H01L2224/75261

Methods of bonding semiconductor elements to a substrate, including use of a reducing gas, and related bonding machines

A method of bonding a semiconductor element to a substrate includes: carrying a semiconductor element including a plurality of first electrically conductive structures with a bonding tool; supporting a substrate including a plurality of second electrically conductive structures with a support structure; providing a reducing gas in contact with each of the plurality of first conductive structures and the plurality of second conductive structures; establishing contact between corresponding ones of the plurality of first conductive structures and the plurality of second conductive structures; moving at least one of the semiconductor element and the substrate such that the corresponding ones of the plurality of first conductive structures and the plurality of second conductive structures are separated; re-establishing contact between the plurality of first conductive structures and the plurality of second conductive structures; and bonding the plurality of first conductive structures to the respective ones of the plurality of second conductive structures.

Method of manufacturing semiconductor devices
10825795 · 2020-11-03 · ·

A method of manufacturing a semiconductor device may include forming an adhesive film on a surface of a semiconductor chip, mounting the semiconductor chip on a substrate such that the adhesive film contacts an upper surface of the substrate, and bonding the semiconductor chip and the substrate curing the adhesive film by simultaneously performing a thermo-compression process and an ultraviolet irradiation process on the adhesive film disposed between the substrate and the semiconductor chip.

LASER BONDING APPARATUS FOR THREE-DIMENSIONAL STRUCTURES
20200335344 · 2020-10-22 ·

Disclosed are a laser bonding apparatus and a laser bonding method capable of bonding an electronic component to a three-dimensional structure having a regular or irregular shape in a curved portion such as an automobile tail lamp or a headlamp. The laser bonding apparatus and method for a three-dimensional structure may prevent misalignment and poor bonding of the electronic component with respect to the three-dimensional structure.

DEVICE AND METHOD FOR REEL-TO-REEL LASER REFLOW
20200321310 · 2020-10-08 ·

The present invention relates to a reel-to-reel layer reflow method, which emits a uniformized laser beam, which can easily adjust the emission area, and which is for the purpose of improving productivity. An embodiment of the present invention provides a reel-to-reel layer reflow method comprising the steps of: a) transferring a substrate, which has been wound in a roll type, to one side while unwinding the same; b) forming a solder portion on the substrate; c) seating an emission target element on the solder portion and seating a non-emission target element on the substrate; d) surface-emitting a laser beam to the solder portion, on which the emission target element is seated, such that the emission target element is attached to the substrate; e) inspecting the substrate structure manufactured through said step d); and f) winding the substrate structure in a roll type.

LASER HEATING DEVICE FOR MOUNTING LED
20200287352 · 2020-09-10 ·

A laser heating device for mounting LED includes: a carrier substrate, an optical module and a laser generation module. The carrier substrate for carrying a circuit substrate includes a plurality of conductive pads, a plurality of conductors, and a plurality of LED chips. The conductors are respectively disposed on the conductive pads, and each of the LED chips is disposed in at least two of the corresponding conductors. The optical module is disposed above the carrier substrate. The laser generation module is adjacent to the optical module to provide a laser source having a first predetermined range. The conductor is irradiated by the laser source to mount the LED chip, the first predetermined range of the laser source is optically adjusted by the optical module to form a second predetermined range, and the first predetermined range is greater than, less than or equal to the second predetermined range.

Placing ultra-small or ultra-thin discrete components
10748802 · 2020-08-18 · ·

A method includes dicing a wafer to form discrete components; transferring the discrete components onto a transparent carrier, including adhering the discrete component to a carrier release layer on the transparent carrier; and releasing one of the discrete components from the transparent carrier, the one of the discrete components being deposited onto a device substrate after the releasing.

Laser bonding apparatus for three-dimensional molded sculptures
10748773 · 2020-08-18 · ·

Disclosed are a laser bonding apparatus and a laser bonding method capable of bonding an electronic component to a three-dimensional structure having a regular or irregular shape in a curved portion such as an automobile tail lamp or a headlamp. The laser bonding apparatus and method for a three-dimensional structure may prevent misalignment and poor bonding of the electronic component with respect to the three-dimensional structure.

APPARATUS AND METHOD FOR DIRECT TRANSFER OF SEMICONDUCTOR DEVICES FROM A SUBSTRATE AND STACKING SEMICONDUCTOR DEVICES ON EACH OTHER
20200251453 · 2020-08-06 ·

A method includes loading a wafer tape into a first frame, the wafer tape having a first side and a second side, a first semiconductor device die being disposed on the first side of the wafer tape. A substrate is loaded into a second frame, the substrate including a second semiconductor device die onto which the first semiconductor device die is to be transferred. A needle is oriented to a position adjacent to the second side of the wafer tape, the needle extending in a direction toward the wafer tape, and a needle actuator connected to the needle is activated to move the needle to a die transfer position at which the needle contacts the second side of the wafer tape to press the first semiconductor device die into contact with the second semiconductor device die.

APPARATUS FOR DIRECT TRANSFER OF SEMICONDUCTOR DEVICE DIE
20200243491 · 2020-07-30 ·

A semiconductor device die transfer apparatus includes a first frame to hold a wafer tape having a plurality of semiconductor device die disposed on a side of the wafer tape and a second frame to secure a product substrate having a circuit trace thereon. The second frame is configured to secure the product substrate such that the circuit trace is disposed facing the plurality of semiconductor device die on the wafer tape. Additionally, a rotary transfer collet is disposed between the wafer tape and the product substrate. The rotary transfer collet has a rotational axis allowing rotation from a first position facing the wafer tape to pick a die of the plurality of semiconductor device die to a second position facing the circuit trace on the product substrate to release the die, thereby applying the die directly on the product substrate during a transfer operation.

Micro-selective sintering laser systems and methods thereof

A microscale selective laser sintering (-SLS) that improves the minimum feature-size resolution of metal additively manufactured parts by up to two orders of magnitude, while still maintaining the throughput of traditional additive manufacturing processes. The microscale selective laser sintering includes, in some embodiments, ultra-fast lasers, a micro-mirror based optical system, nanoscale powders, and a precision spreader mechanism. The micro-SLS system is capable of achieving build rates of at least 1 cm.sup.3/hr while achieving a feature-size resolution of approximately 1 m. In some embodiments, the exemplified systems and methods facilitate a direct write, microscale selective laser sintering -SLS system that is configured to write 3D metal structures having features sizes down to approximately 1 m scale on rigid or flexible substrates. The exemplified systems and methods may operate on a variety of material including, for example, polymers, dielectrics, semiconductors, and metals.