Ranjith John Email & Phone Number

Cupertino, California, Us

Shipped Products iPhone 13, 14

Cupertino, California, Us

Cupertino, California, Us

Cupertino, California, Us

Midland, Michigan, Us

1. Developed material, process and integrated Temporary Bonding Adhesives with a 1-2 micron TTV for 300 mm Memory and Logic devices for 3D High Density Interconnects.2. Developing optical low loss material for high speed data transmission with focus on complete intergation in PCBs, Silicon Photonics and free standing applications.2. Developing game changing solutions for Thermo-mechanical stress in wafer level packaging of power electronic devices.3. Developing and qualifying material for fabrication of RDL for embedded-wafer level packaging.4. Thermal, electrical and mechanical characterization of wafer level dielectrics for advanced IC packaging.5. Developing IP portofolio in the area of Material development for Optical Interconnects and IC packaging.

Fayetteville, Ar, Us

1. Completed thermal models of single chip and muli-chip module (MCM) superconducting package for varying package parameters.2. Analyzed the significance of thermal conductivity of superconducting bumps with respect to carbon nanotube integrated epoxy.3. Experimentally determined the interfacial resistance between the passivation layer and underfill of a superconducting cryogenic package.4. Designed 2X2 superconducting (SC) MCMs and developed a process flow and fabricated the SC-MCMs.5. Developed protocols and tested the thermal and electrical performance of the SC-MCM's6. Optimized the purification process of carbon nanotubes and enhanced the thermal conductance of cryogenic adhesive by integrating carbon nanotubes.7. Actively involved in guiding students (MS/BS) with their research efforts. 8. Managed the ONR funded SC-MCM project by writing annual reports and presenting findings of research to the program manager.

Fayetteville, Ar, Us

1. Evaluated design of cryogenic test bed for thermal and electrical conductivity measurement of nanocomposites.2. Set-up cryogenic laboratory at Materials and Manufacturing Lab.3. Authored a book chapter on Nanoparticle based Integrated Passives for publication by Springer Publishing Company.

1. Developed understanding of Intellectual Property and analyzed various patents from different colleges and national research laboratories.2. Vetted technologies in the areas of energy, advanced materials and electronics.3. Coordinated the efforts of the interns involved in the program and established a streamline process for analyzing technologies.4. Presented technologies in the areas of energy, water purification, advanced materials and electronics to the students at the Business College.5. Visited Lawrence Livermore National Laboratory and examined their technologies to study feasibility for start-ups.6. Developed an understanding of the benefits and challenges involved in raising funding for the commercialization of technologies.

Education record

Phd, Microelectronics And Photonics