This inventor holds 14 USPTO granted patents. Top assignees: Arch Development Corporation, Electron Beam Memories, Orchid One Corporation. Active years: 1978-2002.
Location History:
- Palos Park, IL (US) (1978 - 1996)
- Dune Acres, IN (US) (2000 - 2002)
Company Filing History:
4 out of 349 
3 out of 4 
3 out of 3 
Years Active: 1978-2002
Title: Innovations of Albert V Crewe: A Pioneer in Magnetic Lens Technologies
Introduction
Albert V Crewe, based in Palos Park, Illinois, is a prominent inventor known for his significant contributions in the field of electron microscopy and lithography. With an impressive portfolio of 14 patents, Crewe has made remarkable strides in developing technologies that advance high-resolution imaging.
Latest Patents
One of Crewe's latest inventions is the "Magnetic lens apparatus for use in high-resolution scanning electron microscopes and lithographic processes." This patent details an innovative lens apparatus that focuses a beam of charged particles using a magnetic field, which is situated behind the target position. The invention is particularly notable for its capability to enhance the resolution of scanning electron microscopes, utilizing an accelerating voltage ranging from about 10 to about 30,000 volts. The apparatus consists of an electrically conducting coil around the beam's axis and a magnetic pole piece extending along the axis within the coil's space. Additional embodiments include magnetic dipoles and virtual magnetic monopoles made from various materials such as permanent magnets and superconducting coils. Crewe's advancement also encompasses multiple-array lens apparatus for simultaneous imaging on multiple specimens, showcasing a blend of innovation and practicality in focusing charged particle beams for lithographic processes.
Career Highlights
Throughout his career, Crewe has worked with notable companies that emphasize research and development within the field. His experience includes roles at Arch Development Corporation and Electron Beam Memories, where he contributed to pioneering efforts in electron beam technologies and applications.
Collaborations
During his innovative journey, Crewe collaborated with skilled professionals such as David A. Kopf and Norman W. Parker. These partnerships have played a crucial role in enhancing his research, leading to significant advancements in microscopy and imaging techniques.
Conclusion
Albert V Crewe is recognized as a transformative figure in the realm of magnetic lenses and electron optics. With a noteworthy portfolio of patents and collaborations, his work continues to influence the fields of microscopy and lithography, paving the way for future innovations that drive scientific discovery and technological advancement.