This inventor holds 5 USPTO granted patents. Top assignees: Globalfoundries Inc., International Business Machines Corporation. Active years: 1996-2021.
Company Filing History:
3 out of 5,671 
2 out of 166,264 
Years Active: 1996-2021
Title: John S Ferrario: Innovator in Optical and RF Testing Technologies
Introduction
John S Ferrario is a notable inventor based in Waterbury, Vermont, with a focus on optical and radio frequency (RF) testing technologies. He holds a total of 5 patents, showcasing his contributions to the field of engineering and technology.
Latest Patents
Ferrario's latest patents include innovative solutions such as "Optical on-wafer probing with v-groove couplers." This patent describes a probe device designed to insert optical fiber probes directly into a v-groove coupler on an optical integrated circuit (IC) device. The device features a probe holder with a slot for a fiber holder, which is designed to arrange optical fiber probes to extend into the v-grooves of the coupler. Additionally, the device incorporates an alignment mechanism that allows the fiber holder to self-align in response to contact with the v-groove coupler.
Another significant patent is for "High power radio frequency (RF) in-line wafer testing." This approach outlines a method for generating an RF test signal and applying it to a device under test (DUT) on a wafer using a buckling beam probe set. The method includes detecting an output RF signal from the DUT and sensing frequency components of the detected signal, enhancing the efficiency of wafer testing.
Career Highlights
Throughout his career, John S Ferrario has worked with prominent companies such as GlobalFoundries Inc. and International Business Machines Corporation (IBM). His experience in these organizations has contributed to his expertise in optical and RF technologies.
Collaborations
Ferrario has collaborated with notable colleagues, including Hanyi Ding and Barton E Green, further enriching his professional journey and contributions to the field.
Conclusion
John S Ferrario's innovative work in optical and RF testing technologies has made a significant impact in the engineering sector. His patents reflect a commitment to advancing technology and improving testing methodologies.