Marina Kravchik

Title: Marina Kravchik: Innovator in Dielectric Ceramic Composition

Introduction

Marina Kravchik is a notable inventor based in Haifa, Israel. She has made significant contributions to the field of dielectric materials, particularly in the development of formulations for UHF antennas. Her innovative work has led to the creation of a unique ceramic dielectric composition that enhances antenna performance.

Latest Patents

Marina holds a patent for a ceramic dielectric formulation designed for broad band UHF antennas. This dielectric ceramic composition boasts a dielectric constant, K, of at least 200 and a dielectric loss, DF, of 0.0006 or less at 1 MHz. The formulation can be produced by sintering in air without the need for a controlled atmosphere. The major component of the composition consists of 92.49 to 97.5 wt. % materials, including strontium titanate, calcium titanate, and barium titanate. Additionally, it contains a minor component of 2.50 to 7.51 wt. %, which includes calcium zirconate, bismuth trioxide, zirconia, manganese dioxide, zinc oxide, lead-free glass frit, kaolin clay, and cerium oxide. This innovative dielectric ceramic composition is applicable in UHF antennas and monolithic ceramic components.

Career Highlights

Marina is currently employed at Vishay Intertechnology, Inc., where she continues to advance her research in dielectric materials. Her work has been instrumental in enhancing the performance of electronic components through innovative material formulations.

Collaborations

Throughout her career, Marina has collaborated with esteemed colleagues such as Eli Bershadsky and Reuven Katraro. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Marina Kravchik's contributions to the field of dielectric ceramics exemplify her commitment to innovation and excellence. Her patented work on ceramic dielectric formulations for UHF antennas showcases her expertise and dedication to advancing technology.