Ralph Dr. Stömmer

Component working with acoustic waves and having a matching network

Bulk acoustic wave resonator and circuit comprising same

Acoustic wave transducer with transverse mode suppression

Frequency-tunable resonator

Acoustic wave type resonator especially, for band-pass HF filters and mobile communication equipment, has selected material and thickness ratio adjusted for layer sequence of resonator

Mit akustischen Wellen arbeitender Wandler mit Unterdrückung transversaler Moden

Electrical component having overlapping electrodes, and method for the manufacture of same

Bulk acoustic wave filter e.g. for band-pass HF filters, has layered structure with capacitance connected in parallel or in series with resonator

Electrical component with overlapping electrodes especially for a thin film bulk acoustic wave resonator, has overlapping surfaces that are invariable on relative displacement

Frontendschaltung Front-end circuit