Abstract: The present disclosure relates to an apparatus for cutting substrate material, the apparatus including: a mounting frame; a base mounted to the mounting frame; an upper cutter device disposed on the mounting frame; and a substrate material clamp disposed on the upper cutter device and used to clamp substrate material, the substrate material clamp including a clamp body and a flattening member connected to the clamp body, and the flattening member being used to flatten the substrate material. In the above technical solution, the flattening member is provided on the lower surface of the substrate material clamp, and during the process that the substrate material clamp approaches the base, the flattening member flattens the curled substrate material, and thus the quality of the substrate material is improved.

Abstract: The present disclosure provides a magnetron sputtering equipment, including: a mesh shielding plate disposed in a vacuum chamber of the magnetron sputtering equipment; the vacuum chamber includes one or more coating chambers, and the mesh shielding plate is disposed on a sidewall within the coating chamber, which facilitates the smooth operation of the magnetron sputtering target, and avoids the gas pollution of the vacuum chamber, and the installation and disassembly are simple and fast. The present disclosure provides an important solution and approach for a production line of the magnetic sputtering equipment.

Abstract: A target conveying vehicle includes a lifting vehicle and a target fixing device. The lifting vehicle includes a vehicle body (1) and load bars (2) which are arranged on the vehicle body (1) and able to be elevated and lowered. The target fixing device is arranged on the load bars (2), and includes a target carrier mechanism and at least one locking mechanism arranged on the target carrier mechanism. The at least one locking mechanism is arranged for fixing the target on the target carrier mechanism.

Abstract: An atomization device for preparing metal alloy powder which includes a main body provided with an atomization chamber, the atomization chamber is provided with an inlet and an atomization zone, the inlet is configured to introduce metal alloy liquid; a high-pressure inert gas pipeline system that is configured to provide a high-pressure inert gas introduced into an atomization zone of the atomization chamber, to atomize the metal alloy liquid; and an oxygen-containing gas pipeline system that is configured to transfer oxygen-containing gas to the atomization zone.

Abstract: Provided is a method of preparing an alloy powder, comprising the steps of: melting the metal elements to produce the alloy solution; atomizing the alloy solution into small drops under oxygen-containing atmosphere; forcing the small drops to be quickly cooled under the driving of the atomizing flow to obtain the alloy powder; wherein, when the method is used to prepare Cu—In—Ga alloy powder, Cu/(In+Ga) is 0.5 to 1.1, In/(In+Ga) is 0.2 to 0.9, Ga/(In+Ga) is 0.1 to 0.8, In/(In+Ga)+Ga/(In+Ga) is 1. Also provided is an alloy powder and a method of preparing Cu—In—Ga alloy powder.

Abstract: This disclosure provides a method for preparing a CIGS thin film solar cell, including placing a substrate formed with a barrier layer into a sputtering chamber, and forming a doping layer on the barrier layer by sputtering, wherein the doping layer is sodium doped a hetero-molybdenum layer; detecting sodium ion content, and introducing water vapor into the sputtering chamber according to the sodium ion content when the doping layer is formed by sputtering. The method for preparing the CIGS thin film solar cell of the present disclosure introduces water vapor into the sputtering chamber according to the content of sodium ions. The water vapor may ensure the stability after sodium ion sputtering, and the content of water vapor is adjusted according to the sodium ion content.

Abstract: The present disclosure relates to an airtightness detection equipment for detecting the airtightness of a pedestal on which a target is mounted, comprising: a sealing device configured to hermetically adhere to the pedestal, forming a sealed space between the sealing device and the pedestal; a vacuum pumping device configured to evacuate the sealed space; a gas detection device configured to detect gas in the sealed space.

Abstract: The present disclosure discloses a sputter coating device and method for a solar cell. The sputter coating device includes a target for sputtering to a substrate, a blocking unit between the target and the substrate, and the orthographic projection of the blocking unit on the substrate partially coincides with the orthographic projection of the target on the substrate.

Abstract: The present disclosure discloses a method for preparing an insulating layer of a flexible photovoltaic module. The method includes: placing the flexible photovoltaic module on a spraying device, and using a shielding component to shield both side surfaces of the flexible photovoltaic module; performing a first spraying on the sidewall to be insulated of the flexible photovoltaic module to form an insulating bottom layer; performing a second spraying on the insulating bottom layer to form an insulating top layer such that the insulating bottom layer and the insulating top layer constitute an insulating layer; and drying the insulating layer.

Abstract: The present disclosure relates to a laminated film and a method for manufacturing the laminated film. The method includes: depositing a first film layer on a substrate; forming a porous force-release contact layer on the first film layer; and forming a second film layer on the force-release contact layer, wherein the first film layer is a metal layer and the second film layer is a semiconductor layer, or the first film layer is a semiconductor layer and the second film layer is a metal layer.

Abstract: The present disclosure discloses a thread tension adjusting device comprising a body, a tension rod, an elastic element and an adjusting knob. A thread passing eye for inputting a thread is arranged below the body. A tension wheel and a thread passing wheel are rotatably arranged on the body. An adjusting knob is used for adjusting a rotational speed of the tension wheel. The elastic element has one end connected to the body and another end connected to the tension rod. The thread tension adjusting device may ensure stability of tensioning and transmitting of the thread by cooperation between the tension rod and the tension wheel, and improve precision for thread tension adjusting by the adjusting knob. In addition, the thread tension adjusting device may monitor thread breakage by the tension detector, and ensure operating stability and safety of the thread tension adjusting device.

Abstract: This application provides a solar cell, a cutting method and a cutting device for the solar cell, the cutting method for the solar cell includes: cutting a continuous thin-film solar cell on a substrate into at least one intermediate transition cell with a preset size; carrying out integrated lamination on one of the intermediate transition cells, a packaging material and a metal wire to form a transition laminated cell; cutting the transition laminated cell into a plurality of single-piece cells, and cutting edge angles of the single-piece cells to form fillets.

Abstract: Disclosed is a photovoltaic assembly, including a cooling platform for supporting the photovoltaic assembly to be cooled; a first high-temperature cloth unit provided on the cooling platform; a vacuum cover for forming a vacuum chamber together with the cooling platform, the vacuum chamber accommodating the photovoltaic assembly to be cooled; a second high-temperature cloth unit provided at a side of the vacuum cover facing the cooling platform; and a lifting bracket for driving the vacuum cover lift or fall. In the above-mentioned photovoltaic assembly, the vacuum cover is driven and lifted by the lifting bracket, and forms a vacuum chamber together with the cooling platform. The vacuum chamber creates a pressure cooling effect for the photovoltaic assembly to be cooled. In turn, the appearance defects may be reduced when the photovoltaic assembly is cooled to the normal temperature.