This image is not available for purchase in your country.

Herbert Philipp, US physicist

Herbert Philipp, US physicist

C021/5779

Rights Managed

This image is not available for purchase in your country.

Please contact your Account Manager if you have any query.

Credit

EMILIO SEGRE VISUAL ARCHIVES, PHYSICS TODAY COLLECTION / AMERICAN INSTITUTE OF PHYSICS / SCIENCE PHOTO LIBRARY EMILIO SEGRE VISUAL ARCHIVES, PHYSICS TODAY COLLECTION / AMERICAN INSTITUTE OF PHYSICS / SCIENCE PHOTO LIBRARY

Restrictions:

Editorial use only.

Caption

Herbert Reynold Philipp (1928-2001), US physicist, examining a high-grade vacuum tube used in measuring the photoelectric emission from germanium crystals. Samples are heated by induction in the long glass arms of the tube, allowing outgassing. The samples are then moved inwards into the coated glass ball at centre, where the measurements are made. Philipp carried out a number of studies of photoelectric emission, starting in the 1950s. Photoelectric emission in germanium is related to its use as a material in semiconductors.

Release details

Model release not available. Property release not required.

 {{ i.shot_duration ? i.shot_duration + ' ' : '' }}{{ i.shot_uhd ? '4K ' : i.hires ? 'HD ' : '' }}{{ i.spl_number }} R{{ i.license }}

  • Add to board
  • Similar {{ mediaType(i) }}