell pattern had a semi-glossy appearance over a wide range, the glossiness was uniform, and the plating appearance was good with no unevenness.
- the plating film prepared by the jet plating test had a semi-luminous appearance with a gloss of 0.4 ⁇ 0.05 and a flatness in a current density range of 50 200 A / dm 2 .
- the silver film crystals with a matte or semi-glossy appearance were dense and satisfied the mounting characteristics.
- Gloss modifiers include Direct Yellow 8, Thioflavin S Similar experiments were performed with Thioflavin T, and similar results were obtained.
- the gloss was measured using a densitometer ND-1 manufactured by Nippon Denshoku Industries Co., Ltd. By the way, glosslessness of less than 0.2 is regarded as matte finish, and glossiness of less than 0.8 is considered as semi-glossy finish.
- the composition had a lower silver concentration than Examples 1 to 3, the semi-gloss region of the Hull cell pattern had a uniform and dull semi-gloss appearance.
- the plating film obtained did not have unevenness and had a semi-glossy appearance without uneven plating up to a high current density range of 100 A / dm 2 or more.
- composition had a higher silver concentration than in Examples 1 to 3, the semi-glossy region of the Hull cell pattern was wide and a good film without unevenness was obtained.
- a silver film having a semi-glossy appearance was obtained up to a current density range of 300 A / dm 2 , and was a uniform film without freckles.
- the composition contains a brightener and a surfactant, but the glossiness in the semi-glossy region of the Hull cell pattern is slightly shiny.
- the samples created Ri by the jet plating test also satisfy mounted characteristics without causing the catcher Ke plating until the current density range of 200A / dm 2 Despite the appearance, the external appearance was glossy 0.8 to 1.0.
- the electrolytic silver plating solution of the present invention using cyanide as a silver source and adding a gloss adjusting agent has little variation in gloss over a wide current density range, and has a high current density. It is possible to obtain a good non-semi-gloss silver-coated film without unevenness or burnt. Therefore, high-speed and stable plating appearance can be applied to objects such as SO-type lead frame and QFP lead frame ring plating, which are difficult to perform plating, and even complex-shaped lead frame. It became possible to do.
- the glossiness of the silver plating film obtained from these baths can be controlled by adding a gloss adjusting agent, whereby the gloss effect of the brightener can be controlled. Can be adjusted.
- the concentration of the brightener can be increased, and the concentration (liquid) can be controlled by analysis. Also, high working current density can be obtained, which improves production efficiency.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating And Plating Baths Therefor (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/512,632 US7402232B2 (en) | 2002-11-28 | 2003-10-30 | Silver electroplating solution |
JP2004554966A JP3847316B2 (ja) | 2002-11-28 | 2003-10-30 | 電解銀めっき液 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-345783 | 2002-11-28 | ||
JP2002345783 | 2002-11-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004048646A1 true WO2004048646A1 (ja) | 2004-06-10 |
Family
ID=32376026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/013955 WO2004048646A1 (ja) | 2002-11-28 | 2003-10-30 | 電解銀めっき液 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7402232B2 (ja) |
JP (1) | JP3847316B2 (ja) |
KR (1) | KR101074744B1 (ja) |
CN (1) | CN1692182A (ja) |
TW (1) | TWI318650B (ja) |
WO (1) | WO2004048646A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013249514A (ja) * | 2012-05-31 | 2013-12-12 | Nichia Corp | 光半導体装置用電解銀めっき液 |
JP2015070247A (ja) * | 2013-10-01 | 2015-04-13 | アピックヤマダ株式会社 | リードフレーム基板の製造方法及び発光装置の製造方法、並びに、発光ダイオード用リードフレームの製造方法及びダイオード用リードフレーム構造 |
KR20150122988A (ko) * | 2014-04-24 | 2015-11-03 | ㈜대림금속 | 은도금 코팅용 은탄소도금 코팅액, 이를 코팅하는 방법 및 이를 포함하는 금속접촉단자 |
JP6916971B1 (ja) * | 2020-09-15 | 2021-08-11 | Dowaメタルテック株式会社 | 銀めっき材およびその製造方法 |
WO2023276507A1 (ja) * | 2021-06-29 | 2023-01-05 | Dowaメタルテック株式会社 | 銀めっき材およびその製造方法 |
WO2023152994A1 (ja) * | 2022-02-08 | 2023-08-17 | Dowaメタルテック株式会社 | 銀めっき材の製造方法および銀めっき材 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100773272B1 (ko) * | 2006-09-22 | 2007-11-09 | 와이엠티 주식회사 | 중금속이온을 포함한 은도금 용액 및 그로부터 제조된인쇄회로기판 |
DE102009029558A1 (de) * | 2009-09-17 | 2011-03-31 | Schott Solar Ag | Elektrolytzusammensetzung |
CN103320823B (zh) * | 2013-06-18 | 2016-04-20 | 中山品高电子材料有限公司 | 一种led引线框架超高亮度局部电镀液及其电镀工艺 |
WO2018181190A1 (ja) * | 2017-03-31 | 2018-10-04 | メタローテクノロジーズジャパン株式会社 | 電解銀めっき液 |
CN109402684A (zh) * | 2018-11-22 | 2019-03-01 | 福泉市发隆钢构有限公司 | 一种不锈钢镀银用电镀液及使用方法 |
DE102021118820A1 (de) * | 2021-07-21 | 2023-01-26 | Umicore Galvanotechnik Gmbh | Silber-Elektrolyt |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5743995A (en) * | 1980-08-27 | 1982-03-12 | Sumitomo Electric Ind Ltd | Silver plating liquid and silver plating method |
US4604167A (en) * | 1984-01-26 | 1986-08-05 | Shinko Electric Industries Co., Ltd. | Silver plating solution and silver plating process and pretreatment solution therefor |
US4614568A (en) * | 1983-06-14 | 1986-09-30 | Nihon Kogyo Kabushiki Kaisha | High-speed silver plating and baths therefor |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1001078B (de) * | 1953-08-13 | 1957-01-17 | Dehydag Gmbh | Galvanische Baeder zur Herstellung von Metallueberzuegen |
US4265715A (en) | 1979-07-13 | 1981-05-05 | Oxy Metal Industries Corporation | Silver electrodeposition process |
US4310392A (en) * | 1979-12-31 | 1982-01-12 | Bell Telephone Laboratories, Incorporated | Electrolytic plating |
JP2756300B2 (ja) | 1989-04-11 | 1998-05-25 | 住友金属鉱山 株式会社 | 銀めっき法 |
JPH11302893A (ja) * | 1998-04-22 | 1999-11-02 | Okuno Chem Ind Co Ltd | 非シアン系電気銀めっき液 |
-
2003
- 2003-10-30 CN CNA200380100457XA patent/CN1692182A/zh active Pending
- 2003-10-30 KR KR1020047016850A patent/KR101074744B1/ko active IP Right Grant
- 2003-10-30 JP JP2004554966A patent/JP3847316B2/ja not_active Expired - Fee Related
- 2003-10-30 WO PCT/JP2003/013955 patent/WO2004048646A1/ja active Application Filing
- 2003-10-30 US US10/512,632 patent/US7402232B2/en not_active Expired - Lifetime
- 2003-11-27 TW TW092133355A patent/TWI318650B/zh not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5743995A (en) * | 1980-08-27 | 1982-03-12 | Sumitomo Electric Ind Ltd | Silver plating liquid and silver plating method |
US4614568A (en) * | 1983-06-14 | 1986-09-30 | Nihon Kogyo Kabushiki Kaisha | High-speed silver plating and baths therefor |
US4604167A (en) * | 1984-01-26 | 1986-08-05 | Shinko Electric Industries Co., Ltd. | Silver plating solution and silver plating process and pretreatment solution therefor |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013249514A (ja) * | 2012-05-31 | 2013-12-12 | Nichia Corp | 光半導体装置用電解銀めっき液 |
JP2015070247A (ja) * | 2013-10-01 | 2015-04-13 | アピックヤマダ株式会社 | リードフレーム基板の製造方法及び発光装置の製造方法、並びに、発光ダイオード用リードフレームの製造方法及びダイオード用リードフレーム構造 |
KR20150122988A (ko) * | 2014-04-24 | 2015-11-03 | ㈜대림금속 | 은도금 코팅용 은탄소도금 코팅액, 이를 코팅하는 방법 및 이를 포함하는 금속접촉단자 |
KR101582870B1 (ko) * | 2014-04-24 | 2016-01-19 | (주)대림금속 | 은도금 코팅용 은탄소도금 코팅액, 이를 코팅하는 방법 및 이를 포함하는 금속접촉단자 |
JP2022048959A (ja) * | 2020-09-15 | 2022-03-28 | Dowaメタルテック株式会社 | 銀めっき材およびその製造方法 |
WO2022059237A1 (ja) * | 2020-09-15 | 2022-03-24 | Dowaメタルテック株式会社 | 銀めっき材およびその製造方法 |
JP6916971B1 (ja) * | 2020-09-15 | 2021-08-11 | Dowaメタルテック株式会社 | 銀めっき材およびその製造方法 |
JP2022048977A (ja) * | 2020-09-15 | 2022-03-28 | Dowaメタルテック株式会社 | 銀めっき材およびその製造方法 |
JP7130821B2 (ja) | 2020-09-15 | 2022-09-05 | Dowaメタルテック株式会社 | 銀めっき材およびその製造方法 |
JP2022159396A (ja) * | 2020-09-15 | 2022-10-17 | Dowaメタルテック株式会社 | 銀めっき材およびその製造方法 |
JP7370431B2 (ja) | 2020-09-15 | 2023-10-27 | Dowaメタルテック株式会社 | 銀めっき材およびその製造方法 |
WO2023276507A1 (ja) * | 2021-06-29 | 2023-01-05 | Dowaメタルテック株式会社 | 銀めっき材およびその製造方法 |
WO2023152994A1 (ja) * | 2022-02-08 | 2023-08-17 | Dowaメタルテック株式会社 | 銀めっき材の製造方法および銀めっき材 |
Also Published As
Publication number | Publication date |
---|---|
TW200427876A (en) | 2004-12-16 |
US7402232B2 (en) | 2008-07-22 |
TWI318650B (en) | 2009-12-21 |
CN1692182A (zh) | 2005-11-02 |
US20060060474A1 (en) | 2006-03-23 |
KR101074744B1 (ko) | 2011-10-19 |
JPWO2004048646A1 (ja) | 2006-03-23 |
JP3847316B2 (ja) | 2006-11-22 |
KR20050084783A (ko) | 2005-08-29 |
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