Magnetic Ink Character Recognition

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Example of the MICR font E-13B

Magnetic Ink Character Recognition ( MICR for short ) is a special variant of character recognition ( OCR ), as it is mainly used in the USA to process checks . The digits are printed in a special font called E-13B and with a special ink to which magnetizable iron (II, III) oxide particles are added. With a magnetic reading device, these characters can then be processed with a significantly higher degree of recognition and a higher processing speed than would be possible with optical OCR processes. In Germany, MICR is standardized by DIN standard 66226: 1987-09 (information processing; coding of machine-readable characters, MICR and OCR). In the USA, checking checks with MICR imprint is mandatory, and this is standardized in the ANSI X9.100-20 standard.

Individual evidence

  1. ↑ NIA
  2. ↑ Standards Advisory: Magnetic Ink Still Required on Checks. (pdf) X9 Committee, February 2, 2018, accessed on February 26, 2020 .