Reference electrode, a biosensor and a measuring apparatus therewith
AssigneeNEC Corporation
InventorToru Matsumoto
Life of this patent
Estimating the term…
Abstract
On an insulating substrate 1 is formed an electrode 2, on which is then formed a protection layer 3 consisting of a methacrylate-resin polyfluoroalcohol ester layer.
Claims62
A reference electrode comprising an electrode on an insulating substrate and a protection layer covering the electrode, said protection layer consisting essentially of a polymer in which a pendant group containing at least a fluoroalkylene block is attached to a non-fluorinated vinyl polymer;
- wherein the vinyl polymer is a homopolymer or copolymer of one or more monomers selected from the group consisting of unsaturated hydrocarbons, unsaturated carboxylic acids and unsaturated alcohols.
A reference electrode comprising an electrode on an insulating substrate and a protection layer covering the electrode, said protection layer consisting essentially of a polymer in which a pendant group containing at least a fluoroalkylene block is attached to a non-fluorinated vinyl polymer;
- wherein the vinyl polymer is a polycarboxylic acid.
A reference electrode comprising an electrode on an insulating substrate and a protection layer covering the electrode, said protection layer consisting essentially of a polymer in which a pendant group containing at least a fluoroalkylene block is attached to a non-fluorinated vinyl polymer;
- wherein the fluoroalkylene block is attached to the vinyl polymer via an ester group.
A reference electrode comprising an electrode on an insulating substrate and a protection layer covering the electrode, said protection layer consisting essentially of a polymer in which a pendant group containing at least a fluoroalkylene block is attached to a non-fluorinated vinyl polymer;
- wherein the fluorine content represented by x/(x+y) in the pendant group is 0.3 to 1, where x and y are the numbers of fluorine and hydrogen atoms in the pendant group, respectively.
A reference electrode comprising an electrode on an insulating substrate and a protection layer covering the electrode, said protection layer consisting essentially of a polymer in which a pendant group containing at least a fluoroalkylene block is attached to a non-fluorinated vinyl polymer;
- wherein the pendant group has 3 to 15 carbon atoms.
A reference electrode comprising an electrode on an insulating substrate and a protection layer covering the electrode, said protection layer consisting essentially of a polycarboxylic acid (A) fluoroalcohol ester.
A reference electrode comprising an electrode on an insulating substrate and a protection layer covering the electrode, said protection layer consisting essentially of a polycarboxylic acid (A) fluoroalcohol ester and a polycarboxylic acid (B) alkylalcohol ester.
A reference electrode comprising an electrode on an insulating substrate and a protection layer covering the electrode, said protection layer consisting essentially of a polycarboxylate comprising alkylalcohol ester and fluoroalcohol ester groups.
A reference electrode comprising an electrode on an insulating substrate and a protection layer covering the electrode, said protection layer consisting essentially of a polymer in which a pendant group containing at least a fluoroalkylene block is attached to a non-fluorinated vinyl polymer;
- wherein the electrode is a silver/silver chloride electrode.
A method for manufacturing a reference electrode comprising the steps of:
- forming an electrode on an insulating substrate;
- and applying a liquid containing a polymer in which a pendant group having at least a fluoroalkylene block is attached to a non-fluorinated vinyl polymer, to the electrode directly or via another layer and then drying it to form a protection layer.
Dependencies are inferred from the claim text.