A technique for enhancing the bandwidth of a broadside tri-modal patch antenna is described. The key idea of the technique is to incorporate a dual-resonance structure into the broadside tri-modal patch geometry. By increasing one edge of the tri-modal patch while decreasing its size at the opposite edge. the resulting structure can be viewed as two superimposed Y-shaped structures of... https://www.mamapaisa.com/product-category/moisturizing-treatment/