x-ray lithography
81Électron — Traduction à relire Electron → …
82Holography — (from the Greek, ὅλος hólos whole + γραφή grafē writing, drawing) is a technique that allows the light scattered from an object to be recorded and later reconstructed so that it appears as if the object is in the same position relative to the… …
83Actinism — is a property of radiation (particularly solar radiation) that leads to the production of photochemical effects. Actinism is derived from Greek with the meaning a radiant force . The word actinism seems to be used particularly in terms of imaging …
84Hot cathode — is also a name for a hot filament ionization gauge, a vacuum measuring device.In vacuum tubes, a hot cathode is a cathode electrode which emits electrons due to thermionic emission. ( Cf. cold cathodes, where field emission is used and which do… …
85Hertz Foundation — Infobox Non profit Non profit name = Fannie and John Hertz Foundation Non profit founded date = 1957 founder = Fannie and John Hertz location = Livermore, California origins = key people = John F. Holzrichter Ph.D., President Thomas Weaver, Ph.D …
86Telecentric lens — A telecentric lens is a compound lens which has its entrance or exit pupil at infinity; in the prior case, this produces an orthographic view of the subject. This means that the chief rays (oblique rays which pass through the center of the… …
87Mass-to-charge ratio — Charge to Mass ratio SI quantity dimension: M/(I⋅T) SI unit: kg/C other units: Th The mass to charge ratio ratio (m/Q) is a physical quantity that is widely used in the electrodynamics of c …
88Jules Engel — (11 March 1909 ndash; 6 September 2003) was a Jewish Hungarian American filmmaker, painter, sculptor, graphic artist, set designer, and director of live action and animated films, and teacher. He is most remembered as the founding director of the …
89Scientific research in Canada — This article outlines the history of natural scientific research in Canada including, mathematics, physics, astronomy, space science, geology, oceanography, chemistry, biology, medical research and psychology. The social sciences are not treated… …
90Collage — For other uses, see Collage (disambiguation). Kurt Schwitters, Das Undbild, 1919, Staatsgalerie Stuttgart A collage (From the French: coller, to glue, French pronunciation: [kɔ.laːʒ]) is a work of formal art, primarily in the vi …
