US 9,810,657 B2
Electrochemical sensors and a method for their manufacture
Steven John Setford, Fortrose (GB); and Scott J. Sloss, Inverness (GB)
Assigned to Cilag GmbH International, Zug (CH)
Appl. No. 14/2,956
Filed by Steven John Setford, Fortrose (GB); and Scott J. Sloss, Inverness (GB)
PCT Filed Sep. 7, 2012, PCT No. PCT/GB2012/052218
§ 371(c)(1), (2), (4) Date Sep. 3, 2013,
PCT Pub. No. WO2014/037688, PCT Pub. Date Mar. 13, 2014.
Prior Publication US 2014/0311903 A1, Oct. 23, 2014
Int. Cl. G01N 27/327 (2006.01)
CPC G01N 27/3272 (2013.01) 16 Claims
OG exemplary drawing
 
1. An electrochemical module, comprising:
a first substrate having a first conductive layer thereon and forming a first substrate-conductive layer assembly wherein the first substrate-conductive layer assembly has a first width and a first length;
a second substrate having a second conductive layer thereon and forming a second substrate-conductive layer assembly wherein the second substrate-conductive layer assembly has a second width that is less than the first width and a second length that is substantially the same as the first length, wherein the first and second conductive layers are in a facing relationship;
a first and a second spacer disposed between the first substrate-conductive layer assembly and second substrate-conductive layer assembly and maintaining the first substrate-conductive layer assembly and second substrate-conductive layer assembly in a spaced apart relationship, the first and second spacers extending along the first length;
a chamber formed between the first substrate-conductive layer assembly and second substrate-conductive layer assembly and configured to receive a fluid sample, the chamber comprising a first sidewall defined by a second latitudinal end of the first spacer and a second sidewall defined by a first latitudinal end of the second spacer, wherein the chamber comprises a reagent capable of reacting with an analyte in the fluid sample; and
a third spacer adjacent to and in physical contact with the second latitudinal end, opposite the first latitudinal end, of the second spacer, a surface of the third spacer comprising a conductive layer that is in a facing relationship and in electrically conductive contact with the second conductive layer, the third spacer extending along the first length.