Location History:
- Billdal, SE (1998)
- Stockholm, SE (2003 - 2004)
Company Filing History:
2 out of 25,823 
1 out of 109 
Years Active: 1998-2004
Title: Ingvar Gustaf Andersson: Innovator in Microlithography and Radio Communication
Introduction
Ingvar Gustaf Andersson is a notable inventor based in Billdal, Sweden. He has made significant contributions to the fields of microlithography and radio communication, holding a total of 3 patents. His work has had a profound impact on the precision of semiconductor device patterns and communication systems.
Latest Patents
Andersson's latest patents include a system and method for beam positioning in microlithography writing. This invention focuses on high-precision printing and inspection of patterns on photosensitive substrates, particularly for photomasks used in semiconductor devices and display panels. The invention addresses substrate offset compensation by modifying position data and utilizes a direct digital synthesis (DDS) unit for generating sweep frequency drive signals.
Another significant patent involves a method and apparatus in a radio communication system. This invention aims to reduce variations in received signal amplitude caused by filter characteristics. It includes a C/I measuring apparatus that filters the signal and splits it into an RSS signal representing signal strength and a BB signal for momentary carrier frequency deviation. The method provides a way to measure the C/I of a received signal effectively.
Career Highlights
Throughout his career, Ingvar Gustaf Andersson has worked with prominent companies such as Telefonaktiebolaget Lm Ericsson and Micronic Laser Systems. His experience in these organizations has allowed him to develop and refine his innovative ideas in technology.
Collaborations
Andersson has collaborated with notable individuals in his field, including Torbjörn Sandström and Leif Odselius. These partnerships have contributed to the advancement of his inventions and the successful implementation of his ideas.
Conclusion
Ingvar Gustaf Andersson's contributions to microlithography and radio communication demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to enhancing precision in technology, making him a significant figure in his field.