PASTE DISPENSER

PURPOSE: A paste dispenser is provided to measure the deformity generated to the paste which is coated on a substrate in a real-time basis using the difference between the amount of light emitted and light received about the light emitted on the substrate. CONSTITUTION: A paste dispenser comprises a...

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Bibliographic Details
Main Authors SON, SEO HO, PARK, HAK CHEOL
Format Patent
LanguageEnglish
Korean
Published 28.06.2013
Subjects
APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL
APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
ATOMISING APPARATUS
NOZZLES
PERFORMING OPERATIONS
SPRAYING APPARATUS
SPRAYING OR ATOMISING IN GENERAL
TRANSPORTING
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Summary:PURPOSE: A paste dispenser is provided to measure the deformity generated to the paste which is coated on a substrate in a real-time basis using the difference between the amount of light emitted and light received about the light emitted on the substrate. CONSTITUTION: A paste dispenser comprises a dispensing head unit, a sensing unit(70), and a control unit. The dispensing head unit has a nozzle(53) for discharging paste on the substrate. The sensing unit is equipped in the dispensing head unit and comprises a light emitting portion(71) and a light receiving portion(72). The light emitting unit radiates light. The light receiving unit receives light reflected from the substrate, or paste covered on the substrate and emitted from the light emitting unit. The control unit measures the coating state of paste coated on the substrate based on the difference between the amount of light emitted and the amount of light received.
Bibliography:Application Number: KR20110138294