H01L2224/83224

Apparatus for direct transfer of semiconductor devices with needle retraction support

An apparatus, for attaching a semiconductor device die to a circuit substrate, includes an elongated rod to press a holding substrate carrying the semiconductor device die into a position at which the semiconductor device die attaches to the circuit substrate; and a support including a base portion having a hole via which the elongated rod passes when actuated to press the holding substrate.

METHOD OF FABRICATING A SEMICONDUCTOR PACKAGE

Provided is a method of fabricating a semiconductor package. The method includes preparing a package substrate having a substrate pad, and mounting a semiconductor chip on the substrate pad. Mounting the semiconductor chip includes forming a resin layer containing a solder and reducing agent granules having a first capsule layer, between a chip pad of the semiconductor chip and the substrate pad, and bonding the chip pad to the substrate pad using laser irradiated to the semiconductor chip.

Laser assisted transfer welding process
10181483 · 2019-01-15 ·

A method of printing transferable components includes pressing a stamp including at least one transferable semiconductor component thereon on a target substrate such that the at least one transferable component and a surface of the target substrate contact opposite surfaces of a conductive eutectic layer. During pressing of the stamp on the target substrate, the at least one transferable component is exposed to electromagnetic radiation that is directed through the transfer stamp to reflow the eutectic layer. The stamp is then separated from the target substrate to delaminate the at least one transferable component from the stamp and print the at least one transferable component onto the surface of the target substrate. Related systems and methods are also discussed.

Bonded assembly and display device including the same
10178769 · 2019-01-08 · ·

A bonded assembly including: a first electronic component including a first substrate and a plurality of first electrodes disposed in a pressed area at a first height from a surface of the first substrate; a second electronic component including a second substrate and a plurality of second electrodes disposed at a second height from a surface of the second substrate, a second electrode overlapping with a corresponding first electrode to face the first electrode; a conductive bonding layer disposed between the first electrode and the second electrode overlapped with each other to bond the first electrode and the second electrode; and at least one spacer disposed between the first substrate and the second substrate to overlap the pressed area, the at least one spacer having a thickness that is greater than a value obtained by summing the first height and the second height.

Method and apparatus for direct transfer of semiconductor device die from a mapped wafer

A system for performing a direct transfer of a plurality of semiconductor die from a first substrate to a second substrate based on map data of the location of the semiconductor die. A first conveyance mechanism conveys the first substrate. A second conveyance mechanism conveys the second substrate. A transfer mechanism is disposed adjacent to the first conveyance mechanism to effectuate the direct transfer. A controller causes one or more processors to perform operations including: determining positions of the plurality of semiconductor die based at least in part on map data, conveying at least one of the first substrate or the second substrate such that the first substrate, the second substrate, and the transfer mechanism are in a direct transfer position, and activating the transfer mechanism to perform the direct transfer of the plurality of semiconductor die.

APPARATUS FOR BONDING SEMICONDUCTOR CHIP AND METHOD FOR BONDING SEMICONDUCTOR CHIP
20180366433 · 2018-12-20 · ·

Provided are a semiconductor chip bonding apparatus and a semiconductor chip bonding method, and more particularly, to an apparatus and method of bonding a semiconductor chip to an upper surface of a substrate or another semiconductor chip. According to the semiconductor chip bonding apparatus and the semiconductor chip bonding method, productivity may be increased by quickly and accurately bonding a semiconductor chip to a substrate or another semiconductor chip.

Method and apparatus for light diffusion

A display apparatus includes a substrate and a plurality of LEDs. Each LED is attached to the substrate via conductive pads on a side of the LED. A diffuser having light diffusing characteristics is aligned with the plurality LEDs against a surface of the substrate. The diffuser is aligned so as to nest around at least one LED of the plurality of LEDs.

Materials for use with interconnects of electrical devices and related methods

Certain examples disclosed herein are directed to materials that are designed for use in interconnects of electrical devices such as, for example, printed circuit boards and solar cells. In certain examples, a two-step solder may be used to reduce stresses on the materials used in the production of the electrical devices.

Substrate with Array of LEDs for Backlighting a Display Device
20180301439 · 2018-10-18 ·

A circuit component for a display includes a substrate and a circuit trace having a predetermined pattern disposed on a surface of the substrate. A plurality of semiconductor die are connected to the substrate via the circuit trace. The plurality of semiconductor die are distributed across the surface of the substrate. One or more substrate orientation datum points are disposed on the substrate. The substrate orientation datum points are readable via a sensor of an apparatus that performs a transfer of the plurality of semiconductor die from a supply of die. The substrate orientation datum points provide information regarding positions on the circuit trace. The positions correspond to transfer locations for the plurality of semiconductor die, respectively.

APPARATUS FOR DIRECT TRANSFER OF SEMICONDUCTOR DEVICE DIE
20180286838 · 2018-10-04 ·

An apparatus for performing a direct transfer of a die. The apparatus includes a first frame to hold the first substrate and a second frame to hold the second substrate. The apparatus further includes a transfer mechanism disposed adjacent to the first frame. The transfer mechanism includes a needle configured to press against the first substrate at a location collinear with the die. A controller, including one or more processors communicatively coupled with the first frame, the second frame, and the transfer mechanism, has executable instructions, which when executed, cause the one or more processors to perform operations including: determining a transfer position of the die on the first substrate via one or more sensors, and aligning the transfer position of the die with the needle of the transfer mechanism via movement of at least two of the first frame, the second frame, and the transfer mechanism.