Introduction: Johann Kammermaier is an influential inventor based in Unterhaching, Germany. With a remarkable portfolio of 14 patents, he has significantly contributed to the fields of semiconductor technology and materials science. His inventions reflect a commitment to advancing technologies that underlie modern electronic systems.

Latest Patents: Among his latest innovations are two notable patents. The first pertains to a photocell utilizing gallium arsenide or indium phosphide. This invention incorporates a layer of amorphous, hydrogenous carbon (a-C:H) with a thickness of less than or equal to 0.1 µm, demonstrating a specific electrical resistance of greater than or equal to 10^6 Ω.cm. The second patent centers on a Metal Insulator Semiconductor Field-Effect Transistor (MISFET). This device features an insulating layer of amorphous, hydrogenated carbon (a-C:H), with a thickness of up to 1 µm and a resistivity greater than or equal to 10^6 Ω·cm at the boundary surface to a semiconductor substrate, which is made from materials other than silicon.

Career Highlights: Johann Kammermaier has dedicated his career to Siemens Aktiengesellschaft, a global leader in technology and engineering. His work at the company has allowed him to explore innovative solutions that address the emerging challenges in semiconductor applications. His contributions have positioned him as a pivotal figure in the realm of modern electronics.

Collaborations: Throughout his career, Kammermaier has collaborated with esteemed colleagues such as Siegfried Birkle and Gerhard Rittmayer. These partnerships have fostered a collaborative environment that encourages innovation and the development of groundbreaking technologies.

Conclusion: Johann Kammermaier's inventive journey exemplifies the spirit of innovation present in the field of electronics. With his impressive portfolio of patents and collaboration with other experts, he continues to make substantial contributions to the advancement of technology, shaping the future of semiconductor devices and furthering scientific knowledge.

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