Mulk R Arora

Title: Innovations by Mulk R Arora

Introduction

Mulk R Arora is a notable inventor based in Williamstown, MA (US). He has made significant contributions to the field of aluminum electrolytic capacitors, holding a total of four patents. His work focuses on improving the mechanical properties of capacitor foils through innovative etching processes.

Latest Patents

One of his latest patents is for the DC Etching of aluminum electrolytic capacitor foil. This process involves passing the foil through an electrolyte bath containing 2.5 moles/liter of sodium chloride and 0.08 to 0.48 moles/liter of boric acid or 0.05 to 0.07 moles/liter of a citrate ion source. The etching occurs under the influence of direct current at a temperature of 90 to 95 degrees Celsius. The resulting foil has a central metallic core, which enhances its mechanical properties. Another significant patent is for the AC Etching of aluminum capacitor foil. This method utilizes AC current and an etchant bath comprising 0.8 to 1.5 M hydrochloric acid, 0.4 to 0.5 M aluminum chloride, 0.04 to 0.3 M nitric acid, and 0.05 to 0.2 M tartaric acid. The frequency of the alternating current is maintained between 12 to 20 Hz, with the bath temperature set at 30 to 40 degrees Celsius.

Career Highlights

Mulk R Arora is currently employed at Sprague Electric Company, where he continues to innovate in the field of capacitor technology. His work has been instrumental in advancing the performance and reliability of aluminum electrolytic capacitors.

Collaborations

Throughout his career, Mulk has collaborated with notable colleagues, including Edward J Paquette and Allan B McPherson. These collaborations have contributed to the development of his innovative patents and advancements in capacitor technology.

Conclusion

Mulk R Arora's contributions to the field of aluminum electrolytic capacitors through his innovative patents demonstrate his expertise and commitment to advancing technology. His work continues to impact the industry positively.