The patented invention refers to a method for manufacturing heterostructure bipolar InP-transistors based on III-V semiconductors. The production of indium…
The invention relates to an optical element, which is disclosed
having a planar vertical waveguide structure on the surface of
…
The invention relates to a beam shaping optics which stigmatically focuses the radiation emitted by a point light source in a planar waveguide. Such light…
The invention concerns a microwave antenna for semiconductor modules manufactured in flip-chip technology with two semiconductor substrates metalized on their…
The object of the invention consists of an optoelectronic element and a method to the coherent coupling of active regions of optoelectronic elements to…
The invention concerns a procedure for the treatment of surfaceemitting semiconductor components such as laser diodes. An upper layer stable against…
The invention concerns a semiconductor laser component that has inner boundary layers made of two different mixed crystal systems whose band distances are…
The invention relates to a method to wax of gallium nitride
semiconductor material on a sapphire substrate. The substrate can serve for the production of…
There are photographs that are capable of whipping up a smoker's craving for the next cigarette. Pictures that show the start of the smoking ritual, such as a…
Due to the paralysis of air traffic, many international customers had no other option but to cancel their trade fair visit at short notice. Siemens has…
Researchers at Fox Chase Cancer Center have identified a potentially significant molecular player in the development of aggressive breast cancer. The team's…
The study, published in the April 21 issue of the Journal of the American Medical Association (JAMA), is believed to be the first nationwide look at the impact…
The advance was just reported in Current Applied Physics, a professional journal, by engineers from Oregon State University and Yeungnam University in Korea.This is one of the first demonstrations that this type of technology, which is safer, faster and more economical than previous chemical solution approaches, could be used to continuously and rapidly deposit thin film absorbers for solar cells from such compounds as copper indium diselenide….
Sophie St-Hilaire worked with a team of researchers from Idaho State University, USA, to study the correlation between various weather parameters and the…
The risk was higher—almost 60 percent—in the first 30 days after birth. It is the most comprehensive study to date to show that a mother's short stature is…
The study, published in the April 20, 2010, issue of the Journal of the American Medical Association (JAMA), analyzed U.S. government nutritional data and…