Neck for stringed musical instrument

1. A neck assembly for a stringed musical instrument, the neck assembly comprising a finger board having a certain length, an inner surface and an outer surface and a neck portion having a certain length, an inner surface and an outer surface, the neck assembly further comprising a elongated solid carbon fiber insert positioned between the finger board and the neck portion substantially along their lengths, wherein the solid carbon fiber insert is the only elongated insert between the finger board and the neck portion.

2. The neck assembly of claim 1 , wherein the solid carbon fiber insert is a rod comprising unidirectional carbon fibers.

3. The neck assembly of claim 2 , wherein the rod has a flexural modulus of about 17×10 6 psi or more.

4. The neck assembly of claim 2 , the rod having a ½ round cross-section.

5. The neck assembly of claim 2 , wherein the neck portion comprises a groove in the inner surface substantially along its length and wherein the solid carbon fiber insert fits within the groove.

6. The neck assembly of claim 2 , wherein at least a portion of the finger board is directly adhered to the neck portion.

7. The neck assembly of claim 2 , the rod being substantially enclosed within the finger board and the neck portion.

8. The neck assembly of claim 5 , wherein the finger board comprises a groove in the inner surface substantially along its length and wherein the solid carbon fiber insert fits within the groove.

9. The neck assembly of claim 5 , wherein the groove in the neck portion is rounded.

10. The neck assembly of claim 8 , wherein the groove in the finger board is a squared groove.

11. The neck assembly of claim 4 , wherein the rounded side of the solid carbon fiber insert faces the neck portion.