The first patent for the field-effect transistor principle was filed in Canada by Austrian-Hungarian physicist Julius Edgar Lilienfeld on October 22, 1925, but Lilienfeld published no research articles about his devices, and his work was ignored by industry.ince Bell Labs did not make a public announcement of the transistor until June 1948, the transistron was considered to be independently developed. Matare matarÃ© had first observed transconductance effects during the manufacture of silicon diodes For german radar equipment DURING. wwii
A toll free phone number for State Farm Insurance to get new quotes on car insurance is 888-559-6905. Call now to see what State Farm Insurance can do for you in the way of receiving a new quote for auto insurance.
To get in touch with us: Call Connecticut's statewide toll free energy information line at 1-877-WISE USE (947-3873) to speak to an energy professional weekdays during normal business hours OR, Use our Contact Form on this page. You will receive an email reply from an Energize Connecticut representative during normal business hours, Monday through Friday Other Contacts: