Multilayer wiring board for an electronic device

1. An electronic assembly comprising:

a flexible insulating film having a first major surface and a first patterned metal wiring film extending parallel to the first major surface;

a semiconductor component positioned within the flexible insulating film and having a thickness of less than 50 micrometers;

a conductive interconnect extending through the flexible insulating film; a second patterned metal wiring film adjacent a first external surface of the electronic assembly; and

a third patterned metal wiring film adjacent a second external surface of the electronic assembly,

wherein the second patterned metal wiring film is electrically coupled with the third patterned metal wiring film through the conductive interconnect,

wherein the semiconductor component is coupled to the first patterned metal wiring film and at least one of the second patterned metal wiring film or the third patterned metal wiring film, and

wherein the assembly includes a flexible portion and a rigid portion, the flexible portion including at least a portion of the flexible insulating film extending beyond the rigid portion of the assembly, and

wherein the first patterned metal wiring film overlying the at least a portion of the flexible insulating film forms an external edge of the assembly and wherein the at least a portion of the first patterned metal wiring film extending beyond the rigid portion of the assembly is exposed.

2. The electronic assembly of claim 1 , wherein the conductive interconnect is an etched metal bump interconnect.

3. The electronic assembly of claim 1 , wherein the flexible portion includes at least a portion of the semiconductor component.

4. The electronic assembly of claim 1 , wherein the conductive interconnect and the first patterned metal wiring film are integrally formed.

5. The electronic assembly of claim 1 , further comprising a terminal disposed at the second external surface.

6. The electronic assembly of claim 1 , further comprising a conductive mass overlying at least a portion of the terminal.

7. The electronic assembly of claim 1 , further comprising a second flexible insulating film having a second major surface and a fourth patterned metal wiring film extending parallel to the second major surface.

8. The electronic assembly of claim 1 , wherein the fourth patterned metal wiring film is electrically coupled with one of the first and second patterned metal wiring films.

9. The electronic assembly of claim 1 , wherein the semiconductor component is positioned within the at least a portion of the flexible insulating film extending beyond the rigid portion of the assembly.

10. The electronic assembly of claim 1 , wherein the semiconductor component is positioned within the at least a portion of the flexible insulating film extending beyond the rigid portion of the assembly.

11. The electronic assembly of claim 1 , wherein the flexible insulating film has a free end, and the flexible portion of the assembly includes at least a portion of the free end of the flexible insulating film and the first patterned metal wiring film extending beyond the rigid portion of the assembly.

12. An electronic assembly comprising:

a first surface, an opposed second surface, and an edge surface extending at least partially between the first and second opposed surfaces;

a first patterned metal wiring film extending parallel to the first surface of the assembly;

a semiconductor component positioned within the flexible insulating film and having a thickness of less than 50 micrometers;

a flexible insulating film having a first major surface parallel to the first surface and a second patterned metal wiring film, at least a portion of the flexible insulting film extending in a direction away from the edge surface of the assembly, and

a plurality of conductive interconnects extending through the flexible insulating film,

wherein the second patterned metal wiring film is electrically coupled with the first patterned metal wiring film through at least one of the plurality of conductive interconnects; and

wherein the semiconductor component is coupled to the first patterned metal wiring film and the second patterned metal wiring film, and

wherein the assembly includes a flexible portion and a rigid portion, the flexible portion including at least a portion of the flexible insulating film extending beyond the rigid portion of the assembly, and

wherein the flexible insulating film has a free end, and the flexible portion of the assembly includes at least a portion of the free end of the flexible insulating film and the first patterned metal wiring film extending beyond the rigid portion of the assembly.

13. The electronic assembly of claim 12 , wherein at least another portion of the flexible insulating film is disposed between the first and second opposed surfaces.

14. The electronic assembly of claim 12 , further comprising a third patterned metal wiring film extending parallel to the second opposed surface.

15. The electronic assembly of claim 12 , further comprising a terminal disposed at the second opposed surface.

16. The electronic assembly of claim 15 , further comprising a conductive mass overlying at least a portion of the terminal.

17. The electronic assembly of claim 14 , further comprising a second flexible insulating film having a second major surface and a fourth patterned metal wiring film extending parallel to the opposed second surface.

18. The electronic assembly of claim 17 , wherein the third patterned metal wiring film is electrically coupled with at least one of the first and second patterned metal wiring films.

19. The electronic assembly of claim 12 , wherein the plurality of conductive interconnects are a plurality of etched metal bump interconnects.