...small Pyrex glass slides which are approximately the size of a stick of gum. These slides have embedded microfluidic circuitry within them created by standard photolithography and wet chemical etching techniques. Once the microfluidic channels have been etched, a glass layer must be attached to the surface. To that end, they have found that bonding laminates to glass is one of the most difficult problem facing their research thus far. Presently, Prof. Kitamori has been producing "2-D" circuits, i.e. circuits on a single laminate. These 2-D structures can perform up to 40 individual steps or processes and are merely limited to space constraints. Typical channel dimensions are in the range of 20 μm in depth and 100 μm in width...
Japanese Center for Global Communications July 15, 2003
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