Company Filing History:
3 out of 1,288 
1 out of 233 
Years Active: 2009-2011
Title: The Innovative Contributions of Hans Dropmann
Introduction
Hans Dropmann is a notable inventor based in Emerald Hills, California. He has made significant contributions to the field of technology, particularly in the area of semiconductor devices. With a total of 4 patents to his name, Dropmann's work has had a considerable impact on the industry.
Latest Patents
One of his latest patents is for a bonded wafer package module. This innovation involves bonded wafer packages that consist of first and second wafers bonded together, forming a matrix of sealed devices. At least one of the wafers has a plurality of passive devices formed thereon, including at least one BAW resonator within each of the sealed devices. The first wafer features conductor-filled through-holes that create electrical connections between the passive devices and connections accessible from outside the sealed devices. The bonded wafers can be diced to form individual sealed devices, which may include duplexers, interstage filters, or other circuits such as VCOs and RF circuits. Various embodiments of this technology are disclosed.
Another significant patent by Dropmann focuses on harmonic termination of power amplifiers using BAW filter output matching circuits. This system, apparatus, and method provide filtering functionality and impedance transformation within a BAW resonator network. The design aims to offer bandpass capability and a transformation between input and output impedance. By integrating impedance matching functionality within the BAW resonator network, the need for discrete impedance matching elements can be reduced or eliminated. This innovation leads to decreased costs, insertion losses, and board size contributions, ultimately improving the efficiency of power amplifiers.
Career Highlights
Throughout his career, Hans Dropmann has worked with prominent companies in the technology sector, including Maxim Integrated Products, Inc. and Triquint Semiconductor Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in semiconductor technology.
Collaborations
Dropmann has collaborated with several talented individuals in his field, including Carlton Stuebing and Walid Y Ali-Ahmad. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Hans Dropmann's contributions to the field of technology through his patents and collaborations highlight his role as a significant inventor. His work continues to influence advancements in semiconductor devices and power amplification systems.