Electrodeposition system and method incorporating an anode having a back side capacitive element
US-2015376812-A1 · Dec 31, 2015 · US
Tin alloy plating solution
US2019390357A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2019390357-A1 |
| Application number | US-201716481959-A |
| Country | US |
| Kind code | A1 |
| Filing date | Dec 13, 2017 |
| Priority date | Jan 31, 2017 |
| Publication date | Dec 26, 2019 |
| Grant date | — |
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Abstract
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A tin alloy plating solution comprising a soluble tin salt, a soluble salt of a metal nobler than tin, and a sulfide compound represented by general formula (I). In formula (I), n is 1 to 3. The metal nobler than tin is preferably silver, copper, gold, or bismuth.
First claim
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1 . A tin alloy plating solution comprises a soluble tin salt, a soluble salt of a metal nobler than tin, and a sulfide compound represented by general formula (1), wherein a metal nobler than tin is at least 1 or 2 or more kinds of metals selected from silver, copper, gold and bismuth, in general formula (1), n is from 1 to 3 HO—CH 2 CH 2 —S—(CH 2 CH 2 —O—CH 2 CH 2 —S) n —CH 2 CH 2 —OH (1) 2 . The tin alloy plating solution according to claim 1 , further comprising at least 1 or 2 or more surfactants selected from anionic surfactants, cationic surfactants, nonionic surfactants, and amphoteric surfactants. 3 . (canceled) 4 . The tin alloy plating solution according to claim 1 , further comprising an antioxidant. 5 . The tin alloy plating solution according to claim 1 , further comprising a complexing agent for tin. 6 . The tin alloy plating solution according to claim 1 , further comprising a pH adjusting agent. 7 . The tin alloy plating solution according to claim 1 , further comprising a brightening agent. 8 . The tin alloy plating solution according to claim 2 , further comprising an antioxidant. 9 . The tin alloy plating solution according to claim 2 , further comprising a complexing agent for tin. 10 . The tin alloy plating solution according to claim 4 , further comprising a complexing agent for tin. 11 . The tin alloy plating solution according to claim 8 , further comprising a complexing agent for tin. 12 . The tin alloy plating solution according to claim 2 , further comprising a pH adjusting agent. 13 . The tin alloy plating solution according to claim 4 , further comprising a pH adjusting agent. 14 . The tin alloy plating solution according to claim 5 , further comprising a pH adjusting agent. 15 . The tin alloy plating solution according to claim 8 , further comprising a pH adjusting agent. 16 . The tin alloy plating solution according to claim 2 , further comprising a brightening agent. 17 . The tin alloy plating solution according to claim 4 , further comprising a brightening agent. 18 . The tin alloy plating solution according to claim 5 , further comprising a brightening agent. 19 . The tin alloy plating solution according to claim 6 , further comprising a brightening agent. 20 . The tin alloy plating solution according to claim 8 , further comprising a brightening agent. 21 . The tin alloy plating solution according to claim 9 , further comprising a brightening agent.
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- What does patent US2019390357A1 cover?
- A tin alloy plating solution comprising a soluble tin salt, a soluble salt of a metal nobler than tin, and a sulfide compound represented by general formula (I). In formula (I), n is 1 to 3. The metal nobler than tin is preferably silver, copper, gold, or bismuth.
- Who is the assignee on this patent?
- Mitsubishi Materials Corp
- What technology area does this patent fall under?
- Primary CPC classification C25D3/56. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Thu Dec 26 2019 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).