| 摘要 |
The light shielding mask film is produced by coating a pressure-sensitive adhesive layer and a light-shielding mask layer on the polyester resin substrate in order. The adhesive layer contains 100 wt.% pressure-sensitive adhesive and 0.001-1.0 wt.% organic release agent, and the mask layer contains 100 wt.% mask layer resin and 0.1-10 wt.% inorganic release agent. The organic release agent is pref. wax, paraffin, polysiloxane or fluoroalkyl deriv., and the inorganic release agent is pref. aluminium oxide, silicon oxide, titanium oxide or calcium oxide.
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