H01L23/4824

PROCESS OF FORMING SEMICONDUCTOR DEVICE HAVING INTERCONNECTION FORMED BY ELECTRO-PLATING

A process of forming a semiconductor device that includes an interconnection formed by electro-plating is disclosed. The process comprises steps of: forming a stopper layer on the first insulating film; covering the stopper layer and the first insulating film with a second insulating film; preparing a first mask having an edge that overlaps with the stopper layer; depositing a seed layer on the first mask and the second insulating film that is exposed from the first mask; preparing a second mask having an edge that overlaps with the stopper layer, the edge of the first mask retreating from the edge of the second mask; forming an upper layer on the seed layer by electro-plating a metal so as not to overlap with the first mask; and removing the seed layer exposed from the upper layer by etching.

Semiconductor devices having an electro-static discharge protection structure

A semiconductor device includes a substrate and a metallization layer. The substrate has an active region that includes opposite first and second edges. The metallization layer is disposed above the substrate, and includes a pair of metal lines and a metal plate. The metal lines extend from an outer periphery of the active region into the active region and toward the second edge of the active region. The metal plate interconnects the metal lines and at least a portion of which is disposed at the outer periphery of the active region.

Semiconductor device and manufacturing method for the same
09847409 · 2017-12-19 · ·

A semiconductor device provides an element arrangement region on a semiconductor substrate including: a first semiconductor region on the semiconductor substrate; a second semiconductor region on the first semiconductor region; multiple trench gates penetrating the first semiconductor region and reaching the second semiconductor region; a third semiconductor region contacting the trench gate; a fourth semiconductor region on a rear surface; a first electrode connected to the first and second semiconductor regions; and a second electrode connected to the fourth semiconductor region. Each trench gate includes a main trench gate for generating a channel and a dummy trench gate for improving a withstand voltage of a component. The device further includes: a dummy gate wiring for applying a predetermined voltage to the dummy trench gate; and a dummy pad connected to the dummy gate wiring. The dummy pad and the first electrode are connected by a conductive member.

FIELD-EFFECT TRANSISTOR, METHOD OF MANUFACTURING THE SAME, AND RADIO-FREQUENCY DEVICE
20220384349 · 2022-12-01 ·

There is provided a field-effect transistor including: a gate electrode; a semiconductor layer having a source region and a drain region with the gate electrode in between; contact plugs provided on the source region and the drain region; first metals stacked on the contact plugs; and a low-dielectric constant region provided in a region between the first metals along an in-plane direction of the semiconductor layer and provided at least in a first region below bottom surfaces of the first metals along a stacking direction.

CHIP PACKAGE STRUCTURE

A chip package structure is provided. The chip package structure includes a first substrate. The chip package structure includes a conductive via structure passing through the first substrate. The chip package structure includes a barrier layer over a surface of the first substrate. The chip package structure includes an insulating layer over the barrier layer. The chip package structure includes a conductive pad over the insulating layer and having a first portion and a second portion. The chip package structure includes a conductive bump over the second portion of the conductive pad. A third portion of the conductive pad is between the conductive bump and the conductive via structure from a top view of the conductive pad, the conductive bump, and the conductive via structure.

Device topology for lateral power transistors with low common source inductance
11515235 · 2022-11-29 · ·

Circuit-Under-Pad (CUP) device topologies for high-current lateral power switching devices are disclosed, in which the interconnect structure and pad placement are configured for reduced source and common source inductance. In an example topology for a power semiconductor device comprising a lateral GaN HEMT, the source bus runs across a centre of the active area, substantially centered between first and second extremities of source finger electrodes, with laterally extending tabs contacting the underlying source finger electrodes. The drain bus is spaced from the source bus and comprises laterally extending tabs contacting the underlying drain finger electrodes. The gate bus is centrally placed and runs adjacent the source bus. Preferably, the interconnect structure comprises a dedicated gate return bus to separate the gate drive loop from the power loop. Proposed CUP device structures provide for lower source and common source inductance and/or higher current carrying capability per unit device area.

Power MOSFET having improved manufacturability, low on-resistance and high breakdown voltage
09837529 · 2017-12-05 · ·

Stripe-shaped surface transistor structures of a power MOSFET are disposed over an array of parallel-extending P type Buried Stripe-Shaped Charge Compensation Regions (BSSCCRs). The power MOSFET has two and only two epitaxial semiconductor layers, and the BSSCCRs are disposed at the interface between these layers. Looping around the area occupied by these parallel-extending BSSCCRs is a P type ring-shaped BSSCCR. At the upper semiconductor surface are disposed three P type surface rings. The inner surface ring and outer surface ring are coupled together by a bridging metal member, but the center surface ring is floating. The bridging metal member is disposed at least in part over the ring-shaped BSSCCR. The MOSFET has a high breakdown voltage, a low R.sub.DS(ON), and is acceptable and suitable for manufacture at semiconductor fabrication plants that cannot or typically do not make superjunction MOSFETs.

LED MODULE
20170345800 · 2017-11-30 ·

An LED module includes: a substrate having a main surface and a back surface which face in opposite directions from each other in a thickness direction; a first LED chip including a first electrode pad bonded to a surface facing the same direction as the main surface; a first wire having one end bonded to the first electrode pad; and a wiring pattern having a main surface electrode formed in the main surface, wherein the main surface electrode includes a first die pad portion which supports the first LED chip, and when viewed from the thickness direction, the first die pad portion includes a main pad portion to which the first LED chip is bonded and an auxiliary pad portion which protrudes from the main pad portion in a direction toward a position of the first electrode pad from the center position in the first LED chip.

SEMICONDUCTOR DEVICE
20170345814 · 2017-11-30 ·

According to one embodiment, an electrostatic discharge semiconductor device includes one or more wiring layers first disposed over a substrate, including: a wiring electrically connected at a first connecting point of a pad, a second wiring electrically connected at a second connecting point of a ground wiring, and a third wiring electrically connected at a third connecting point of the ground wiring; a first transistor formed in the substrate comprising a first diffusion region electrically connected to the first wiring, a second diffusion region electrically connected to the second wiring, and a gate electrically connected to the ground wiring; and a second transistor formed in the substrate comprising the first diffusion region electrically connected to the first wiring, a third diffusion region electrically connected to the third wiring, and a gate electrically connected to the ground wiring, wherein, a first resistance value of a first current pathway leading from the first connecting point to the second connecting point via the first transistor is different from a second resistance value of a second current pathway leading from the first connecting point to the third connecting point via the second transistor.

Electrical connectivity of die to a host substrate

According to example configurations herein, an apparatus comprises a die and a host substrate. The die can include a first transistor and a second transistor. A surface of the die includes multiple conductive elements disposed thereon. The multiple conductive elements on the surface are electrically coupled to respective nodes of the first transistor and the second transistor. Prior to assembly, the first transistor and second transistor are electrically isolated from each other. During assembly, the surface of the die including the respective conductive elements is mounted on a facing of the host substrate. Accordingly, a die including multiple independent transistors can be flipped and mounted to a respective host substrate such as printed circuit board, lead frame, etc.