WO2013027896A1 - 마이크로 칩 - Google Patents
마이크로 칩 Download PDFInfo
- Publication number
- WO2013027896A1 WO2013027896A1 PCT/KR2011/008832 KR2011008832W WO2013027896A1 WO 2013027896 A1 WO2013027896 A1 WO 2013027896A1 KR 2011008832 W KR2011008832 W KR 2011008832W WO 2013027896 A1 WO2013027896 A1 WO 2013027896A1
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- WO
- WIPO (PCT)
- Prior art keywords
- channel
- junction
- plate
- microchip
- channel cover
- Prior art date
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
- B01L3/502715—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip characterised by interfacing components, e.g. fluidic, electrical, optical or mechanical interfaces
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/02—Form or structure of the vessel
- C12M23/16—Microfluidic devices; Capillary tubes
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M1/00—Apparatus for enzymology or microbiology
- C12M1/34—Measuring or testing with condition measuring or sensing means, e.g. colony counters
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M3/00—Tissue, human, animal or plant cell, or virus culture apparatus
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M35/00—Means for application of stress for stimulating the growth of microorganisms or the generation of fermentation or metabolic products; Means for electroporation or cell fusion
- C12M35/04—Mechanical means, e.g. sonic waves, stretching forces, pressure or shear stimuli
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/11—Automated chemical analysis
Definitions
- the present invention relates to a microchip, and more particularly, to a microchip capable of providing a channel having a stable structure by allowing the channel cover portion forming the channel to be elastically in close contact with the channel formation region of the second plate.
- microchips containing channel-type structures in the fields of biology, medicine, environmental engineering, and food engineering are widely used for the purpose of culturing cells, counting various particles including cells, and inducing or measuring fluid responses. Has been.
- the hemocytometer a microchip commonly used for cell counting, is a device for defining a fixed volume, and a height jaw that defines the exact height of the lower plate and the upper plate is manufactured by glass processing, and covered thereon. The glass has been shown to maintain a precise height.
- microfluidics As described above, the movement, reaction, mixing, and detection of fluids using microchannels are very commonly used in microfluidics.
- a microchip in which two or more plates are precisely bonded to form a channel structure containing a fluid is provided. Producing is a prerequisite.
- FIG. 18 is a perspective view illustrating a microchip according to the related art.
- the conventional microchip 10 has a channel 13 between the upper plate 11 and the upper plate 11 formed such that the injection portion 14 and the discharge portion 15 maintain a distance from each other.
- the bottom plate 12 is coupled to the bottom of the upper plate 11 to form a).
- the sample when the sample is injected into the injection hole 14, the sample may be filled in the channel by capillary action.
- the conventional microchip has a problem that the manufacturing process is complicated and difficult to require automated equipment for mass production, the manufacturing cost is increased due to the bonding process for bonding the upper plate and the lower plate.
- the conventional microchip has the disadvantage that the solvent used for adhesion may react with the biomaterial in the channel to induce unwanted biological and chemical reactions.
- the technical problem of the present invention is to provide a microchip capable of providing a channel having a stable structure by allowing the channel cover portion forming the channel to be elastically in close contact with the channel forming region of the second plate.
- the first plate And a second plate coupled to the first plate to form a channel
- the first plate comprises: a channel cover part; A first joint part spaced apart from the outer circumference of the channel cover part by a predetermined distance; And a tensile force generating connection part interconnecting the channel cover part and the first junction part such that the channel cover part elastically comes into close contact with the channel forming region of the second plate when the first plate and the second plate are coupled to each other. It is achieved by a microchip characterized in that.
- the tensile force generating connecting portion may be a plurality of tensile force generating connecting portion provided spaced apart from each other between the channel cover portion and the first junction.
- the tensile force generating connection portion may be provided with a thickness thinner than the channel cover portion and the first bonding portion.
- the tensile force generating connection portion may be provided in an upper region of the vertical surface facing the channel cover portion and the first junction portion.
- the tensile force generating connecting portion may have a plurality of straight lines curved or interconnected with the channel cover portion and the first junction portion so as to increase the connection distance relatively as compared with connecting the channel cover portion and the first junction portion at the shortest distance. Can be connected.
- the second plate may include a second joining portion formed at an edge to be coupled to the first joining portion; A bottom portion recessed downward from the second bonding portion in an upper surface central region; A channel portion protruding from the bottom portion; And protruding to form a closed loop from the bottom portion at a predetermined distance from the channel portion, wherein the bottom edge region of the channel cover portion is in close contact with the channel portion to form a channel between the channel portion and the channel cover portion. It may include a support wall protruding to a large thickness.
- the thickness of the support wall may be greater than the thickness of the second joining part so that the bottom surface of the channel cover part may be supported by the upper surface of the support wall when the first joining part and the second joining part are joined.
- the support wall may be formed in any one shape selected from a polygon, a circle, and an oval.
- a reservoir portion may be formed between the support wall and the channel portion to primarily receive the solution.
- the first junction part and the second junction part may be coupled by a coupling means.
- the coupling means may include at least one hook projecting from a bottom surface of the first joining portion to be spaced apart from each other along a circumference of the first joining portion; And at least one hook insertion groove formed in the second joint portion at a position corresponding to the hook so that the hook can be inserted.
- the hook has a body portion provided to have a circular cross-sectional shape; And at least one deformation rib protruding from a surface along a circumference of the body portion so as to be spaced apart from each other by a predetermined distance.
- the coupling means may include: at least one post protruding from a bottom surface of the first junction portion to be spaced apart from each other along a circumference of the first junction portion; And at least one post insertion hole formed in the second joint part at a position corresponding to the post so that the post can be inserted therethrough.
- a locking step may be formed to have elasticity and protrude outward from the surface.
- the first junction part and the second junction part may be coupled to each other by a coupling means, and then the coupling part or the channel part may be sealed by solvent bonding or ultrasonic bonding.
- the channel cover portion formed on the first plate is elastically in close contact with the support wall of the second plate by the tension generating connection portion, the channel cover portion and the support wall can keep the airtight, and thus the solution contained in the channel leaks.
- the phenomenon can be prevented and a microchip having a uniform channel height can be provided.
- FIG. 1 is an exploded perspective view of a microchip according to an embodiment of the present invention.
- FIG. 2 is a perspective view of the first plate of the microchip of FIG. 1.
- 3 to 8 are perspective views of a first plate according to another embodiment of the present invention.
- FIG. 9 is a perspective view of the microchip of FIG. 1.
- 10 to 12 are perspective and partially enlarged cross-sectional views of the hook of the microchip of FIG.
- 13 to 15 are cross-sectional views taken along line A-A, line B-B and line C-C of FIG.
- FIG. 16 is a partially enlarged cross-sectional view of a post of the microchip of FIG. 1 in accordance with another embodiment of the present invention.
- FIG. 17 is an exploded perspective view of the microchip of FIG. 1 according to another embodiment of the present invention.
- FIG. 18 is a perspective view of a microchip according to the prior art.
- microchip of the present invention will be described assuming that it is used as a microchip for counting particles or cells in a sample, but the scope of the present invention is not limited thereto.
- microchip refers to a structure composed of two or more substrates or plates, one of which has a channel or space defined by two adjacent substrates or plates, wherein the channel or space includes a test or Fluid or sample may be filled for analysis.
- the "microchip" of the present invention can be used for various purposes for testing or analysis in various fields such as biotechnology, food, chemistry, and medicine.
- FIG. 1 is an exploded perspective view of a microchip according to an embodiment of the present invention
- FIG. 2 is a perspective view of a first plate of the microchip of FIG. 1
- FIGS. 3 to 8 are first views according to another embodiment of the present invention.
- 9 is a perspective view of the microchip of FIG. 1
- FIG. 10 to FIG. 12 are perspective and partially enlarged cross-sectional views of the hook of the microchip of FIG. 1
- FIGS. 13 to 15 are AA lines of FIG. 9. Sectional drawing along lines BB and CC.
- the microchip 100 may include a first plate 200 having a channel cover part 240 having an injection hole 220 and an discharge hole 230, and a channel part. And a second plate 300 having a support portion 330 and a support wall 340 to be coupled to the first plate 200 to form a channel 400 between the channel portion 330 and the channel cover portion 240. do.
- the first plate 200 and the second plate 300 are each made of a transparent synthetic resin material, but the scope of the present invention is limited by the materials of the first plate 200 and the second plate 300. It doesn't work.
- the microchip 100 of the present invention may further include a third plate 400 coupled to the second plate 300 at a position opposite to the first plate 200 (see FIG. 17).
- the bottom surface of the first plate 200 has the same structure as the upper surface is formed
- the first plate 200 and the third plate 400 is the first plate 100 and the second plate 300
- the coupling method of the first plate 200 and the third plate 400 is omitted in FIG. 17). Matters related to this will be made through the description of the present embodiment to be described later, so detailed description thereof will be omitted.
- the first plate 200 maintains a distance between an injection hole 220 through which a sample (solution) is injected, and an discharge hole 230 through which air in the channel 400 is discharged when the sample is injected into the injection hole 220.
- a channel cover part 240 provided to be formed at a predetermined distance from the outer circumference of the channel cover part 240.
- the first plate 200 further includes a plurality of tensile force generating connecting portions 260 interconnecting the first junction portion 250 and the channel cover portion 240.
- Tensile force generating connection 260 is a channel cover portion 240 is configured to generate a tensile force to pull the channel cover portion 240 in all directions so as to be in close contact with the support wall 340 of the second plate 300, the channel cover It is provided to have a thickness thinner than the portion 240 and the first junction 250.
- the thickness of the tensile force generating connecting portion 260 to be thinner than the thickness of the channel cover portion 240 and the first bonding portion 250 generates sufficient tensile force when the first plate 200 and the second plate 300 are combined. To do so.
- the tensile force generating connection portion 260 has a thickness equal to or greater than the thickness of the channel cover portion 240 and the first junction portion 250, sufficient tensile force when the first plate 200 and the second plate 300 are coupled to each other. This may cause a problem that can not be exerted to adjust the thickness of the tensile force generating connection 260.
- the thickness of the tensile force generating connecting portion 260 may vary as necessary.
- Each tensile force generating connection 260 is formed in the upper region of the vertical surfaces 240A and 250A facing the channel cover 240 and the first junction 250, as shown in FIG. 15.
- connection portion 260 is formed in the lower regions of the vertical surfaces 240A and 250A, even if the first junction portion 250 and the second junction portion 310 are combined, sufficient deformation does not occur, so that no tensile force is generated. It can be generated insignificantly.
- the tension generating connector 260 of the present embodiment is provided such that both sides are integrally formed in the upper regions of the vertical surfaces 240A and 250A, respectively.
- the tensile force generating connection portion 260 is not made of a plurality, it may be made in a form that is formed only thinner than the thickness of the channel cover portion 240 and the first junction portion 250. Even in this case, both sides are integrally formed in the upper regions of the vertical surfaces 240A and 250A, respectively, so that a sufficient elastic force may act on the channel cover part 240 as described above.
- the tensile force generating connection portion (260a. 260b, 260c, 260d, 260e, 260f) in accordance with another embodiment of the present invention channel cover portion 240 and the first junction 250 It may be provided as a plurality of straight lines that are curved or interconnected between the).
- the curved line and the straight line mean a member having a constant volume whose cross section is curved or straight.
- the tensile force generating connection portions 260a, 260b, 260c, 260d, 260e, and 260f of various shapes shown in FIGS. 3 to 8 connect the channel cover 240 and the first junction 250 at the shortest distance as shown in FIG. 2.
- Previously tensile force generating portion 260 has a relatively increased connection distance.
- connection portions 260a, 260b, 260c, 260d, 260e, and 260f having relatively increased connection distances are coupled to each other when the first junction 250 and the second junction 310 are coupled by the hook 270. It has the advantage of exhibiting a more elastic tensile force.
- the channel cover part 240 and the first junction part are different from the tensile force generating connection parts 260a, 260b, 260c, 260d, 260e, and 260f shown in FIG. 2. It may have the same thickness as 250.
- one injection hole 220a and one discharge port 230a are respectively formed in the first plates 200a, 200b, 200c, 200d, 200e, and 200f, and accordingly, One channel (not shown) is also formed in the two plate 300.
- the inlets 220a and the outlets 230a of the first plates 200a, 200b, 200c, 200d, 200e, and 200f may be formed in the same pair as the first plate 200 illustrated in FIG. 1. (Not shown), a pair of channels may be formed in the second plate.
- inlet 220a and the outlet 230a are not limited in shape and number, but may be formed in various shapes, and may be configured as a plurality of pairs rather than a pair.
- the second plate 300 is coupled to the first plate 200 to form a channel 400 therebetween.
- a second junction 310 formed at an edge in a shape corresponding to the first junction 250, a bottom portion 320 recessed to a predetermined depth in a central region of the upper surface, and an upper portion from the bottom portion 320.
- a support wall 340 protruding to have a figure shape closed from the bottom part 320 at a position spaced apart from the channel part 330 by a predetermined distance from the channel part 330.
- the channel part 330 is configured to extend in the longitudinal direction so that both sides thereof correspond to the inlet 220 and the outlet 230, respectively.
- the channel part 330 is formed to protrude from the recessed bottom part 320 of the second plate 300.
- the microchip 100 includes the first plate 100 and the second plate 300 coupled thereto. Even so, the overall thickness may not be thicker than necessary.
- the support wall 340 has a thickness greater than that of the channel portion 330 such that the bottom edge region of the channel cover portion 240 is in close contact with each other so that the channel 400 is formed between the channel portion 330 and the bottom surface of the channel cover portion 240.
- the protrusion is formed.
- the thickness of the support wall 340 may be such that the bottom surface of the channel cover 240 may be supported by the top surface of the support wall 340. 310 is formed larger than the thickness.
- the support wall 340 is formed in a rectangular shape around the channel portion 330 formed long in the longitudinal direction, but the scope of the present invention is not limited by the shape of the support wall 340 Do not.
- the support wall 340 may be formed in any one shape selected from polygonal, circular, and oval as long as adhesiveness and airtightness can be maintained between the channel cover part 240. have.
- the second plate 300 is provided so that one side of the channel portion 330 is inclined toward the reservoir portion 350 and the reservoir portion 350 is first accommodated in the solution injected through the inlet 220 It further includes an inclined surface 360.
- the reservoir portion 350 is formed in the second plate 300 between the support wall 340 and the channel portion 330 at a position corresponding to the injection hole 220 formed in the first plate 200 to receive the solution first.
- the inclined surface 360 is a configuration in which one side of the channel portion 300 is inclined so that the solution contained in the reservoir portion 350 can easily move to the upper surface of the channel portion 330, that is, the channel 400. .
- the solution injected into the inlet 220 is first accommodated in the reservoir 350 and then smoothly moves to the channel 400 by riding the inclined surface 360 by capillary force.
- the microchip 100 further includes a coupling means for coupling the first plate 200 and the second plate 300 in a one-touch manner.
- the coupling means is provided at the first junction 250 and the second junction 310, respectively, and a plurality of hooks 270 are formed at the bottom of the first junction 250.
- hook insertion grooves 370 are formed at positions corresponding to the hooks 270, respectively.
- the hook 270 is fitted into the hook insertion groove 370 so that the first plate 200 and the second plate 300 can be coupled in a one-touch fitting manner.
- the hook 270 protrudes from the bottom of the first joining part 250, and has a body portion 270A and a body portion 270A provided to have a circular cross-sectional shape. At least one deformation rib 270B protruding from the surface along the perimeter of the.
- the hook insertion groove 370 is recessed in the second junction 310.
- the deformed rib 270B is deformed when the body portion 270A is fitted into the hook insertion groove 370, and is sandwiched between the body portion 270A and the hook insertion groove 370, so that the body portion 270A is hooked with the hook insertion groove ( 370) to securely fix the role.
- the coupling means of this embodiment may be replaced by the post 280 of the embodiment described below, various forms that can combine the first plate 200 and the second plate 300 according to another embodiment of the present invention. May be changed to.
- the first junction 250 and the second junction 310 are in close contact with each other.
- 270 is inserted into the hook insertion groove 370.
- first bonding portion 250 and the second bonding portion 310 are pressed from the outside so that the hook 270 of the first bonding portion 250 is fitted into the hook insertion groove 370 of the second bonding portion 310.
- the deformed rib 270B protruding from the outer circumferential surface thereof is deformed and is elastically sandwiched therebetween so that the body portion 270A is It becomes an interference fit in the hook insertion groove 370. Accordingly, the first junction 250 and the second junction 310 are firmly, quickly and easily coupled.
- the bottom edge of the channel cover part 240 is in close contact with the upper surface of the support wall 340.
- the tensile force generating connecting portion 260 formed thinner than the channel cover portion 240 and the first bonding portion 250 is connected to the upper regions of the vertical surfaces 240A and 250A, respectively, so that the channel cover portion 240 and the first bonding portion 250 are formed.
- the tension generating connector 260 generates an elastic force by pulling the channel cover part 240 in all directions, and at the same time, the elastic force so that the bottom of the channel cover part 240 is in close contact with the support wall 340. Let's go.
- channel cover portion 240 may be in close contact with the support wall 340 elastically by each tension generating connector 260.
- a channel 400 having a constant volume is formed between the channel cover part 240 and the channel part 330. That is, since the channel cover part 240 is in close contact with the support wall 340 while being stretched in all directions by the tensile force of the tension generating connector 260, there is no deformation of the channel cover part 240 and the contact surface with the support wall 340. Since the channel 400 is formed inside the volume is uniform.
- the sample solution is injected through the injection hole 220.
- the injected solution is temporarily accommodated in the reservoir 350 and then the inclined surface 360.
- the capillary force moves along the channel 400 formed between the channel cover part 240 and the channel part 330.
- the channel cover part 240 formed on the first plate 200 is elastically adhered to the support wall 340 of the second plate 300 by the tensile force generating connection part 260.
- the cover portion 240 and the support wall 340 can maintain the airtightness, thereby preventing the leakage of the solution contained in the channel 400 and has the advantage that the height of the channel 400 is uniform.
- FIG. 16 is a partially enlarged cross-sectional view of a post of the microchip of FIG. 1 in accordance with another embodiment of the present invention.
- Each configuration of the microchip shown in FIG. 16 is substantially the same as each configuration of the microchip 100 of the above-described embodiment, but has a difference in the coupling means. Hereinafter, only the coupling means will be described in detail. .
- Coupling means of the microchip (not shown) is a plurality of posts 280 and protruded so as to be spaced apart from each other along the circumference of the bottom of the first bonding portion 250, the post 280 is to be fitted through It includes a plurality of post insertion hole 380 is formed in the second bonding portion 310 of the position corresponding to the post 280.
- the post 280 is provided to protrude along the bottom circumference of the first joining part 250 and is inserted into a post insertion hole 380 formed through the circumference of the second joining part 310, thereby providing the first plate 200 and the second.
- the plates 300 are to be coupled to each other.
- the outer circumferential surface of the post 280 may be further provided with a deformation rib 270B provided around the body portion 270A of the hook 270 described above to reinforce the coupling force.
- the end of the hook 270 or the post 280 is provided with a locking jaw having elasticity may be caught after being inserted into the hook insertion groove 370 or the post insertion hole 380.
- first bonding portion 250 and the second bonding portion 310 are mutually coupled by a coupling means provided as a hook 270 or a post 280, and then the bonding portion or the channel portion 330 by solvent bonding or ultrasonic bonding. ) May be sealed.
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Abstract
Description
Claims (15)
- 제1 플레이트; 및채널이 형성되도록 상기 제1 플레이트에 결합되는 제2 플레이트를 포함하되,상기 제1 플레이트는,채널덮개부;상기 채널덮개부의 외측 둘레로부터 일정간격 이격되어 마련되는 제1 접합부; 및상기 제1 플레이트와 상기 제2 플레이트가 결합되는 경우 상기 채널덮개부가 상기 제2 플레이트의 채널 형성 영역에 탄력적으로 밀착되도록 상기 채널덮개부와 상기 제1 접합부를 상호 연결하는 인장력 발생 연결부를 포함하는 것을 특징으로 하는 마이크로 칩.
- 제1항에 있어서,상기 인장력 발생 연결부는,상기 채널덮개부와 상기 제1 접합부 사이에서 상호 일정간격 이격되어 마련되는 다수의 인장력 발생 연결부인 것을 특징으로 하는 마이크로 칩.
- 제2항에 있어서,상기 인장력 발생 연결부는,상기 채널덮개부 및 상기 제1 접합부보다 얇은 두께로 마련되는 것을 특징으로 하는 마이크로 칩.
- 제3항에 있어서,상기 인장력 발생 연결부는,상기 채널덮개부 및 상기 제1 접합부의 마주보는 수직면의 상부영역에 마련되는 것을 특징으로 하는 마이크로 칩.
- 제2항에 있어서,상기 인장력 발생 연결부는,상기 채널덮개부 및 상기 제1 접합부를 최단거리로 연결하는 것에 비하여 상대적으로 연결거리를 증가시킬 수 있도록 상기 채널덮개부 및 상기 제1 접합부를 곡선 또는 상호 연결되는 다수의 직선으로 연결하는 것을 특징으로 하는 마이크로 칩.
- 제1항에 있어서,상기 제2 플레이트는,상기 제1 접합부에 결합되도록 가장자리에 형성되는 제2 접합부;상면 중앙 영역에서 상기 제2 접합부의 하측으로 함몰 형성되는 바닥부;상기 바닥부로부터 돌출 형성되는 채널부; 및상기 채널부와 일정간격 이격된 위치의 상기 바닥부로부터 폐루프를 이루도록 돌출 형성되되, 상기 채널덮개부의 저면 가장자리 영역이 밀착되어 상기 채널부와 채널덮개부 사이에 채널이 형성되도록 상기 채널부보다 큰 두께로 돌출되는 지지벽을 포함하는 것을 특징으로 하는 마이크로 칩.
- 제6항에 있어서,상기 제1 접합부 및 상기 제2 접합부의 결합시 상기 채널덮개부의 저면이 상기 지지벽의 상면에 의하여 지지될 수 있도록 상기 지지벽의 두께는 상기 제2 접합부의 두께보다 큰 것을 특징으로 하는 마이크로 칩.
- 제6항에 있어서,상기 지지벽은 다각형, 원형 및 타원형 중에서 선택된 어느 하나의 형상으로 형성되는 것을 특징으로 하는 마이크로 칩.
- 제5항에 있어서,상기 지지벽과 상기 채널부 사이에는 상기 용액이 일차적으로 수용되는 리저브부가 형성되어 있는 것을 특징으로 하는 마이크로 칩.
- 제6항에 있어서,상기 제1 접합부와 제2 접합부는 결합수단에 의해 결합되는 것을 특징으로 하는 마이크로 칩.
- 제10항에 있어서,상기 결합수단은,제1 접합부의 둘레를 따라 상호 일정간격 이격되도록 제1 접합부의 저면으로부터 돌출되는 적어도 하나의 후크; 및상기 후크가 삽입될 수 있도록 상기 후크와 대응되는 위치의 상기 제2 접합부에 형성되는 적어도 하나의 후크삽입홈을 포함하는 것을 특징으로 하는 마이크로 칩.
- 제11항에 있어서,상기 후크는,원형 단면형상을 갖도록 마련되는 몸체부; 및상호 일정간격 이격되도록 상기 몸체부의 둘레를 따라 표면으로부터 돌출 형성되는 적어도 하나 이상의 변형리브를 포함하는 것을 특징으로 하는 마이크로 칩.
- 제10항에 있어서,상기 결합수단은,상기 제1 접합부의 둘레를 따라 상호 일정간격 이격되도록 제1 접합부의 저면으로부터 돌출되는 적어도 하나의 포스트; 및상기 포스트가 관통하여 끼워질 수 있도록 상기 포스트와 대응되는 위치의 상기 제2 접합부에 형성되는 적어도 하나의 포스트 삽입공을 포함하는 것을 특징으로 하는 마이크로 칩.
- 제13항에 있어서,상기 포스트의 일단부에는,탄성을 가지며 표면으로부터 외측방향으로 돌출 형성되는 걸림턱이 형성되는 것을 특징으로 하는 마이크로 칩.
- 제10항에 있어서,상기 제1 접합부 및 상기 제2 접합부는,결합수단에 의하여 상호 결합된 후 용제 접합 또는 초음파 접합에 의하여 결합부분 또는 상기 채널부가 밀폐되는 것을 특징으로 하는 마이크로 칩.
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CN106715325A (zh) | 2014-09-02 | 2017-05-24 | 生物辐射实验室股份有限公司 | 具有流体保留槽的微尺度流体装置和部件 |
USD849265S1 (en) * | 2017-04-21 | 2019-05-21 | Precision Nanosystems Inc | Microfluidic chip |
BG67480B1 (bg) | 2019-10-30 | 2022-12-15 | "Милкотроник" Оод | Устройство за диференциално броене на микрочастици в биологични течности |
KR102558990B1 (ko) * | 2023-04-19 | 2023-07-21 | 이찬호 | 계수챔버를 갖는 정자 관찰용 슬라이드 |
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KR20130020254A (ko) | 2013-02-27 |
JP5841664B2 (ja) | 2016-01-13 |
US20140178267A1 (en) | 2014-06-26 |
EP2746767A1 (en) | 2014-06-25 |
US8808642B2 (en) | 2014-08-19 |
EP2746767A4 (en) | 2015-01-21 |
JP2014524585A (ja) | 2014-09-22 |
EP2746767B1 (en) | 2017-08-30 |
CN103733064A (zh) | 2014-04-16 |
KR101242540B1 (ko) | 2013-03-19 |
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