Company Filing History:
Years Active: 2017-2025
Title: Jerry Chang: Innovator in Inkjet Printing Technology
Introduction
Jerry Chang is a prominent inventor based in Cupertino, California, known for his contributions to inkjet printing technology. With a total of six patents to his name, Chang has made significant advancements in the field, particularly in droplet measurement and substrate positioning.
Latest Patents
One of Jerry Chang's latest patents is focused on droplet measurement using a strobed LED source. This invention describes methods and apparatus for measuring droplets dispensed from a printhead of an inkjet printer onto a substrate. The inkjet printer includes a printhead assembly with an imaging system that comprises a camera and a strobed LED source. The deposition unit is designed to position a substrate to receive droplets dispensed from the printhead while imaging the droplets using the imaging system and the strobed LED source. The methods involve dispensing droplets of liquid from the printhead onto a substrate, positioning the substrate with respect to the imaging system, and imaging the droplets by scanning the substrate and the imaging system while strobing the LED light source.
Another notable patent by Chang is related to substrate positioning for a deposition machine. This deposition device features a substrate support and a laser imaging system that images a portion of a substrate positioned on the support. The laser imaging system includes a laser source and an imaging unit, which are coupled to a deposition assembly across the substrate support.
Career Highlights
Throughout his career, Jerry Chang has worked with several notable companies, including Kateeva, Inc. and Coherent, Inc. His experience in these organizations has allowed him to refine his skills and contribute to innovative projects in the field of printing technology.
Collaborations
Jerry Chang has collaborated with talented individuals such as Matt Audet and Karl Mathia, further enhancing his work and contributions to the industry.
Conclusion
Jerry Chang's innovative work in inkjet printing technology has led to significant advancements in droplet measurement and substrate positioning. His contributions continue to influence the field and inspire future innovations.