Microchip and particulate analyzing device
AssigneeSony Corporation
InventorsTatsumi Ito, Shoji Akiyama, Masaya Kakuta, Takeshi Yamasaki
Life of this patent
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Abstract
A microchip is provided, which includes a substrate including a fluid channel structure. The fluid channel structure includes a first fluid introduction channel and a second fluid introduction channel configured to meet so as to allow merging of a first fluid introduced from the first fluid introduction channel and a second fluid introduced from the second fluid introduction channel. A tapered portion is configured to be positioned after merging the first fluid and the second fluid so as to suppress a spiral flow field generated after the merging.
Claims13
A microchip formed by at least two substrate layers including a fluid channel structure, the fluid channel structure including a first fluid introduction channel and a second fluid introduction channel configured to meet at a communicating port so as to allow merging of a first fluid introduced from the first fluid introduction channel and a second fluid introduced from the second fluid introduction channel, and a tapered portion configured to be positioned so as to suppress a spiral flow field generated after the merging, wherein the fluid channel structure defines a fluid flow direction, wherein at least a portion along the fluid flow direction of the first fluid introduction channel is formed only on one substrate layer and a detection portion is formed on the same one substrate layer, and wherein the microchip comprises a contracted portion positioned downstream of the tapered portion, the tapered portion and the contracted portion are spaced apart, and the tapered portion and the contracted portion are fabricated on the at least two substrate layers.
A particulate analyzing device comprising:
- a microchip formed by at least two substrate layers including a fluid channel structure, the fluid channel structure including a first fluid introduction channel and a second fluid introduction channel configured to meet at a communicating port so as to allow merging of a first fluid introduced from the first fluid introduction channel and a second fluid introduced from the second fluid introduction channel, and a tapered portion configured to be positioned so as to suppress a spiral flow field generated after the merging, wherein the fluid channel structure defines a fluid flow direction, wherein at least a portion along the fluid flow direction of the first fluid introduction channel is formed only on one substrate layer and a detection portion is formed on the same one substrate layer, and wherein the microchip comprises a contracted portion positioned downstream of the tapered portion, the tapered portion and the contracted portion are spaced apart, and the tapered portion and the contracted portion are fabricated on the at least two substrate layers.
A method of manufacturing a microchip comprising:
- providing at least two substrate layers including a fluid channel structure, the fluid channel structure including a first fluid introduction channel and a second fluid introduction channel configured to meet at a communicating port so as to allow merging of a first fluid introduced from the first fluid introduction channel and a second fluid introduced from the second fluid introduction channel, and a tapered portion configured to be positioned to suppress a spiral flow field generated after the merging, wherein the fluid channel structure defines a fluid flow direction, wherein at least a portion along the fluid flow direction of the first fluid introduction channel is formed only on one substrate layer and a detection portion is formed on the same one substrate layer, and wherein the microchip comprises a contracted portion positioned downstream of the tapered portion, the tapered portion and the contracted portion are spaced apart, and the tapered portion and the contracted portion are fabricated on the at least two substrate layers.
Dependencies are inferred from the claim text.