1966 - Invention of a gigacycle range signal generator using semiconductor materials in magnetic and electric fields
Plasma Physics
About This Innovation
* Ancker-Johnson invented improved signal generator * Known for her research into instabilities that can occur in plasmas in solids * Invented a gigacycle range signal generator using semiconductor materials in magnetic and electric fields * Described plasma as a fourth state of matter after liquids, solids, and gases.
The Invention
Signal generators using semiconductor material in magnetic & electric fields; detector-modulator for an optical communications system; Fast sequential switch with adjustable delay; Radiant energy optical detector; Solid state data storage & switching devices
Key Information
Category:
Plasma Physics
Completion Status:
yes
Patent Number:
3287659; 3899430; 3820151; 3795803; 3187310;
Co-Inventor:
Charles L. Dick Jr; James E. Drummond; Roy R. Johnson
Patent Information
Patent Number: 3287659; 3899430; 3820151; 3795803; 3187310;
Technical Specifications
Signal generators using semiconductor material in magnetic & electric fields; detector-modulator for an optical communications system; Fast sequential switch with adjustable delay; Radiant energy optical detector; Solid state data storage & switching devices
Collaboration
Co-Inventor: Charles L. Dick Jr; James E. Drummond; Roy R. Johnson
