Age, Biography and Wiki
Jean Hoerni was born on 26 September, 1924 in Geneva, Switzerland, is a Swiss-born American engineer (1924–1997). Discover Jean Hoerni's Biography, Age, Height, Physical Stats, Dating/Affairs, Family and career updates. Learn How rich is he in this year and how he spends money? Also learn how he earned most of networth at the age of 73 years old?
Popular As |
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Occupation |
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Age |
73 years old |
Zodiac Sign |
Libra |
Born |
26 September 1924 |
Birthday |
26 September |
Birthplace |
Geneva, Switzerland |
Date of death |
1997 |
Died Place |
Seattle, Washington, U.S. |
Nationality |
Switzerland
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We recommend you to check the complete list of Famous People born on 26 September.
He is a member of famous engineer with the age 73 years old group.
Jean Hoerni Height, Weight & Measurements
At 73 years old, Jean Hoerni height not available right now. We will update Jean Hoerni's Height, weight, Body Measurements, Eye Color, Hair Color, Shoe & Dress size soon as possible.
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Not Available |
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Not Available |
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Not Available |
Who Is Jean Hoerni's Wife?
His wife is Anne Marie Hoerni
Ruth Carmona
Jennifer Wilson
Family |
Parents |
Not Available |
Wife |
Anne Marie Hoerni
Ruth Carmona
Jennifer Wilson |
Sibling |
Not Available |
Children |
Not Available |
Jean Hoerni Net Worth
His net worth has been growing significantly in 2023-2024. So, how much is Jean Hoerni worth at the age of 73 years old? Jean Hoerni’s income source is mostly from being a successful engineer. He is from Switzerland. We have estimated Jean Hoerni's net worth, money, salary, income, and assets.
Net Worth in 2024 |
$1 Million - $5 Million |
Salary in 2024 |
Under Review |
Net Worth in 2023 |
Pending |
Salary in 2023 |
Under Review |
House |
Not Available |
Cars |
Not Available |
Source of Income |
engineer |
Jean Hoerni Social Network
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Timeline
Jean Amédée Hoerni (September 26, 1924 – January 12, 1997) was a Swiss-born American engineer.
He was a silicon transistor pioneer, and a member of the "traitorous eight".
He developed the planar process, an important technology for reliably fabricating and manufacturing semiconductor devices, such as transistors and integrated circuits.
Hoerni was born on September 26, 1924, in Geneva, Switzerland.
He received his B.S. in Mathematics from the University of Geneva and two Ph.D.s in physics; one from the University of Geneva and the other from the University of Cambridge.
In 1952, he moved to the United States to work at the California Institute of Technology, where he became acquainted with William Shockley, a physicist at Bell Labs who was intimately involved with the creation of the transistor.
A few years later, Shockley recruited Hoerni to work with him at the newly founded Shockley Semiconductor Laboratory division of Beckman Instruments in Mountain View, California.
In 1958, Hoerni attended an Electrochemical Society meeting, where Bell Labs engineer Mohamed Atalla presented a paper about the passivation of p–n junctions by oxide, and demonstrated silicon dioxide's passivating effect on a silicon surface.
Hoerni was intrigued, and came up with the concept of planar technology one morning while thinking about Atalla's device.
Taking advantage of silicon dioxide's passivating effect on the silicon surface, Hoerni proposed to make transistors that were protected by a layer of silicon dioxide.
The planar process was invented by Jean Hoerni, with his first patent filed in May 1959.
The planar process was critical in the invention of Silicon Integrated circuit by Robert Noyce.
Noyce built on Hoerni's work with his conception of an integrated circuit, which added a layer of metal to the top of Hoerni's basic structure to connect different components, such as transistors, capacitors, or resistors, located on the same piece of silicon.
The planar process provided a powerful way of implementing an integrated circuit that was superior to earlier conceptions of the device.
With Noyce, Jack Kilby from Texas Instruments is usually credited with the invention of the integrated circuit, but Kilby's IC was based on Germanium.
As it turns out, Silicon ICs have numerous advantages over germanium.
The name "Silicon Valley" refers to this silicon.
Along with the "traitorous eight" alumni Jay Last and Sheldon Roberts, Hoerni founded Amelco (known now as Teledyne) in 1961.
In 1964, he founded Union Carbide Electronics, and in 1967, he founded Intersil, where he became a pioneer of low-voltage CMOS-Integrated Circuits.
He was awarded the Edward Longstreth Medal from the Franklin Institute in 1969 and the McDowell Award in 1972.
An avid mountain climber, Hoerni often visited the Karakoram Mountains in Pakistan and was moved by the poverty of the Balti mountain people who lived there.
He contributed the lion's share, $30,000, to Greg Mortenson's project to build a school in the remote village of Korphe, and later founded the Central Asia Institute with an endowment of $1 million to continue providing services for them after his death.
Hoerni named Greg Mortenson as the first Executive Director of the organization, which continues to build schools in Pakistan and Afghanistan.
Hoerni died of myelofibrosis on January 12, 1997, in Seattle, Washington.
He was married to Anne Marie Hoerni and had three children: Annie Blackwell, Susan Killham, and Michael Hoerni.
He had one brother, Marc Hoerni.
His second marriage to Ruth Carmona also ended in divorce.
In December 2007, an article was published by Michael Riordan on Hoerni and his planar process in IEEE Spectrum.
The author claimed that Jay Last pointed out that Hoerni had incredible stamina and could hike for hours on little food or water.