title: Form factor
text: # Form factor
  
  Form factor or form-factor may refer to:
  
  ## Manufacturing
  
  * Form factor (design), an aspect of design which defines and prescribes the size, shape, and other physical specifications of hardware components, particularly in electronics and electronic packaging
     * Form factor (mobile phones)
     * Computer form factor, the specifications of computer motherboards
     * Hard disk drive form factor
  * FormFactor (company), a semiconductor test and measurement company, acquired Cascade Microtech in 2016
  
  ## Scattering theory
  
  * Form factor (quantum field theory), a semi-empirical formula used in effective quantum field theories
  * Atomic form factor, or atomic scattering factor, a measure of the amplitude of a wave scattered from an isolated atom
  * Electric form factor, the Fourier transform of electric charge distribution in space
  * Magnetic form factor, the Fourier transform of an electric current distribution in space
  
  ## Other sciences
  
  * Form factor (electronics), characterizing the functional form of oscillating signals
  * Form factor (radiative transfer) or view factor, the proportion of energy transmitted by that object which can be transferred to another object
  * Form factor in timber metrics, referring to tree shape
  