Inventor

CHOY JOHN

US54 patents

⚠️ This page may combine multiple inventors who share the name “CHOY JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHOY JOHN

AVAGO TECHNOLOGIES GENERAL IP

Film bulk acoustic resonator (FBAR) devices with temperature compensation

Solidly mounted acoustic resonator having multiple lateral features

Acoustic resonator having collar structure

Bulk acoustic wave (BAW) resonator structure having an electrode with a cantilevered portion and a piezoelectric layer with multiple dopants

Bulk acoustic wave resonator having piezoelectric layer with multiple dopants

Bulk acoustic wave resonator having doped piezoelectric layer with improved piezoelectric characteristics

Acoustic resonator device with at least one air-ring and frame

Bulk acoustic wave resonator with piezoelectric layer comprising lithium niobate or lithium tantalate

Acoustic resonator comprising acoustic redistribution layers and lateral features

Bulk acoustic wave resonator having piezoelectric layer with varying amounts of dopant

Acoustic resonator device with structures having different apodized shapes

Acoustic resonator structure having an electrode with a cantilevered portion

Acoustic resonator comprising collar and acoustic reflector with temperature compensating layer

Acoustic resonator comprising collar and frame

Acoustic resonator having temperature compensation

Bulk acoustic wave resonator having doped piezoelectric layer

Accoustic resonator having integrated lateral feature and temperature compensation feature

Accoustic resonator having composite electrodes with integrated lateral features

Acoustic resonator having guard ring

Acoustic resonator comprising collar, frame and perimeter distributed bragg reflector

Bulk acoustic wave resonator device comprising a bridge in an acoustic reflector

Packaged resonator with polymeric air cavity package

Acoustic resonator comprising aluminum scandium nitride and temperature compensation feature

Bulk acoustic wave resonators having doped piezoelectric material and frame elements

Bulk acoustic wave (BAW) resonator structure having an electrode with a cantilevered portion and a piezoelectric layer with varying amounts of dopant

Acoustic resonator device with air-ring and temperature compensating layer

Acoustic resonator structure having an electrode with a cantilevered portion

Acoustic resonator including monolithic piezoelectric layer having opposite polarities

Acoustic resonator comprising integrated structures for improved performance

Acoustic resonator comprising temperature compensating layer and perimeter distributed bragg reflector

AVAGO TECH INT SALES PTE LID

Bulk acoustic wave resonator

Temperature compensated acoustic resonator device having thin seed interlayer

Acoustic resonator having integrated lateral feature and temperature compensation feature

Bulk acoustic wave resonator with piezoelectric layer comprising lithium niobate or lithium tantalate

Acoustic resonator structure having an electrode with a cantilevered portion

AVAGO TECHNOLOGIES WIRELESS IP

Transducer devices having different frequencies based on layer thicknesses and method of fabricating the same

Electrostatic bonding of a die substrate to a package substrate

CHOY JOHN

Acoustic resonator structure having an electrode with a cantilevered portion

Acoustic resonator structure comprising a bridge

MARTIN DAVID

Micromachined horn

Temperature control of micromachined transducers

FENG CHRIS

Film bulk acoustic resonator with multi-layers of different piezoelectric materials and method of making

Solid mount bulk acoustic wave resonator structure comprising a bridge

BURAK DARIUSZ

Film bulk acoustic resonator comprising a bridge

Planarized electrode for improved performance in bulk acoustic resonators

GRANNEN KEVIN J

Method of forming acoustic resonator using intervening seed layer

Method of manufacturing an electrical resonator

AGILENT TECHNOLOGIES INC

Temperature compensation of film bulk acoustic resonator devices

GRANNEN KEVIN

Polarity determining seed layer and method of fabricating piezoelectric materials with specific C-axis

PHILLIBER JOEL

Microcap acoustic transducer device