WO2005061894A1 - Mikropumpe und klebstoffreies verfahren zur verbindung zweier substrate - Google Patents
Mikropumpe und klebstoffreies verfahren zur verbindung zweier substrate Download PDFInfo
- Publication number
- WO2005061894A1 WO2005061894A1 PCT/EP2004/014505 EP2004014505W WO2005061894A1 WO 2005061894 A1 WO2005061894 A1 WO 2005061894A1 EP 2004014505 W EP2004014505 W EP 2004014505W WO 2005061894 A1 WO2005061894 A1 WO 2005061894A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- functional element
- channel
- layer
- valve flap
- substrate layer
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
- F04B43/04—Pumps having electric drive
- F04B43/043—Micropumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
- F04B53/1037—Flap valves
- F04B53/1047—Flap valves the valve being formed by one or more flexible elements
-
- 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
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7837—Direct response valves [i.e., check valve type]
- Y10T137/7879—Resilient material valve
- Y10T137/7888—With valve member flexing about securement
- Y10T137/7891—Flap or reed
Definitions
- the present invention relates to an adhesive-free process for
- connection of two substrates and in particular to a micropump which is produced in particular by means of the adhesive-free process for connecting two substrates.
- a large number of methods are known from the prior art for having a first, second and third essentially two-dimensionally formed layer composed in particular of plastic and / or glass and / or substrate and / or metal.
- the first, second and third layers can be connected to one another by means of adhesives, the methods known from the prior art each using three layers which are essentially the same in their areal extent.
- Micropumps are also known from the prior art, which essentially consist of a lower housing part and an upper housing part, between which a valve membrane is arranged, e.g. from DE-19720482 C2.
- the object of the present invention is therefore to provide a micropump of compact design with high pumping capacity, which can also be used in large sizes using simple and inexpensive production and connection techniques Quantities to be produced.
- Another object of the present invention is to provide an inexpensive manufacturing method for a micromechanical component, which essentially consists of a two-layer structure with a functional element between the two layers.
- FIG. 1a, b, c and d show a schematic representation of the basic elements of a device according to the invention
- FIGS. 2a, b and c each show modifications of the device according to the invention from FIG. 1;
- FIG. 3a shows a schematic plan view of the essential components of a device according to the invention according to a first embodiment of the present
- FIG. 3b shows a section through components of FIG. 3a arranged one above the other;
- Fig. 4a is a partial section through superimposed components of a device according to the invention according to a second embodiment of the present
- FIGS. 4b and c show a schematic top view of a functional element of the second embodiment of the present invention from FIG. 4a;
- 5a shows a schematic partial section through one above the other
- FIGS. 5b and c show a schematic plan view of a functional element of the third embodiment of the present invention from FIG. 5a;
- 6a shows a schematic representation of the arrangement of a device according to the invention according to a fourth embodiment of the present invention, and
- FIG. 6b shows a schematic representation of a functional element of a fourth embodiment of the present invention from FIG. 6a, and
- FIG. 6c shows a schematic representation of the arrangement of a invention
- FIG. 6d shows a schematic illustration of a functional element of a fifth embodiment of the present invention from FIG. 6c.
- FIG. 7 a and 7b further schematic representations in exploded representation or in section of a device according to the invention according to the first embodiment of the present invention from FIG. 3.
- FIG. 8 shows an advantageous modification of the functional element from FIG. 6d.
- Fig. 9 shows a schematic section through an inventive device in the arrangement of Fig. 6c.
- FIG. 10 shows an advantageous modification of the device according to the invention from FIG. 9.
- the present invention is based on the idea of specifying a method for connecting a first substrate layer 1, a second substrate layer 2 and a functional element 3, the functional element 3 being designed to be elastic and / or much thinner than the first 1 and second 2
- the first 1 and second 2 layers and the functional element 3 are essentially two-dimensional, the functional one Element 3 according to the invention has a smaller area than the first 1 and second 2 layers.
- the pressure and the material of layer 1 and layer 2 are selected such that layers 1 and 2 are permanently connected to one another after the pressure has been removed.
- the method according to the invention also comprises, in particular, the following steps, the functional element 3 being initially arranged at a predetermined position on one of the layers 1 or 2, for example on the layer 1, and then a suitable solvent on the one not covered by the functional element 3 Surface of the layer 1 or 2 is applied, and then the second layer 2 is arranged over the first layer 1 and the functional element 3, and then pressure is applied to the second layer 2, so that the first 1 and second 2 Layer with each other and the functional element 3 is clamped between the layers 1 and 2.
- the material of layers 1 and 2 and the solvent and the amount and duration of the pressure are selected such that layers 1 and 2 are permanently connected to one another after the pressure has been removed.
- the functional element suitably comprises a thin plastic film and / or a metal film.
- the first 1 and second 2 layers suitably comprise a substrate layer made of plastic and preferably made of polycarbonate and / or PPSU and / or PEI and / or melamine.
- Parallel basic idea of the present invention is to provide a device with channel-like structures for transporting and / or storing a liquid and / or gaseous medium, which comprises a first 1 and second 2 substrate layer, between which a functional element 3 is arranged, which is designed to be elastic and / or much thinner than the first 1 and second 2 Layer is formed, wherein the channel-like structures are formed in the first 1 and / or second 2 layer, and the first 1 and the second 2 layer are firmly and permanently connected to each other, and the functional element 3 between the first 1 and the second 2 Layer is clamped so that by means of the functional element 3, the channel-like structures in the first 1 and / or second 2 layer are at least partially sealed gas and / or liquid-tight.
- a device comprises, in particular, a functional element 3 which is designed as a movable element such that a channel-like structure in the first 1 and / or second 2 layer can be opened and / or closed by means of the functional element 3, the functional element 3 in particular can have a valve function.
- a micropump is suitably provided by means of a device according to the invention, the functional element 3 having at least one valve flap 31 and the device also a dynamic one.
- Drive element 4 comprises, which is suitable to change a volume of a cavity formed in the device.
- a device according to the invention suitably comprises a first layer 1, in which a first channel 10 is formed, and a second layer 2, in which a second channel 20 is formed, so that a connection between the first 10 and the second 20 channels is provided.
- a valve flap 31 of the functional element 3 is arranged such that the connection between the first 10 and the second 20 channel is opened or closed.
- the first one is particularly and suitably.
- connection between the first 10 and second 20 channels with the first 10 and second 20 channels including an angle ⁇ of 5 ° to 80 ° and preferably of 15 ° to 50 °, so that means of connection between the first 10 and second 20 duct a tangential transition between the first 10 and second 20 duct is provided •.
- the valve flap 31 of the functional element 3 is suitable located at the junction between the first 10 and second 20 channels.
- the first channel 10 has a first width 10b
- the second channel 20 has a second width 20b
- the valve flap 31 has a third width
- a device having a first channel 10 with a first width 10b, a second channel 20 with a second width 20b, and a valve flap 31 with a third width 31b is provided, in particular and suitably, the second width 20b ⁇ the third width 31b ⁇ the first width 10b, and wherein a drive element 4 of the valve flap 31 is connected in the flow direction 231 before (4,231) and / or after (231, 4), a pump structure (II) according to the invention being provided.
- a multiplicity of micropump structures (I) and / or (II) can be formed in combination in a device according to the invention.
- a device according to the invention comprises a central drive element 4, to which at least one first valve flap 31 according to the pump structure (I) is connected upstream in the flow direction 132 (4, 132) and also at least one second valve flap 31 according to the pump structure (II) is connected downstream in the flow direction (231) ( 231, 4), and a device according to the invention also comprises, in particular, a third valve flap 31 according to pump structure I, which is connected downstream of the drive element 4 in the flow direction 132 (132, 4) and is connected upstream of the second valve flap 31, and also a fourth valve flap 31 according to pump structure II, which is connected upstream of the drive element 4 in the flow direction 231 (231, 4) and is connected downstream of the first valve flap 31.
- the valve flaps 31 are formed in a plastic film 3 in the direction of flow, and moreover between the third and fourth valve flap 31 is formed a recess 30 which is connected to a cavity which interacts with the drive element 4.
- a device according to the invention comprises a series connection of
- valve flaps 31 are formed in a functional element 3 in the flow direction.
- a recess 30 is formed between the two middle valve flaps 31, which cooperates with the pump chamber and the drive element 4.
- a hole structure 30 'with a filter effect can be provided instead of the recess 30, the functional element 3 being suitably formed in a thin plastic film.
- FIG. 1a, b, c and d show a schematic representation of the basic elements of a device according to the invention, the basic principle of the method according to the invention also being illustrated on the basis of the figures mentioned.
- the method according to the invention for connecting a first substrate layer 1, a second substrate layer 2 and a functional element 3 which is designed to be elastic and is suitably designed to be much thinner than the first 1 and second 2 substrate layers.
- the functional element 3 is sandwiched between the first 1 and second 2 substrate layers, wherein the functional element 3 has a smaller area than the first 1 and second 2 layers and is suitably arranged at a predetermined position on the first substrate layer 1. This is followed by a Suitable solvent applied to the surface of the substrate layer 1 not covered by the functional element 3.
- the second substrate layer 2 is arranged over the first layer 1 and the functional element 3 and pressure is exerted on the second substrate layer 2, so that the first 1 and second 2 substrate layers bond and the functional element 3 is clamped between the substrate layers 1 and 2 , so that the first 1 and second 2 substrate layers are permanently connected to one another, and the functional element 3 is arranged permanently between the first 1 and second 2 substrate layers.
- the material of substrate layers 1 and 2 and the solvent and the amount and duration of the pressure are selected such that layers 1 and 2 are permanently connected to one another after the pressure has been removed.
- Substrate layer 1 positioning recesses may be formed, which correspond to positioning pins on the functional element 3, so that the functional element 3 can be arranged in a simple manner and exactly at a predetermined position on the substrate layer 1. It is clear that, conversely, positioning pins can also be formed on the surface of the first substrate layer 1 and positioning recesses or positioning holes corresponding to the positioning pins of the substrate layer 1 can be formed on the functional element 3.
- the functional element 3 is essentially designed as a two-dimensional layer, which is designed to be elastic and is suitably designed to be much thinner than the first 1 and second 2 substrate layers, and the functional element 3 also has a smaller area than the first 1 and second 2 substrate layer, and in addition the first 1 and second 2 substrate layers are formed from a material which is available by means of a suitable solvent and pressure and which also has sufficient elasticity so that the functional element 3 is pressurized between the first 1 and second 2 substrate layer can be clamped and itself. touch and connect the surfaces of the first 1 and second 2 substrate layers and are permanently connected to one another after the pressure has been removed.
- the functional element 3 can be clamped between the two substrate layers one and two in such a way that small cavities x arise at its edges.
- the first 1 and second 2 substrate layer are suitably made of plastic and preferably of polycarbonate and / or PPSU and / or PEI and / or melamine, and the functional element 3 is suitably a thin plastic film and / or a metal foil and in particular made of plastic and preferably made of polymid.
- FIG. 2a, b and c show schematic representations of the basic elements of a device according to the invention and in each case modifications of the device according to the invention from FIG. 1.
- two functional elements 3 are clamped between a first 1 and second 2 substrate layer
- a large number of functional elements 3 can also be clamped according to the invention between a first 1 and second 2 substrate layer by means of the method according to the invention.
- FIG. 2b shows the basic components of a further modification of the device according to the invention from FIG. 1, only one functional element 3 being clamped here by way of example between a first 1 and a second 2 substrate layer.
- a first 1 and a second 2 substrate layer are the first functional element 3 being clamped here by way of example between a first 1 and a second 2 substrate layer.
- the functional element 3 can also be made thicker than a functional element 3 of the embodiment of FIGS. 1 and 2a.
- the functional element 3 of the embodiment in FIG. 2 b has a thickness that is the same size or greater than the depth of the recess in the substrate layer 1.
- 2c shows a schematic representation of the essential components of a further modification of a device according to the invention, a suitable recess also being formed in the second substrate layer 2, which corresponds to the recess in the substrate layer 1 and the functional element 3.
- the functional element 3 can have a greater thickness than the functional element 3 in the embodiments of FIGS. 1, 2a and 2b, the thickness of the functional element 3 suitably being equal to or greater than the sum of the depths of the Recesses in the substrate layers 1 and 2.
- FIG. 3a shows a plan view of the essential components of a device according to the invention in accordance with a first embodiment of the present invention
- FIG. 3b shows a section through components of FIG. 3a arranged one above the other.
- the first embodiment of the present invention provides a device with channel-like structures for transporting and / or storing a liquid and / or gaseous medium, the device being a first 1 and second 2 substrate layer and a functional element 3, which is elastic and suitably much thinner than the first 1 and second 2 substrate layer, and which is sandwiched between the first 1 and second 2 substrate layer.
- channel-like structures 10 and 20 are formed in the first 1 and / or second 2 substrate layer, and the first 1 and second 2 substrate layers are firmly and permanently connected to one another, the functional element 3 being clamped in this way between the first 1 and second 2 substrate layers, that by means of the functional element 3, the channel-like structures 10 and 20 in the first 1 and / or second 2 substrate layer are at least gas and / or liquid-tight.
- an upwardly open channel 10 is formed in the first layer 1 and an opening 20 corresponding to the channel 10 and through the layer 2 is formed in the second layer 2.
- the functional element 3 is designed according to the invention as a thin film with a continuous opening 30, which corresponds to the opening 20 of the second substrate layer 2, and also with a valve flap 31, the width and length of which correspond to the width and depth of the channel 10.
- the layers 1 and 2 are now arranged one above the other, and also the functional element 3 is sandwiched between the substrate layers 1 and 2, which is provided by means of the openings 30 and 20 to connect the channel 10 to a cavity, which is connected to a drive element 4 interacts, and in addition the channel 10 can be opened and / or closed by means of the valve flap 31, so that a pump structure according to the invention is provided.
- the pump structure described above is shown schematically in Fig. 3b.
- the drive element 4 can be provided for example and suitably by means of a piezo actuator 4. 3b, the opening 30 and 20 and the drive element 4 are connected downstream of the valve flap 31 in the flow direction (arrow direction). It is clear that the opening 20 and 30 and the drive element 4 with a suitable design of the valve flap 31 in FIG Flow direction can also be connected upstream, and / or in addition to the openings 20 and 30 of FIGS. 3a and b, second openings 20 and 30 and a second drive element 4 in addition to the drive element 4 connected downstream of the valve flap 31 can be connected upstream of the valve flap 31.
- a perforated structure 30 ' can also be formed in the functional element 3 instead of the opening 30, which has a filtering effect and effectively prevents interference or dirt particles, for example contained in a liquid to be pumped, from entering the cavity or get to the pumping chamber.
- Such an advantageous hole structure 30 ' is shown schematically in FIG. 8 and is described in detail below.
- FIG. 4a shows a partial section through superimposed components of a device according to the invention in accordance with a second embodiment of the present invention
- FIG. 4b shows a top view
- FIG. 4c shows a partial top view of a functional element of the second embodiment of the present invention from FIG. 4a.
- the second embodiment of the present invention shown in Fig. 4 substantially corresponds to the embodiment of Fig. 3, with the difference that the channel 10 flattens ⁇ in the first layer at 'a predetermined position at a predetermined angle, and also in the second substrate layer 2, a second channel 20 is formed, which also flattens out at a predetermined position at a predetermined angle ⁇ , and which corresponds to the channel 10 formed in the first substrate layer 1 in such a way that when the
- Substrate layers 1 and 2 a tangential connection of the channels 10 and 20 is provided at a predetermined angle ⁇ .
- the channel 20 is also designed such that it is connected at a predetermined position (not shown in the drawing) to a cavity arranged above the layer 2 and which interacts with a drive element 4.
- the functional element 3 of the embodiment of FIG. 4 essentially corresponds to the functional element 3 of the embodiment of FIG. 3 with the difference that that the functional element 3 of the embodiment of FIG. 4 does not comprise an opening 30.
- the first channel 10 and the second channel 20 and the functional element 3 with the valve flap 31 are now designed according to the invention such that the valve flap
- the first channel 10, the second channel 20 and the valve flap 31 are designed such that the first channel 10 has a first width 10b, the second channel 20 has a second width 20b and the valve flap 31 has a third width 31b, so that the first width 10b ⁇ the third width 31b, and the third width 31b ⁇ the second width 20b.
- the valve flap 31 is also suitably arranged and designed such that a pump structure with a
- Flow direction (arrow direction) from the first channel 10 to the second channel 20 is provided, the drive element 4 of the valve flap 31 being able to be connected downstream of (4.132) and / or (132.4) in the flow direction 32. 4a, a pump structure (I) according to the invention is provided.
- FIG. 5a shows a partial section through superimposed components of a device according to the invention in accordance with a third embodiment of the present invention
- FIGS. 5b and c show a top view and a partial top view of a functional element 3 of the third embodiment of the present invention from FIG.
- the channels 10 and 20 suitably have a first width 10b and one, respectively second width 20b and the valve flap 31 a third width 31b, so that the second width 20b ⁇ the third width 31b and the third width 3b ⁇ the first width 10b.
- a drive element 4 of the valve flap 31 can also be connected in the flow direction 231 before (4,231) and / or after (231, 4).
- the third embodiment of the present invention provides a pump structure (II) according to the invention.
- the angle ⁇ suitably includes an angle of 5 ° to 80 ° and preferably of 15 to 50 ° and particularly advantageously an angle, so that a tangential transition between the both channels 10 and 20 is provided.
- FIG. 6a shows a schematic representation of the arrangement of a device according to the invention in accordance with a fourth embodiment of the present invention.
- At least one first valve flap 31 according to the pump structure (I) from FIG. 4 is connected upstream of a central drive element 4 in the flow direction (arrow direction) and at least one second valve flap 31 according to the pump structure (II ) downstream of Fig. 5 in the flow direction.
- the pump structure (I) and the pump structure (II) can each be provided by means of independent functional elements 3 and their valve flaps 31.
- the pump structure (I) and (II) can also be provided by means of a suitably designed, one-piece functional element 3 with a central through opening 30, which is preceded by a valve flap 31 according to the embodiment of FIG.
- FIG. 6b shows a suitable one-piece functional element 3 with a central, continuous recess 30, to which a valve flap element 31 is shown from FIG. 4 ( ⁇ ) upstream in the flow direction (arrow direction) and which is followed by a valve flap 31 according to the embodiment of FIG. 5 (II) in the flow direction.
- a hole structure 30 ′ according to the functional element 3 of FIG. 8, which is described below, can also be formed in the functional element 3 instead of the opening 30.
- FIG. 6c shows a schematic representation of the arrangement of a device according to the invention in accordance with a fifth embodiment of the present invention, in which, as in the fourth embodiment of the present invention from FIG. 6a, a pump structure (I) according to the embodiment of FIG.
- a second pump structure (II) according to the embodiment of FIG. 5 is connected downstream of the drive element 4 in the flow direction, and in addition a third pump structure (II) according to the embodiment of FIG 5 is connected upstream of the central drive element 4 in the flow direction and the first pump structure
- FIG. 4 is connected downstream, and in addition a fourth pump structure (I) according to the embodiment of FIG. 4 is connected downstream of the central drive element 4, and the first pump structure (11) according to FIG. 5 is connected upstream.
- a liquid flows through a channel 10 in the first substrate layer 1, through a pump structure (I) and a channel 20 in the second substrate layer 2, a pump structure (II) and a channel 10 in the first substrate layer 1, a further pump structure (I), and a channel 20 in the second substrate layer 2, and finally through a further pump structure (II) and a channel 10 in the first
- the four pump structures (I) and (II) can be provided by individual functional elements 3 which cooperate with the central drive element 4.
- valve flaps 31 are provided by a one-piece functional element 3 which has a continuous recess 30 in its central region, two in each case Valve flaps 31 are connected upstream and downstream of the recess 30 in the flow direction in accordance with the designs of the pump structures (II) and (I).
- FIG. 9 shows a schematic section through the fifth embodiment of the present invention from FIG. 6c.
- Such an advantageous functional element 3 is shown schematically in FIG. 6d and in each case comprises valve flaps 31 according to the pump structures (I), (II), (I) and (II), which are connected in series in the flow direction F and the central unit Recess 30 is arranged between the valve flaps 31 of the middle pump structures (II) and (I). More appropriate and advantageous
- a perforated structure 30 ' can also be formed in the functional element 3 according to the functional element 3 of FIG. 8, which will be described below.
- Fig. 7a shows an example of a schematic representation of an inventive
- FIG. 7a corresponds in its structure and mode of operation to that of FIG. 3, which is why reference is made here to the description in this regard.
- the layers 1 and 2 are arranged one above the other and the functional element 3 is sandwiched between the layers 1 and 2.
- the fourth layer 41 with the cavity 410 which comprises a pump chamber, is arranged above the second layer 2 and is covered with a thin glass layer 42, over which a drive element 43 is arranged, which is suitably provided by means of a piezo actuator 4.
- the opening 20 of the second layer and the cavity 410 in the layer 41 are suitably formed and arranged in such a way that the opening 20 of the second layer is arranged at an apex of the cavity 410 of the substrate layer 41.
- the drive element 4 can suitably be a thin piezo membrane.
- the present invention can in particular be miniaturized
- Microstructure technologies can also be produced inexpensively in industrial series production.
- FIG. 8 shows a schematic representation of an advantageous modification of the one-piece functional element 3 according to the invention from FIG. 6d, which suitably comprises a thin plastic film.
- the functional element 3 also comprises valve flaps 31 according to the pump structures (I), (II), (I) and (II), which are formed in this order in a plastic film and are arranged in the flow direction F. Between the middle pump structures (II) and (I) a hole structure 30 'is formed in a suitable manner and advantageously, which with the
- Cavity 410 of a pump chamber cooperates.
- the perforated structure has the effect of a filter which prevents dirt or disruptive particles contained in a liquid to be pumped from entering the pumping chamber 410 and associated operational failures of the drive element 4 effectively prevented. Any particles contained in the liquid to be pumped are therefore completely channeled through the fluid channel and do not reach the pump chamber, so that a piezo membrane 4 can move unhindered. This meets the requirements for the purity of a pump
- Liquid is advantageously determined solely by the channel cross section of the channel structures 10 and 20, which can be approximately 1 mm 2 , for example.
- the advantageous hole structure 30 ′ of the functional element 3 described above acts particularly advantageously with a multiple valve arrangement according to FIG.
- FIGS. 9 and 10 together, whereby even elongated fibrous particles pass a pump according to the invention without problems.
- Fig. 9 shows a schematic section through a device according to the invention according to the fifth embodiment of the present invention, the above under
- the fifth embodiment of the invention is particularly suitable for a one-piece functional element 3 according to FIG. 6d, which is shown by way of example in drawing 9, and is particularly advantageously suitable for a functional element 4 according to FIG. 8.
- FIG. 10 shows an advantageous modification of the fifth embodiment of the present invention from FIG. 6c and FIG. 9, which essentially corresponds to that described above with reference to FIG.
- FIG. 9 correspond to the fifth embodiment described, with the difference that the transition of the channel structures 10 and 20 is advantageously stepless and without edges and corners, which is the efficiency of the pumping power further significantly increased and the susceptibility to interference from dirt or disruptive particles considerably further reduced, in particular in combination with the functional layer 3 of FIG. 8 with the perforated structure 30 'used here by way of example and advantageously.
- the one-story design of the functional element 3 and its multifunctionality as a filter and with several differently designed and similar valve flaps 31 is particularly advantageous because it is particularly efficient in terms of performance and effect, in particular with suitable channel structures 10 and 20, and also miniaturized simply and inexpensively also in huge
- a first to fifth embodiment of a micropump according to the invention described above, and in particular the fourth and fifth embodiment of the invention, is particularly suitable for conveying liquids and gases even in the smallest metered quantities and, with a correspondingly miniaturized design, can have a particle tolerance up to a particle diameter of approximately 40 ⁇ m , Due to the structure of the fluid channel according to the invention with flat angles and the integrated valve flaps, only an extremely small pressure loss can occur during work.
- a micropump according to the invention can be used in many areas, for example in the metering of fluids in chemical, biological, medical analysis, for example in sampling, for example in environmental analysis, and also, for example, in
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Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200480006319XA CN1759247B (zh) | 2003-12-19 | 2004-12-20 | 用于传输和/或存储介质并带有通道状结构的微型装置 |
AT04804104T ATE470073T1 (de) | 2003-12-19 | 2004-12-20 | Mikropumpe und verfahren zu ihrer herstellung |
EP20040804104 EP1700036B1 (de) | 2003-12-19 | 2004-12-20 | Mikropumpe und verfahren zu ihrer herstellung |
DE200450011253 DE502004011253D1 (de) | 2003-12-19 | 2004-12-20 | Mikropumpe und verfahren zu ihrer herstellung |
US10/569,435 US8043073B2 (en) | 2003-12-19 | 2004-12-20 | Micropump and adhesive-free method for joining two substrates |
JP2006544383A JP4664309B2 (ja) | 2003-12-19 | 2004-12-20 | 2枚の基板を接合するためのマイクロポンプ |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10360709.9 | 2003-12-19 | ||
DE2003160709 DE10360709A1 (de) | 2003-12-19 | 2003-12-19 | Mikropumpe und klebstoffreies Verfahren zur Verbindung zweier Substrate |
Publications (1)
Publication Number | Publication Date |
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WO2005061894A1 true WO2005061894A1 (de) | 2005-07-07 |
Family
ID=34706454
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP2004/014505 WO2005061894A1 (de) | 2003-12-19 | 2004-12-20 | Mikropumpe und klebstoffreies verfahren zur verbindung zweier substrate |
Country Status (7)
Country | Link |
---|---|
US (1) | US8043073B2 (de) |
EP (1) | EP1700036B1 (de) |
JP (1) | JP4664309B2 (de) |
CN (1) | CN1759247B (de) |
AT (1) | ATE470073T1 (de) |
DE (2) | DE10360709A1 (de) |
WO (1) | WO2005061894A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2191135A1 (de) | 2007-09-12 | 2010-06-02 | Gernot Heuser | Mikrodosiersystem |
EP2735834A4 (de) * | 2011-07-21 | 2014-12-10 | Panasonic Corp | Kühlvorrichtung, elektronische vorrichtung damit und elektrofahrzeug |
Citations (4)
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US6390791B1 (en) * | 1997-08-20 | 2002-05-21 | Westonbridge International Limited | Micro pump comprising an inlet control member for its self-priming |
WO2002068823A1 (en) * | 2000-11-06 | 2002-09-06 | Nanostream Inc. | Uni-directional flow microfluidic components |
US20020155010A1 (en) * | 2001-04-24 | 2002-10-24 | Karp Christoph D. | Microfluidic valve with partially restrained element |
US20020168278A1 (en) * | 2001-01-08 | 2002-11-14 | Jeon Noo Li | Valves and pumps for microfluidic systems and method for making microfluidic systems |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57136883U (de) * | 1981-02-18 | 1982-08-26 | ||
DE3926066A1 (de) * | 1989-08-07 | 1991-02-14 | Ibm Deutschland | Mikromechanische kompressorkaskade und verfahren zur druckerhoehung bei extrem niedrigem arbeitsdruck |
JPH03122282U (de) * | 1990-03-27 | 1991-12-13 | ||
US5496009A (en) * | 1994-10-07 | 1996-03-05 | Bayer Corporation | Valve |
FR2757906A1 (fr) * | 1996-12-31 | 1998-07-03 | Westonbridge Int Ltd | Micropompe avec piece intermediaire integree |
US6042351A (en) * | 1997-12-08 | 2000-03-28 | Carrier Corporation | Enhanced flow compressor discharge port entrance |
JPH11241683A (ja) * | 1997-12-26 | 1999-09-07 | Sanden Corp | 圧縮機のバルブ装置 |
US6431212B1 (en) * | 2000-05-24 | 2002-08-13 | Jon W. Hayenga | Valve for use in microfluidic structures |
DE10104957A1 (de) * | 2000-09-07 | 2002-03-21 | Gesim Ges Fuer Silizium Mikros | Verfahren zum Herstellen einer 3-D-Mikrodurchflusszelle und 3-D-Mikrodurchflusszelle |
CN1232728C (zh) * | 2003-04-11 | 2005-12-21 | 华中科技大学 | 无阀薄膜驱动型微泵 |
-
2003
- 2003-12-19 DE DE2003160709 patent/DE10360709A1/de not_active Withdrawn
-
2004
- 2004-12-20 EP EP20040804104 patent/EP1700036B1/de active Active
- 2004-12-20 AT AT04804104T patent/ATE470073T1/de active
- 2004-12-20 DE DE200450011253 patent/DE502004011253D1/de active Active
- 2004-12-20 CN CN200480006319XA patent/CN1759247B/zh active Active
- 2004-12-20 WO PCT/EP2004/014505 patent/WO2005061894A1/de not_active Application Discontinuation
- 2004-12-20 JP JP2006544383A patent/JP4664309B2/ja active Active
- 2004-12-20 US US10/569,435 patent/US8043073B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6390791B1 (en) * | 1997-08-20 | 2002-05-21 | Westonbridge International Limited | Micro pump comprising an inlet control member for its self-priming |
WO2002068823A1 (en) * | 2000-11-06 | 2002-09-06 | Nanostream Inc. | Uni-directional flow microfluidic components |
US20020168278A1 (en) * | 2001-01-08 | 2002-11-14 | Jeon Noo Li | Valves and pumps for microfluidic systems and method for making microfluidic systems |
US20020155010A1 (en) * | 2001-04-24 | 2002-10-24 | Karp Christoph D. | Microfluidic valve with partially restrained element |
Also Published As
Publication number | Publication date |
---|---|
CN1759247A (zh) | 2006-04-12 |
US20070003420A1 (en) | 2007-01-04 |
DE10360709A1 (de) | 2005-10-06 |
EP1700036A1 (de) | 2006-09-13 |
ATE470073T1 (de) | 2010-06-15 |
CN1759247B (zh) | 2012-06-20 |
US8043073B2 (en) | 2011-10-25 |
EP1700036B1 (de) | 2010-06-02 |
DE502004011253D1 (de) | 2010-07-15 |
JP2007514891A (ja) | 2007-06-07 |
JP4664309B2 (ja) | 2011-04-06 |
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