Surfacemount technology Wikipedia ~ Surfacemount technology SMT is a method for producing electronic circuits in which the components are mounted or placed directly onto the surface of printed circuit boards PCBs An electronic device so made is called a surfacemount device SMD

LED lamp Wikipedia ~ The light from white LED lamps is usually provided by industry standard LED surfacemounted devices SMDs NonSMD types of LED lighting also exist such COB chip on board and MCOB multiCOB SMD LED Modules are described by the dimensions of the LED package

SMD Wikipedia ~ This disambiguation page lists articles associated with the title SMD If an internal link led you here you may wish to change the link to point directly to the intended article

Strictly standardized mean difference Wikipedia ~ In statistics the strictly standardized mean difference SSMD is a measure of effect is the mean divided by the standard deviation of a difference between two random values each from one of two groups SSMD was initially proposed for quality control and hit selection in highthroughput screening HTS and has become a statistical parameter measuring effect sizes for the comparison

Lightemitting diode Wikipedia ~ A lightemitting diode LED is a semiconductor light source that emits light when current flows through it Electrons in the semiconductor recombine with electron holes releasing energy in the form of color of the light corresponding to the energy of the photons is determined by the energy required for electrons to cross the band gap of the semiconductor

Solvent model Wikipedia ~ Explicit solvent models treat explicitly the coordinates and usually at least some of the molecular degrees of freedom are included the solvent molecules This is a more intuitively realistic picture in which there are direct specific solvent interactions with a solute in contrast to continuum models

Sauter mean diameter Wikipedia ~ In fluid dynamics Sauter mean diameter SMD d 32 or D3 2 is an average of particle size It was originally developed by German scientist Josef Sauter in the late 1920s It is defined as the diameter of a sphere that has the same volumesurface area ratio as a particle of interest Several methods have been devised to obtain a good estimate of the SMD

Reflow soldering Wikipedia ~ Reflow soldering is a process in which a solder paste a sticky mixture of powdered solder and flux is used to temporarily attach one or thousands of tiny electrical components to their contact pads after which the entire assembly is subjected to controlled solder paste reflows in a molten state creating permanent solder joints Heating may be accomplished by passing the assembly

Storage Module Device Wikipedia ~ Storage Module Drive SMD is a family of storage devices hard disk drives that were first shipped by Control Data Corporation in December 1973 as the CDC 9760 40 MB unformatted storage module disk drive The CDC 9762 80 MB variant was announced in June 1974 and the CDC 9764 150 MB and the CDC 9766 300 MB variants were announced in 1975 all capacities unformatted

SIMD Wikipedia ~ The first use of SIMD instructions was in the ILLIAC IV which was completed in 1966 SIMD was the basis for vector supercomputers of the early 1970s such as the CDC Star100 and the Texas Instruments ASC which could operate on a vector of data with a single instruction