Pinhole detection device

Abstract

A pin-hole detection device includes: a film supply unit provided with a roller on which the film is wound; a base part disposed adjacent to the film supply unit, seated on a ground, and formed by connecting a plurality of profiles; a light emitting unit mounted on the base part and emitting light; a film unwinding unit mounted on the base part, configured to unwind the film provided from the film supply unit, and allow the unwounded film to pass through the light emitting unit while being unfolded; and a luminous intensity measuring unit mounted on the base part and disposed to face the light emitting unit to measure the luminous intensity of light passing through the unfolded film, wherein the film unwinding unit includes a winder roller unit rotating and moving the film in one direction while compressing the film, and an idle roller unit rotated according to movement of the contacted film and configured to guide the unwound film to determine a movement path.

Dependencies are inferred from the claim text.