Form factor
Encyclopedia
Form factor may refer to:
- Form factor (radiative transfer) or emissivity, the proportion of energy transmitted by that object which can be transferred to another object
- Form factor (physics)Form factor (QFT)In effective field theory, a form factor is a function which gives the properties of a certain particle interaction without including all of the underlying physics...
, a semi-empirical formula used in effective quantum field theories - Form factor (electronics)Form factor (electronics)In electronics, the form factor of an alternating current waveform is the ratio of the RMS value to the average value .In case of a sinusoidal wave, i.e...
, an alternating current waveform - Electric form factorElectric form factorThe electric form factor is the Fourier transform of electric charge distribution in space.The idea originated from young William Thomson....
, the Fourier transform of electric charge distribution in space - Magnetic form factorMagnetic form factorIn electromagnetism, a magnetic form factor is the Fourier transform of an electric current distribution in space.-See also:For the form factor relevant to magnetic diffraction of free neutrons by unpaired outer electrons of an atom see also: atomic form factor- External links :*, Andrey Zheludev,...
, the Fourier transform of an electric current distribution in space - Atomic form factorAtomic form factorIn physics, the atomic form factor, or atomic scattering factor, is a measure of the scattering amplitude of a wave by an isolated atom. The atomic form factor depends on the type of scattering, which in turn depends on the nature of the incident radiation, typically X-ray, electron or neutron...
, or atomic scattering factor, a measure of the amplitude of a wave scattered from an isolated atom - The geometry of a product, especially in industrial and engineering design, including:
- Computer form factor, the industry-standard physical dimensions of the major components of computers
- Hard disk drive form factor, the physical dimensions of a computer hard drive
- Hard disk enclosure form factor, the physical dimensions of a computer hard drive enclosure
- Mobile phone form factorMobile phone form factorsMobile phones are designed with one of a variety of different form factors, depending on its functionality or aesthetic considerations.-Bar:A bar phone takes the shape of a cuboid. It is named because of its resemblance to a candy bar in size and shape...
, the fundamental design of a mobile phoneMobile phoneA mobile phone is a device which can make and receive telephone calls over a radio link whilst moving around a wide geographic area. It does so by connecting to a cellular network provided by a mobile network operator... - Small form factorSmall form factorA small form factor is a computer form factor designed to minimize the volume of a desktop computer. For comparison purposes, the size of an SFF case is usually measured in litres. SFFs are available in a variety of sizes and shapes, including shoeboxes, cubes, and book-sized PCs...
, a system smaller than a traditional mini-tower, such as a book-sized PC or a miniature Home Theater PC (HTPC) - Pizza box form factorPizza box form factorIn computing, a pizza box is a style of case for computers or network switches. Cases of this type tend to be wide and flat, normally one or two rack units in height, thus resembling pizza delivery boxes....
, a style of case, usually wide and flat, for computers or network switches