Aldona Jagminiene

Title: Aldona Jagminiene: Innovator in Selective Metallization Techniques

Introduction

Aldona Jagminiene is a prominent inventor based in Vilnius, Lithuania, known for her significant contributions to the field of selective metallization. With a total of nine patents to her name, she has developed innovative methods that enhance the production of electro-conductive materials.

Latest Patents

One of her latest patents is a "Method for selective metallisation of inorganic dielectrics or semiconductors." This invention describes a process for selectively depositing metal on the surfaces of inorganic dielectric materials such as glass, ceramics, or semiconductor materials. The method enables the rapid and precise formation of electric circuits on both flat and three-dimensional surfaces. The production method includes several steps: firstly, treatment of an item surface with an ultrashort pulse laser for the areas designated for metallisation, followed by pre-treatment with an R—OH solution, and then metal salt catalyst activation in a bath. Finally, electroless metal plating is performed. During immersion in the metal salt catalyst activation bath, localized R—OH molecules on the item's surface act as reducing agents, facilitating the reduction of metal ions from the activation bath. This results in the formation of catalytic seeds exclusively at the laser-modified areas, ensuring high adhesion of the metal layers to the dielectric surface due to the formation of chemical bonds.

Another notable patent is the "Method for formation of electro-conductive traces on polymeric article surface." This invention relates to the production of electro-conductive traces on the surface of polymeric articles using laser excitation for the areas to be metallised. The process involves activating the laser-treated areas with a metal salt solution, rinsing the article in distilled water, and subsequently metallising the activated areas in a chemical plating bath. The aims of this invention are to produce cost-effective conductive traces for application in 3D moulded interconnect devices and to improve the quality of the circuit traces by enhancing the selective metallization process. The irradiation dose and scanning parameters for surface excitation are chosen experimentally to ensure that any surface degradation of the polymer is avoided.

Career Highlights

Aldona has worked with notable companies such as Lam Research Corporation and the State Research Institute of Physics and Technology. Her experience in these organizations has contributed to her expertise in the field of metallization and materials science.

Collaborations

Some of her coworkers