Tag for marking defective part of electrode for secondary battery and manufacturing method thereof

A method for manufacturing a tag for marking a defective portion of an electrode for a secondary battery, the method comprising the steps of:

• preparing a base paper used for a release paper;
• coating a given color onto top of the base paper and drying the coated color to form a release paper color layer;
• applying a transparent acrylic permanent adhesive onto top of the release paper color layer to form a release paper adhesive layer;
• attaching a transparent PET film onto top of the release paper color layer to form a release paper PET film layer;
• coating a silicone resin having a release function onto top of the release paper PET film layer and drying the coated silicone resin to form a silicone resin layer;
• applying an acrylic adhesive onto a portion of top of the silicone resin layer of the release paper to form an adhesive layer having a thickness of 5 to 30 μm;
• and
• coupling a tag film made of a synthetic resin film with a different color contrasted with the given color of the release paper color layer to the adhesive layer in such a way as to attach the underside of one side corresponding to 25 to 50% of the entire area thereof to the adhesive layer and thus laminating the tag film on top of the release paper.