The Justice Department said its investigation found that Los Angeles-based Northrop and TRW Inc., which Northrop acquired in 2002, failed to properly test certain parts, known as heterojunction bipolar transistors, made by TRW between 1992 and 2002.    From Wordnik.com. Reference

A possibility of obtaining an efficient injection in the heterojunction seemed doubtful to them and, in spite of the fact that potential advantages of DHS had been recognized.    From Wordnik.com.  [Zhores I. Alferov - Autobiography] Reference

Herbert Kroemer and Zhores Alferov suggested in 1963 that the concentration of electrons, holes and photons would become much higher if they were confined to a thin semiconductor layer between two others - a double heterojunction.    From Wordnik.com.  [The Nobel Prize in Physics 2000 - Presentation Speech] Reference

There, a Dr. Poganski gave a beautiful demonstration that the selenium rectifier was not a Schottky barrier, but a p-n junction between p-type selenium and n-type CdSe, a true heterojunction - although that term did not exist yet.    From Wordnik.com.  [Herbert Kroemer - Autobiography] Reference

Efforts are underway to increase operational speed to 100Gb/s, with energy consumption to be cut to 10 percent of current chips like the high electron mobility transistor, the heterojunction bipolar transistor and the complementary metal oxide semiconductor.    From Wordnik.com.  [June 2008 - Fareastgizmos.com] Reference

The Company uses technologies using GaAs substrates, including heterojunction bipolar transistors.    From Wordnik.com.  [News] Reference

Using this novel, iodide-free redox electrolyte in conjunction with a sensitized heterojunction, we achieved an unprecedented efficiency of 6. 4% under standard illumination test conditions.    From Wordnik.com.  [Next Big Future] Reference

The technical challenges that need to be tackled are related to dedicated processes for the interconnection and encapsulation of these heterojunction cells into solar modules, as well as to subsequent testing of these modules.    From Wordnik.com.  [Aktuellste Pressemeldungen der PresseBox] Reference

Instead of NMOS transistors, which can trap a charge and exhibit hot carrier effects at cryogenic temperatures, only heterojunction bipolar npn and PMOS transistors were used in the design, since they exhibit the best temperature stability across the widest range.    From Wordnik.com. Reference

The lawsuit -- joined by the government and made public today -- alleged that TRW, which Northrop Grumman acquired in 2002, sold to the government components known as "heterojunction bipolar transistors," or "HBTs," that TRW knew were likely to fail in government satellites.    From Wordnik.com.  [Latest News from SYS-CON ITALIA] Reference

(heterojunction with intrinsic thin layer) photovoltaic cells.    From Wordnik.com.  [Digital World Tokyo] Reference

Acceptor (A) molecules to assemble homotropically to form a heterojunction.    From Wordnik.com.  [innovations-report] Reference

The leaves use Sanyo’s patented HIT solar cell technology, HIT being a catchier term for ‘heterojunction with intrinsic thin layer’, a technology that enables the cells to achieve the world’s highest power generation per square centrimetre.    From Wordnik.com.  [Sunplant photovoltaic foliage on display in Milan | Inhabitat] Reference

Mitra’s invention, a “Fullerene single wall carbon nanotube complex for polymer bulk heterojunction photovoltaic cells,” is featured as the June 21, 2007 cover story of the Journal of Materials Chemistry published by the Royal Society of Chemistry.    From Wordnik.com.  [Sustainable Design Update » Blog Archive » Spray on Solar Using Buckyballs] Reference

(pressebox) Lyss, 26.10.2009, Solar group 3S, the world's market leader for production equipment for the manufacture of solar modules. and CEA Liten (Laboratory of Innovation for New Energy Technologies), a French technological research organization, have signed a three year agreement to collaborate on the development of photovoltaic modules based on silicon-based heterojunction? solar cells and of associated tools to produce these type of modules.    From Wordnik.com.  [Aktuellste Pressemeldungen der PresseBox] Reference