Company Filing History:
Years Active: 1976-1981
Title: Innovations by Walter Thomas Novak
Introduction
Walter Thomas Novak is a notable inventor based in San Jose, California. He has made significant contributions to the field of technology, particularly in the areas of lamp holders and semiconductor wafer positioning. With a total of two patents to his name, Novak's work showcases his innovative spirit and technical expertise.
Latest Patents
One of Novak's latest patents is a "Lamp holder for projection aligner." This invention features a lamp holder that compensates for thermally induced expansion of an arcuate lamp. Each end of the lamp is secured to a relatively flexible lamp support, allowing for movement in different planes to accommodate thermal expansion during operation. The design includes a lamp holder base with locator pin apertures that ensure accurate positioning of the lamp with respect to an optical system. Additionally, forced fluid cooling is provided through the lamp holder housing.
Another significant patent by Novak is the "Method of positioning a semiconductor wafer for contact printing." This invention involves a non-planar semiconductor wafer chuck with channels and vacuum/pressure ports. The design allows for atmospheric pressure and vacuum to create pressure differentials that position the wafer accurately against a photomask. This innovative method enhances the efficiency of the contact printing process.
Career Highlights
Walter Thomas Novak is currently associated with Computervision Corporation, where he continues to develop and refine his inventions. His work has had a lasting impact on the technology sector, particularly in the fields of optics and semiconductor manufacturing.
Collaborations
Novak has collaborated with various professionals in his field, including his coworker Magnus B. Hansen. Their combined expertise has contributed to the advancement of innovative technologies.
Conclusion
Walter Thomas Novak's contributions to technology through his patents demonstrate his commitment to innovation and excellence. His work continues to influence the industry, showcasing the importance of inventive thinking in solving complex problems.