Top-down

 

Refers to making nanoscale structures by machining and etching techniques.

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A general approach going from large items to smaller ones. The opposite of bottom up. In a lithographic sense it means to produce micro- or nanoscaled structures using macroscopic instruments. The most common method is photolithography, which is capable of producing sub-100 nm features. Other examples are electron beam lithography (EBL) and scanning probe lithography (SPN).

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Refers to making nanoscale structures by machining and etching techniques.

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Molding, carving and fabricating small materials and components by using larger objects such as our hands, tools and lasers.

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The building of small machines and materials (via carving, molding, or machining), using larger items such as tools and lasers.

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Refer to this page:

Top-down and bottom-up design

Nanosensor

Nanotechnology

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Related Terms:

 

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