Donald F Ball

Title: Innovations of Donald F. Ball in Controlled Spray Etching

Introduction

Donald F. Ball is an accomplished inventor based in State College, PA (US). He has made significant contributions to the field of controlled spray etching, particularly in the manufacturing of printed circuit boards. With a total of two patents to his name, Ball's work has advanced the efficiency and precision of etching processes.

Latest Patents

Donald F. Ball's latest patents include an "Apparatus for Controlled Spray Etching" and a "Method and Apparatus for Controlled Spray Etching." Both inventions focus on delivering a spray etchant to the upper and lower surfaces of panels, such as printed circuit boards, while controlling the amount of etchant applied. The innovative design allows for a reduced amount of etchant on the perimeter surface portions of the panel compared to the central surface portions. This is achieved by varying the pressure at different locations within the etching chamber. Additionally, sensors may be utilized to control the intermittent discharge of spray etchant, enhancing the precision of the etching process.

Career Highlights

Donald F. Ball is associated with Chemcut Corporation, where he has played a pivotal role in developing advanced etching technologies. His expertise in controlled spray etching has positioned him as a key figure in the industry, contributing to the evolution of manufacturing processes.

Collaborations

One of his notable coworkers is Karl F. Ketelhohn, with whom he has likely collaborated on various projects within Chemcut Corporation.

Conclusion

Donald F. Ball's innovations in controlled spray etching have significantly impacted the manufacturing of printed circuit boards. His patents reflect a commitment to enhancing efficiency and precision in etching processes.