Alpha & Omega Semiconductor Profile

Alpha & Omega Semiconductor Patent Grants

Semiconductor device with thick bottom metal and preparation method thereof

Patent Number 9653383 - May 16, 2017

A semiconductor device with thick bottom metal comprises a semiconductor chip covered with a top plastic package layer at its front surface…

Semiconductor package with adhesive material pre-printed on the lead frame and chip, and its manufacturing method

Patent Number 9653424 - May 16, 2017

This invention discloses a semiconductor package with adhesive material pre-printed on the lead frame and chip, and the manufacturing method.…

Power semiconductor device with small contact footprint and the preparation method

Patent Number 9646920 - May 9, 2017

A power semiconductor package has a small footprint. A preparation method is used to fabricate the power semiconductor package. A first…

Manufacturing methods for accurately aligned and self-balanced superjunction devices

Patent Number 9647059 - May 9, 2017

This invention discloses a method for manufacturing a semiconductor power device on a semiconductor substrate supporting a drift region…

Closed cell configuration to increase channel density for sub-micron planar semiconductor power device

Patent Number 9647078 - May 9, 2017

A semiconductor power device supported on a semiconductor substrate that includes a plurality of transistor cells, each cell has a source and…

Alpha & Omega Semiconductor Patent Applications

TERMINATION DESIGN FOR HIGH VOLTAGE DEVICE

Application Number 20170148910 - May 25, 2017

The present disclosure describes a termination structure for a high voltage semiconductor transistor device. The termination structure is…

BATTERY PROTECTION PACKAGE AND PROCESS OF MAKING THE SAME

Application Number 20170098626 - April 6, 2017

The present invention discloses small-size battery protection packages and provides a process of fabricating small-size battery protection…

SYSTEM AND METHOD FOR EXTENDING THE MAXIMUM DUTY CYCLE OF A STEP-DOWN SWITCHING CONVERTER WITHOUT MAXIMUM DUTY CONTROL

Application Number 20170093281 - March 30, 2017

The invention proposes a system and method for extending the maximum duty cycle of a step-down switching converter to nearly 100% while…

ASSYMETRIC POLY GATE FOR OPTIMUM TERMINATION DESIGN IN TRENCH POWER MOSFETS

Application Number 20170069750 - March 9, 2017

A semiconductor device having a plurality of transistors includes a termination area that features a transistor with an asymmetric gate.

VOLTAGE DETECTION CIRCUIT AND A METHOD OF DETECTING VOLTAGE CHANGES

Application Number 20170059630 - March 2, 2017

A power conversion system and a method for voltage change detection, specifically, relates to a detection circuit implemented in the AC-DC…

Alpha & Omega Semiconductor Federal District Court Decisions

Third Dimension Semiconductor, Inc v. Alpha and Omega Semiconductor, Inc. et al

California Northern District Court - August 13, 2012

ORDER TERMINATING SEAN N. HSU AS COUNSEL. Signed by Judge Edward M. Chen on 8/13/12. (bpf, COURT STAFF) (Filed on 8/13/2012)

Third Dimension Semiconductor, Inc v. Alpha and Omega Semiconductor, Inc. et al

California Northern District Court - July 2, 2012

STANDING ORDER. Signed by Judge Edward M. Chen on 7/2/12. (bpf, COURT STAFF) (Filed on 7/2/2012)