Test strip with slot vent opening
First Claim
1. A method of manufacturing a plurality of test strips, said method comprising:
- (a) providing a web of base substrate material;
(b) forming a plurality of electrode sets on the web;
(c) providing a reagent layer covering at least one electrode of each electrode set;
then(d) providing a continuous web of spacing material having a series of cavities formed therein and laminating the web of spacing material over the web of base substrate material such that each one of the cavities aligns with a respective one of the electrode sets;
(e) providing a web of covering layer made from two pieces and laminating it over the web of spacing material such that the two pieces are separated by a gap and the gap is positioned over the series of cavities; and
(f) cutting the web into the plurality of test strips.
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Accused Products
Abstract
Methods of manufacturing test strips are disclosed. Embodiments include laminating a two piece covering layer over a substrate with a series of cavities, wherein the two pieces are separated by a gap, the gap forming a vent opening for the cavities. Other embodiments include covering the sample receiving chamber with a cover thinner than the cover covering the body of the test strip, the thicker body cover absorbing more force than the chamber cover to reduce the possibility of adhesives squeezing out from under the chamber cover. The present invention also provides an advantageous method of mass-producing the inventive test strips without having to align the slot or vent opening laterally with respect to the test strips and without having to punch a vent opening. The method is also well suited to mass production by roll processing techniques.
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Citations
15 Claims
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1. A method of manufacturing a plurality of test strips, said method comprising:
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(a) providing a web of base substrate material; (b) forming a plurality of electrode sets on the web; (c) providing a reagent layer covering at least one electrode of each electrode set;
then(d) providing a continuous web of spacing material having a series of cavities formed therein and laminating the web of spacing material over the web of base substrate material such that each one of the cavities aligns with a respective one of the electrode sets; (e) providing a web of covering layer made from two pieces and laminating it over the web of spacing material such that the two pieces are separated by a gap and the gap is positioned over the series of cavities; and (f) cutting the web into the plurality of test strips. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification