Patent classifications
H01L2224/48465
MANUFACTURABLE DEVICES FORMED ON GALLIUM AND NITROGEN MATERIAL
A method for manufacturing a laser diode device includes providing a substrate having a surface region and forming epitaxial material overlying the surface region, the epitaxial material comprising an n-type cladding region, an active region comprising at least one active layer overlying the n-type cladding region, and a p-type cladding region overlying the active layer region. The epitaxial material is patterned to form a plurality of dice, each of the dice corresponding to at least one laser device, characterized by a first pitch between a pair of dice, the first pitch being less than a design width. Each of the plurality of dice are transferred to a carrier wafer such that each pair of dice is configured with a second pitch between each pair of dice, the second pitch being larger than the first pitch.
STACKED DIE ASSEMBLY
A sensor device comprising: a lead frame; a first/second semiconductor die having a first/second sensor structure at a first/second sensor location, and a plurality of first/second bond pads electrically connected to the lead frame; the semiconductor dies having a square or rectangular shape with a geometric center; the sensor locations are offset from the geometrical centers; the second die is stacked on top of the first die, and is rotated by a non-zero angle and optionally also offset or shifted with respect to the first die, such that a perpendicular projection of the first and second sensor location coincide.
SEMICONDUCTOR DEVICE
The semiconductor device includes a semiconductor element, a first lead, and a second lead. The semiconductor element has an element obverse surface and an element reverse surface spaced apart from each other in a thickness direction. The semiconductor element includes an electron transit layer disposed between the element obverse surface and the element reverse surface and formed of a nitride semiconductor, a first electrode disposed on the element obverse surface, and a second electrode disposed on the element reverse surface and electrically connected to the first electrode. The semiconductor element is mounted on the first lead, and the second electrode is joined to the first lead. The second lead is electrically connected to the first electrode. The semiconductor element is a transistor. The second lead is spaced apart from the first lead and is configured such that a main current to be subjected to switching flows therethrough.
Manufacturable laser diode formed on c-plane gallium and nitrogen material
A method for manufacturing a laser diode device includes providing a substrate having a surface region and forming epitaxial material overlying the surface region, the epitaxial material comprising an n-type cladding region, an active region comprising at least one active layer overlying the n-type cladding region, and a p-type cladding region overlying the active layer region. The epitaxial material is patterned to form a plurality of dice, each of the dice corresponding to at least one laser device, characterized by a first pitch between a pair of dice, the first pitch being less than a design width. Each of the plurality of dice are transferred to a carrier wafer such that each pair of dice is configured with a second pitch between each pair of dice, the second pitch being larger than the first pitch.
Manufacturable laser diode formed on c-plane gallium and nitrogen material
A method for manufacturing a laser diode device includes providing a substrate having a surface region and forming epitaxial material overlying the surface region, the epitaxial material comprising an n-type cladding region, an active region comprising at least one active layer overlying the n-type cladding region, and a p-type cladding region overlying the active layer region. The epitaxial material is patterned to form a plurality of dice, each of the dice corresponding to at least one laser device, characterized by a first pitch between a pair of dice, the first pitch being less than a design width. Each of the plurality of dice are transferred to a carrier wafer such that each pair of dice is configured with a second pitch between each pair of dice, the second pitch being larger than the first pitch.
SEMICONDUCTOR DEVICE PACKAGING EXTENDABLE LEAD AND METHOD THEREFOR
A method of manufacturing a semiconductor device is provided. The method includes attaching a first end of a first bond wire to a first conductive lead and a second end of the first bond wire to a first bond pad of a first semiconductor die. A conductive lead extender is affixed to the first conductive lead by way of a conductive adhesive, the lead extender overlapping the first end of the first bond wire. A first end of a second bond wire is attached to the lead extender, the first end of the second bond wire conductively connected to the first end of the first bond wire.
Sawn leadless package having wettable flank leads
A method of forming a leadless packaged semiconductor device. First partial sawing leads is performed on a bottom side of an in-process leadless semiconductor package having a leadframe including die pad with a semiconductor chip thereon, and leads defining top and bottom surfaces and having an inner end and an outer end having a bottom corner region. Conductive bond wires connect to and extending between bond pads on the chip and respective leads, a mold compound is around the die pad, leads, chip, and conductive bond wires while exposing the bottom surface and outer end. The first sawing completely severs the leads while forming only a partial cut in the mold compound. A de-flash process is applied to the bottom side. The second sawing aligned to the partial cuts reaches the partial cuts to complete singulation of the package, wherein the second sawing does not touch the leads.
Sawn leadless package having wettable flank leads
A method of forming a leadless packaged semiconductor device. First partial sawing leads is performed on a bottom side of an in-process leadless semiconductor package having a leadframe including die pad with a semiconductor chip thereon, and leads defining top and bottom surfaces and having an inner end and an outer end having a bottom corner region. Conductive bond wires connect to and extending between bond pads on the chip and respective leads, a mold compound is around the die pad, leads, chip, and conductive bond wires while exposing the bottom surface and outer end. The first sawing completely severs the leads while forming only a partial cut in the mold compound. A de-flash process is applied to the bottom side. The second sawing aligned to the partial cuts reaches the partial cuts to complete singulation of the package, wherein the second sawing does not touch the leads.
INTEGRATED CIRCUIT DIE PAD CAVITY
An integrated circuit and method of making an integrated circuit is provided. The integrated circuit includes an electrically conductive pad having a generally planar top surface that includes a cavity having a bottom surface and sidewalls extending from the bottom surface of the cavity to the top surface of the pad. An electronic device is attached to the top surface of the electrically conductive pad. A wire bond is attached from the electronic device to the bottom surface of the cavity. A molding compound encapsulates the electronic device.
SEMICONDUCTOR DIE WITH STEPPED SIDE SURFACE
A semiconductor device includes a substrate and a semiconductor die including an active surface with bond pads, an opposite inactive surface, and stepped side surfaces extending between the active surface and the inactive surface. The stepped side surfaces include a first planar surface extending from the inactive surface towards the active surface, a second planar surface extending from the active surface towards the inactive surface, and a side surface offset between the first planar surface and the second planar surface. The semiconductor device further includes an adhesive layer covering at least a portion of a surface area of the second surface and attaching the semiconductor die to the substrate.