Biochip and fabrication thereof
A biochip device comprising a plastic substrate, an IC chip, and a sealing cover is disclosed in this invention. The plastic substrate comprises a variety of microfluidic structures including an inlet region of loading the fluidic sample, a separation structure, a microfluidic channel, a structure for slowing the flow of the fluidic sample, a reaction region, a detection zone groove, and a closed area for collecting the fluidic sample, wherein the microfluidic channel is connected from the inlet region, the separation structure, the structure for slowing the flow of the fluidic sample, the reaction region to the closed area for collecting the fluidic sample; and at least one golden fingers located at an edge of the plastic substrate and extended with convergent spacing to the edge of the detection zone groove. The plastic substrate is embedded with an IC chip and covered by a sealing cover so as to generate degas-driven flow to drive the fluidic sample to flow to the detection structure without extra pump. The detection area is constituted by the IC chip which is embedded into the plastic substrate.
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