Method of manufacturing a disposable electrochemical sensor strip
First Claim
1. A method for manufacturing a disposable electrochemical sensor strip, comprising steps of:
- providing an isolating piece having a length from a first end to a second end, a first side, a second side, a recess and at least one through hole, wherein the at least one through hole is on the first end of the isolating piece and has a first opening having a size on the first side and a second opening on the second side, and the recess extends from the second opening along the length on the second side to the second end;
preparing a conductive assembly comprising a conductive raw material;
coating a metal film on said conductive raw material for forming a modified electrode having an electrode working surface for processing an electrode action, an output terminal and a modified electrode body between the working surface and the output terminal; and
mounting the working surface of said modified electrode in said through hole to place the working surface in the first opening such that an electrode working area of the working surface is equal to the size of the first opening, the output terminal toward the second end on the second side, and the body in the recess,wherein a current measured by the disposable electrochemical sensor strip is proportional to said electrode working area.
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Abstract
A disposable electrochemical sensor strip is provided. The sensor strip includes an isolating sheet having at least a through hole, at least a conductive raw material mounted in the through hole, a metal film covered on the conductive raw material to form an electrode which comprises an electrode working surface for processing an electrode action, and an electrode connecting surface, at least a printed conductive film mounted on the isolating sheet and having a connecting terminal for being electrically connected to the electrode connecting surface, and a signal output terminal for outputting a measured signal produced by the electrode action.
14 Citations
6 Claims
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1. A method for manufacturing a disposable electrochemical sensor strip, comprising steps of:
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providing an isolating piece having a length from a first end to a second end, a first side, a second side, a recess and at least one through hole, wherein the at least one through hole is on the first end of the isolating piece and has a first opening having a size on the first side and a second opening on the second side, and the recess extends from the second opening along the length on the second side to the second end; preparing a conductive assembly comprising a conductive raw material; coating a metal film on said conductive raw material for forming a modified electrode having an electrode working surface for processing an electrode action, an output terminal and a modified electrode body between the working surface and the output terminal; and mounting the working surface of said modified electrode in said through hole to place the working surface in the first opening such that an electrode working area of the working surface is equal to the size of the first opening, the output terminal toward the second end on the second side, and the body in the recess, wherein a current measured by the disposable electrochemical sensor strip is proportional to said electrode working area. - View Dependent Claims (2, 3, 4, 5)
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6. A method for manufacturing a disposable electrochemical sensor strip, comprising steps of:
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providing an isolating piece and a conductive raw material; defining on the isolating piece at least a through hole, a first side, a second side, a length from a first end to a second end and a recess, the through hole having a first opening with a geometric shape on the first side and a second opening on the second side, the recess extending from the second opening to the second end; coating a metal film on the conductive raw material for forming a modified electrode; mounting the modified electrode in the through hole to form an electrode working surface by the geometric shape; printing a conductive material at the second end on the second side to form an output terminal; and connecting the modified electrode through the recess to the output terminal, wherein a current measured by the disposable electrochemical sensor strip is proportional to the electrode working surface.
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Specification