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ST plays a part in the discovery of Higgs

Posted: 18 Jul 2012 ?? ?Print Version ?Bookmark and Share

Keywords:Higgs boson particle? Large Hadron Colider? Compact Muon Solenoid? ATLAS detector?

Following the news of the discovery of the Higgs boson particle, STMicroelectronics (ST) has congratulated the multinational team responsible for this landmark scientific discovery.

ST has supplied electronic components developed specifically for use in CERN's Large Hadron Colider (LHC). These components were used to develop the Compact Muon Solenoid (CMS) and the ATLAS detector, which were crucial in aiding the scientists in discovering the once elusive Higgs boson particle. Carmelo Papa, ST's Vice President and General Manager of Industrial and Multisegment Sector, stated that it has been rewarding for ST and the company is honored to have played a part in this important project revealing crucial truths about the nature of the universe.

For the CMS, a particle detector observing how collisions between protons convert energy into particles of finite mass and hence providing a glimpse of how matter came into existence after the Big Bang, ST has supplied many thousands of silicon sensors since 2002. Special requirements of these sensors included extremely high accuracy at die sizes around 100 times larger than a conventional semiconductor die. ST was able to produce sensors of the required purity, leveraging its high-quality in-house fabrication processes.

For the ATLAS detector, ST developed unique radiation-hardened positive and negative voltage regulators to be used in the liquid argon calorimeter electronics, the pixel detector, transition-radiation tracking detector, and other subsystems. ST received a 2006 ATLAS Supplier Award for producing the regulators after ATLAS scientists found no existing devices capable of delivering sufficient current reliably when exposed to very high levels of radiation.

The same technology has been used by ST to support the satellite and aerospace segments for several years. In addition to the voltage regulators, ST has supplied over 40,000 rad-hard diodes to ATLAS.

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