Location History:
- Richland, WA (US) (1998)
- Troutdale, OR (US) (1999 - 2005)
- White Salmon, WA (US) (2001 - 2009)
- Tracy, CA (US) (2017 - 2018)
- Mountain House, CA (US) (2014 - 2023)
Company Filing History:
16 out of 3,777 
2 out of 34 
1 out of 832,843 Years Active: 1998-2025
Title: Celebrating the Innovations of Alan John Jensen in Semiconductor Technology
Introduction: Alan John Jensen, an accomplished inventor based in White Salmon, WA, is recognized for his significant contributions to semiconductor device manufacturing. With an impressive portfolio of 18 patents, his work focuses primarily on enhancing processes that involve tin oxide films, playing a crucial role in the advancement of semiconductor technology.
Latest Patents: Among Alan's notable patents is the innovative "Alternating etch and passivation process." This method involves utilizing tin oxide films as spacers and hardmasks in semiconductor device manufacturing. The process allows for selective etching of the tin oxide layer while minimizing damage to underlying silicon-containing layers such as SiOC, SiON, SiONC, amorphous silicon, SiC, or SiN. By alternating between passivation of the silicon layer and etching of the tin oxide, this patented method can be repeated between 2-50 times. Passivation is achieved by treating the substrate with an oxygen-containing reactant activated in plasma, while the etching process employs a chlorine-based chemistry, such as a mixture of Cl and BCl.
Career Highlights: Alan has had a distinguished career working with renowned organizations such as Lam Research Corporation and Ontrak Systems, Inc. His innovative approaches and technical expertise have propelled advancements in semiconductor manufacturing processes, solidifying his reputation in the field.
Collaborations: Throughout his career, Alan has collaborated with notable professionals, including Brian Scott Thornton and Peter Renteln. These partnerships have been essential in the exchange of ideas and the development of cutting-edge technologies.
Conclusion: Alan John Jensen's substantial contributions to semiconductor technology highlight the vital role of inventors in shaping modern industries. His work, particularly in the development of the alternating etch and passivation process, exemplifies innovation in action. As the field of semiconductor manufacturing continues to evolve, the impact of his patents and collaborations will undoubtedly inspire future advancements.