Inventors with similar research interests:
Location History:
- Albuquerque, NM (US) (1988)
- both Palo Alto, CA (US) (1990)
- Palo Alto, CA (US) (1976 - 1993)
Company Filing History:
Years Active: 1976-1993
Areas of Expertise:
Title: Innovator Spotlight: William Streifer
Introduction: William Streifer, based in Palo Alto, CA, is a prolific inventor recognized for his significant contributions to semiconductor laser technology. With an impressive portfolio of 65 patents, Streifer has developed innovative methods that enhance the functionality and efficiency of semiconductor lasers.
Latest Patents: One of Streifer's latest patents is a method of forming current barriers in semiconductor lasers. This involves using implantation to create a semiconductor laser or laser array equipped with current blocking implants. The process entails forming a laser structure comprising layers of a first conductivity type, an active region, and layers of a second conductivity type. In the first embodiment, impurity ions of the second conductivity type are implanted into selected regions of a first conductivity type layer, resulting in current blocking buried regions with confining channels. The laser structure is then subjected to thermal annealing. In the second embodiment, a disorder inducing impurity, potentially a saturable absorber, is diffused into the layers, converting sections into a second conductivity type while maintaining a center undiffused region for efficient current confinement. This innovative approach also includes creating a laser array with individually addressable conductive contacts, wherein ion bombardment is utilized to form insulative surface regions to isolate adjacent contacts.
Career Highlights: Throughout his career, William Streifer has made impactful strides in the field of optics and laser technology. He has held prominent roles in esteemed companies such as Xerox Corporation and Spectra Diode Laboratories, Inc., where he refined his expertise in semiconductor devices.
Collaborations: Streifer has collaborated with notable industry professionals, including Donald R. Scifres and Robert D. Burnham. These partnerships have further propelled innovation in his projects and have contributed to the advancement of semiconductor technology.
Conclusion: William Streifer stands out not only for his extensive number of patents but also for his dedication to enhancing semiconductor laser technology through innovative methods. His work continues to influence the field significantly, making him a key figure among contemporary inventors in the realm of optics.