JP2008524440A - 抗微生物性を持つ基板 - Google Patents
抗微生物性を持つ基板 Download PDFInfo
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Abstract
Description
透明ソーダ石灰ガラスの二つの試料をコスパッタリングによりSiO2(Al):Agの層で被覆した。二つの金属ターゲットをアルゴンと酸素の混合雰囲気中で使用した:第一のターゲットは8%Alをドープされたケイ素から構成され、第二のターゲットは金属銀ターゲットであった。層への電力供給は第一試料に対しては層中に0.5原子%のAgを得るためにかつ第二試料に対しては層中に1原子%のAgを得るために調節された。層厚は第一試料に対しては80nmであり、第二試料に対しては150nmであった。
透明ソーダ石灰ガラスの二つの試料を二つの金属ターゲット(SnとAg)を用いてコスパッタリングによりSnO2−Agの層で被覆した。層の厚さはそれぞれ80と40nmであり、付着したAgの量はそれぞれ2と30mg/m2である。抗細菌効果は前の実施例と同じ方法で測定された。log4.4と4.5の値が得られた。
透明ソーダ石灰ガラスの二つの試料を二つの金属ターゲット(ZrとAg)を用いてコスパッタリングによりZrO2−Agの層で被覆した。層への電力供給は第一試料に対しては1.2原子%のAgを、第二試料に対しては3.4原子%のAgを得るために調節された。抗細菌効果は前の実施例と同じ方法で測定された。両試料に対しlog4の値が得られた。
SnO2−Agのコスパッタリングを二つの異なる基板上に付着した。付着されたAgの量は表面のm2当り46mgに達し、混合層の厚さは17nmである。
SnO2−Agのコスパッタリングを二つの異なる金属基板の上に付着した。付着されたAgの量は表面のm2当り46mgに達し、混合層の厚さは17nmである。
Claims (19)
- (好ましくは磁気的に増強された)真空スパッタリング法により付着された少なくとも一つの混合層で基板の表面の少なくとも一つを被覆した基板において、この層が金属酸化物、オキシナイトライド、オキシカーバイド、カーバイド、DLCまたは窒化物、特にSiO2,SnO2,ZrO2,ZnO,TiO2,NbOx,Al2O3,Si3N4,TiN,AlN及びそれらの混合物の中から選ばれた結合材料と混合された少なくとも一つの抗微生物剤を含むことを特徴とする基板。
- 抗微生物剤の拡散を減速するまたは阻止する機能を持つアンダー層を被覆されていることを特徴とする請求項1に記載の基板。
- 抗微生物剤が銀、銅及び亜鉛から選ばれることを特徴とする請求項1または2に記載の基板。
- 含まれる抗微生物剤の合計量が抗微生物表面のm2当り0.1mgより多く、好ましくは1mgより多く、特に好ましくは10mgより多いことを特徴とする請求項1から3のいずれか一つに記載の基板。
- 次の細菌:大腸菌、黄色ブドウ球菌、緑膿菌の少なくとも一つに対して、(標準規格JIS Z 2801に従って測定すると)log1より高い、好ましくはlog2より高い、特に好ましくはlog2.5より高い殺細菌効果を持つことを特徴とする請求項1から4のいずれか一つに記載の基板。
- 層が酸化スズと、銀、銅及び亜鉛から選ばれた抗微生物剤とを含むことを特徴とする請求項1から5のいずれか一つに記載の基板。
- ZrO2に基づく第一層と、TiO2、特に少なくとも部分的にアナターゼ形で結晶化されたTiO2に基づく第二層を含むアンダーコートで覆われていることを特徴とする請求項1から6のいずれか一つに記載の基板。
- 基板が金属であることを特徴とする請求項1から7のいずれか一つに記載の基板。
- 基板がガラスタイプの基板であることを特徴とする請求項1から7のいずれか一つに記載の基板。
- 基板が後の段階で焼戻しされることができること、及び基板が焼戻し処理の後でも抗微生物性を保つことを特徴とする請求項1から9のいずれか一つに記載の基板。
- 基板がアニールされた特性を与えることを特徴とする請求項9から10のいずれかに記載の基板。
- 抗微生物性を持つ基板の製造方法において、それが抗微生物剤をドープされた金属酸化物の混合層をスパッタリングにより付着することからなることを特徴とする方法。
- 二つの別個のターゲットが使用されることを特徴とする請求項12に記載の方法。
- 混合層がAgをドープされたSiO2,SnO2,ZrO2,ZnO,TiO2,NbOx,Al2O3,Si3N4,TiN,AlNまたはそれらの混合物、特にZnSnOxの層からなることを特徴とする請求項12または13のいずれか一つに記載の方法。
- 基板のm2当り2〜1000mg、好ましくは10〜250mg、最も好ましくは20〜100mgの抗微生物剤を含む層が基板上に付着されることを特徴とする請求項12から14のいずれか一つに記載の方法。
- 焼戻しされた抗微生物性のガラスタイプの基板の製造方法において:
(i)抗微生物剤と結合剤材料を含む混合層を真空スパッタリング法により付着する段階;
(ii)被覆された基板を基板の厚さに応じて5〜15分間600〜800℃の温度で焼戻しする段階
を含むことを特徴とする方法。 - 少なくとも一つのアンダー層が段階(i)の付着前に基板上に付着されることを特徴とする請求項16に記載の方法。
- アンダー層が焼戻し段階時の抗微生物剤の移動を阻止するまたは減速する機能を持つことを特徴とする請求項17に記載の方法。
- アンダー層が熱分解及びスパッター層の中から、特にPd,Ni−Cr,TiOx,NiCrOx,Nb,Ta,Al,ZrまたはZnAl、またはそれらの混合物のような金属酸化物、金属または金属合金化合物を含む層の中から選ばれることを特徴とする請求項17または18のいずれか一つに記載の方法。
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EP04106648.1 | 2004-12-16 | ||
EP04106648 | 2004-12-16 | ||
EP05101882.8 | 2005-03-10 | ||
EP05101882 | 2005-03-10 | ||
PCT/EP2005/056884 WO2006064060A1 (en) | 2004-12-16 | 2005-12-16 | Substrate with antimicrobial properties |
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JP2007546079A Expired - Fee Related JP5769911B2 (ja) | 2004-12-16 | 2005-12-16 | 抗微生物性を持つ基板の製造方法 |
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EP (4) | EP1828075B1 (ja) |
JP (2) | JP5305660B2 (ja) |
KR (2) | KR101380020B1 (ja) |
AT (2) | ATE489344T1 (ja) |
AU (2) | AU2005315563B2 (ja) |
CA (2) | CA2591036C (ja) |
DE (2) | DE602005026318D1 (ja) |
DK (1) | DK1828071T3 (ja) |
PL (1) | PL1828071T3 (ja) |
PT (1) | PT1828071E (ja) |
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