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1. (WO2019092083) SENSOR FOR DETECTING AN ANALYTE IN A BODY FLUID AND METHOD OF MANUFACTURING THEREOF
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Claims

1. A method for manufacturing a sensor (110) for detecting an analyte in a body fluid, the method comprising the following steps:

a) providing a membrane layer (112);

b) depositing at least one first electrically conductive material (141) directly or indirectly onto the membrane layer (112);

c) depositing at least one electrically insulating material (142) directly or indirectly onto the at least one membrane layer (112) and the at least one first electrically conductive material (141); and

d) depositing at least one second electrically conductive material (144) directly or indirectly onto the electrically insulating material (142).

2. The method according to the preceding claim, wherein step b) comprises forming at least one electrode pad (128) of a working electrode (124).

3. The method according to any one of the preceding claims, wherein step b) comprises forming at least one electrode pad for at least one further electrode (130) selected from the group consisting of a counter electrode and a reference electrode (132).

4. The method according to any one of the preceding claims, wherein step b) comprises forming at least one electrically conductive lead (134) for electrically contacting at least one electrode (124, 130, 132).

5. The method according to the preceding claim, wherein the method further comprises, before forming the at least one electrically conductive lead (134) for electrically contacting the at least one electrode (124, 130, 132), depositing at least one electrically insulating layer (120) onto the at least one membrane layer (112), wherein the at least one electrically conductive lead (134) is formed such that the electrically insulating layer (120) is disposed in between the conductive lead (134) and the membrane layer (112).

6. The method according to any one of the preceding claims, wherein step d) comprises forming at least one electrode pad for at least one back electrode (146) selected from the group consisting of a counter electrode (148) and a reference electrode.

7. The method according to the preceding claim, wherein step d) further comprises forming at least one electrically conductive lead (150) for electrically contacting the at least one back electrode (146).

8. A sensor (110) for detecting an analyte in a body fluid, the sensor (110) comprising: i) at least one membrane layer (112);

ii) at least one first electrically conductive material (141) directly or indirectly deposited on the membrane layer (112);

iii) at least one electrically insulating material (142) directly or indirectly deposited on the at least one membrane layer (112) and the at least one first electrically conductive material (141); and

iv) at least one second electrically conductive material (144) directly or indirectly deposited onto the electrically insulating material (142).

9. The sensor (110) according to the preceding claim, wherein the first electrically conductive material (141) forms at least part of at least one working electrode (124).

10. The sensor (110) according to any one of the preceding claims referring to a sensor (110), wherein the first electrically conductive material (141) forms at least part of at least one further electrode (130) selected from the group consisting of a counter electrode and a reference electrode (132).

11. The sensor (110) according to any one of the preceding claims referring to a sensor (110), wherein the first electrically conductive material (141) forms at least one electrically conductive lead (134) for electrically contacting at least one electrode (124, 130, 132).

12. The sensor (110) according to any one of the preceding claims referring to a sensor (110), wherein the sensor (110) further comprises at least one electrically insulating layer (120) in between the membrane layer (112) and the first electrically conductive material (141).

13. The sensor (110) according to any one of the preceding claims referring to a sensor (110), wherein the second electrically conductive material (144) comprises at least one back electrode (146) selected from the group consisting of a counter electrode (148) and a reference electrode.

14. The sensor (110) according to the preceding claim, wherein the second electrically conductive material (144) further comprises at least one electrically conductive lead (150) for electrically contacting the at least one back electrode (146).

15. The sensor (110) according to any one of the preceding claims referring to a sensor (110), wherein the sensor (110) further comprises at least one biocompatibility layer fully or partially surrounding the sensor (110).