JP2010511103A5

JP2010511103A5 -

Info

Publication number: JP2010511103A5
Application number: JP2009538691A
Authority: JP
Filing date: 2007-11-26
Publication date: 2011-01-27

Claims

An apparatus for electrodeposition coating a structured or entire base layer (9) on the surface of a substrate (7),
Having at least one electrolyte bath (3) comprising at least one rotatably mounted roller (2) that can be connected as a cathode and that contacts the base layer (9) during electrodeposition coating;
The base layer (9) is covered by the electrolyte (5) contained in the electrolyte bath (3) during the coating and moves relative to the at least one roller (2);
At least one roller (2) connectable as a cathode can be connected as a cathode while in contact with the base layer (9), and can be connected as non-polar or anode as soon as contact with the base layer (9) is lost,
The roller (2) is surrounded by a shielding material (21) that substantially prevents the electrolyte (5) from being supplied to the surface of the roller (2),
A gap is formed between the shielding material (21) and the surface of the substrate (7), and the clearance between the shielding material (21) and the surface of the substrate (7) is a roller having an elastic surface. A device that is hermetically sealed.

While the substrate (7) with the base layer (9) is transported through the electrolyte bath (3), at least one roller (2) connectable as a cathode is held statically in the electrolyte bath (3) The apparatus of claim 1, wherein:

3. The device according to claim 1, wherein at least two rollers (2) connectable as cathodes are connected in series in the electrolyte bath (3).

4. The device according to claim 1, wherein the anode (29) is provided between the shielding material (21) of two rollers (2) connectable as a cathode. .

Device according to claim 4, characterized in that the anode (29) is designed as a grid anode.

6. A device according to claim 4 or 5, characterized in that an electrolyte can be supplied between the two shielding materials (21) in the anode (29) region.

7. The device according to claim 1, wherein the electrical supply to the roller (2) connectable as a cathode is effected via a slide contact (19).

8. A device according to claim 7, characterized in that a roller (2) connectable as a cathode is pressed against the sliding contact (19) by means of a substrate (7).

The two rollers (2) face each other, the substrate (7) passes between them, and the base layer (9) on the upper surface (11) and the lower surface (13) of the substrate (7) is coated simultaneously. Device according to any one of the preceding claims, characterized in that it can.

9. A device according to any one of the preceding claims, characterized in that the transport device for transporting the substrate (7) along the roller (2) faces the roller (2).

9. A device according to claim 1, wherein a roller (2) connectable as a cathode is arranged on the outer circumference of the rotating shaft (41).

12. Device according to claim 11, characterized in that the rotating shaft (41) is designed as a hollow shaft and at least one anode (43) is arranged therein.

A method of electrodeposition coating a structured or entire base layer (9) on a surface of a substrate (7),
The base layer (9) is in contact with at least one roller (2) covered with electrolyte (5) and connectable as a cathode;
While the roller (2) that can be connected as a cathode is in contact with the base layer (9) and / or the substrate (7), it is connected as a cathode, and there is no contact with the base layer (9) and / or the substrate (7). And immediately connected as non-polar or anode to remove material deposited thereon.

14. Method according to claim 13, characterized in that after the first electrodeposition coating step , the substrate (7) rotates about an axis perpendicular to the coating surface and then the electrodeposition coating step is performed again.

Use of the apparatus according to any one of claims 1 to 12 or the method according to claim 13 or 14 to produce a conductor track, RFID antenna, transponder antenna or other antenna structure on a printed circuit board, chip card Modules, flat cables, valve seat heaters, foil conductors , conductor tracks in solar cells or LCD / plasma screens, decorative or functional surfaces of products used for electromagnetic shielding, heat conduction or packaging materials , or any shape To manufacture the electrodeposition coating product.