B23K3/082

METHOD OF MOUNTING CONDUCTIVE BALL
20200144220 · 2020-05-07 · ·

Provided is a method of mounting a conductive ball, and more particularly, a method of mounting a conductive ball, whereby defects during a process of mounting a conductive ball on a substrate by using a mounting hole formed in a mask may be prevented, and a conductive ball having a small size may also be effectively mounted on the substrate. According to the method of mounting a conductive ball, a process of mounting a conductive ball may be performed by preventing deformation of a mask, thus achieving a high quality of the process without omitting any conductive balls.

Flux applying method and flux applying apparatus
10610943 · 2020-04-07 · ·

There is provided a flux applying method using a flux applying apparatus configured to jet and apply a flux to a target. The flux is supplied to a nozzle of the flux applying apparatus. A gas is applied to a foaming pipe with a porous filter included in the nozzle. The gas is jetted from the porous filter of the foaming pipe to the flux supplied to the nozzle, thereby jetting foamed flux to the target.

Self-heating solder flux material

A self-heating solder flux material includes a solder flux material and a multi-compartment microcapsule. The solder flux material includes a solvent carrier, and the multi-compartment microcapsule includes a first compartment, a second compartment, and an isolating structure. The first compartment contains a first reactant, and the second compartment contains a second reactant. The isolating structure separates the first compartment from the second compartment. The isolating structure is adapted to rupture in response to a stimulus.

AN APPLICATOR DEVICE
20200047272 · 2020-02-13 · ·

There is provided an applicator device (1) for applying a composition to an end of a pipe. The applicator device comprises an applicator head (3), the applicator head having a cavity (9) with an opening into which the end of the pipe can be inserted. The applicator head comprises at least one brush (10) and at least one aperture (12) for delivering the composition into the cavity, each brush having bristles which extend into the cavity (9) to wipe against the end of the pipe, each aperture being closer to the opening of the cavity than to a base of the cavity. There is further provided an applicator device (1) comprising a supplementary brush for wiping the composition over an internal surface of the pipe, a container (60) of flux composition for connecting to the applicator device, and a method of applying a composition to an end of a pipe.

Gallium liquid metal embrittlement for device rework

A method for removing an electrical component from a substrate where the component is coupled to the substrate by connection elements. The method includes disposing liquid gallium (Ga) at or near an edge of the component and dispersing the liquid Ga between the substrate and the component such that the liquid Ga contacts one or more of the connection elements. The method also includes maintaining the liquid Ga between the substrate, component and one or more of the connection elements for a prescribed time period and removing the component from the substrate by applying a mechanical force to the component.

REFLOW FURNACE AND SOLDERING METHOD

A reflow furnace that can reduce both the flux clinging defect in a circuit board, and the thermal cracking defect in an electronic component has a heat zone in which a circuit board with a mounted electronic component is heated, and a cooling zone in which the heated circuit board is cooled, and includes: a shield disposed between the heat zone and the cooling zone and having an opening for passage of the circuit board; and a tunnel-like cover physically coupled to the opening and extending along a transport direction of the circuit board.

FLUX TRANSFER APPARATUS
20240082941 · 2024-03-14 · ·

A flux transfer apparatus (100) includes: a stage (12), having a concave part (13) at a central part; a flux pot (20), having, disposed on a bottom plate (25), a through hole (27) supplying flux (50) to a concave part (13), and reciprocally moving on a surface (14, 15) of the stage (12) to supply the flux (50) to the concave part (13); a detector (30), detecting a remaining amount of the flux (50) stored in the flux pot (20). The detector is disposed on a lower side of the stage (12) or a lateral side of the flux pot (20).

APPLYING APPARATUS AND APPLYING METHOD
20190366461 · 2019-12-05 · ·

An applying apparatus according to one embodiment of the invention includes an application liquid nozzle, a wall and an air nozzle. The application liquid nozzle sprays an application liquid onto a predetermined area of a board. The wall is arranged so as to surround the predetermined area of the board, and includes a flow channel through which the application liquid that has been sprayed from the application liquid nozzle flows to the predetermined area. The air nozzle is provided adjacent to the wall, and sprays air onto the board.

Laser-Assisted Soldering Apparatus
20240109144 · 2024-04-04 ·

A soldering apparatus includes an application device, a conveying device and an application nozzle. The application device has a laser duct extending straight from a laser entry at the top to a laser exit at the bottom and a drop duct that extends from a drop entry at the top to a drop exit at the bottom of the application device. The conveying device separately conveys solder bodies to the drop entry. The application nozzle temporarily holds solder bodies received from the drop exit. The laser and drop ducts are interconnected over their entire lengths from the top to the bottom of the application device. The drop entry and laser entry are side by side and form a common entry. The drop exit and laser exit are spatially coincident and form a common exit that is smaller than the common entry. The application nozzle is connected to the common exit.

Flux applying apparatus
10434592 · 2019-10-08 · ·

There is provided a flux applying apparatus configured to jet and apply a flux to a target, whereby the flux applying apparatus is capable of rapidly collecting a surplus flux in a sub-tank and returning the same to the main tank for further jetting and applying. In particular, the flux applying apparatus is coupled to a control unit capable of estimating a flux amount trapped in the sub-tank on the basis of a time period for which the flux is to be jetted from the nozzle.