Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to ES0197544ApriorityCriticalpatent/ES197544A1/en
Publication of ES197544A1publicationCriticalpatent/ES197544A1/en
Exposure And Positioning Against Photoresist Photosensitive Materials
(AREA)
Abstract
Procedimiento para mejorar producciones fotolitográficas caracterizado por el hecho de que la imagen litográfica obtenida se somete a un tratamiento por el que resulte de la transparencia y densidad adecuadas para que unida a reproducciones de refuerzo y contraste. transparentes en colores complementarios establezca un conjunto que montado con cristal de fondo o posterior esmerilado difusor de la luz forme un original realzado en todos sus valores al ser iluminado por cualquier sistema a propósito.Procedure to improve photolithographic productions characterized by the fact that the lithographic image obtained is subjected to a treatment that results in adequate transparency and density so that it can be combined with reinforcement and contrast reproductions. transparent in complementary colors establish a set that, mounted with back glass or frosted light diffusing back, forms an original enhanced in all its values when illuminated by any purpose-built system.
ES0197544A1951-04-231951-04-23
A PROCEDURE TO IMPROVE PHOTOLITHOGRAPHIC PRODUCTIONS
ExpiredES197544A1
(en)
Improvements in the illumination systems of letters, signs and graphics of fluorescent material. (Machine-translation by Google Translate, not legally binding)
Sign provided with a screen with translucent legends and a mirror or reflector plate combined in such a way that they produce the sensation that the sign is luminous, as it is only indirectly illuminated by any light source.
A lighting system for transparent plates and glass or crystal moons used for announcements or other uses (Machine-translation by Google Translate, not legally binding)