Company Filing History:
2 out of 47 
1 out of 32 Years Active: 1976-1994
Title: The Innovations of Inventor Fritz Wald
Introduction
Fritz Wald is a notable inventor based in Wayland, MA (US), recognized for his contributions to solar energy technology. With a total of 3 patents, Wald has made significant advancements in the field of solar cells, enhancing their efficiency and design.
Latest Patents
Wald's latest patents include an innovative solar cell and a method of making the same. This improved solar cell features a semiconductor substrate with a shallow p-n junction adjacent to its front surface. It includes a rear electrode affixed in adherent mechanical and electrical contact with the rear surface of the semiconductor substrate. The front generally grid-shaped electrode consists of an array of narrow, elongate, parallel fingers and at least one bus bar extending at right angles to the fingers. The improvement in this design involves the removal of the bus bar portion from intimate mechanical and electrical contact with the front surface of the semiconductor substrate. This enhancement increases the open circuit voltage and efficiency of the solar cell, while also allowing for cost advantages and design flexibility.
Another significant patent pertains to the control of the atmosphere surrounding the crystal growth zone. This invention involves enveloping the liquid/solid interface with a mixture of an inert gas and a carbon-containing gas, which may include compounds such as CO or CO₂. The introduction of oxygen gas to the growth zone further optimizes the process of growing silicon bodies from a melt.
Career Highlights
Throughout his career, Fritz Wald has worked with prominent companies in the solar energy sector, including Mobil Solar Energy Corporation and Mobil Tyco Solar Energy Corporation. His work has contributed to the advancement of solar technology and its applications in renewable energy.
Collaborations
Wald has collaborated with notable individuals in the field, including Jacob Murad and Juris P Kalejs. These partnerships have fostered innovation and development in solar energy solutions.
Conclusion
Fritz Wald's contributions to solar energy technology through his patents and collaborations have significantly impacted the industry. His innovative approaches continue to pave the way for advancements in solar cell efficiency and design.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.