Inventor

JOSEPH ALVIN J

US121 patents

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

JOSEPH ALVIN J

IBM

Semiconductor structure with airgap

SOI radio frequency switch with enhanced signal fidelity and electrical isolation

Structure and method for performance improvement in vertical bipolar transistors

Bipolar transistor having raised extrinsic base with selectable self-alignment and methods of forming same

BICMOS technology on SIMOX wafers

Low harmonic RF switch in SOI

Bipolar transistor structure with self-aligned raised extrinsic base and methods

Bipolar transistor structure with self-aligned raised extrinsic base and methods

Self-aligned raised extrinsic base bipolar transistor structure and method

Optimized blocking impurity placement for SiGe HBTs

Semiconductor structure with airgap

Semiconductor structure with airgap

Method, structure, and design structure for a through-silicon-via Wilkinson power divider

Bipolar junction transistors with a link region connecting the intrinsic and extrinsic bases

High performance collector-up bipolar transistor

Method to build self-aligned NPN in advanced BiCMOS technology

BiCMOS devices with a self-aligned emitter and methods of fabricating such BiCMOS devices

Semiconductor ground shield method

Semiconductor structure and method of manufacture

Bipolar transistor having raised extrinsic base with selectable self-alignment and methods of forming same

Method of collector formation in BiCMOS technology

Silicon dioxide removing method

Integrated circuit structure, design structure, and method having improved isolation and harmonics

Integrated circuit structure, design structure, and method having improved isolation and harmonics

Multiple chip guard rings for integrated circuit and chip guard ring interconnect

Method to build self-aligned NPN in advanced BiCMOS technology

Method of base formation in a BiCMOS process

Semiconductor structure with airgap

Semiconductor structure with airgap

Semiconductor structure with airgap

Silicon-on-insulator heat sink

Silicon-on-insulator heat sink

High resistivity silicon-on-insulator substrate and method of forming

High linearity SOI wafer for low-distortion circuit applications

BOTULA ALAN B

Low harmonic RF switch in SOI

Method, apparatus, and design structure for silicon-on-insulator high-bandwidth circuitry with reduced charge layer

SOI radio frequency switch with enhanced electrical isolation

High resistivity silicon-on-insulator substrate and method of forming

Silicon-on-insulator (SOI) structure configured for reduced harmonics, design structure and method

Forming structures on resistive substrates

GLOBALFOUNDRIES INC

Air gap over transistor gate and related method

Air gap over transistor gate and related method

Self-aligned emitter-base bipolar junction transistor with reduced base resistance and base-collector capacitance

Compact device structures for a bipolar junction transistor

Silicon waveguide on bulk silicon substrate and methods of forming

CAMILLO-CASTILLO RENATA

Bipolar junction transistors with a link region connecting the intrinsic and extrinsic bases

Transistor structure with a sidewall-defined intrinsic base to extrinsic base link-up region and method of forming the structure

GLOBALFOUNDRIES US INC

Photodetector with buried airgap reflectors

Photodetector with buried airgap reflectors

ADKISSON JAMES W

Passivated through wafer vias in low-doped semiconductor substrates