C25D21/00

METHOD OF ADJUSTING PLATING MODULE
20240183059 · 2024-06-06 ·

There is provided a method of adjusting a plating module, wherein the plating module comprises a substrate holder configured to hold a substrate, an anode placed to be opposed to the substrate holder, and a plate placed between the substrate holder and the anode to serve as an ionically resistive element. The method comprises: providing a plating module of initial setting, which is initially set in such a state that a porosity in an outer circumferential portion of the plate is adjusted to reduce a plating film thickness in an outer circumferential portion of the substrate to be smaller than a film thickness in another portion; and adjusting a distance between the substrate holder and the plate so as to flatten a distribution of plating film thickness of the entire substrate by adjustment of the distance between the substrate holder and the plate such as to increase a film thickness in the outer circumferential portion of the substrate according to a film thickness distribution of the substrate that is plated in the plating module.

SURFACE TREATMENT METHOD FOR ELECTROPLATING CONDUCTOR ROLL AND ELECTROPLATING CONDUCTOR ROLL
20190119824 · 2019-04-25 ·

[Problem] To limit adhesion of foreign matter stemming from plating liquid, metal stemming from the plated steel sheet and oxides of the metal to the surface of a conductor roll.

[Solution] A surface treatment method for surface-treating the roll surface of an electroplating conductor roll characterized in that: the surface treatment liquid is a surface treatment solution in which graphite has been dispersed in a mixed solution made of an aqueous aluminum phosphate solution and colloidal silica; and that the surface treatment liquid, in which concentrations have been adjusted such that when the surface treatment liquid is 100 mass %, the aluminum phosphate content is 3 mass % to 14 mass %, the silica content is 7 mass % to 37 mass %, and the graphite content is at least 4 mass %, is supplied to the roll surface and baked.

SURFACE TREATMENT METHOD FOR ELECTROPLATING CONDUCTOR ROLL AND ELECTROPLATING CONDUCTOR ROLL
20190119824 · 2019-04-25 ·

[Problem] To limit adhesion of foreign matter stemming from plating liquid, metal stemming from the plated steel sheet and oxides of the metal to the surface of a conductor roll.

[Solution] A surface treatment method for surface-treating the roll surface of an electroplating conductor roll characterized in that: the surface treatment liquid is a surface treatment solution in which graphite has been dispersed in a mixed solution made of an aqueous aluminum phosphate solution and colloidal silica; and that the surface treatment liquid, in which concentrations have been adjusted such that when the surface treatment liquid is 100 mass %, the aluminum phosphate content is 3 mass % to 14 mass %, the silica content is 7 mass % to 37 mass %, and the graphite content is at least 4 mass %, is supplied to the roll surface and baked.

Substrate holder reception apparatus

This invention concerns a substrate holder reception apparatus (1) for clamping a substrate holder (11) in a substrate holder clamping direction (SHCD) in a predetermined position of the substrate holder (11) and releasing the substrate holder (11), comprising at least one substrate holder connection device (21) for mechanical aligning and electrically contacting of the substrate holder (11), wherein the substrate holder connection device (21) comprises a separate substrate holder alignment device (211) for aligning the substrate holder (11) with the substrate holder connection device (21) in an alignment direction, and a separate substrate holder contact device (212) for electrically contacting the substrate holder (11). Further, the invention concerns an electrochemical treatment apparatus (5) comprising the substrate holder reception apparatus (1).

Substrate holder reception apparatus

This invention concerns a substrate holder reception apparatus (1) for clamping a substrate holder (11) in a substrate holder clamping direction (SHCD) in a predetermined position of the substrate holder (11) and releasing the substrate holder (11), comprising at least one substrate holder connection device (21) for mechanical aligning and electrically contacting of the substrate holder (11), wherein the substrate holder connection device (21) comprises a separate substrate holder alignment device (211) for aligning the substrate holder (11) with the substrate holder connection device (21) in an alignment direction, and a separate substrate holder contact device (212) for electrically contacting the substrate holder (11). Further, the invention concerns an electrochemical treatment apparatus (5) comprising the substrate holder reception apparatus (1).

SUBSTRATE LOCKING SYSTEM, DEVICE AND PROCEDURE FOR CHEMICAL AND/OR ELECTROLYTIC SURFACE TREATMENT
20190032234 · 2019-01-31 ·

Exemplary substrate locking system, device, apparatus and method for chemical and/or electrolytic surface treatment of a substrate in a process fluid can be provided. For example, it is possible to provide a first element, a second element and a locking unit. The first element and the second element can be configured to hold the substrate between each other. The locking unit can be configured to lock the first element and the second element with each other. The locking unit can comprise a magnet control device and a magnet. The magnet can be arranged at or near the first element and/or the second element. The magnet control device can be configured to control a magnetic force between the first element and the second element.

Apparatus for electro-chemical plating

An electrochemical plating apparatus for depositing a conductive material on a wafer includes a cell chamber. The plating solution is provided from a bottom of the cell chamber into the cell chamber. A plurality of openings passes through a sidewall of the cell chamber. A flow regulator is arranged with each of the plurality of openings configured to regulate an overflow amount of the plating solution flowing out through the each of the plurality of openings. The electrochemical plating apparatus further comprises a controller to control the flow regulator such that overflow amounts of the plating solution flowing out through the plurality of openings are substantially equal to each other.

Apparatus for electro-chemical plating

An electrochemical plating apparatus for depositing a conductive material on a wafer includes a cell chamber. The plating solution is provided from a bottom of the cell chamber into the cell chamber. A plurality of openings passes through a sidewall of the cell chamber. A flow regulator is arranged with each of the plurality of openings configured to regulate an overflow amount of the plating solution flowing out through the each of the plurality of openings. The electrochemical plating apparatus further comprises a controller to control the flow regulator such that overflow amounts of the plating solution flowing out through the plurality of openings are substantially equal to each other.

ELECTROPLATING DEVICE AND ELECTROPLATING METHOD

Disclosed in an embodiment of the present invention is an electroplating device, comprising an electroplating tank, a clamp, a positioning cylinder and an anode, wherein the positioning cylinder is located in the electroplating tank; the positioning cylinder is open at one end; the anode is located inside the positioning cylinder, and the positioning cylinder comes in contact with the anode in a sealing manner; and in the entire surface region of the anode, only a first surface comes in contact with an electroplating solution, and the first surface is parallel and opposite to a substrate, with the center of the first surface being aligned with the center of the substrate, and the size of the first surface being similar to that of an effective electroplating region of the substrate. By means of the electroplating device, an electric field generated by the anode is uniformly distributed on the surface of the substrate, thereby improving the uniformity of the electroplating height on the surface of the substrate. Further disclosed in an embodiment of the present invention is an electroplating method using the electroplating device.

Electrodeposition system and method incorporating an anode having a back side capacitive element

Disclosed are an electrodeposition system and method with an anode assembly comprising a capacitor comprising a first conductive plate (i.e., an anode) with a frontside having a surface exposed to a plating solution, a second conductive plate on a backside of the first conductive plate, and a dielectric layer between the two conductive plates. During a non-plating mode, a power source, having positive and negative terminals connected to the first and second conductive plates, respectively, is turned on, thereby polarizing the first conductive plate (i.e., the anode) relative to the second conductive plate to prevent degradation of the anode and/or plating solution. During an active plating mode, another power source, having positive and negative terminals connected to the first conductive plate (i.e., the anode) and a cathode, respectively, is turned on, thereby polarizing the anode relative to the cathode in order to deposit a plated layer on a workpiece.