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Shadow Mask

Shadow Mask

High Precision shadow mask with smallest line width of 10um

Application:used in Optical Systems and Educational Efforts
smallest hole diameter or slot width: 5um
Smallest line width: 10um
Material: stainless steel 304 full hardness
Thickness: 0.03mm up to 0.5mm or at customer‘s request

    The shadow mask is one of the technologies used to manufacture cathode ray tube (CRT) televisions and computer displays that produce color images. Another approach is the aperture grille, better known by its trade name, Trinitron.

    apertured shadow mask manufacturer in China


    The shadow mask is the critical component of the colour picture tube and the important component for the choice of colour , its function concentrates on the limitation of electronics bound diameter and the screening direction , the electronics bound which is sent by the electronics gun goes scanning , during the scanning process , we should guarantee every bound gathering into the small holes situated on the screen , then these bounds will point to the regularized position through the small holes on the flat mask , and then three basic colours will be produced , at the same time , those useless electronics will be blocked by the mask board.


    Machining Type

    Photo Chemical Etching, Laser cutting

    Material Capabilities

    Metal Thickness from 0.03 mm up to 1 mm

    Product Dimension

    600*600 mm

    Smallest open hole


    Centre to Centre for holes


    Smallest line width


    Product precision

    ± 0.01mm (common difference). It’s generally 20% of material thickness.

    Surface treatment for choice

     Silver/Gold/Tin plated, Matt black finish, paint,

    Main customers

     1.World famous universities such as Duke University in USA,Nanyang Technologiecal University in Singapore, University of Melbourne in Australia, Beijing University, Tsinghua University, Zhongshan University,Shanghai Jiao Tong University in China etc.

    apertured shadow mask manufacturer in China

    Please submit your basic information, we will contact you as soon as possible!





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