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A micromixing chamber, roughly in the form of an hourglass, having a first outer end with a tangential inflow opening and a second outer end with a tangential outflow opening. The mixing chamber in the overall flow direction first narrows more or less gradually and subsequently widens more or less a

A micromixing chamber, roughly in the form of an hourglass, having a first outer end with a tangential inflow opening and a second outer end with a tangential outflow opening. The mixing chamber in the overall flow direction first narrows more or less gradually and subsequently widens more or less abruptly. The micromixer may be made at least partially of glass, or at least partially of a plurality of glass plates. A micromixer having a plurality of such micromixing chambers connected fluidically in series is also disclosed. Methods for manufacturing such a micromixing chamber of such a micromixer, as well as method for mixing by means of such a micromixing chamber or by means of such a micromixer, are disclosed.

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1. A micromixing chamber, roughly in the form of an hourglass, comprising a first outer end with a circular cross section and a tangential inflow opening and a second outer end with a circular cross section and a tangential outflow opening, wherein the mixing chamber comprises a tapering mixing spac

1. A micromixing chamber, roughly in the form of an hourglass, comprising a first outer end with a circular cross section and a tangential inflow opening and a second outer end with a circular cross section and a tangential outflow opening, wherein the mixing chamber comprises a tapering mixing space between the first outer end and the second outer end that tapers in the direction of the second outer end, such that in the overall flow direction said mixing chamber first narrows gradually and subsequently widens abruptly. 2. The micromixing chamber of claim 1, wherein the micromixing chamber is at least partially comprised of glass. 3. The micromixing chamber of claim 1, wherein the micromixing chamber is constructed at least partially from a plurality of plates. 4. The micromixing chamber of claim 3, wherein the micromixing chamber is constructed at least partially from three plates, wherein a first space is arranged in a first plate, a second tapering space is arranged in a second plate, and a third space is arranged in a third plate, these three spaces together having roughly the hourglass-like form. 5. The micromixing chamber of claim 3, wherein the plates are made of glass. 6. A micromixer comprising a plurality of micromixing chambers as claimed in claim 1, the micromixing chambers being connected fluidically in series. 7. The micromixer of claim 6, wherein the micromixer is at least partially comprised of glass. 8. The micromixer of claim 6, wherein the micromixer is constructed at least partially from a plurality of plates. 9. The micromixer of claim 8, wherein the plates are made of glass. 10. A method for mixing by means of a micromixer as claimed in claim 6, wherein the method comprises the step of causing a fluid to flow into a micromixing chamber through an inflow opening. 11. The micromixer of claim 6, wherein each micromixing chamber has a first outer end with a single tangential inflow opening configured to receive two or more fluids. 12. A method for mixing by means of a micromixing chamber as claimed in claim 1, wherein the method comprises the step of causing a fluid to flow into the micromixing chamber through the inflow opening. 13. The micromixing chamber of claim 1, wherein the first outer end has a single tangential inflow opening configured to receive two or more fluids. 14. A method for manufacturing a micromixing chamber, roughly in the form of an hourglass, comprising a first outer end with a circular cross section and a tangential inflow opening and a second outer end with a circular cross section and a tangential outflow opening, wherein the mixing chamber comprises a tapering mixing space between the first outer end and the second outer end that tapers in the direction of the second outer end, such that in the overall flow direction said mixing chamber first narrows gradually and subsequently widens abruptly, the method comprising powder blasting the micromixing chamber to form the first outer end with the tangential inflow opening, the second outer end with the tangential outflow opening, and the tapering mixing space. 15. The method of claim 14, wherein the powder blasting of the micromixing chamber utilizes blast lagging. 16. The method of claim 15, wherein the powder blasting of the micromixing chamber utilizes mask erosion. 17. The method of claim 14, further comprising constructing the micromixing chamber at least partially from a plurality of plates prior to powder blasting the micromixing chamber. 18. The method of claim 17, wherein the micromixing chamber is constructed at least partially from three plates, wherein a first space is arranged in a first plate, a second tapering space is arranged in a second plate, and a third space is arranged in a third plate such that the three spaces together having roughly the form of the hourglass. 19. The method of claim 17, wherein the plates are made of glass. 20. A method for manufacturing a micromixer comprising a plurality of micromixing chambers, each of the plurality of micromixing chambers is roughly in the form of an hourglass and comprises a first outer end with a circular cross section and a tangential inflow opening and a second outer end with a circular cross section and a tangential outflow opening, wherein the mixing chamber comprises a tapering mixing space between the first outer end and the second outer end that tapers in the direction of the second outer end such that in the overall flow direction said mixing chamber first narrows gradually and subsequently widens abruptly, the method comprising powder blasting the micromixing chambers to form the first outer end with the tangential inflow opening, the second outer end with the tangential outflow opening, and the tapering mixing space. 21. The method of claim 20, wherein the powder blasting of the micromixing chambers utilizes blast lagging. 22. The method of claim 21, wherein the powder blasting of the micromixing chambers utilizes mask erosion.