B - Operations – Transporting – 82 – B
Patent
B - Operations, Transporting
82
B
B82B 3/00 (2006.01) C30B 11/12 (2006.01) C30B 29/62 (2006.01)
Patent
CA 2522358
A nanoengineered structure comprising an array of more than about 1000 nanowhiskers on a substrate in a predetermined spatial configuration, for use for example as a photonic band gap array, wherein each nanowhisker is sited within a distance from a predetermined site not greater than about 20% of its distance from its nearest neighbour. To produce the array, an array of masses of a catalytic material are positioned on the surface, heat is applied and materials in gaseous form are introduced such as to create a catalytic seed particle from each mass, and to grow, from the catalytic seed particle, epitaxially, a nanowhisker of a predetermined material, and wherein each mass upon melting, retains approximately the same interface with the substrate surface such that forces causing the mass to migrate across said surface are less than a holding force across a wetted interface on the substrate surface. A nanoengineered structure comprising an array of more than about 1000 nanowhiskers on a substrate in a predetermined spatial configuration, for use for example as a photonic band gap array, wherein each nanowhisker is sited within a distance from a predetermined site not greater than about 20% of its distance from its nearest neighbour. To produce the array, an array of masses of a catalytic material are positioned on the surface, heat is applied and materials in gaseous form are introduced such as to create a catalytic seed particle from each mass, and to grow, from the catalytic seed particle, epitaxially, a nanowhisker of a predetermined material, and wherein each mass upon melting, retains approximately the same interface with the substrate surface such that forces causing the mass to migrate across said surface are less than a holding force across a wetted interface on the substrate surface.
L'invention a trait à une structure produite par nano-ingéniérie, qui comprend un réseau de plus d'un millier de nanotrichites placées sur un substrat selon une configuration spatiale prédéterminée, destinée à servir par exemple de réseau de largeur de bande interdite photonique. La distance séparant chaque nanotrichite d'un site prédéterminé ne dépasse pas 20 % de la distance la séparant de sa plus proche voisine. Afin de produire le réseau, on place un réseau de masses d'une matière catalytique sur la surface, on applique de la chaleur, et on introduit des matières sous forme gazeuse de façon à produire une particule germe catalytique à partir de chaque masse, et à faire croître épitaxialement, à partir de la particule germe catalytique, une nanotrichite d'une matière prédéterminée. Lors de la fusion, chaque masse retient approximativement la même interface avec la surface du substrat, de façon que des forces provoquant la migration de la masse à travers ladite surface soit inférieure à une force de maintien exercée à travers une interface mouillée sur la surface du substrat.
Martensson Thomas Martin Ingvar
Ohlsson Bjoern Jonas
Samuelson Lars Ivar
Blaney Mcmurtry Llp
Qunano Ab
Startskottet 22286 Ab
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