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Radiation Hardened Chips
Post: #1

Space is a hostile environment. No atmosphere, extreme variations in temperature and almost no energy sources, where even the slightest of mistakes can lead to a disaster. The vast emptiness of space is filled with radiation, mostly from the sun.

A normal computer unless given proper shielding will not be able to work properly. Thus special types of chips- rad hard chips are used.

Radiation hardened chips are made by two methods: -
Radiation hardening by process (RHBP)
Radiation hardening by design (RHBD)

The latter method is much more cost effective and has a great potential for the future. . It has been demonstrated that RHBD techniques can provide immunity from total-dose and single-event effects in commercially produced circuits.

Commercially produced RHBD memories, microprocessors, and application-specific integrated circuits are now being used in defense&space industry.

Rad hard chips have a great scope in military application and protecting critical data (both industrial &domestic) from the vagaries of man and nature.

Current trends throughout military and space sectors favor the insertion of commercial off-the-shelf (COTS) technologies for satellite applications.

However, there are also unique concerns for assuring reliable performance in the presence of ionizing particle environments which present concerns in all orbits of interest. This seminars will detail these concerns from two important perspectives including premature device failure from total ion
Post: #2
pls snd the full report of radiation hardening
Post: #3
Radiation hardening
It is a method used for the purpose of designing and testing electronic components and systems to make them resistant to the effects of the ionizing radiation (particle radiation and high-energy electromagnetic radiation) which would be encountered in the situations like that of outer space, nuclear reactors, high altitude flight etc. Most of the radiation hardened chips would be the same as the commercial equivalents but including some design variation used for reducing their susceptibility for electromagnetic radiation. The radiation hardened chips tends to lag behind the latest developments because extensive development and testing is required to produce a radiation-tolerant design.

Problems caused by radiation
electronic noise and signal spikes are created when the high velocity ionizing radiation knocks out thousands of electrons. inaccurate or unintelligible signals maybe produced in the case of digital circuits.

Radiation-hardening techniques
insulating substrates are used instead of the usual semiconductor wafers in the hardened chips. normal commercial-grade chips radiation hardened, rewritable, non-volatile conductor memory is provided by the Magnetoresistive RAM

get the details here:
Post: #4
please provide me with full seminars report and ppt on radiation hardening

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