A lighting device for foreign object debris (FOD) detection is included. The lighting device includes a light source configured to emit light onto a surface, and a diffuser coupled to the light source and configured to cause the emitted light to impinge the surface in at least a partially planar pattern, so as to create a darkfield lighting effect with respect to the surface. The lighting device further includes a cylindrical rod including a first end portion and a second end portion, in which the first end portion is configured to couple to the light source and the diffuser and the second end portion is configured to be manually held by a user of the portable lighting device.
DARKFIELD LIGHTING SOURCE FOR AIRCRAFT FOD DETECTION
2025-04-10
Patent
Electronic Resource
English
IPC: | B64F GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT , Boden- oder Flugzeugträgerdeckeinrichtungen besonders ausgebildet für die Verwendung in Verbindung mit Luftfahrzeugen / F21L Tragbare oder speziell für den Transport angepasste Leuchten oder Beleuchtungssysteme , LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION / F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF , Funktionsmerkmale oder Einzelheiten von Leuchten oder Beleuchtungssystemen / F21Y Index-Schema in Verbindung mit den Unterklassen F21K, F21L, F21S und F21V, betreffend die Form oder die Art der Lichtquellen oder die Farbe des emittierten Lichts , INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED / H04N PICTORIAL COMMUNICATION, e.g. TELEVISION , Bildübertragung, z.B. Fernsehen |
Design and Applications: Laser improvements benefit darkfield wafer inspection
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