Log In

James Michael Early Edit Profile

electronics research consultant

James Michael Early, American Electronics research consultant. Served with United States Army, 1943-1945. Fellow American Association for the Advancement of Science, Institute of Electrical and Electronics Engineers (numerous committees, John Fritz Medal board of award); member Institute of Electrical and Electronics Engineers Electron Device Society (Josip Juraj Ebers award 1979), American Physical Society, International Platform Association.

Background

Early, James Michael was born on July 25, 1922 in Syracuse, New York, United States. Son of Frank J. and Rhoda Gray Early.

Education

Bachelor of Science, New York College Forestry, Syracuse, New York, 1943. Master of Science, Ohio State University, 1948. Doctor of Philosophy, Ohio State University, 1951.

Career

He is also known as Jim Early. The Early effect in bipolar junction transistors is named after Jim Early, who first characterized it and published a paper on it in 1952. The Early effect in bipolar junction transistors is due to an effective decrease in the base width because of the widening of the base-collector depletion region, resulting in an increase in the collector current with an increase in the collector voltage.

The same type of length modulation in MOSFETs is also commonly referred to as Early effect. He also developed the transistors for America's first commercial communications satellite, the Telstar I. In the early 1970s, Early led research for Fairchild Semiconductor, where he invented the vertical anti-blooming drain for CCD image sensors. He died on January 12, 2004 at the VA Palo Alto Health Care System in Palo Alto, California.

Achievements

  • Achievements include 14 patents. Discovery of Space Charge Layer Widening effect (now called Early effect). Invention of the high frequency bipolar transistor and intrinsic barrier transistor.

    Developer of Telstar solar cells and transistors, of sealed junction beam lead integrated circuits. Design theory of bipolar transistors. Definition of fundamental speed-power limits in junction devices.

    First commercial use of ion implanter in semiconductor devices. First use of buried channel charge coupled devices, of traveling wave charge-coupled detectors, of high speed ECL and advanced Complementary Metal Oxide Semiconductor. Procurement of first practical commercial electron beam machine for maskmaking.

    Proposing fastest bipolar circuit.

Membership

Served with United States Army, 1943-1945. Fellow American Association for the Advancement of Science, Institute of Electrical and Electronics Engineers (numerous committees, John Fritz Medal board of award). Member Institute of Electrical and Electronics Engineers Electron Device Society (Josip Juraj Ebers award 1979), American Physical Society, International Platform Association.

Connections

Married Mary Agnes Valentine, December 28, 1948. Children: Mary Beth Early Dehler, Kathleen, Joan Early Farrell, Rhoda Early Alexander, Maureen Early Mathews, Rosemary Early North, James, Margot Early Staton.

father:
Frank J.

mother:
Rhoda Gray Early

spouse:
Mary Agnes Valentine

child:
Mary Beth Early Dehler Early

child:
Kathleen Early

child:
Joan Early Farrell Early

child:
Rhoda Early Alexander Early

child:
Maureen Early Mathews Early

child:
Rosemary Early North Early

child:
James Early

child:
Margot Early Staton Early