CHO-SHIELD 604 is a highly conductive, advanced coating developed for high volume, precise spray applications on circuit boards and semiconductor packages. Combined with innovative technologies and packaging designs, CHO-SHIELD 604 can provide board level or package level EMI shielding of electrical components. Applied correctly, CHO-SHIELD 604 can replace stamped metal cans, saving valuable board space and reducing the overall cost of board level EMI shielding. CHO SHIELD 604’s specially formulated flexible polymer system provides tenacious adhesion and good environmental stability.