JP2017155335A - イオン性触媒を用いて基板を無電解金属メッキする水平方法 - Google Patents
イオン性触媒を用いて基板を無電解金属メッキする水平方法 Download PDFInfo
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Abstract
Description
3,5−ジヒドロキシ安息香酸ベースの予備浸漬及びドデシルベンゼンスルホン酸予備浸漬水溶液の気泡高さの比較
200ppmのCIRCUPOSIT(商標)6530イオン性パラジウム触媒の1リットルのアルカリ性水溶液を、加工浴として調製した。200mLの触媒溶液を、2つの1リットルガラスビーカーに添加した。10ppmの3,5−ジヒドロキシ安息香酸予備浸漬溶液を、撹拌棒で混合しながら1つのビーカーに添加した。硝酸及び水酸化ナトリウムを、3,5−ジヒドロキシ安息香酸溶液に添加して、2のpHを得た。この溶液を、その後、触媒溶液に添加した。10ppmのドデシルベンゼンスルホン酸ナトリウムアニオン性界面活性剤予備浸漬溶液を、第2のビーカーに添加した。触媒浴への予備浸漬溶液の添加は、水洗浄なしで触媒を予備浸漬溶液へ巻き込む水平プロセスをシミュレートした。
2,4−ジヒドロキシ安息香酸及びアスコルビン酸を含有する予備浸漬溶液のメッキ性能
2つの予備浸漬溶液を調製した。一方の溶液は、2.5g/Lの2,4−ジヒドロキシ安息香酸をDI水に添加することによって調製した。第2の溶液は、3g/Lのアスコルビン酸をDI水に添加することによって調製した。各溶液中の酸濃度は、0.016モル/Lだった。各溶液のpHを、水酸化ナトリウム及び硝酸の希釈水溶液で2に調節した。複数の貫通孔を含有する以下の銅張エポキシ樹脂積層板を2つずつ提供した:Taiwan Union Technology CorporationからのTUC−662、Shengyi TechnologyからのSY−1141、Nanya PlasticsからのNPGN−150、Isolaからの370HR、及びElite Material, Co.,Ltd.からのEM−355。各積層板の厚さは、2mmで、貫通孔の直径は、1mmだった。各積層板を、2,4−ジヒドロキシ安息香酸を含有する水性酸性予備浸漬溶液またはアスコルビン酸を含有する水性酸性予備浸漬で処理した。以下の方法により、各積層板を調製し、無電解銅でメッキした。
無電解銅金属化のための予備浸漬溶液としてのタンニン酸
22g/Lのタンニン酸をDI水に添加することによって、タンニン酸の予備浸漬溶液を調製した。溶液中のタンニン酸濃度は、0.016モル/Lであった。溶液のpHを、水酸化ナトリウム及び硝酸の希釈水溶液で2に調節した。複数の貫通孔を含有する以下の銅張エポキシ樹脂積層板を提供した:Taiwan Union Technology CorporationからのTUC−662、Shengyi TechnologyからのSY−1141、Nanya PlasticsからのNPGN−150、Isolaからの370HR、及びElite Material,Co.,Ltd.からのEM−355。各積層板を、水性タンニン酸予備浸漬溶液で処理した。いくつかの起泡を観察した。各積層板を、実施例2の方法により調製し、無電解銅でメッキした。
Claims (11)
- 基板を無電解メッキする水平方法であって、
a)前記基板を清浄化し、調整することと、
b)前記基板をマイクロエッチングすることと、
c)以下の式を有する1つ以上の化合物であって、
式中、R1、R2、R3、R4、及びR5は独立して、水素、直鎖または分枝(C1−C4)アルキル、ハロゲン化物、NH2、NO2、SO3H、OH、アシル、(C1−C4)アルコキシ、及びベンゾイルから選択され、Zは、OYまたはベンゾイルであり、式中、Yは、水素、ハロゲン化物、またはアルカリ金属カチオンである、化合物と、任意に、1つ以上の緩衝剤とから成る水性酸性予備浸漬組成物を提供することと、
d)前記水性酸性予備浸漬組成物を前記基板に適用することと、
e)イオン性触媒を前記基板に適用することと、
f)前記イオン性触媒を含む前記基板に還元剤を適用することと、
g)無電解金属メッキ浴を、前記触媒を含む前記基板に適用して、前記基板を金属メッキすることと、を含む、水平方法。 - 前記1つ以上の緩衝液は、アルカリ金属水酸化物から選択される、請求項1に記載の水平方法。
- 前記1つ以上の緩衝液は、硝酸から選択される、請求項1に記載の水平方法。
- 前記イオン性触媒は、パラジウム、白金、及び金から選択される、1つ以上の金属イオンを含む、請求項1に記載の水平方法。
- 前記イオン性触媒の錯化剤は、複素環窒素化合物である、請求項1に記載の水平方法。
- 前記複素環窒素化合物は、ピリミジン誘導体、ピラジン及びピリジン誘導体から選択される、請求項5に記載の水平方法。
- 前記ピラジン誘導体は、2,6−ジメチルピラジン、2,3−ジメチルピラジン、2,5−ジメチルピラジン、2,3,5−トリメチルピライジン、2−アセチルピラジン、アミノピラジン、エチルピラジン、メトキシピラジン、3,4−ジメチルピラジン、及び2−(2’−ヒドロキシエチル)ピラジンから選択される、請求項6に記載の水平方法。
- 前記ピリミジン誘導体は、ウラシル、バルビツール酸、オロト酸、チミン、2−アミノピリミジン、6−ヒドロキシ−2,4−ジメチルピリミジン、6−メチルウラシル、2−ヒドロキシピリミジン、4,6−ジクロロピリミジン、2,4−ジメトキシピリミジン、2−アミノ−4,6−ジメチルピリミジン、2−ヒドロキシ−4,6−ジメチルピリミジン、及び6−メチルイソシトシンから選択される、請求項6に記載の水平方法。
- 前記ピリジン誘導体は、4−ジメチルアミノピリジン、4−アミノピリジン、2−アミノピリジン、4−(メチルアミノ)ピリジン、2−(メチルアミノ)ピリジン、2−アミノ−4,6−ジメチルピリジン、2−ジメチルアミノ−4,6−ジメチルピリジン、4−ジエチルアミノピリジン、2−(ピリジン−3−イル)−酢酸、2−アミノ−3−(ピリジン−3−イル)−プロピオン酸、2−アミノ−3−(ピリジン−2−イル)−プロピオン酸、3−(ピリジン−3−イル)−アクリル酸、3−(4−メチルピリジン−2−イル)アクリル酸、及び3−(ピリジン−3−イル)−アクリルアミドから選択される、請求項6に記載の水平方法。
- 前記水性酸性予備浸漬組成物のpHは、7未満である、請求項1に記載の水平方法。
- 前記基板は、複数の貫通孔、ビア、またはそれらの組み合わせを備える、請求項1に記載の水平方法。
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| CN113737159B (zh) * | 2021-08-30 | 2024-08-20 | 广东东硕科技有限公司 | 用于抑制铜面化学镀渗镀的预浸液及其制备方法和应用 |
| KR102764340B1 (ko) * | 2023-12-21 | 2025-02-10 | (주)오알켐 | 촉매 용액 |
| CN118726960B (zh) * | 2024-05-22 | 2025-03-21 | 惠州市荣安达化工有限公司 | 一种胶体钯活化剂及其制备方法和化学沉铜工艺 |
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| TWI606138B (zh) | 2017-11-21 |
| JP6363237B2 (ja) | 2018-07-25 |
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| TW201732080A (zh) | 2017-09-16 |
| EP3211123B1 (en) | 2019-01-09 |
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