Alpha & Omega Semiconductor Profile

Alpha & Omega Semiconductor Patent Grants

Molded intelligent power module

Patent Number 10177080 - January 8, 2019

An intelligent power module (IPM) has a first, second, third and fourth die paddles, a first, second, third, fourth, fifth and sixth…

Integrated Schottky diode in high voltage semiconductor device

Patent Number 10177221 - January 8, 2019

This invention discloses a method for manufacturing a semiconductor power device in a semiconductor substrate comprises an active cell area…

Reverse conducting IGBT incorporating epitaxial layer field stop zone and fabrication method

Patent Number 10170559 - January 1, 2019

An RC-IGBT includes a semiconductor body formed having a base region incorporating a field stop zone where the base region and the field stop…

Gallium nitride semiconductor device with improved termination scheme

Patent Number 10170563 - January 1, 2019

This invention discloses a gallium nitride based semiconductor power device disposed in a semiconductor substrate. The power device comprises…

Pulse transformer

Patent Number 10157702 - December 18, 2018

A voltage converter comprises a second controller as a power switch of the secondary side of the transformer for comparing a detection voltage…

Alpha & Omega Semiconductor Patent Applications

MOLDED INTELLIGENT POWER MODULE FOR MOTORS

Application Number 20190006270 - January 3, 2019

An intelligent power module (IPM) has a first, second, third and fourth die supporting elements, a first, second, third, fourth, fifth and…

METHOD FOR PRECISELY ALIGNING BACKSIDE PATTERN TO FRONTSIDE PATTERN OF A SEMICONDUCTOR WAFER

Application Number 20190006285 - January 3, 2019

A method comprises the steps of providing a semiconductor device wafer; forming a first plurality of alignment marks on a first side of the…

TRENCH MOSFET DEVICE AND THE PREPARATION METHOD THEREOF

Application Number 20180323155 - November 8, 2018

A trench-type metal-oxide-semiconductor field-effect transistor (MOSFET) device and a fabrication method are disclosed. A semiconductor…

POWER DEVICE WITH HIGH ASPECT RATIO TRENCH CONTACTS AND SUBMICRON PITCHES BETWEEN TRENCHES

Application Number 20180323282 - November 8, 2018

This invention discloses a semiconductor power device disposed in a semiconductor substrate including an active cell areas and a termination…

SEMICONDUCTOR POWER DEVICES MANUFACTURED WITH SELF-ALIGNED PROCESSES AND MORE RELIABLE ELECTRICAL CONTACTS

Application Number 20180269293 - September 20, 2018

This invention discloses semiconductor power device that includes a plurality of top electrical terminals disposed near a top surface of a…

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)