B23K1/0016

SOLDER TRANSFER INTEGRATED CIRCUIT PACKAGING
20220399298 · 2022-12-15 ·

An approach for transferring solder to a laminate structure in IC (integrated circuit) packaging is disclosed. The approach comprises of a device and method of applying the device. The device comprises of a substrate, a laser ablation layer and solder layer. The device is made by depositing a laser ablation layer onto a glass/silicon substrate and plenty of solder powder/solder pillar is further deposited onto the laser ablation layer. The laminate packaging substrate includes pads with a pad surface finishing layer made from gold. The solder layer of the device is bonded to the laminate packaging substrate. Once bonded, using laser to irradiate the laser ablation layer, the substrate is removed from the laminate.

COMPLIANT PIN SURFACE MOUNT TECHNOLOGY PAD FOR REWORK
20220400557 · 2022-12-15 ·

Aspects of the invention include a press-fit pin for mechanically and electrically connecting to a through-hole of a substrate. The press-fit pin can include a press-fit portion configured to be deformed upon insertion into the through-hole against a plated surface of the through-hole. A surface mount technology (SMT) pad can be coupled to a first end of the press-fit portion. The SMT pad can include a conductive material. The press-fit pin can further include a trace extension coupled to the SMT pad. The trace extension can extend from the SMT pad in a direction perpendicular to the press-fit portion. The press-fit pin can include a tip portion coupled to a second end of the press-fit portion.

Low temperature direct bonding of aluminum nitride to AlSiC substrates

Disclosed herein are power electronic modules formed by directly bonding a heat sink to a dielectric substrate using transition liquid phase bonding.

Method for Forming Silicon Carbide Module Integrated Structure
20220394857 · 2022-12-08 ·

A method for forming a silicon carbide module integrated structure includes a heat sink and a silicon carbide module, which is fixedly connected with the heat sink. The solder paste is arranged between the heat sink and the silicon carbide module, and the heat sink and the silicon carbide module are hot pressed through a welding process to weld the silicon carbide module and the heat sink together.

LED lamp and its power source module

An LED tube lamp with overvoltage protection capability is provided. The LED tube lamp includes a lamp tube, two external connection terminals, a rectifying circuit, a filtering circuit, an LED module, and a protection circuit. The protection circuit is coupled between two input terminals of the LED module and configured to perform overvoltage protection when determining that a voltage level between the two input terminals of the LED module reaches or is higher than a predefined voltage value, wherein the protection circuit includes a diode and the predefined voltage value is in a range of about 40V to about 600V.

HEAT ASSISTED FLIP CHIP BONDING APPARATUS
20220384383 · 2022-12-01 ·

A heat assisted flip chip bonding apparatus includes a semiconductor assembly having a substrate and a chip, a heating source and a press and cover assembly having a cover element and press elements. The chip is disposed above the substrate and includes conductors which contact with conductive pads on the substrate. The heating source is provided to emit a heated light which illuminates the chip via an opening of the cover element. The press elements are located between the cover element and the semiconductor assembly and each includes an elastic unit and a pressing unit. Both ends of the elastic unit are connected to the cover element and the pressing unit respectively, and the pressing unit is provided to press a back surface of the chip.

Protective heat shields for thermally sensitive components and methods for protecting thermally sensitive components

A method of manufacturing a printed circuit board assembly includes providing a circuit board, positioning a plurality of components including at least one thermally-sensitive component having a maximum temperature threshold on the circuit board, positioning a customized protective heat shield on the thermally-sensitive component, exposing the circuit board (having the thermally-sensitive component disposed thereon and the customized protective heat shield disposed on the thermally-sensitive component) to a high-temperature environment wherein temperatures exceed the maximum temperature threshold of the thermally-sensitive component, and removing the customized protective heat shield from the thermally-sensitive component. Customized protective heat shields are also provided.

Component holding device

A component holding device for the fixed-position arrangement of an electric component on a circuit board, having a support side for receiving the electric component, wherein at least one pretensioning element and at least one first latching element for the fixed-position latching of the electric component are provided on the support side, and the at least one pretensioning element is designed to exert a pretensioning force on the electric component, which presses the electric component against the at least one first latching element, and having at least one second latching element on an underside lying opposite the support side, wherein the second latching element is designed to fix the component holding device in a predefined location in a fixed position on the circuit board.

ELECTRONIC-COMPONENT CARRIER BOARD AND A WIRING METHOD FOR THE SAME

An electronic-component carrier board includes carrier plates formed in a stack, and insulating layers each disposed between two adjacent ones of the carrier plates. Multiple conductive pins extend through the insulating layers and the carrier plates. Multiple conductive wires equal in length and width are provided. Each conductive wire is connected to one of the conductive pins, covered by one of the insulating layers, disposed between two adjacent ones of the carrier plates, and extends outwardly from the stack of the carrier plates. A wiring method for the electronic-component carrier board is also disclosed.

Paste dispensing transfer system and method for a stencil printer

A paste dispensing transfer system of a stencil printer is configured to print an assembly material on an electronic substrate. The transfer system includes a paste cartridge mechanism coupled to a print head assembly of the stencil printer, and a rotary indexing mechanism coupled to a frame of the stencil printer. The paste dispensing transfer system is configured to transfer a used paste cartridge from the print head assembly to the rotary indexing mechanism supported by the frame and to transfer a new paste cartridge from the rotary indexing mechanism to the print head assembly.