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Microchannel in microtechnology is a channel with a hydraulic diameter below 1 mm, usually 1–99 μm. [1] Microchannels are used in fluid control (see Microfluidics), heat transfer (see Micro heat exchanger) and cell migration observation. [2] They are more efficient than their 'marco' counterparts, because of a high surface-area to volume ratio yet posses a multitude of challenges due to their small size. [3]
Different types of materials are required for the different uses of microchannels. These are the three main categories. [4]
polymethyl methacrylate (PMMA) is used as a solution to a wide range of microfluidic devices due to it's low cost and easier fabricating methods. [4] Silicon elastomers can be used for situations in which elasticity and deformation is necessary. [5]
Metallic substrates are often chosen for their advantageous metallic properties, such as withstanding high temperatures and transferring heat faster. They can be subject to corrosion. [4] [6]
The concept of the microchannel was proposed for the first time by researchers Tuckerman and Pease of Stanford Electronics Laboratories in 1981. [7] They suggested an effective method for designing microchannels in the laminar and fully developed flow. [8]
Microchannels are extensively used in the pharmaceuticals, and biochemical industries due to short diffusion distances, higher interfacial area, and higher heat/mass transfer rates. [9]
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hello, this is not done, just saving it
Microchannel in microtechnology is a channel with a hydraulic diameter below 1 mm, usually 1–99 μm. [1] Microchannels are used in fluid control (see Microfluidics), heat transfer (see Micro heat exchanger) and cell migration observation. [2] They are more efficient than their 'marco' counterparts, because of a high surface-area to volume ratio yet posses a multitude of challenges due to their small size. [3]
Different types of materials are required for the different uses of microchannels. These are the three main categories. [4]
polymethyl methacrylate (PMMA) is used as a solution to a wide range of microfluidic devices due to it's low cost and easier fabricating methods. [4] Silicon elastomers can be used for situations in which elasticity and deformation is necessary. [5]
Metallic substrates are often chosen for their advantageous metallic properties, such as withstanding high temperatures and transferring heat faster. They can be subject to corrosion. [4] [6]
The concept of the microchannel was proposed for the first time by researchers Tuckerman and Pease of Stanford Electronics Laboratories in 1981. [7] They suggested an effective method for designing microchannels in the laminar and fully developed flow. [8]
Microchannels are extensively used in the pharmaceuticals, and biochemical industries due to short diffusion distances, higher interfacial area, and higher heat/mass transfer rates. [9]
{{
cite journal}}
: line feed character in |title=
at position 54 (
help)