Alpha & Omega Semiconductor Profile

Alpha & Omega Semiconductor Patent Grants

Semiconductor device employing trenches for active gate and isolation

Patent Number 9595517 - March 14, 2017

A semiconductor device includes a semiconductor layer of a first conductivity type formed on a substrate; a first trench formed in the…

Split poly connection via through-poly-contact (TPC) in split-gate based power MOSFETs

Patent Number 9595587 - March 14, 2017

Embodiments of the present disclosure provide a contact structure in a split-gate trench transistor device for electrically connecting the top…

Semiconductor device including superjunction structure formed using angled implant process

Patent Number 9595609 - March 14, 2017

A semiconductor device includes a superjunction structure formed using simultaneous N and P angled implants into the sidewall of a trench. The…

Transient voltage suppressor (TVS) with reduced breakdown voltage

Patent Number 9583586 - February 28, 2017

A low capacitance transient voltage suppressor with snapback control and a reduced voltage punch-through breakdown mode includes an n+ type…

Termination design for high voltage device

Patent Number 9577072 - February 21, 2017

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

Alpha & Omega Semiconductor Patent Applications

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…

FLYBACK CONVERTER OUTPUT CURRENT EVALUATION CIRCUIT AND EVALUATION METHOD

Application Number 20170047853 - February 16, 2017

An output current calculating circuit for a flyback converter operating under CCM and DCM is disclosed. The off current value IOFF and the…

BATTERY PROTECTION PACKAGE AND PROCESS OF MAKING THE SAME

Application Number 20170033060 - February 2, 2017

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

METHOD AND STRUCTURE FOR WAFER LEVEL PACKAGING WITH LARGE CONTACT AREA

Application Number 20170025356 - January 26, 2017

A method to provide a wafer level package with increasing contact pad area comprising the steps of forming a first packaging layer on wafer…

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)