Semiconductor Components Industries, LLC

Eiji Kurose

Francis J Carney

Michael John Seddon

Chee Hiong Chew

Soon Wei Wang

Yusheng Lin

Takashi Noma

How Kiat Liew

Sw Wang

Ch Chew

Shinzo Ishibe

Hideaki Yoshimi

Implementations of a semiconductor package may include a die; a first pad and a second pad, the first pad and the second pad each including a first layer and a second layer where the second layer may be thicker than the first layer. At least a first conductor may be directly coupled to the second layer of the first pad; at least a second conductor may be directly coupled to the second layer of the second pad; and an organic material may cover at least the first side of the die. The at least first conductor and the at least second conductor extend through openings in the organic material where a spacing between the at least first conductor and the at least second conductor may be wider than a spacing between the second layer of the first pad and the second layer of the second pad.

Semiconductor package electrical contact structures and related methods

Implementations of a silicon-in-insulator (SOI) semiconductor die may include a first largest planar surface, a second largest planar surface and a thickness between the first largest planar surface and the second largest planar surface; and one of a permanent die support structure, a temporary die support structure, or any combination thereof coupled to one of the first largest planar surface, the second largest planar surface, the thickness, or any combination thereof. The first largest planar surface, the second largest planar surface, and the thickness may be included through a silicon layer coupled to a insulative layer.

Silicon-on-insulator die support structures and related methods

Implementations of a semiconductor package may include a semiconductor die including a first side and a second side, the first side of the semiconductor die including one or more electrical contacts; and an organic material covering at least the first side of the semiconductor die. Implementations may include where the one or more electrical contacts extend through one or more openings in the organic material; a metal-containing layer coupled to the one or more electrical contacts; and one or more slugs coupled to one of a first side of the semiconductor die, a second side of the semiconductor die, or both the first side of the semiconductor die and the second side of the semiconductor die.

Semiconductor package electrical contacts and related methods

Various implementations of a method of forming a semiconductor package may include forming a plurality of notches into the first side of a semiconductor substrate; applying a permanent coating material into the plurality of notches; forming a first organic material over the first side of the semiconductor substrate and the plurality of notches; thinning a second side of the semiconductor substrate opposite the first side one of to or into the plurality of notches; and singulating the semiconductor substrate through the permanent coating material into a plurality of semiconductor packages.

Die sidewall coatings and related methods

Implementations of a method of forming a semiconductor package may include forming a plurality of notches into the first side of a semiconductor substrate; forming an organic material over the first side of the semiconductor substrate and into the plurality of notches; forming a cavity into each of a plurality of semiconductor die included in the semiconductor substrate; applying a backmetal into the cavity in each of the plurality of semiconductor die included in the semiconductor substrate; and singulating the semiconductor substrate through the organic material into a plurality of semiconductor packages.

Semiconductor packages with die including cavities and related methods

Implementations of a method of forming a semiconductor package may include forming electrical contacts on a first side of a wafer, applying a photoresist layer to the first side of the wafer, patterning the photoresist layer, and etching notches into the first side of the wafer using the photoresist layer. The method may include applying a first mold compound into the notches and over the first side of the wafer, grinding a second side of the wafer opposite the first side of the wafer to the notches formed in the first side of the wafer, applying one of a second mold compound and a laminate resin to a second side of the wafer, and singulating the wafer into semiconductor packages. Six sides of a die included in each semiconductor package may be covered by one of the first mold compound, the second mold compound, and the laminate resin.

Multi-faced molded semiconductor package and related methods

Implementations of a semiconductor package may include a semiconductor die including a first side and a second side where the first side of the semiconductor die includes one or more electrical contacts; a layer of metal coupled to the second side of the semiconductor; and a stress balance structure coupled to one of the layer of metal or around the one or more electrical contacts.

Semiconductor package stress balance structures and related methods

Implementations of a method of forming semiconductor packages may include: providing a wafer having a plurality of devices, etching one or more trenches on a first side of the wafer between each of the plurality of devices, applying a molding compound to the first side of the wafer to fill the one or more trenches; grinding a second side of the wafer to a desired thickness, and exposing the molding compound included in the one or more trenches. The method may include etching the second side of the wafer to expose a height of the molding compound forming one or more steps extending from the wafer, applying a back metallization to a second side of the wafer, and singulating the wafer at the one or more steps to form a plurality of semiconductor packages. The one or more steps may extend from a base of the back metallization.

Methods of forming semiconductor packages with back side metal

Semiconductor packages with die including cavities

Various implementations of a method of forming a semiconductor package may include forming a plurality of notches into the first side of a semiconductor substrate; forming an organic material over the first side of the semiconductor substrate and the plurality of notches; thinning a second side of the semiconductor substrate opposite the first side one of to or into the plurality of notches; stress relief etching the second side of the semiconductor substrate; applying a backmetal over the second side of the semiconductor substrate; removing one or more portions of the backmetal through jet ablating the second side of the semiconductor substrate; and singulating the semiconductor substrate through the permanent coating material into a plurality of semiconductor packages.

Backmetal removal methods

Implementations of a semiconductor device may include a semiconductor die including a first largest planar surface, a second largest planar surface and a thickness between the first largest planar surface and the second largest planar surface; and one of a permanent die support structure, a temporary die support structure, or any combination thereof coupled to one of the first largest planar surface, the second largest planar surface, the thickness, or any combination thereof where the semiconductor die may be coupled with one of a substrate, a leadframe, an interposer, a package, a bonding surface, or a mounting surface. The thickness may be between 0.1 microns and 125 microns.

Semiconductor packages with die support structure for thin die

Implementations of semiconductor packages may include: a semiconductor die having a first side and a second side; one or more bumps included on the first side of the wafer, the bumps comprising a first layer having a first metal and a second layer including a second metal. The first layer may have a first thickness and the second layer may have a second thickness. The semiconductor package may also have a mold compound encapsulating all the semiconductor die except for a face of the one or more bumps.

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Oizumi-machi, Japan

Eiji Kurose