Alpha & Omega Semiconductor Profile

Alpha & Omega Semiconductor Patent Grants

Wafer level chip scale package structure and manufacturing method thereof

Patent Number 10242926 - March 26, 2019

A wafer level chip scale package (WLCSP) structure and a manufacturing method are disclosed. The WLCSP structure comprises a semiconductor die…

Method for forming a lateral super-junction MOSFET device and termination structure

Patent Number 10243072 - March 26, 2019

A method for forming a lateral superjunction MOSFET device includes forming a semiconductor body including a lateral superjunction structure…

Multifunction three quarter bridge

Patent Number 10243449 - March 26, 2019

Some apparatus and associated methods relate to a buck-derived switched mode power supply with three-quarter bridge (TQB) formed with a bypass…

Self-stabilized constant on-time control

Patent Number 10243465 - March 26, 2019

Some apparatus and associated methods relate to a buck-derived switched mode power supply with constant on-time and configured to…

Over voltage protection for cascode switching power device

Patent Number 10243551 - March 26, 2019

Aspects of the present disclosure disclose a power semiconductor device coupled to a load operable to draw a load current comprising a power…

Alpha & Omega Semiconductor Patent Applications

MOLDED INTELLIGENT POWER MODULE AND METHOD OF MAKING THE SAME

Application Number 20190067175 - February 28, 2019

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

NOVEL PULSE TRANSFORMER

Application Number 20190051441 - February 14, 2019

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

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…

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)