Page 139 - PCMI Journal December 2020

Dry Film Resist Control Topics in Photo Chemical Milling Processes Presented by: Sean Hill, Project Manager | Eternal Technology Corporation, US
Sean Hill is the Product Manager for the Eternal Technology Corporation in Rich- mond Virginia and is based out of the Southern California area.
He started working for the Eternal Technology Corporation in 2014.
In 1988, Sean started working in the printed circuit industry at Westak North as the imaging supervisor. He was tasked with converting the company from a liquid screening process to a dry film process.
In 1992, Sean left Westak for a process engineering position at Circuit Services in Bellevue, WA.
In 1997, Sean joined Circuit Image Systems in Southern California, based out of Washington State. He was a sales and service engineer for the DuPont electronics materials product line, specializing in the DuPont Riston dry film resist. He moved to the Bay Area in 2000 while working for Circuit Image systems. In 2003, Sean left Circuit Image Systems to become the Engineering Manager at TechniTron in Mountain View, CA. TechniTron specialized in manufacturing printed circuit boards for the test and burn-in industry for CPU and memory man- ufactures.
In 2008, Sean became a Technical Account Manager for Atotech USA. Atotech is a chemical and imaging suppli- er for the printed circuit board, general metal finishing and wafer industries. In 2013, Sean Hill accepted a one- year contract for the position of Chief Technology officer at INB Corporation in South Korea. INB is a high-tech automated test equipment and burn-in circuit board manufacturer.
Sean Hill has held many technical positions both inside and outside of the printed circuit board industry. He has also serviced the Chemical milling industry for many years. Sean has held such positions as, Supervisor, General Manager, Director of Engineering, Technical Account Manager and Chief Technology Officer.
Issue 136 December 2020 PCMI Journal 139