C25D21/04

ELECTROCHEMICAL TREATMENT SYSTEM
20220220628 · 2022-07-14 ·

An electrochemical treatment system includes a treatment fluid supply manifold, a fluid return manifold, and an electrode section connected to the treatment fluid supply manifold. A plurality of treatment fluid supply ports feed fluid through or across the electrode and a plurality of fluid return ports proximate the treatment fluid supply ports are connected to the fluid return manifold. A porous pad is coupled to the electrode section for contacting a substrate to be treated and receives the treatment fluid via the plurality of treatment fluid supply ports. The plurality of fluid return ports remove spent and excess treatment fluid and gases from the substrate, the surrounding air, and the porous pad.

ELECTROCHEMICAL TREATMENT SYSTEM
20220220628 · 2022-07-14 ·

An electrochemical treatment system includes a treatment fluid supply manifold, a fluid return manifold, and an electrode section connected to the treatment fluid supply manifold. A plurality of treatment fluid supply ports feed fluid through or across the electrode and a plurality of fluid return ports proximate the treatment fluid supply ports are connected to the fluid return manifold. A porous pad is coupled to the electrode section for contacting a substrate to be treated and receives the treatment fluid via the plurality of treatment fluid supply ports. The plurality of fluid return ports remove spent and excess treatment fluid and gases from the substrate, the surrounding air, and the porous pad.

Method of controlling chemical concentration in electrolyte and semiconductor apparatus

A method of controlling chemical concentration in electrolyte includes measuring a chemical concentration in an electrolyte, wherein the electrolyte is contained in a tank; and increasing a vapor flux through an exhaust pipe connected to the tank when the measured chemical concentration is lower than a control lower limit value.

Method of controlling chemical concentration in electrolyte and semiconductor apparatus

A method of controlling chemical concentration in electrolyte includes measuring a chemical concentration in an electrolyte, wherein the electrolyte is contained in a tank; and increasing a vapor flux through an exhaust pipe connected to the tank when the measured chemical concentration is lower than a control lower limit value.

AIR BUBBLE REMOVING METHOD OF PLATING APPARATUS AND PLATING APPARATUS
20220106701 · 2022-04-07 ·

A technique that ensures suppressing deterioration of a plating quality of a substrate caused by air bubbles accumulated on a lower surface of a membrane is provided. An air bubble removing method of a plating apparatus is an air bubble removing method for removing air bubble in an anode chamber 13 in a plating apparatus 1000 including a plating tank 10 and a substrate holder 30. The air bubble removing method includes: supplying a plating solution Ps from at least one supply port 70 disposed in an outer peripheral portion 12 of the anode chamber to the anode chamber and causing at least one discharge port 71 disposed in the outer peripheral portion of the anode chamber so as to face the supply port to suction the supplied plating solution to form a shear flow Sf of the plating solution along a lower surface on the lower surface 61a of a membrane 61 in the anode chamber.

AIR BUBBLE REMOVING METHOD OF PLATING APPARATUS AND PLATING APPARATUS
20220106701 · 2022-04-07 ·

A technique that ensures suppressing deterioration of a plating quality of a substrate caused by air bubbles accumulated on a lower surface of a membrane is provided. An air bubble removing method of a plating apparatus is an air bubble removing method for removing air bubble in an anode chamber 13 in a plating apparatus 1000 including a plating tank 10 and a substrate holder 30. The air bubble removing method includes: supplying a plating solution Ps from at least one supply port 70 disposed in an outer peripheral portion 12 of the anode chamber to the anode chamber and causing at least one discharge port 71 disposed in the outer peripheral portion of the anode chamber so as to face the supply port to suction the supplied plating solution to form a shear flow Sf of the plating solution along a lower surface on the lower surface 61a of a membrane 61 in the anode chamber.

PLATING APPARATUS, AIR BUBBLE REMOVING METHOD, AND STORAGE MEDIUM THAT STORES PROGRAM TO CAUSE COMPUTER IN PLATING APPARATUS TO EXECUTE AIR BUBBLE REMOVING METHOD
20220106698 · 2022-04-07 ·

A plating module includes a plating tank, a substrate holder, an elevating mechanism, an anode, an ionically resistive element, a supply pipe, and a bypass pipe. The substrate holder is for holding a substrate Wf with a surface to be plated Wf-a facing downward. The elevating mechanism is for moving up and down the substrate holder. The anode is disposed inside the plating tank so as to face the substrate Wf held by the substrate holder. The ionically resistive element is disposed between the anode and the substrate Wf. The supply pipe is for supplying a process liquid stored in a reservoir tank from a lower side of the ionically resistive element to the plating tank. The bypass pipe is for discharging the process liquid supplied to the plating tank via the supply pipe from the lower side of the ionically resistive element to the reservoir tank.

GAS-SOLID SEPARATION STRUCTURE, FEEDING DEVICE AND ELECTROCHEMICAL DEPOSITION APPARATUS

The present disclosure provides a gas-solid separation structure including: a feeding pipeline including a first feeding part, a second feeding part and a first valve disposed between the first and second feeding parts; a discharge pipeline having a first opening and a second opening opposite to each other, the second feeding part extending into the discharge pipeline via the first opening; wherein an exhaust channel is formed between the second feeding part and the discharge pipeline, exhaust holes are formed in a portion of the discharge pipeline opposite to the second feeding part, and the exhaust channel is in communication with the exhaust holes. The present disclosure further provides a feeding device and an electrochemical deposition apparatus. The present disclosure can improve the problem of interference with medicine powder release caused by gases entering the discharge pipeline.

GAS-SOLID SEPARATION STRUCTURE, FEEDING DEVICE AND ELECTROCHEMICAL DEPOSITION APPARATUS

The present disclosure provides a gas-solid separation structure including: a feeding pipeline including a first feeding part, a second feeding part and a first valve disposed between the first and second feeding parts; a discharge pipeline having a first opening and a second opening opposite to each other, the second feeding part extending into the discharge pipeline via the first opening; wherein an exhaust channel is formed between the second feeding part and the discharge pipeline, exhaust holes are formed in a portion of the discharge pipeline opposite to the second feeding part, and the exhaust channel is in communication with the exhaust holes. The present disclosure further provides a feeding device and an electrochemical deposition apparatus. The present disclosure can improve the problem of interference with medicine powder release caused by gases entering the discharge pipeline.

Adaptive apparatus for release of trapped gas bubbles and enhanced agitation for a plating system

The present disclosure concerns an array of chemical and electrochemical treatment cells. The cells include electrochemical cells that individually include a plating tank, a power supply, and an anode. A flight bar for supporting a cathode is moved from one tank to another for treating and plating a cathode surface. Within an electrochemical tank, the power supply operates a circuit with metal ions being eroded from the anode and being deposited onto the cathode surface. A plating apparatus is configured to simultaneously provide mechanical support, a cathodic connection, and agitation to a cathode in a plating tank. The plating apparatus includes an agitator which rotates the cathode about a fixed pivot connection to provide motion along a lateral axis and a vertical axis.