Optical Element Coater: A description for the optical element coater job

Benchwork Jobs » Jobs In Fabrication And Repair Of Scientific Medical Photographic Optical Horological And Related Products » Jobs In Fabrication And Repair Of Engineering And Scientific Instruments And Equipment Nec » Optical Element Coater

Optical Element Coater – Controls vacuum coating equipment to coat optical elements with chemical or metal film to alter reflective properties of elements: Reads work order to ascertain thickness of optical element and type coating material specified. Installs heating filament in coating machine according to type coating applied, using screwdriver. Fills crucible with coating material and positions crucible under heating filament. Secures optical element in jig and centers jig in vacuum chamber of machine to ensure uniform coating of optical surface. Places dome-shaped lid (vacuum bell) over jig or lowers lid equipped with window depending upon machine used. Starts machine that creates vacuum and releases chemicals or metal to form coating on optical element by process of sublimation or atomization. Observes changing colors of element through vacuum bell or through window in lid to determine when element is coated to specifications, or reads exposure meter to determine coating thickness. Applies and removes strip of cellophane to test adherence of coating to optical element. May also immerse elements in chemical solution to clean elements. May also operate ultrasonic vibrator to clean element. May also inspect optical elements prior to coating to detect defects, for example blemishes, abrasions, and rough edges, using microscope. May also cement optical elements together to form multiple laminated elements [CEMENTER (optical industry)]. May also spray emulsion on lens preparatory to coating.

Job industry: optical industry

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