Claims
- 1. A coated mold insert, comprising:
a mold insert; an electroless nickel layer formed over at least one surface of the mold insert; and a chromium nitride layer formed over the electroless nickel layer.
- 2. The coated mold insert of claim 1, wherein the mold insert is a removable mold insert.
- 3. The coated mold insert of claim 1, wherein the electroless nickel layer is formed on the mold insert.
- 4. The coated mold insert of claim 1, wherein the chromium nitride layer is formed on the electroless nickel layer.
- 5. The coated mold insert of claim 1, wherein the electroless nickel layer is formed on the mold insert, and the chromium nitride layer is formed on the electroless nickel layer.
- 6. The coated mold insert of claim 1, wherein the electroless nickel layer has a thickness of at least about 5 microns.
- 7. The coated mold insert of claim 6, wherein the electroless nickel layer has a thickness of at least about 15 microns.
- 8. The coated mold insert of claim 7, wherein the electroless nickel layer has a thickness of at least about 25 microns.
- 9. The coated mold insert of claim 8, wherein the electroless nickel layer has a thickness of about 35 microns.
- 10. The coated mold insert of claim 1, wherein the electroless nickel layer has a thickness of at most about 75 microns.
- 11. The coated mold insert of claim 10, wherein the electroless nickel layer has a thickness of at most about 50 microns.
- 12. The coated mold insert of claim 1, wherein the chromium nitride layer has a thickness of at least about 0.50 micron.
- 13. The coated mold insert of claim 12, wherein the chromium nitride layer has a thickness of at least about 0.75 micron.
- 14. The coated mold insert of claim 13, wherein the chromium nitride layer has a thickness of at least about 1 micron.
- 15. The coated mold insert of claim 1, wherein the mold insert is insertable into a mold used to form a magnetic member from mold material.
- 16. The coated mold insert of claim 1, wherein the mold insert comprises:
a first mold insert portion having a first surface; and a second mold insert portion having a first surface that faces the first surface of the first mold insert portion; wherein the electroless nickel layer is formed on or over the first surfaces of the first and second mold insert portions.
- 17. A mold body, comprising:
a first mold portion having a surface; a second mold portion disposed adjacent the first mold portion and having a surface opposite the surface of the first mold portion; an opening extending through the mold body and defined by a portion of the surface of the first mold portion and a portion of the second mold portion; and the coated mold insert of claim 1.
- 18. The mold body of claim 17, wherein the mold further comprises a mold support having a first mold support portion that supports the first mold portion and a second mold support portion that supports the second mold portion.
- 19. The coated mold insert of claim 1, wherein the mold insert is a Be—Cu mold insert.
CROSS REFERENCE TO RELATED APPLICATIONS
[0001] This is a divisional of U.S. application Ser. No. 09/794,131, filed Feb. 28, 2001 by the same inventors, and claims priority therefrom. This divisional application is being filed in response to a restriction requirement in that prior application.
Divisions (1)
|
Number |
Date |
Country |
Parent |
09794131 |
Feb 2001 |
US |
Child |
10815073 |
Mar 2004 |
US |