Patent ID: 7262497

Claim:
A bumpless assembly package, comprising: a substrate having an upper surface, a lower surface opposed to the upper surface, an opening passing through the upper surface, a plurality of first contacts and a plurality of second contacts formed on the upper surface, wherein one of the first contacts electrically connects to one of the second contacts; a chip having an active surface, a back surface and a plurality of bonding pads formed on the active surface, wherein the chip is disposed in the opening and the active surface of the chip faces away from the lower surface, an electrically conductive layer disposed above the active surface of the chip and the upper surface of the substrate, wherein the electrically conductive layer is extended from the active surface of the chip to the upper surface of the substrate so as to electrically connect the chip and the substrate and covers at least one of the plurality of first contacts; and a protective layer formed on the electrically conductive layer to expose the second contacts.