Circuit board structure having electronic components integrated therein
The present invention provides a circuit board having electronic components integrated therein, including a carrier board having an metallic oxide layer formed on each two surfaces of a metal layer, and having at least one through cavity; at least a semiconductor chip hold in the opening; at least a capacitor disposed on one surface of the carrier board, wherein the surface with the capacitor disposed thereon is at the same side with the active surface of the semiconductor chip. The capacitor is constituted of a first electrode plate disposed on partial surface of one side of the carrier board, a high dielectric material layer disposed on the surface of the first electrode plate, and a second electrode plate, paralleling and corresponding to the first electrode plate, disposed on the surface of the high dielectric material. The metal layer and the oxidation layer of the carrier board can enhance rigidity as well as tenacity and also integrate semiconductor chips and capacitors in the circuit board structure.
1. A circuit board having electronic components integrated therein, comprising:
a carrier board which is formed by respectively forming a first metallic oxide layer and a second metallic oxide layer on two sides of a metal layer, and has at least one through cavity penetrating the carrier board;
at least one semiconductor chip hold in the through cavity and having an active surface with a plurality of electrode thereon and an inactive surface; and
at least one capacitor, disposed on one surface of the carrier board, wherein the surface is at the same side with the active surface of the semiconductor chip, and the capacitor is constituted of a first electrode plate disposed on a part of the surface of the carrier board, a high dielectric material layer disposed on the surface of the first electrode plate, and a second electrode plate, paralleling and corresponding to the first electrode plate, disposed on the surface of the high dielectric material layer.
2. The circuit board of claim 1 , further comprises an adhesive material filling the gap between the through cavity of the carrier board and the semiconductor chip, so as to fix the semiconductor chip in the through cavity.
3. The circuit board of claim 1 , further comprises a dielectric layer, disposed between the capacitor and the carrier board, and on the active surface of the semiconductor chip for providing a better bonding between the capacitor and the carrier board.
4. The circuit board of claim 3 , wherein the dielectric layer fills the gap between the through cavity of the carrier board and the semiconductor chip, so as to fix the semiconductor chip in the through cavity.
5. The circuit board of claim 1 , further comprises a built-up structure disposed on the side of the carrier board having the capacitors, wherein the built-up structure is constituted of at least one dielectric layer, at least one circuit layer together with a plurality of conductive vias, and a plurality of conductive pads are disposed on the outer surface of the built-tip structure.
6. The circuit board of claim 5 , wherein the conductive vias comprise first, second, and third conductive vias, electrically connecting to the first electrode plate of the capacitor, the second electrode plate, and the electrode pads of the semiconductor chip, respectively.
7. The circuit board of claim 5 , wherein the dielectric layer fills the gap between the through cavity of the carrier board and the semiconductor chip, so as to fix the semiconductor chip in the through cavity.
8. The circuit board of claim 5 , further comprises another built-up structure disposed on the side of tie carrier board free of capacitors, wherein the built-up stricture is constituted of at least one dielectric layer, at least one circuit layer together with a plurality of conductive vias, and a plurality of conductive pads are disposed on the outer surface of the built-up structure, further the carrier board has a conductive through hole for electrically connecting the built-up structures on two sides of the carrier board.
9. The circuit board of claim 8 , further comprises another capacitor disposed between the built-up structure and the carrier board and electrically connected by parts of the conductive vias of the built-up structure.
10. The circuit board of claim 9 , further comprises a dielectric layer disposed between the capacitor and carrier board for providing a better bonding between the capacitor and the carrier board, and relieving the limitation of accommodating capacitors at the corresponding semiconductor chip area.
11. The circuit board of claim 1 , wherein the metal layer is aluminum and the two metallic oxide layers are oxidized aluminum.
12. A circuit board having electronic components integrated therein, comprising:
a carrier board which is formed by respectively forming a first metallic oxide layer and a second metallic oxide layer on two sides of a metal layer, and has at least one through cavity penetrating the carrier board;
at least one semiconductor chip, hold in the through cavity and having an active surface with a plurality of electrode thereon and an inactive surface; and
at least one capacitor, disposed on one side of the carrier board, wherein the surface is at the same side with the inactive surface of the semiconductor chip, and the capacitor is constituted of a first electrode plate disposed on a part of the surface of the carrier board, a high dielectric material layer disposed on the surface of the first electrode plate, and a second electrode plate, paralleling and corresponding to the first electrode plate, disposed on the surface of the high dielectric material layer.
13. The circuit board of claim 12 , further comprises an adhesive material filling the gap between the through cavity of the carrier board and the semiconductor chip, so as to fix the semiconductor chip in the through cavity.
14. The circuit board of claim 12 , further comprises a built-up structure disposed on the side of the carrier board free of capacitors, wherein the built-up structure is constituted of at least one dielectric layer, at least one circuit layer together with a plurality of conductive vias, and a plurality of conductive pads are disposed on the outer surface of the built-up structure.
15. The circuit board of claim 14 , wherein the dielectric layer fills the gap between the through cavity of the carrier board and the semiconductor chip, so as to fix the semiconductor chip in the through cavity.
16. The circuit board of claim 12 , further comprises a dielectric layer disposed between the capacitor and the carrier board for providing a better bonding between the capacitor and the carrier board, and relieving the limitation of accommodating capacitors at the corresponding semiconductor chip area.
17. The circuit board of claim 12 , further comprises another built-up structure disposed on the side of the carrier board having the capacitors, wherein the built-up structure is constituted of at least one dielectric layer, at least one circuit layer together with a plurality of conductive vias, and a plurality of conductive pads are disposed on the outer surface of the built-up structure, further the carrier board has a conductive through hole for electrically connecting the built-up structures on two sides of the carrier board.
18. The circuit board of claim 17 , wherein the conductive vias comprise first, and second conductive vias, electrically connecting to the first electrode plate and the second electrode plate respectively.
19. The circuit board of claim 12 , wherein the metal layer is aluminum and the two metallic oxide layers are oxidized aluminum.