MICRO FLUID SYSTEM SUPPORT AND MANUFACTURING METHOD THEREOF

• US 20090269245A1
• Filed: 07/01/2009
• Published: 10/29/2009
• Est. Priority Date: 02/25/2002
• Status: Active Grant

• Current Assignee: Hitachi Chemical Company Limited (Resonac Holdings Corp.)
• Original Assignee: Hitachi Chemical Company Limited (Resonac Holdings Corp.)
• Inventors: KAWAZOE, Hiroshi, NAKASO, Akishi, ARIKE, Shigeharu
• Granted Patent: US 8,889,084 B2
• Time in Patent Office: Days
• US Class Current: 422/99
• CPC Class Codes: B01J 19/0093 Microreactors, e.g. miniaturised or microfabricated reactors laboratory containers with capillary fluid transport in microfabricated channels or chambers B01L3/5027
• CPC Class Codes: B01J 2219/00783 Laminate assemblies, i.e. the reactor comprising a stack of plates
• CPC Class Codes: B01J 2219/00788 Three-dimensional assemblies, i.e. the reactor comprising a form other than a stack of plates
• CPC Class Codes: B01J 2219/00822 Metal
• CPC Class Codes: B01J 2219/00833 Plastic
• CPC Class Codes: B01J 2219/0086 Dimensions of the flow channels
• CPC Class Codes: B01J 2219/00869 Microreactors placed in parallel, on the same or on different supports
• CPC Class Codes: B01L 2200/12 Specific details about manufacturing devices
• CPC Class Codes: B01L 2300/0816 Cards, e.g. flat sample carriers usually with flow in two horizontal directions
• CPC Class Codes: B01L 2300/0838 Capillaries
• CPC Class Codes: B01L 2300/0874 Three dimensional network
• CPC Class Codes: B01L 2300/0887 Laminated structure
• CPC Class Codes: B01L 2400/0481 squeezing of channels or chambers
• CPC Class Codes: B01L 2400/0655 pinch valves
• CPC Class Codes: B01L 3/502707 characterised by the manufacture of the container or its components by shaping or joining plastic parts B29C59/00, B29C65/00; by laminating B32B37/00; manufacture of microstructural devices in general B81C
• CPC Class Codes: B81B 2201/051 Micromixers, microreactors
• CPC Class Codes: B81C 1/00119 Arrangement of basic structures like cavities or channels, e.g. suitable for microfluidic systems
• CPC Class Codes: B81C 2201/019 Bonding or gluing multiple substrate layers
• CPC Class Codes: B81C 2203/032 Gluing
• CPC Class Codes: Y10T 156/10 Methods of surface bonding and/or assembly therefor

Abstract

A support unit for a microfluidic system includes a first support; a first adhesive layer provided on a surface of the first support; and a hollow filament laid on a surface of the first adhesive layer to have an arbitrary shape and functioning as a flow channel layer of the microfluidic system.

Claims

1-16. -16. (canceled)

17. A support unit for a microfluidic system, comprising:

a first support;

a first adhesive layer provided on a surface of the first support; and

a hollow filament with curvatures laid on a surface of the first adhesive layer to have an arbitrary shape and functioning as a flow channel layer of the microfluidic system.

34. The support unit for a microfluidic system according to claim 17, 18 or 24, wherein laying shape of the hollow filament being fixed by the first adhesive layer.

37. The support unit for a microfluidic system according to claim 17, 18 or 24, wherein a terminal or a circuit is formed on the surface of at least one of the first support and the second support.

38. The support unit for a microfluidic system according to claim 17, 18 or 24, wherein at least one parts which is chosen among a micromachine, a heat generation element, a piezoelectric element, a sensor, an electronic part, a light part is formed on the surface at least one of the first support and the second support.

39. The support unit for a microfluidic system according to claim 17, 18 or 24, wherein the hollow filament has a straight line part.

40. The support unit for a microfluidic system according to claim 17, 18 or 24, wherein an end of the hollow filament exposes from the first support.

18. A support unit for a microfluidic system, comprising:

a first support;

a first adhesive layer provided on a surface of the first support; and

a first hollow filament group constituted by a plurality of hollow filaments with curvatures laid on a surface of the first adhesive layer and respectively functioning as a plurality of flow channel layers of the microfluidic system.

19. The support unit for a microfluidic system according to claim 18, further comprising:

a second adhesive layer provided on a surface of the first hollow filament group; and

a second support provided on a surface of the second adhesive layer.

20. The support unit for a microfluidic system according to claim 18 or 19, further comprising a second hollow filament group constituted by a plurality of hollow filaments laid in a direction so as to intersect with the first hollow filament group and functioning as another plurality of flow channel layers of the microfluidic system.

21. The support unit for a microfluidic system according to claim 18 or 19, wherein the plurality of hollow filaments is partially exposed from the first support.

22. The support unit for a microfluidic system according to claim 18 or 19, wherein a metal film is formed on a part of at least one of the plurality of hollow filaments.

23. The support unit for a microfluidic system according to claim 18 or 19, wherein at least one of the plurality of hollow filaments is partially provided with an optically transparent portion.

33. The support unit for a microfluidic system according to claim 18 or 19, wherein at least one of the hollow filament have light permeability.

24. A support unit for a microfluidic system, comprising:

a first support;

a first adhesive layer provided on a surface of the first support;

a plurality of hollow filaments with curvatures laid on the surface of the first adhesive layer;

a second adhesive layer provided on the first adhesive layer and the hollow filaments;

a second support provided on a surface of the second adhesive layer; and

a relay portion provided in the first adhesive layer and the second adhesive layer and connecting routes of the hollow filaments.

25. The support unit for a microfluidic system according to claim 24, wherein the relay portion includes a part of the second support.

35. The support unit for a microfluidic system according to claim 24, wherein the first adhesive layer and the second adhesive layer are adhered.

36. The support unit for a microfluidic system according to claim 24, wherein there is a cavity in circumference of the hollow filament.

26. A manufacturing method of a support unit for a microfluidic system, comprising:

forming a first adhesive layer on a surface of a first support; and

laying a hollow filament with curvatures on a surface of the first adhesive layer.

27. A manufacturing method of a support unit for a microfluidic system, comprising:

forming a first adhesive layer on a surface of a first support; and

laying a first hollow filament group constituted by a plurality of hollow filaments with curvatures, on a surface of the first adhesive layer.

28. The manufacturing method of a support unit for a microfluidic system according to claim 27, between the forming the first adhesive layer and laying the first hollow filament group, the manufacturing method further comprising:

providing release layers on the surface of the first adhesive layer at positions where the hollow filaments are exposed; and

providing a slit in the first support,

wherein the first hollow filament group is laid to be in contact with both surfaces of a pair of the release layers.

29. The manufacturing method of a support unit for a microfluidic system according to claim 27 or 28, further comprising the laying a second hollow filament group constituted by a plurality of hollow filaments in a direction so as to intersect with the first hollow filament group, after the laying the first hollow filament group.

30. The manufacturing method of a support unit for a microfluidic system according to claim 27 or 28, after the laying the first hollow filament group, the manufacturing method further comprising:

forming a second adhesive layer on a surface of the first hollow filament group; and

adhering a second support onto a surface of the second adhesive layer.

31. A manufacturing method of a support unit for a microfluidic system, comprising:

forming a first adhesive layer on a surface of a first support;

laying a plurality of hollow filaments with curvatures on a surface of the first adhesive layer;

forming a second adhesive layer on the first adhesive layer and the hollow filaments;

forming a relay portion in the first adhesive layer and the second adhesive layer; and

adhering a second support onto a surface of the second adhesive layer.

32. The manufacturing method of a support unit for a microfluidic system according to claim 31, wherein the forming the relay portion in the first adhesive layer and the second adhesive layer further includes forming the relay portion so that the second support becomes a part of the relay portion.