Device For the Controlled Release of a Predefined Quantity of a Substance
First Claim
1. Device (10) for the controlled release of a predefined quantity of a substance, the device (10) comprising a matrix arrangement of compartments (20) in a substrate (11), each compartment (20) being closed by at least one release mechanism (30), at least one first electrode (40) and at least one second electrode (50) being assigned to each compartment (20), the device (10) comprising a plurality of row selection lines (60) and a plurality of column selection lines (70), the number of compartments (20) exceeding the sum of the number of row selection lines (60) and the number of column selection lines (70), each first electrode (40) being electrically connected directly to one of the plurality of row selection lines (60) and each second electrode (50) being electrically connected directly to one of the plurality of column selection lines (70), wherein the release mechanism (30) has a threshold behavior.
1 Assignment
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Accused Products
Abstract
The application provides a device (10) for the controlled release of a predefined quantity of a substance and a method for controllably releasing a predefined quantity of a substance from a compartment. The device comprises a matrix arrangement of compartments (20) in a substrate, each compartment being closed by at least one release mechanism, at least one first electrode (40) and at least one second electrode (50) being assigned to each compartment, the device comprising a plurality of row selection lines (60) and a plurality of column selection lines (70) and a plurality of column selection lines, the number of compartments exceeding the sum of the number of row selection lines and the number of column selection lines, each first electrode being electrically connected directly to one of the plurality of row selection lines and each second electrode being electrically connected directly to one of the plurality of column selection lines.
19 Citations
16 Claims
- 1. Device (10) for the controlled release of a predefined quantity of a substance, the device (10) comprising a matrix arrangement of compartments (20) in a substrate (11), each compartment (20) being closed by at least one release mechanism (30), at least one first electrode (40) and at least one second electrode (50) being assigned to each compartment (20), the device (10) comprising a plurality of row selection lines (60) and a plurality of column selection lines (70), the number of compartments (20) exceeding the sum of the number of row selection lines (60) and the number of column selection lines (70), each first electrode (40) being electrically connected directly to one of the plurality of row selection lines (60) and each second electrode (50) being electrically connected directly to one of the plurality of column selection lines (70), wherein the release mechanism (30) has a threshold behavior.
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15. Method for controllably releasing a predefined quantity of a substance from a compartment (20) using a device (10) comprising a matrix arrangement of compartments (20) in a substrate (11), each compartment (20) being closed by at least one release mechanism (30), at least one first electrode (40) and at least one second electrode (50) being attributed to each compartment (20), the device (10) comprising a plurality of row selection lines (60) and a plurality of column selection lines (70), the number of compartments (20) exceeding the sum of the number of row selection lines (60) and the number of column selection lines (70), the method comprising the steps of:
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electrically connecting the first electrode (40) of the compartment (20) directly to one of the plurality of row selection lines (60) electrically connecting the second electrode (50) of the compartment (20) directly to one of the plurality of column selection lines (70) applying an electrical potential above a predetermined threshold value between the first electrode (40) and the second electrode (50) by means of one of the plurality of row selection lines (60) and one of the plurality of column selection lines (70). - View Dependent Claims (16)
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Specification