JP2016507642A - 工作材料の金属化方法並びに工作材料と金属層とでできた層構造 - Google Patents
工作材料の金属化方法並びに工作材料と金属層とでできた層構造 Download PDFInfo
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Abstract
Description
第一の実施例では、射出成形用ダイを、工具鋼1.2343から、ピコセコンドレーザー照射を用いて、選択的にCLPで構造化する(レーザー出力 12W、波長 515nm、スキャン速度 50mm/s、相互作用領域でのビーム径 30μm)。この構造化されたダイを用いて、ポリアミド(PA)から試料を射出成形する。この射出成形された試料を、次いで、50℃の温かい硝酸銀溶液(水800ml中に溶解した硝酸銀10g)中に1分間、浸漬する。脱イオン水での洗浄ステップ及び試料の乾燥の後に、試料を、20分間、120℃の炉中で、熱的に後処理する。次いで、試料を、無電解金属化浴中で金属化する。この際、マイクロ構造化された領域の非常に選択的な構造化が、異物の堆積なく生じる。付着強度の測定のために、試料を、電気メッキにより約25μmの厚さに厚くした。こうして調製した試料について、10N/cm超のASTM D1876−08準拠の付着強度が測定される。
第二の実施例では、エンボス型を、第一の実施例に記載した方法で選択的にCLPで構造化し、そしてPC+ABSブレンドでできた試料上に成形する。この試料に次いで金を蒸着する。この連続した伝導性スタート層に基づいて、この試料は直接電解金属化される。こうして調製した試料について、15N/cm超のASTM D1876−08準拠の付着強度が測定される。
上記の方法に従い構造化した、ポリブチレンテレフタレート(PBT)でできた工作材料を、水1リットル中に水酸化ナトリウム45g及び過マンガン酸カリウム45gからなるアルカリ性溶液中で、10分間、60℃でエッチングして、その表面を化学的に官能化し、それによりパラジウムイオン負荷の用意をする。次いで、この工作材料を脱イオン水で洗浄し、そして水20ml中の塩化パラジウム200mgからなる溶液中に10分間、インキュベートする。そうしてから、その表面を、グリコール10ml中に9,10−アントラキノン−2,6−ジスルホン酸のナトリウム塩1gからなる溶液で直接濡らし、そして慣用の実験室用UVランプを用いて10分間照射する。水で洗浄した後に、化学的金属化においてこうして処理された箇所に銅が堆積する。こうして調製した試料について、12N/cm超のASTM D1876−08準拠の付着強度が測定される。
Claims (23)
- 非伝導性工作材料(4)の少なくとも部分的でかつ付着堅牢性の金属化のための方法であって、工作材料(4)中に、金属化するべき領域において、周期的なマイクロ構造(6)を一つまたは複数の境界線(10)によって囲まれた金属化するべき面内で、成形面内の金属化するべき領域に対応してマイクロ構造化されたダイ(2)での成形によって導入する、前記方法。
- ダイ(2)として鋳造用金属ダイ(2)が使用されることを特徴とする、請求項1に記載の方法。
- ダイ(2)として成形用金属ダイ(2)が使用されることを特徴とする、請求項1に記載の方法。
- ダイ(2)のマイクロ構造(6)がレーザー放射線(5)によって生成されることを特徴とする、請求項1〜3のいずれか一つに記載の方法。
- レーザー放射線(5)のパルス長がナノセカンドよりも短いことを特徴とする、請求項4に記載の方法。
- ダイ(2)中のマイクロ構造(6)が、いわゆる「Cone Like Protrusions(錐状の突起)」として生成されることを特徴とする、請求項1〜5のいずれか一つに記載の方法。
- 金属層(9)が、少なくとも3N/cm、特に5N/cmのASTM D1876−08準拠の付着強度を有することを特徴とする、請求項1〜6のいずれか一つに記載の方法。
- 非伝導性工作材料(6)の構成分の一つがポリマーであることを特徴とする、請求項1〜7のいずれか一つに記載の方法。
- 異なる形態のマイクロ構造(6)が部分的に工作材料表面(3)に設けられることを特徴とする、請求項1〜8のいずれか一つに記載の方法。
- 工作材料(4)が方法の過程で熱処理されることを特徴とする、請求項1〜9のいずれか一つに記載の方法。
- マイクロ構造(6)が、ダイ(2)を用いて、同じ工作材料(4)の工作材料表面(3)上に複数回描写されることを特徴とする、請求項1〜10のいずれか一つに記載の方法。
- 付着堅牢性の金属層(9)が、特徴的パターンで、特に導体経路、または装飾的パターンで、工作材料表面(3)上に設けられることを特徴とする、請求項1〜11のいずれか一つに記載の方法。
- マイクロ構造(6)が、1μm超で200μm未満の平均波長を有することを特徴とする、請求項1〜12のいずれか一つに記載の方法。
- マイクロ構造(6)が、5μm超で200μm未満の平均構造高さ(山から谷間までの距離)を有することを特徴とする、請求項1〜13のいずれか一つに記載の方法。
- マイクロ構造(6)の平均波長に対するマイクロ構造(6)の平均構造高さ(山から谷間までの距離)の比率が0.3超、特に0.5超であることを特徴とする、請求項1〜14のいずれか一つに記載の方法。
- 工作材料(4)のマイクロ構造(6)が、工作材料(4)の方向に、単調に増大する、特に急激に単調に増大する横断面を有することを特徴とする、請求項1〜15のいずれか一つに記載の方法。
- 非伝導性の工作材料(4)と付着堅牢性に結合した金属層(9)とを含む層構造において、非伝導性工作材料と金属層との間の境界面がマイクロ構造(6)を有する層構造であって、工作材料(4)のマイクロ構造(6)が、少なくとも一つの境界線(10)で囲まれた金属化するべき面内に周期的に作製されており、そして工作材料(4)の方向に単調に増大する、特に急激に単調に増大する横断面を有することを特徴とする、前記層構造。
- 工作材料(6)の構成分の一つが非伝導性ポリマーであることを特徴とする、請求項17に記載の層構造。
- 付着堅牢性の金属層(9)が特徴的パターンで、特に導体経路で、または装飾的パターンで、工作材料(4)の工作材料表面(3)上に設けられていることを特徴とする、請求項17または18に記載の層構造。
- マイクロ構造(6)が、5μm超で200μm未満の平均構造高さ(山から谷間までの距離)を有することを特徴とする、請求項17〜19のいずれか一つに記載の層構造。
- マイクロ構造(6)の平均波長に対するマイクロ構造(6)の平均構造高さ(山から谷間までの距離)の比率が0.3超、特に0.5超であることを特徴とする、請求項17〜20のいずれか一つに記載の層構造。
- 金属層(9)が、少なくとも3N/cm、特に5N/cmのASTM D1876−08準拠の付着強度を有することを特徴とする、請求項17〜21のいずれか一つに記載の層構造。
- ネガ型のマイクロ構造(6)が、「Cone Like Protrusions(錐状の突起)」に等しいことを特徴とする、請求項17〜22のいずれか一つに記載の層構造。
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PCT/DE2013/100405 WO2014094729A2 (de) | 2012-12-18 | 2013-12-03 | Verfahren zur metallisierung eines werkstückes sowie ein schichtaufbau aus einem werkstück und einer metallschicht |
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CN104838046B (zh) | 2017-11-14 |
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