Patent ID: 7446421

Claim:
A bonding structure with a buffer layer, comprising: a first substrate; a plurality of metal pads on a surface of said first substrate; a protection layer covering on said surface of said first substrate; a first adhesive metal layer being formed on said plurality of metal pads; a buffer layer being respectively coated on said protection layer and on said first adhesive metal layer, said buffer layer located on said first adhesive metal layer over each of said plurality of metal pads being formed as two separated buffer layer parts; a first metal layer covering said buffer layer, said first metal layer being separately formed on surface areas of said buffer layer opposite to said protection layer and said first adhesive metal layer; a second substrate having a plurality of electrodes thereon; and a bonding layer, said bonding layer and said plurality of electrodes being independently distributed on said second substrate; wherein said first metal layer, said plurality of electrodes and said bonding layer are bonded to complete said bonding structure.